diff options
| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2013-06-28 15:26:06 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2013-06-28 15:26:06 +0700 |
| commit | 44288db4414158ac9b98a507b15e81d0d3c66ca6 (patch) | |
| tree | aa5ef88948ebb68ed6c8df81eb5da889641a9b50 /crypto/src/security | |
| parent | Set up text/binary handling for existing file types (diff) | |
| download | BouncyCastle.NET-ed25519-44288db4414158ac9b98a507b15e81d0d3c66ca6.tar.xz | |
Initial import of old CVS repository
Diffstat (limited to 'crypto/src/security')
26 files changed, 4474 insertions, 0 deletions
diff --git a/crypto/src/security/AgreementUtilities.cs b/crypto/src/security/AgreementUtilities.cs new file mode 100644 index 000000000..4c61ac354 --- /dev/null +++ b/crypto/src/security/AgreementUtilities.cs @@ -0,0 +1,105 @@ +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.X9; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Agreement; +using Org.BouncyCastle.Crypto.Agreement.Kdf; +using Org.BouncyCastle.Crypto.Digests; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + /// <remarks> + /// Utility class for creating IBasicAgreement objects from their names/Oids + /// </remarks> + public sealed class AgreementUtilities + { + private AgreementUtilities() + { + } + + private static readonly IDictionary algorithms = Platform.CreateHashtable(); + //private static readonly IDictionary oids = Platform.CreateHashtable(); + + static AgreementUtilities() + { + //algorithms[X9ObjectIdentifiers.DHSinglePassCofactorDHSha1KdfScheme.Id] = ?; + algorithms[X9ObjectIdentifiers.DHSinglePassStdDHSha1KdfScheme.Id] = "ECDHWITHSHA1KDF"; + algorithms[X9ObjectIdentifiers.MqvSinglePassSha1KdfScheme.Id] = "ECMQVWITHSHA1KDF"; + } + + public static IBasicAgreement GetBasicAgreement( + DerObjectIdentifier oid) + { + return GetBasicAgreement(oid.Id); + } + + public static IBasicAgreement GetBasicAgreement( + string algorithm) + { + string upper = Platform.ToUpperInvariant(algorithm); + string mechanism = (string) algorithms[upper]; + + if (mechanism == null) + { + mechanism = upper; + } + + if (mechanism == "DH" || mechanism == "DIFFIEHELLMAN") + return new DHBasicAgreement(); + + if (mechanism == "ECDH") + return new ECDHBasicAgreement(); + + if (mechanism == "ECDHC") + return new ECDHCBasicAgreement(); + + if (mechanism == "ECMQV") + return new ECMqvBasicAgreement(); + + throw new SecurityUtilityException("Basic Agreement " + algorithm + " not recognised."); + } + + public static IBasicAgreement GetBasicAgreementWithKdf( + DerObjectIdentifier oid, + string wrapAlgorithm) + { + return GetBasicAgreementWithKdf(oid.Id, wrapAlgorithm); + } + + public static IBasicAgreement GetBasicAgreementWithKdf( + string agreeAlgorithm, + string wrapAlgorithm) + { + string upper = Platform.ToUpperInvariant(agreeAlgorithm); + string mechanism = (string) algorithms[upper]; + + if (mechanism == null) + { + mechanism = upper; + } + + // 'DHWITHSHA1KDF' retained for backward compatibility + if (mechanism == "DHWITHSHA1KDF" || mechanism == "ECDHWITHSHA1KDF") + return new ECDHWithKdfBasicAgreement( + wrapAlgorithm, + new ECDHKekGenerator( + new Sha1Digest())); + + if (mechanism == "ECMQVWITHSHA1KDF") + return new ECMqvWithKdfBasicAgreement( + wrapAlgorithm, + new ECDHKekGenerator( + new Sha1Digest())); + + throw new SecurityUtilityException("Basic Agreement (with KDF) " + agreeAlgorithm + " not recognised."); + } + + public static string GetAlgorithmName( + DerObjectIdentifier oid) + { + return (string) algorithms[oid.Id]; + } + } +} diff --git a/crypto/src/security/CipherUtilities.cs b/crypto/src/security/CipherUtilities.cs new file mode 100644 index 000000000..cda769535 --- /dev/null +++ b/crypto/src/security/CipherUtilities.cs @@ -0,0 +1,739 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.CryptoPro; +using Org.BouncyCastle.Asn1.Kisa; +using Org.BouncyCastle.Asn1.Nist; +using Org.BouncyCastle.Asn1.Ntt; +using Org.BouncyCastle.Asn1.Oiw; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Agreement; +using Org.BouncyCastle.Crypto.Digests; +using Org.BouncyCastle.Crypto.Encodings; +using Org.BouncyCastle.Crypto.Engines; +using Org.BouncyCastle.Crypto.Generators; +using Org.BouncyCastle.Crypto.Macs; +using Org.BouncyCastle.Crypto.Modes; +using Org.BouncyCastle.Crypto.Paddings; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + /// <remarks> + /// Cipher Utility class contains methods that can not be specifically grouped into other classes. + /// </remarks> + public sealed class CipherUtilities + { + private enum CipherAlgorithm { + AES, + ARC4, + BLOWFISH, + CAMELLIA, + CAST5, + CAST6, + DES, + DESEDE, + ELGAMAL, + GOST28147, + HC128, + HC256, + IDEA, + NOEKEON, + PBEWITHSHAAND128BITRC4, + PBEWITHSHAAND40BITRC4, + RC2, + RC5, + RC5_64, + RC6, + RIJNDAEL, + RSA, + SALSA20, + SEED, + SERPENT, + SKIPJACK, + TEA, + TWOFISH, + VMPC, + VMPC_KSA3, + XTEA, + }; + + private enum CipherMode { ECB, NONE, CBC, CCM, CFB, CTR, CTS, EAX, GCM, GOFB, OCB, OFB, OPENPGPCFB, SIC }; + private enum CipherPadding + { + NOPADDING, + RAW, + ISO10126PADDING, + ISO10126D2PADDING, + ISO10126_2PADDING, + ISO7816_4PADDING, + ISO9797_1PADDING, + ISO9796_1, + ISO9796_1PADDING, + OAEP, + OAEPPADDING, + OAEPWITHMD5ANDMGF1PADDING, + OAEPWITHSHA1ANDMGF1PADDING, + OAEPWITHSHA_1ANDMGF1PADDING, + OAEPWITHSHA224ANDMGF1PADDING, + OAEPWITHSHA_224ANDMGF1PADDING, + OAEPWITHSHA256ANDMGF1PADDING, + OAEPWITHSHA_256ANDMGF1PADDING, + OAEPWITHSHA384ANDMGF1PADDING, + OAEPWITHSHA_384ANDMGF1PADDING, + OAEPWITHSHA512ANDMGF1PADDING, + OAEPWITHSHA_512ANDMGF1PADDING, + PKCS1, + PKCS1PADDING, + PKCS5, + PKCS5PADDING, + PKCS7, + PKCS7PADDING, + TBCPADDING, + WITHCTS, + X923PADDING, + ZEROBYTEPADDING, + }; + + private static readonly IDictionary algorithms = Platform.CreateHashtable(); + private static readonly IDictionary oids = Platform.CreateHashtable(); + + static CipherUtilities() + { + // Signal to obfuscation tools not to change enum constants + ((CipherAlgorithm)Enums.GetArbitraryValue(typeof(CipherAlgorithm))).ToString(); + ((CipherMode)Enums.GetArbitraryValue(typeof(CipherMode))).ToString(); + ((CipherPadding)Enums.GetArbitraryValue(typeof(CipherPadding))).ToString(); + + // TODO Flesh out the list of aliases + + algorithms[NistObjectIdentifiers.IdAes128Ecb.Id] = "AES/ECB/PKCS7PADDING"; + algorithms[NistObjectIdentifiers.IdAes192Ecb.Id] = "AES/ECB/PKCS7PADDING"; + algorithms[NistObjectIdentifiers.IdAes256Ecb.Id] = "AES/ECB/PKCS7PADDING"; + algorithms["AES//PKCS7"] = "AES/ECB/PKCS7PADDING"; + algorithms["AES//PKCS7PADDING"] = "AES/ECB/PKCS7PADDING"; + algorithms["AES//PKCS5"] = "AES/ECB/PKCS7PADDING"; + algorithms["AES//PKCS5PADDING"] = "AES/ECB/PKCS7PADDING"; + + algorithms[NistObjectIdentifiers.IdAes128Cbc.Id] = "AES/CBC/PKCS7PADDING"; + algorithms[NistObjectIdentifiers.IdAes192Cbc.Id] = "AES/CBC/PKCS7PADDING"; + algorithms[NistObjectIdentifiers.IdAes256Cbc.Id] = "AES/CBC/PKCS7PADDING"; + + algorithms[NistObjectIdentifiers.IdAes128Ofb.Id] = "AES/OFB/NOPADDING"; + algorithms[NistObjectIdentifiers.IdAes192Ofb.Id] = "AES/OFB/NOPADDING"; + algorithms[NistObjectIdentifiers.IdAes256Ofb.Id] = "AES/OFB/NOPADDING"; + + algorithms[NistObjectIdentifiers.IdAes128Cfb.Id] = "AES/CFB/NOPADDING"; + algorithms[NistObjectIdentifiers.IdAes192Cfb.Id] = "AES/CFB/NOPADDING"; + algorithms[NistObjectIdentifiers.IdAes256Cfb.Id] = "AES/CFB/NOPADDING"; + + algorithms["RSA/ECB/PKCS1"] = "RSA//PKCS1PADDING"; + algorithms["RSA/ECB/PKCS1PADDING"] = "RSA//PKCS1PADDING"; + algorithms[PkcsObjectIdentifiers.RsaEncryption.Id] = "RSA//PKCS1PADDING"; + algorithms[PkcsObjectIdentifiers.IdRsaesOaep.Id] = "RSA//OAEPPADDING"; + + algorithms[OiwObjectIdentifiers.DesCbc.Id] = "DES/CBC"; + algorithms[OiwObjectIdentifiers.DesCfb.Id] = "DES/CFB"; + algorithms[OiwObjectIdentifiers.DesEcb.Id] = "DES/ECB"; + algorithms[OiwObjectIdentifiers.DesOfb.Id] = "DES/OFB"; + algorithms[OiwObjectIdentifiers.DesEde.Id] = "DESEDE"; + algorithms["TDEA"] = "DESEDE"; + algorithms[PkcsObjectIdentifiers.DesEde3Cbc.Id] = "DESEDE/CBC"; + algorithms[PkcsObjectIdentifiers.RC2Cbc.Id] = "RC2/CBC"; + algorithms["1.3.6.1.4.1.188.7.1.1.2"] = "IDEA/CBC"; + algorithms["1.2.840.113533.7.66.10"] = "CAST5/CBC"; + + algorithms["RC4"] = "ARC4"; + algorithms["ARCFOUR"] = "ARC4"; + algorithms["1.2.840.113549.3.4"] = "ARC4"; + + + + algorithms["PBEWITHSHA1AND128BITRC4"] = "PBEWITHSHAAND128BITRC4"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd128BitRC4.Id] = "PBEWITHSHAAND128BITRC4"; + algorithms["PBEWITHSHA1AND40BITRC4"] = "PBEWITHSHAAND40BITRC4"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd40BitRC4.Id] = "PBEWITHSHAAND40BITRC4"; + + algorithms["PBEWITHSHA1ANDDES"] = "PBEWITHSHA1ANDDES-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithSha1AndDesCbc.Id] = "PBEWITHSHA1ANDDES-CBC"; + algorithms["PBEWITHSHA1ANDRC2"] = "PBEWITHSHA1ANDRC2-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithSha1AndRC2Cbc.Id] = "PBEWITHSHA1ANDRC2-CBC"; + + algorithms["PBEWITHSHA1AND3-KEYTRIPLEDES-CBC"] = "PBEWITHSHAAND3-KEYTRIPLEDES-CBC"; + algorithms["PBEWITHSHAAND3KEYTRIPLEDES"] = "PBEWITHSHAAND3-KEYTRIPLEDES-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd3KeyTripleDesCbc.Id] = "PBEWITHSHAAND3-KEYTRIPLEDES-CBC"; + algorithms["PBEWITHSHA1ANDDESEDE"] = "PBEWITHSHAAND3-KEYTRIPLEDES-CBC"; + + algorithms["PBEWITHSHA1AND2-KEYTRIPLEDES-CBC"] = "PBEWITHSHAAND2-KEYTRIPLEDES-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd2KeyTripleDesCbc.Id] = "PBEWITHSHAAND2-KEYTRIPLEDES-CBC"; + + algorithms["PBEWITHSHA1AND128BITRC2-CBC"] = "PBEWITHSHAAND128BITRC2-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd128BitRC2Cbc.Id] = "PBEWITHSHAAND128BITRC2-CBC"; + + algorithms["PBEWITHSHA1AND40BITRC2-CBC"] = "PBEWITHSHAAND40BITRC2-CBC"; + algorithms[PkcsObjectIdentifiers.PbewithShaAnd40BitRC2Cbc.Id] = "PBEWITHSHAAND40BITRC2-CBC"; + + algorithms["PBEWITHSHA1AND128BITAES-CBC-BC"] = "PBEWITHSHAAND128BITAES-CBC-BC"; + algorithms["PBEWITHSHA-1AND128BITAES-CBC-BC"] = "PBEWITHSHAAND128BITAES-CBC-BC"; + + algorithms["PBEWITHSHA1AND192BITAES-CBC-BC"] = "PBEWITHSHAAND192BITAES-CBC-BC"; + algorithms["PBEWITHSHA-1AND192BITAES-CBC-BC"] = "PBEWITHSHAAND192BITAES-CBC-BC"; + + algorithms["PBEWITHSHA1AND256BITAES-CBC-BC"] = "PBEWITHSHAAND256BITAES-CBC-BC"; + algorithms["PBEWITHSHA-1AND256BITAES-CBC-BC"] = "PBEWITHSHAAND256BITAES-CBC-BC"; + + algorithms["PBEWITHSHA-256AND128BITAES-CBC-BC"] = "PBEWITHSHA256AND128BITAES-CBC-BC"; + algorithms["PBEWITHSHA-256AND192BITAES-CBC-BC"] = "PBEWITHSHA256AND192BITAES-CBC-BC"; + algorithms["PBEWITHSHA-256AND256BITAES-CBC-BC"] = "PBEWITHSHA256AND256BITAES-CBC-BC"; + + + algorithms["GOST"] = "GOST28147"; + algorithms["GOST-28147"] = "GOST28147"; + algorithms[CryptoProObjectIdentifiers.GostR28147Cbc.Id] = "GOST28147/CBC/PKCS7PADDING"; + + algorithms["RC5-32"] = "RC5"; + + algorithms[NttObjectIdentifiers.IdCamellia128Cbc.Id] = "CAMELLIA/CBC/PKCS7PADDING"; + algorithms[NttObjectIdentifiers.IdCamellia192Cbc.Id] = "CAMELLIA/CBC/PKCS7PADDING"; + algorithms[NttObjectIdentifiers.IdCamellia256Cbc.Id] = "CAMELLIA/CBC/PKCS7PADDING"; + + algorithms[KisaObjectIdentifiers.IdSeedCbc.Id] = "SEED/CBC/PKCS7PADDING"; + + algorithms["1.3.6.1.4.1.3029.1.2"] = "BLOWFISH/CBC"; + } + + private CipherUtilities() + { + } + + /// <summary> + /// Returns a ObjectIdentifier for a give encoding. + /// </summary> + /// <param name="mechanism">A string representation of the encoding.</param> + /// <returns>A DerObjectIdentifier, null if the Oid is not available.</returns> + // TODO Don't really want to support this + public static DerObjectIdentifier GetObjectIdentifier( + string mechanism) + { + if (mechanism == null) + throw new ArgumentNullException("mechanism"); + + mechanism = Platform.ToUpperInvariant(mechanism); + string aliased = (string) algorithms[mechanism]; + + if (aliased != null) + mechanism = aliased; + + return (DerObjectIdentifier) oids[mechanism]; + } + + public static ICollection Algorithms + { + get { return oids.Keys; } + } + + public static IBufferedCipher GetCipher( + DerObjectIdentifier oid) + { + return GetCipher(oid.Id); + } + + public static IBufferedCipher GetCipher( + string algorithm) + { + if (algorithm == null) + throw new ArgumentNullException("algorithm"); + + algorithm = Platform.ToUpperInvariant(algorithm); + + { + string aliased = (string) algorithms[algorithm]; + + if (aliased != null) + algorithm = aliased; + } + + IBasicAgreement iesAgreement = null; + if (algorithm == "IES") + { + iesAgreement = new DHBasicAgreement(); + } + else if (algorithm == "ECIES") + { + iesAgreement = new ECDHBasicAgreement(); + } + + if (iesAgreement != null) + { + return new BufferedIesCipher( + new IesEngine( + iesAgreement, + new Kdf2BytesGenerator( + new Sha1Digest()), + new HMac( + new Sha1Digest()))); + } + + + + if (algorithm.StartsWith("PBE")) + { + if (algorithm.EndsWith("-CBC")) + { + if (algorithm == "PBEWITHSHA1ANDDES-CBC") + { + return new PaddedBufferedBlockCipher( + new CbcBlockCipher(new DesEngine())); + } + else if (algorithm == "PBEWITHSHA1ANDRC2-CBC") + { + return new PaddedBufferedBlockCipher( + new CbcBlockCipher(new RC2Engine())); + } + else if (Strings.IsOneOf(algorithm, + "PBEWITHSHAAND2-KEYTRIPLEDES-CBC", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC")) + { + return new PaddedBufferedBlockCipher( + new CbcBlockCipher(new DesEdeEngine())); + } + else if (Strings.IsOneOf(algorithm, + "PBEWITHSHAAND128BITRC2-CBC", "PBEWITHSHAAND40BITRC2-CBC")) + { + return new PaddedBufferedBlockCipher( + new CbcBlockCipher(new RC2Engine())); + } + } + else if (algorithm.EndsWith("-BC") || algorithm.EndsWith("-OPENSSL")) + { + if (Strings.IsOneOf(algorithm, + "PBEWITHSHAAND128BITAES-CBC-BC", + "PBEWITHSHAAND192BITAES-CBC-BC", + "PBEWITHSHAAND256BITAES-CBC-BC", + "PBEWITHSHA256AND128BITAES-CBC-BC", + "PBEWITHSHA256AND192BITAES-CBC-BC", + "PBEWITHSHA256AND256BITAES-CBC-BC", + "PBEWITHMD5AND128BITAES-CBC-OPENSSL", + "PBEWITHMD5AND192BITAES-CBC-OPENSSL", + "PBEWITHMD5AND256BITAES-CBC-OPENSSL")) + { + return new PaddedBufferedBlockCipher( + new CbcBlockCipher(new AesFastEngine())); + } + } + } + + + + string[] parts = algorithm.Split('/'); + + IBlockCipher blockCipher = null; + IAsymmetricBlockCipher asymBlockCipher = null; + IStreamCipher streamCipher = null; + + string algorithmName = parts[0]; + + { + string aliased = (string)algorithms[algorithmName]; + + if (aliased != null) + algorithmName = aliased; + } + + CipherAlgorithm cipherAlgorithm; + try + { + cipherAlgorithm = (CipherAlgorithm)Enums.GetEnumValue(typeof(CipherAlgorithm), algorithmName); + } + catch (ArgumentException) + { + throw new SecurityUtilityException("Cipher " + algorithm + " not recognised."); + } + + switch (cipherAlgorithm) + { + case CipherAlgorithm.AES: + blockCipher = new AesFastEngine(); + break; + case CipherAlgorithm.ARC4: + streamCipher = new RC4Engine(); + break; + case CipherAlgorithm.BLOWFISH: + blockCipher = new BlowfishEngine(); + break; + case CipherAlgorithm.CAMELLIA: + blockCipher = new CamelliaEngine(); + break; + case CipherAlgorithm.CAST5: + blockCipher = new Cast5Engine(); + break; + case CipherAlgorithm.CAST6: + blockCipher = new Cast6Engine(); + break; + case CipherAlgorithm.DES: + blockCipher = new DesEngine(); + break; + case CipherAlgorithm.DESEDE: + blockCipher = new DesEdeEngine(); + break; + case CipherAlgorithm.ELGAMAL: + asymBlockCipher = new ElGamalEngine(); + break; + case CipherAlgorithm.GOST28147: + blockCipher = new Gost28147Engine(); + break; + case CipherAlgorithm.HC128: + streamCipher = new HC128Engine(); + break; + case CipherAlgorithm.HC256: + streamCipher = new HC256Engine(); + break; +#if INCLUDE_IDEA + case CipherAlgorithm.IDEA: + blockCipher = new IdeaEngine(); + break; +#endif + case CipherAlgorithm.NOEKEON: + blockCipher = new NoekeonEngine(); + break; + case CipherAlgorithm.PBEWITHSHAAND128BITRC4: + case CipherAlgorithm.PBEWITHSHAAND40BITRC4: + streamCipher = new RC4Engine(); + break; + case CipherAlgorithm.RC2: + blockCipher = new RC2Engine(); + break; + case CipherAlgorithm.RC5: + blockCipher = new RC532Engine(); + break; + case CipherAlgorithm.RC5_64: + blockCipher = new RC564Engine(); + break; + case CipherAlgorithm.RC6: + blockCipher = new RC6Engine(); + break; + case CipherAlgorithm.RIJNDAEL: + blockCipher = new RijndaelEngine(); + break; + case CipherAlgorithm.RSA: + asymBlockCipher = new RsaBlindedEngine(); + break; + case CipherAlgorithm.SALSA20: + streamCipher = new Salsa20Engine(); + break; + case CipherAlgorithm.SEED: + blockCipher = new SeedEngine(); + break; + case CipherAlgorithm.SERPENT: + blockCipher = new SerpentEngine(); + break; + case CipherAlgorithm.SKIPJACK: + blockCipher = new SkipjackEngine(); + break; + case CipherAlgorithm.TEA: + blockCipher = new TeaEngine(); + break; + case CipherAlgorithm.TWOFISH: + blockCipher = new TwofishEngine(); + break; + case CipherAlgorithm.VMPC: + streamCipher = new VmpcEngine(); + break; + case CipherAlgorithm.VMPC_KSA3: + streamCipher = new VmpcKsa3Engine(); + break; + case CipherAlgorithm.XTEA: + blockCipher = new XteaEngine(); + break; + default: + throw new SecurityUtilityException("Cipher " + algorithm + " not recognised."); + } + + if (streamCipher != null) + { + if (parts.Length > 1) + throw new ArgumentException("Modes and paddings not used for stream ciphers"); + + return new BufferedStreamCipher(streamCipher); + } + + + bool cts = false; + bool padded = true; + IBlockCipherPadding padding = null; + IAeadBlockCipher aeadBlockCipher = null; + + if (parts.Length > 2) + { + if (streamCipher != null) + throw new ArgumentException("Paddings not used for stream ciphers"); + + string paddingName = parts[2]; + + CipherPadding cipherPadding; + if (paddingName == "") + { + cipherPadding = CipherPadding.RAW; + } + else if (paddingName == "X9.23PADDING") + { + cipherPadding = CipherPadding.X923PADDING; + } + else + { + try + { + cipherPadding = (CipherPadding)Enums.GetEnumValue(typeof(CipherPadding), paddingName); + } + catch (ArgumentException) + { + throw new SecurityUtilityException("Cipher " + algorithm + " not recognised."); + } + } + + switch (cipherPadding) + { + case CipherPadding.NOPADDING: + padded = false; + break; + case CipherPadding.RAW: + break; + case CipherPadding.ISO10126PADDING: + case CipherPadding.ISO10126D2PADDING: + case CipherPadding.ISO10126_2PADDING: + padding = new ISO10126d2Padding(); + break; + case CipherPadding.ISO7816_4PADDING: + case CipherPadding.ISO9797_1PADDING: + padding = new ISO7816d4Padding(); + break; + case CipherPadding.ISO9796_1: + case CipherPadding.ISO9796_1PADDING: + asymBlockCipher = new ISO9796d1Encoding(asymBlockCipher); + break; + case CipherPadding.OAEP: + case CipherPadding.OAEPPADDING: + asymBlockCipher = new OaepEncoding(asymBlockCipher); + break; + case CipherPadding.OAEPWITHMD5ANDMGF1PADDING: + asymBlockCipher = new OaepEncoding(asymBlockCipher, new MD5Digest()); + break; + case CipherPadding.OAEPWITHSHA1ANDMGF1PADDING: + case CipherPadding.OAEPWITHSHA_1ANDMGF1PADDING: + asymBlockCipher = new OaepEncoding(asymBlockCipher, new Sha1Digest()); + break; + case CipherPadding.OAEPWITHSHA224ANDMGF1PADDING: + case CipherPadding.OAEPWITHSHA_224ANDMGF1PADDING: + asymBlockCipher = new OaepEncoding(asymBlockCipher, new Sha224Digest()); + break; + case CipherPadding.OAEPWITHSHA256ANDMGF1PADDING: + case CipherPadding.OAEPWITHSHA_256ANDMGF1PADDING: + asymBlockCipher = new OaepEncoding(asymBlockCipher, new Sha256Digest()); + break; + case CipherPadding.OAEPWITHSHA384ANDMGF1PADDING: + case CipherPadding.OAEPWITHSHA_384ANDMGF1PADDING: + asymBlockCipher = new OaepEncoding(asymBlockCipher, new Sha384Digest()); + break; + case CipherPadding.OAEPWITHSHA512ANDMGF1PADDING: + case CipherPadding.OAEPWITHSHA_512ANDMGF1PADDING: + asymBlockCipher = new OaepEncoding(asymBlockCipher, new Sha512Digest()); + break; + case CipherPadding.PKCS1: + case CipherPadding.PKCS1PADDING: + asymBlockCipher = new Pkcs1Encoding(asymBlockCipher); + break; + case CipherPadding.PKCS5: + case CipherPadding.PKCS5PADDING: + case CipherPadding.PKCS7: + case CipherPadding.PKCS7PADDING: + padding = new Pkcs7Padding(); + break; + case CipherPadding.TBCPADDING: + padding = new TbcPadding(); + break; + case CipherPadding.WITHCTS: + cts = true; + break; + case CipherPadding.X923PADDING: + padding = new X923Padding(); + break; + case CipherPadding.ZEROBYTEPADDING: + padding = new ZeroBytePadding(); + break; + default: + throw new SecurityUtilityException("Cipher " + algorithm + " not recognised."); + } + } + + string mode = ""; + if (parts.Length > 1) + { + mode = parts[1]; + + int di = GetDigitIndex(mode); + string modeName = di >= 0 ? mode.Substring(0, di) : mode; + + try + { + CipherMode cipherMode = modeName == "" + ? CipherMode.NONE + : (CipherMode)Enums.GetEnumValue(typeof(CipherMode), modeName); + + switch (cipherMode) + { + case CipherMode.ECB: + case CipherMode.NONE: + break; + case CipherMode.CBC: + blockCipher = new CbcBlockCipher(blockCipher); + break; + case CipherMode.CCM: + aeadBlockCipher = new CcmBlockCipher(blockCipher); + break; + case CipherMode.CFB: + { + int bits = (di < 0) + ? 8 * blockCipher.GetBlockSize() + : int.Parse(mode.Substring(di)); + + blockCipher = new CfbBlockCipher(blockCipher, bits); + break; + } + case CipherMode.CTR: + blockCipher = new SicBlockCipher(blockCipher); + break; + case CipherMode.CTS: + cts = true; + blockCipher = new CbcBlockCipher(blockCipher); + break; + case CipherMode.EAX: + aeadBlockCipher = new EaxBlockCipher(blockCipher); + break; + case CipherMode.GCM: + aeadBlockCipher = new GcmBlockCipher(blockCipher); + break; + case CipherMode.GOFB: + blockCipher = new GOfbBlockCipher(blockCipher); + break; + case CipherMode.OCB: + aeadBlockCipher = new OcbBlockCipher(blockCipher, CreateBlockCipher(cipherAlgorithm)); + break; + case CipherMode.OFB: + { + int bits = (di < 0) + ? 8 * blockCipher.GetBlockSize() + : int.Parse(mode.Substring(di)); + + blockCipher = new OfbBlockCipher(blockCipher, bits); + break; + } + case CipherMode.OPENPGPCFB: + blockCipher = new OpenPgpCfbBlockCipher(blockCipher); + break; + case CipherMode.SIC: + if (blockCipher.GetBlockSize() < 16) + { + throw new ArgumentException("Warning: SIC-Mode can become a twotime-pad if the blocksize of the cipher is too small. Use a cipher with a block size of at least 128 bits (e.g. AES)"); + } + blockCipher = new SicBlockCipher(blockCipher); + break; + default: + throw new SecurityUtilityException("Cipher " + algorithm + " not recognised."); + } + } + catch (ArgumentException) + { + throw new SecurityUtilityException("Cipher " + algorithm + " not recognised."); + } + } + + if (aeadBlockCipher != null) + { + if (cts) + throw new SecurityUtilityException("CTS mode not valid for AEAD ciphers."); + if (padded && parts.Length > 2 && parts[2] != "") + throw new SecurityUtilityException("Bad padding specified for AEAD cipher."); + + return new BufferedAeadBlockCipher(aeadBlockCipher); + } + + if (blockCipher != null) + { + if (cts) + { + return new CtsBlockCipher(blockCipher); + } + + if (padding != null) + { + return new PaddedBufferedBlockCipher(blockCipher, padding); + } + + if (!padded || blockCipher.IsPartialBlockOkay) + { + return new BufferedBlockCipher(blockCipher); + } + + return new PaddedBufferedBlockCipher(blockCipher); + } + + if (asymBlockCipher != null) + { + return new BufferedAsymmetricBlockCipher(asymBlockCipher); + } + + throw new SecurityUtilityException("Cipher " + algorithm + " not recognised."); + } + + public static string GetAlgorithmName( + DerObjectIdentifier oid) + { + return (string) algorithms[oid.Id]; + } + + private static int GetDigitIndex( + string s) + { + for (int i = 0; i < s.Length; ++i) + { + if (char.IsDigit(s[i])) + return i; + } + + return -1; + } + + private static IBlockCipher CreateBlockCipher(CipherAlgorithm cipherAlgorithm) + { + switch (cipherAlgorithm) + { + case CipherAlgorithm.AES: return new AesFastEngine(); + case CipherAlgorithm.BLOWFISH: return new BlowfishEngine(); + case CipherAlgorithm.CAMELLIA: return new CamelliaEngine(); + case CipherAlgorithm.CAST5: return new Cast5Engine(); + case CipherAlgorithm.CAST6: return new Cast6Engine(); + case CipherAlgorithm.DES: return new DesEngine(); + case CipherAlgorithm.DESEDE: return new DesEdeEngine(); + case CipherAlgorithm.GOST28147: return new Gost28147Engine(); +#if INCLUDE_IDEA + case CipherAlgorithm.IDEA: return new IdeaEngine(); +#endif + case CipherAlgorithm.NOEKEON: return new NoekeonEngine(); + case CipherAlgorithm.RC2: return new RC2Engine(); + case CipherAlgorithm.RC5: return new RC532Engine(); + case CipherAlgorithm.RC5_64: return new RC564Engine(); + case CipherAlgorithm.RC6: return new RC6Engine(); + case CipherAlgorithm.RIJNDAEL: return new RijndaelEngine(); + case CipherAlgorithm.SEED: return new SeedEngine(); + case CipherAlgorithm.SERPENT: return new SerpentEngine(); + case CipherAlgorithm.SKIPJACK: return new SkipjackEngine(); + case CipherAlgorithm.TEA: return new TeaEngine(); + case CipherAlgorithm.TWOFISH: return new TwofishEngine(); + case CipherAlgorithm.XTEA: return new XteaEngine(); + default: + throw new SecurityUtilityException("Cipher " + cipherAlgorithm + " not recognised or not a block cipher"); + } + } + } +} diff --git a/crypto/src/security/DigestUtilities.cs b/crypto/src/security/DigestUtilities.cs new file mode 100644 index 000000000..ec3f63940 --- /dev/null +++ b/crypto/src/security/DigestUtilities.cs @@ -0,0 +1,202 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.CryptoPro; +using Org.BouncyCastle.Asn1.Nist; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Asn1.Oiw; +using Org.BouncyCastle.Asn1.TeleTrust; +using Org.BouncyCastle.Security; +using Org.BouncyCastle.Crypto.Digests; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + /// <remarks> + /// Utility class for creating IDigest objects from their names/Oids + /// </remarks> + public sealed class DigestUtilities + { + private enum DigestAlgorithm { + GOST3411, + MD2, MD4, MD5, + RIPEMD128, RIPEMD160, RIPEMD256, RIPEMD320, + SHA_1, SHA_224, SHA_256, SHA_384, SHA_512, + SHA_512_224, SHA_512_256, + SHA3_224, SHA3_256, SHA3_384, SHA3_512, + TIGER, + WHIRLPOOL, + }; + + private DigestUtilities() + { + } + + private static readonly IDictionary algorithms = Platform.CreateHashtable(); + private static readonly IDictionary oids = Platform.CreateHashtable(); + + static DigestUtilities() + { + // Signal to obfuscation tools not to change enum constants + ((DigestAlgorithm)Enums.GetArbitraryValue(typeof(DigestAlgorithm))).ToString(); + + algorithms[PkcsObjectIdentifiers.MD2.Id] = "MD2"; + algorithms[PkcsObjectIdentifiers.MD4.Id] = "MD4"; + algorithms[PkcsObjectIdentifiers.MD5.Id] = "MD5"; + + algorithms["SHA1"] = "SHA-1"; + algorithms[OiwObjectIdentifiers.IdSha1.Id] = "SHA-1"; + algorithms["SHA224"] = "SHA-224"; + algorithms[NistObjectIdentifiers.IdSha224.Id] = "SHA-224"; + algorithms["SHA256"] = "SHA-256"; + algorithms[NistObjectIdentifiers.IdSha256.Id] = "SHA-256"; + algorithms["SHA384"] = "SHA-384"; + algorithms[NistObjectIdentifiers.IdSha384.Id] = "SHA-384"; + algorithms["SHA512"] = "SHA-512"; + algorithms[NistObjectIdentifiers.IdSha512.Id] = "SHA-512"; + algorithms["SHA512/224"] = "SHA-512/224"; + algorithms[NistObjectIdentifiers.IdSha512_224.Id] = "SHA-512/224"; + algorithms["SHA512/256"] = "SHA-512/256"; + algorithms[NistObjectIdentifiers.IdSha512_256.Id] = "SHA-512/256"; + + algorithms["RIPEMD-128"] = "RIPEMD128"; + algorithms[TeleTrusTObjectIdentifiers.RipeMD128.Id] = "RIPEMD128"; + algorithms["RIPEMD-160"] = "RIPEMD160"; + algorithms[TeleTrusTObjectIdentifiers.RipeMD160.Id] = "RIPEMD160"; + algorithms["RIPEMD-256"] = "RIPEMD256"; + algorithms[TeleTrusTObjectIdentifiers.RipeMD256.Id] = "RIPEMD256"; + algorithms["RIPEMD-320"] = "RIPEMD320"; +// algorithms[TeleTrusTObjectIdentifiers.RipeMD320.Id] = "RIPEMD320"; + + algorithms[CryptoProObjectIdentifiers.GostR3411.Id] = "GOST3411"; + + + + oids["MD2"] = PkcsObjectIdentifiers.MD2; + oids["MD4"] = PkcsObjectIdentifiers.MD4; + oids["MD5"] = PkcsObjectIdentifiers.MD5; + oids["SHA-1"] = OiwObjectIdentifiers.IdSha1; + oids["SHA-224"] = NistObjectIdentifiers.IdSha224; + oids["SHA-256"] = NistObjectIdentifiers.IdSha256; + oids["SHA-384"] = NistObjectIdentifiers.IdSha384; + oids["SHA-512"] = NistObjectIdentifiers.IdSha512; + oids["SHA-512/224"] = NistObjectIdentifiers.IdSha512_224; + oids["SHA-512/256"] = NistObjectIdentifiers.IdSha512_256; + oids["RIPEMD128"] = TeleTrusTObjectIdentifiers.RipeMD128; + oids["RIPEMD160"] = TeleTrusTObjectIdentifiers.RipeMD160; + oids["RIPEMD256"] = TeleTrusTObjectIdentifiers.RipeMD256; + oids["GOST3411"] = CryptoProObjectIdentifiers.GostR3411; + } + + /// <summary> + /// Returns a ObjectIdentifier for a given digest mechanism. + /// </summary> + /// <param name="mechanism">A string representation of the digest meanism.</param> + /// <returns>A DerObjectIdentifier, null if the Oid is not available.</returns> + + public static DerObjectIdentifier GetObjectIdentifier( + string mechanism) + { + if (mechanism == null) + throw new System.ArgumentNullException("mechanism"); + + mechanism = Platform.ToUpperInvariant(mechanism); + string aliased = (string) algorithms[mechanism]; + + if (aliased != null) + mechanism = aliased; + + return (DerObjectIdentifier) oids[mechanism]; + } + + public static ICollection Algorithms + { + get { return oids.Keys; } + } + + public static IDigest GetDigest( + DerObjectIdentifier id) + { + return GetDigest(id.Id); + } + + public static IDigest GetDigest( + string algorithm) + { + string upper = Platform.ToUpperInvariant(algorithm); + string mechanism = (string) algorithms[upper]; + + if (mechanism == null) + { + mechanism = upper; + } + + try + { + DigestAlgorithm digestAlgorithm = (DigestAlgorithm)Enums.GetEnumValue( + typeof(DigestAlgorithm), mechanism); + + switch (digestAlgorithm) + { + case DigestAlgorithm.GOST3411: return new Gost3411Digest(); + case DigestAlgorithm.MD2: return new MD2Digest(); + case DigestAlgorithm.MD4: return new MD4Digest(); + case DigestAlgorithm.MD5: return new MD5Digest(); + case DigestAlgorithm.RIPEMD128: return new RipeMD128Digest(); + case DigestAlgorithm.RIPEMD160: return new RipeMD160Digest(); + case DigestAlgorithm.RIPEMD256: return new RipeMD256Digest(); + case DigestAlgorithm.RIPEMD320: return new RipeMD320Digest(); + case DigestAlgorithm.SHA_1: return new Sha1Digest(); + case DigestAlgorithm.SHA_224: return new Sha224Digest(); + case DigestAlgorithm.SHA_256: return new Sha256Digest(); + case DigestAlgorithm.SHA_384: return new Sha384Digest(); + case DigestAlgorithm.SHA_512: return new Sha512Digest(); + case DigestAlgorithm.SHA_512_224: return new Sha512tDigest(224); + case DigestAlgorithm.SHA_512_256: return new Sha512tDigest(256); + case DigestAlgorithm.SHA3_224: return new Sha3Digest(224); + case DigestAlgorithm.SHA3_256: return new Sha3Digest(256); + case DigestAlgorithm.SHA3_384: return new Sha3Digest(384); + case DigestAlgorithm.SHA3_512: return new Sha3Digest(512); + case DigestAlgorithm.TIGER: return new TigerDigest(); + case DigestAlgorithm.WHIRLPOOL: return new WhirlpoolDigest(); + } + } + catch (ArgumentException) + { + } + + throw new SecurityUtilityException("Digest " + mechanism + " not recognised."); + } + + public static string GetAlgorithmName( + DerObjectIdentifier oid) + { + return (string) algorithms[oid.Id]; + } + + public static byte[] CalculateDigest(string algorithm, byte[] input) + { + IDigest digest = GetDigest(algorithm); + digest.BlockUpdate(input, 0, input.Length); + return DoFinal(digest); + } + + public static byte[] DoFinal( + IDigest digest) + { + byte[] b = new byte[digest.GetDigestSize()]; + digest.DoFinal(b, 0); + return b; + } + + public static byte[] DoFinal( + IDigest digest, + byte[] input) + { + digest.BlockUpdate(input, 0, input.Length); + return DoFinal(digest); + } + } +} diff --git a/crypto/src/security/DotNetUtilities.cs b/crypto/src/security/DotNetUtilities.cs new file mode 100644 index 000000000..036c0d519 --- /dev/null +++ b/crypto/src/security/DotNetUtilities.cs @@ -0,0 +1,222 @@ +#if !(NETCF_1_0 || SILVERLIGHT) + +using System; +using System.Security.Cryptography; +using SystemX509 = System.Security.Cryptography.X509Certificates; + +using Org.BouncyCastle.Asn1.X509; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Parameters; +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Utilities; +using Org.BouncyCastle.X509; + +namespace Org.BouncyCastle.Security +{ + /// <summary> + /// A class containing methods to interface the BouncyCastle world to the .NET Crypto world. + /// </summary> + public sealed class DotNetUtilities + { + private DotNetUtilities() + { + } + + /// <summary> + /// Create an System.Security.Cryptography.X509Certificate from an X509Certificate Structure. + /// </summary> + /// <param name="x509Struct"></param> + /// <returns>A System.Security.Cryptography.X509Certificate.</returns> + public static SystemX509.X509Certificate ToX509Certificate( + X509CertificateStructure x509Struct) + { + return new SystemX509.X509Certificate(x509Struct.GetDerEncoded()); + } + + public static SystemX509.X509Certificate ToX509Certificate( + X509Certificate x509Cert) + { + return new SystemX509.X509Certificate(x509Cert.GetEncoded()); + } + + public static X509Certificate FromX509Certificate( + SystemX509.X509Certificate x509Cert) + { + return new X509CertificateParser().ReadCertificate(x509Cert.GetRawCertData()); + } + + public static AsymmetricCipherKeyPair GetDsaKeyPair( + DSA dsa) + { + return GetDsaKeyPair(dsa.ExportParameters(true)); + } + + public static AsymmetricCipherKeyPair GetDsaKeyPair( + DSAParameters dp) + { + DsaValidationParameters validationParameters = (dp.Seed != null) + ? new DsaValidationParameters(dp.Seed, dp.Counter) + : null; + + DsaParameters parameters = new DsaParameters( + new BigInteger(1, dp.P), + new BigInteger(1, dp.Q), + new BigInteger(1, dp.G), + validationParameters); + + DsaPublicKeyParameters pubKey = new DsaPublicKeyParameters( + new BigInteger(1, dp.Y), + parameters); + + DsaPrivateKeyParameters privKey = new DsaPrivateKeyParameters( + new BigInteger(1, dp.X), + parameters); + + return new AsymmetricCipherKeyPair(pubKey, privKey); + } + + public static DsaPublicKeyParameters GetDsaPublicKey( + DSA dsa) + { + return GetDsaPublicKey(dsa.ExportParameters(false)); + } + + public static DsaPublicKeyParameters GetDsaPublicKey( + DSAParameters dp) + { + DsaValidationParameters validationParameters = (dp.Seed != null) + ? new DsaValidationParameters(dp.Seed, dp.Counter) + : null; + + DsaParameters parameters = new DsaParameters( + new BigInteger(1, dp.P), + new BigInteger(1, dp.Q), + new BigInteger(1, dp.G), + validationParameters); + + return new DsaPublicKeyParameters( + new BigInteger(1, dp.Y), + parameters); + } + + public static AsymmetricCipherKeyPair GetRsaKeyPair( + RSA rsa) + { + return GetRsaKeyPair(rsa.ExportParameters(true)); + } + + public static AsymmetricCipherKeyPair GetRsaKeyPair( + RSAParameters rp) + { + BigInteger modulus = new BigInteger(1, rp.Modulus); + BigInteger pubExp = new BigInteger(1, rp.Exponent); + + RsaKeyParameters pubKey = new RsaKeyParameters( + false, + modulus, + pubExp); + + RsaPrivateCrtKeyParameters privKey = new RsaPrivateCrtKeyParameters( + modulus, + pubExp, + new BigInteger(1, rp.D), + new BigInteger(1, rp.P), + new BigInteger(1, rp.Q), + new BigInteger(1, rp.DP), + new BigInteger(1, rp.DQ), + new BigInteger(1, rp.InverseQ)); + + return new AsymmetricCipherKeyPair(pubKey, privKey); + } + + public static RsaKeyParameters GetRsaPublicKey( + RSA rsa) + { + return GetRsaPublicKey(rsa.ExportParameters(false)); + } + + public static RsaKeyParameters GetRsaPublicKey( + RSAParameters rp) + { + return new RsaKeyParameters( + false, + new BigInteger(1, rp.Modulus), + new BigInteger(1, rp.Exponent)); + } + + public static AsymmetricCipherKeyPair GetKeyPair(AsymmetricAlgorithm privateKey) + { + if (privateKey is DSA) + { + return GetDsaKeyPair((DSA)privateKey); + } + + if (privateKey is RSA) + { + return GetRsaKeyPair((RSA)privateKey); + } + + throw new ArgumentException("Unsupported algorithm specified", "privateKey"); + } + + public static RSA ToRSA(RsaKeyParameters rsaKey) + { + RSAParameters rp = ToRSAParameters(rsaKey); + RSACryptoServiceProvider rsaCsp = new RSACryptoServiceProvider(); + // TODO This call appears to not work for private keys (when no CRT info) + rsaCsp.ImportParameters(rp); + return rsaCsp; + } + + public static RSA ToRSA(RsaPrivateCrtKeyParameters privKey) + { + RSAParameters rp = ToRSAParameters(privKey); + RSACryptoServiceProvider rsaCsp = new RSACryptoServiceProvider(); + rsaCsp.ImportParameters(rp); + return rsaCsp; + } + + public static RSAParameters ToRSAParameters(RsaKeyParameters rsaKey) + { + RSAParameters rp = new RSAParameters(); + rp.Modulus = rsaKey.Modulus.ToByteArrayUnsigned(); + if (rsaKey.IsPrivate) + rp.D = ConvertRSAParametersField(rsaKey.Exponent, rp.Modulus.Length); + else + rp.Exponent = rsaKey.Exponent.ToByteArrayUnsigned(); + return rp; + } + + public static RSAParameters ToRSAParameters(RsaPrivateCrtKeyParameters privKey) + { + RSAParameters rp = new RSAParameters(); + rp.Modulus = privKey.Modulus.ToByteArrayUnsigned(); + rp.Exponent = privKey.PublicExponent.ToByteArrayUnsigned(); + rp.P = privKey.P.ToByteArrayUnsigned(); + rp.Q = privKey.Q.ToByteArrayUnsigned(); + rp.D = ConvertRSAParametersField(privKey.Exponent, rp.Modulus.Length); + rp.DP = ConvertRSAParametersField(privKey.DP, rp.P.Length); + rp.DQ = ConvertRSAParametersField(privKey.DQ, rp.Q.Length); + rp.InverseQ = ConvertRSAParametersField(privKey.QInv, rp.Q.Length); + return rp; + } + + // TODO Move functionality to more general class + private static byte[] ConvertRSAParametersField(BigInteger n, int size) + { + byte[] bs = n.ToByteArrayUnsigned(); + + if (bs.Length == size) + return bs; + + if (bs.Length > size) + throw new ArgumentException("Specified size too small", "size"); + + byte[] padded = new byte[size]; + Array.Copy(bs, 0, padded, size - bs.Length, bs.Length); + return padded; + } + } +} + +#endif diff --git a/crypto/src/security/GeneralSecurityException.cs b/crypto/src/security/GeneralSecurityException.cs new file mode 100644 index 000000000..2c3f2a555 --- /dev/null +++ b/crypto/src/security/GeneralSecurityException.cs @@ -0,0 +1,29 @@ +using System; + +namespace Org.BouncyCastle.Security +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class GeneralSecurityException + : Exception + { + public GeneralSecurityException() + : base() + { + } + + public GeneralSecurityException( + string message) + : base(message) + { + } + + public GeneralSecurityException( + string message, + Exception exception) + : base(message, exception) + { + } + } +} diff --git a/crypto/src/security/GeneratorUtilities.cs b/crypto/src/security/GeneratorUtilities.cs new file mode 100644 index 000000000..45fbc9425 --- /dev/null +++ b/crypto/src/security/GeneratorUtilities.cs @@ -0,0 +1,349 @@ +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.CryptoPro; +using Org.BouncyCastle.Asn1.Iana; +using Org.BouncyCastle.Asn1.Kisa; +using Org.BouncyCastle.Asn1.Nist; +using Org.BouncyCastle.Asn1.Ntt; +using Org.BouncyCastle.Asn1.Oiw; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Asn1.X9; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Generators; +using Org.BouncyCastle.Utilities; +using Org.BouncyCastle.Utilities.Collections; + +namespace Org.BouncyCastle.Security +{ + public sealed class GeneratorUtilities + { + private GeneratorUtilities() + { + } + + private static readonly IDictionary kgAlgorithms = Platform.CreateHashtable(); + private static readonly IDictionary kpgAlgorithms = Platform.CreateHashtable(); + private static readonly IDictionary defaultKeySizes = Platform.CreateHashtable(); + + static GeneratorUtilities() + { + // + // key generators. + // + AddKgAlgorithm("AES", + "AESWRAP"); + AddKgAlgorithm("AES128", + "2.16.840.1.101.3.4.2", + NistObjectIdentifiers.IdAes128Cbc, + NistObjectIdentifiers.IdAes128Cfb, + NistObjectIdentifiers.IdAes128Ecb, + NistObjectIdentifiers.IdAes128Ofb, + NistObjectIdentifiers.IdAes128Wrap); + AddKgAlgorithm("AES192", + "2.16.840.1.101.3.4.22", + NistObjectIdentifiers.IdAes192Cbc, + NistObjectIdentifiers.IdAes192Cfb, + NistObjectIdentifiers.IdAes192Ecb, + NistObjectIdentifiers.IdAes192Ofb, + NistObjectIdentifiers.IdAes192Wrap); + AddKgAlgorithm("AES256", + "2.16.840.1.101.3.4.42", + NistObjectIdentifiers.IdAes256Cbc, + NistObjectIdentifiers.IdAes256Cfb, + NistObjectIdentifiers.IdAes256Ecb, + NistObjectIdentifiers.IdAes256Ofb, + NistObjectIdentifiers.IdAes256Wrap); + AddKgAlgorithm("BLOWFISH", + "1.3.6.1.4.1.3029.1.2"); + AddKgAlgorithm("CAMELLIA", + "CAMELLIAWRAP"); + AddKgAlgorithm("CAMELLIA128", + NttObjectIdentifiers.IdCamellia128Cbc, + NttObjectIdentifiers.IdCamellia128Wrap); + AddKgAlgorithm("CAMELLIA192", + NttObjectIdentifiers.IdCamellia192Cbc, + NttObjectIdentifiers.IdCamellia192Wrap); + AddKgAlgorithm("CAMELLIA256", + NttObjectIdentifiers.IdCamellia256Cbc, + NttObjectIdentifiers.IdCamellia256Wrap); + AddKgAlgorithm("CAST5", + "1.2.840.113533.7.66.10"); + AddKgAlgorithm("CAST6"); + AddKgAlgorithm("DES", + OiwObjectIdentifiers.DesCbc, + OiwObjectIdentifiers.DesCfb, + OiwObjectIdentifiers.DesEcb, + OiwObjectIdentifiers.DesOfb); + AddKgAlgorithm("DESEDE", + "DESEDEWRAP", + "TDEA", + OiwObjectIdentifiers.DesEde); + AddKgAlgorithm("DESEDE3", + PkcsObjectIdentifiers.DesEde3Cbc, + PkcsObjectIdentifiers.IdAlgCms3DesWrap); + AddKgAlgorithm("GOST28147", + "GOST", + "GOST-28147", + CryptoProObjectIdentifiers.GostR28147Cbc); + AddKgAlgorithm("HC128"); + AddKgAlgorithm("HC256"); + AddKgAlgorithm("IDEA", + "1.3.6.1.4.1.188.7.1.1.2"); + AddKgAlgorithm("NOEKEON"); + AddKgAlgorithm("RC2", + PkcsObjectIdentifiers.RC2Cbc, + PkcsObjectIdentifiers.IdAlgCmsRC2Wrap); + AddKgAlgorithm("RC4", + "ARC4", + "1.2.840.113549.3.4"); + AddKgAlgorithm("RC5", + "RC5-32"); + AddKgAlgorithm("RC5-64"); + AddKgAlgorithm("RC6"); + AddKgAlgorithm("RIJNDAEL"); + AddKgAlgorithm("SALSA20"); + AddKgAlgorithm("SEED", + KisaObjectIdentifiers.IdNpkiAppCmsSeedWrap, + KisaObjectIdentifiers.IdSeedCbc); + AddKgAlgorithm("SERPENT"); + AddKgAlgorithm("SKIPJACK"); + AddKgAlgorithm("TEA"); + AddKgAlgorithm("TWOFISH"); + AddKgAlgorithm("VMPC"); + AddKgAlgorithm("VMPC-KSA3"); + AddKgAlgorithm("XTEA"); + + // + // HMac key generators + // + AddHMacKeyGenerator("MD2"); + AddHMacKeyGenerator("MD4"); + AddHMacKeyGenerator("MD5", + IanaObjectIdentifiers.HmacMD5); + AddHMacKeyGenerator("SHA1", + PkcsObjectIdentifiers.IdHmacWithSha1, + IanaObjectIdentifiers.HmacSha1); + AddHMacKeyGenerator("SHA224", + PkcsObjectIdentifiers.IdHmacWithSha224); + AddHMacKeyGenerator("SHA256", + PkcsObjectIdentifiers.IdHmacWithSha256); + AddHMacKeyGenerator("SHA384", + PkcsObjectIdentifiers.IdHmacWithSha384); + AddHMacKeyGenerator("SHA512", + PkcsObjectIdentifiers.IdHmacWithSha512); + AddHMacKeyGenerator("SHA512/224"); + AddHMacKeyGenerator("SHA512/256"); + AddHMacKeyGenerator("SHA3-224"); + AddHMacKeyGenerator("SHA3-256"); + AddHMacKeyGenerator("SHA3-384"); + AddHMacKeyGenerator("SHA3-512"); + AddHMacKeyGenerator("RIPEMD128"); + AddHMacKeyGenerator("RIPEMD160", + IanaObjectIdentifiers.HmacRipeMD160); + AddHMacKeyGenerator("TIGER", + IanaObjectIdentifiers.HmacTiger); + + + + // + // key pair generators. + // + AddKpgAlgorithm("DH", + "DIFFIEHELLMAN"); + AddKpgAlgorithm("DSA"); + AddKpgAlgorithm("EC", + // TODO Should this be an alias for ECDH? + X9ObjectIdentifiers.DHSinglePassStdDHSha1KdfScheme); + AddKpgAlgorithm("ECDH", + "ECIES"); + AddKpgAlgorithm("ECDHC"); + AddKpgAlgorithm("ECMQV", + X9ObjectIdentifiers.MqvSinglePassSha1KdfScheme); + AddKpgAlgorithm("ECDSA"); + AddKpgAlgorithm("ECGOST3410", + "ECGOST-3410", + "GOST-3410-2001"); + AddKpgAlgorithm("ELGAMAL"); + AddKpgAlgorithm("GOST3410", + "GOST-3410", + "GOST-3410-94"); + AddKpgAlgorithm("RSA", + "1.2.840.113549.1.1.1"); + + AddDefaultKeySizeEntries(64, "DES"); + AddDefaultKeySizeEntries(80, "SKIPJACK"); + AddDefaultKeySizeEntries(128, "AES128", "BLOWFISH", "CAMELLIA128", "CAST5", "DESEDE", + "HC128", "HMACMD2", "HMACMD4", "HMACMD5", "HMACRIPEMD128", "IDEA", "NOEKEON", + "RC2", "RC4", "RC5", "SALSA20", "SEED", "TEA", "XTEA", "VMPC", "VMPC-KSA3"); + AddDefaultKeySizeEntries(160, "HMACRIPEMD160", "HMACSHA1"); + AddDefaultKeySizeEntries(192, "AES", "AES192", "CAMELLIA192", "DESEDE3", "HMACTIGER", + "RIJNDAEL", "SERPENT"); + AddDefaultKeySizeEntries(224, "HMACSHA224"); + AddDefaultKeySizeEntries(256, "AES256", "CAMELLIA", "CAMELLIA256", "CAST6", "GOST28147", + "HC256", "HMACSHA256", "RC5-64", "RC6", "TWOFISH"); + AddDefaultKeySizeEntries(384, "HMACSHA384"); + AddDefaultKeySizeEntries(512, "HMACSHA512"); + AddDefaultKeySizeEntries(224, "HMACSHA512/224"); + AddDefaultKeySizeEntries(256, "HMACSHA512/256"); + } + + private static void AddDefaultKeySizeEntries(int size, params string[] algorithms) + { + foreach (string algorithm in algorithms) + { + defaultKeySizes.Add(algorithm, size); + } + } + + private static void AddKgAlgorithm( + string canonicalName, + params object[] aliases) + { + kgAlgorithms[canonicalName] = canonicalName; + + foreach (object alias in aliases) + { + kgAlgorithms[alias.ToString()] = canonicalName; + } + } + + private static void AddKpgAlgorithm( + string canonicalName, + params object[] aliases) + { + kpgAlgorithms[canonicalName] = canonicalName; + + foreach (object alias in aliases) + { + kpgAlgorithms[alias.ToString()] = canonicalName; + } + } + + private static void AddHMacKeyGenerator( + string algorithm, + params object[] aliases) + { + string mainName = "HMAC" + algorithm; + + kgAlgorithms[mainName] = mainName; + kgAlgorithms["HMAC-" + algorithm] = mainName; + kgAlgorithms["HMAC/" + algorithm] = mainName; + + foreach (object alias in aliases) + { + kgAlgorithms[alias.ToString()] = mainName; + } + } + + // TODO Consider making this public + internal static string GetCanonicalKeyGeneratorAlgorithm( + string algorithm) + { + return (string) kgAlgorithms[Platform.ToUpperInvariant(algorithm)]; + } + + // TODO Consider making this public + internal static string GetCanonicalKeyPairGeneratorAlgorithm( + string algorithm) + { + return (string)kpgAlgorithms[Platform.ToUpperInvariant(algorithm)]; + } + + public static CipherKeyGenerator GetKeyGenerator( + DerObjectIdentifier oid) + { + return GetKeyGenerator(oid.Id); + } + + public static CipherKeyGenerator GetKeyGenerator( + string algorithm) + { + string canonicalName = GetCanonicalKeyGeneratorAlgorithm(algorithm); + + if (canonicalName == null) + throw new SecurityUtilityException("KeyGenerator " + algorithm + " not recognised."); + + int defaultKeySize = FindDefaultKeySize(canonicalName); + if (defaultKeySize == -1) + throw new SecurityUtilityException("KeyGenerator " + algorithm + + " (" + canonicalName + ") not supported."); + + if (canonicalName == "DES") + return new DesKeyGenerator(defaultKeySize); + + if (canonicalName == "DESEDE" || canonicalName == "DESEDE3") + return new DesEdeKeyGenerator(defaultKeySize); + + return new CipherKeyGenerator(defaultKeySize); + } + + public static IAsymmetricCipherKeyPairGenerator GetKeyPairGenerator( + DerObjectIdentifier oid) + { + return GetKeyPairGenerator(oid.Id); + } + + public static IAsymmetricCipherKeyPairGenerator GetKeyPairGenerator( + string algorithm) + { + string canonicalName = GetCanonicalKeyPairGeneratorAlgorithm(algorithm); + + if (canonicalName == null) + throw new SecurityUtilityException("KeyPairGenerator " + algorithm + " not recognised."); + + if (canonicalName == "DH") + return new DHKeyPairGenerator(); + + if (canonicalName == "DSA") + return new DsaKeyPairGenerator(); + + // "EC", "ECDH", "ECDHC", "ECDSA", "ECGOST3410", "ECMQV" + if (canonicalName.StartsWith("EC")) + return new ECKeyPairGenerator(canonicalName); + + if (canonicalName == "ELGAMAL") + return new ElGamalKeyPairGenerator(); + + if (canonicalName == "GOST3410") + return new Gost3410KeyPairGenerator(); + + if (canonicalName == "RSA") + return new RsaKeyPairGenerator(); + + throw new SecurityUtilityException("KeyPairGenerator " + algorithm + + " (" + canonicalName + ") not supported."); + } + + internal static int GetDefaultKeySize( + DerObjectIdentifier oid) + { + return GetDefaultKeySize(oid.Id); + } + + internal static int GetDefaultKeySize( + string algorithm) + { + string canonicalName = GetCanonicalKeyGeneratorAlgorithm(algorithm); + + if (canonicalName == null) + throw new SecurityUtilityException("KeyGenerator " + algorithm + " not recognised."); + + int defaultKeySize = FindDefaultKeySize(canonicalName); + if (defaultKeySize == -1) + throw new SecurityUtilityException("KeyGenerator " + algorithm + + " (" + canonicalName + ") not supported."); + + return defaultKeySize; + } + + private static int FindDefaultKeySize( + string canonicalName) + { + if (!defaultKeySizes.Contains(canonicalName)) + return -1; + + return (int)defaultKeySizes[canonicalName]; + } + } +} diff --git a/crypto/src/security/InvalidKeyException.cs b/crypto/src/security/InvalidKeyException.cs new file mode 100644 index 000000000..4d4488ef2 --- /dev/null +++ b/crypto/src/security/InvalidKeyException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class InvalidKeyException : KeyException + { + public InvalidKeyException() : base() { } + public InvalidKeyException(string message) : base(message) { } + public InvalidKeyException(string message, Exception exception) : base(message, exception) { } + } +} diff --git a/crypto/src/security/InvalidParameterException.cs b/crypto/src/security/InvalidParameterException.cs new file mode 100644 index 000000000..57a912d03 --- /dev/null +++ b/crypto/src/security/InvalidParameterException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class InvalidParameterException : KeyException + { + public InvalidParameterException() : base() { } + public InvalidParameterException(string message) : base(message) { } + public InvalidParameterException(string message, Exception exception) : base(message, exception) { } + } +} diff --git a/crypto/src/security/KeyException.cs b/crypto/src/security/KeyException.cs new file mode 100644 index 000000000..9304c1c4d --- /dev/null +++ b/crypto/src/security/KeyException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class KeyException : GeneralSecurityException + { + public KeyException() : base() { } + public KeyException(string message) : base(message) { } + public KeyException(string message, Exception exception) : base(message, exception) { } + } +} diff --git a/crypto/src/security/MacUtilities.cs b/crypto/src/security/MacUtilities.cs new file mode 100644 index 000000000..49162fb57 --- /dev/null +++ b/crypto/src/security/MacUtilities.cs @@ -0,0 +1,243 @@ +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.Iana; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Engines; +using Org.BouncyCastle.Crypto.Macs; +using Org.BouncyCastle.Crypto.Paddings; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + /// <remarks> + /// Utility class for creating HMac object from their names/Oids + /// </remarks> + public sealed class MacUtilities + { + private MacUtilities() + { + } + + private static readonly IDictionary algorithms = Platform.CreateHashtable(); + //private static readonly IDictionary oids = Platform.CreateHashtable(); + + static MacUtilities() + { + algorithms[IanaObjectIdentifiers.HmacMD5.Id] = "HMAC-MD5"; + algorithms[IanaObjectIdentifiers.HmacRipeMD160.Id] = "HMAC-RIPEMD160"; + algorithms[IanaObjectIdentifiers.HmacSha1.Id] = "HMAC-SHA1"; + algorithms[IanaObjectIdentifiers.HmacTiger.Id] = "HMAC-TIGER"; + + algorithms[PkcsObjectIdentifiers.IdHmacWithSha1.Id] = "HMAC-SHA1"; + algorithms[PkcsObjectIdentifiers.IdHmacWithSha224.Id] = "HMAC-SHA224"; + algorithms[PkcsObjectIdentifiers.IdHmacWithSha256.Id] = "HMAC-SHA256"; + algorithms[PkcsObjectIdentifiers.IdHmacWithSha384.Id] = "HMAC-SHA384"; + algorithms[PkcsObjectIdentifiers.IdHmacWithSha512.Id] = "HMAC-SHA512"; + + // TODO AESMAC? + + algorithms["DES"] = "DESMAC"; + algorithms["DES/CFB8"] = "DESMAC/CFB8"; + algorithms["DES64"] = "DESMAC64"; + algorithms["DESEDE"] = "DESEDEMAC"; + algorithms[PkcsObjectIdentifiers.DesEde3Cbc.Id] = "DESEDEMAC"; + algorithms["DESEDE/CFB8"] = "DESEDEMAC/CFB8"; + algorithms["DESISO9797MAC"] = "DESWITHISO9797"; + algorithms["DESEDE64"] = "DESEDEMAC64"; + + algorithms["DESEDE64WITHISO7816-4PADDING"] = "DESEDEMAC64WITHISO7816-4PADDING"; + algorithms["DESEDEISO9797ALG1MACWITHISO7816-4PADDING"] = "DESEDEMAC64WITHISO7816-4PADDING"; + algorithms["DESEDEISO9797ALG1WITHISO7816-4PADDING"] = "DESEDEMAC64WITHISO7816-4PADDING"; + + algorithms["ISO9797ALG3"] = "ISO9797ALG3MAC"; + algorithms["ISO9797ALG3MACWITHISO7816-4PADDING"] = "ISO9797ALG3WITHISO7816-4PADDING"; + + algorithms["SKIPJACK"] = "SKIPJACKMAC"; + algorithms["SKIPJACK/CFB8"] = "SKIPJACKMAC/CFB8"; + algorithms["IDEA"] = "IDEAMAC"; + algorithms["IDEA/CFB8"] = "IDEAMAC/CFB8"; + algorithms["RC2"] = "RC2MAC"; + algorithms["RC2/CFB8"] = "RC2MAC/CFB8"; + algorithms["RC5"] = "RC5MAC"; + algorithms["RC5/CFB8"] = "RC5MAC/CFB8"; + algorithms["GOST28147"] = "GOST28147MAC"; + algorithms["VMPC"] = "VMPCMAC"; + algorithms["VMPC-MAC"] = "VMPCMAC"; + algorithms["SIPHASH"] = "SIPHASH-2-4"; + + algorithms["PBEWITHHMACSHA"] = "PBEWITHHMACSHA1"; + algorithms["1.3.14.3.2.26"] = "PBEWITHHMACSHA1"; + } + +// /// <summary> +// /// Returns a ObjectIdentifier for a given digest mechanism. +// /// </summary> +// /// <param name="mechanism">A string representation of the digest meanism.</param> +// /// <returns>A DerObjectIdentifier, null if the Oid is not available.</returns> +// public static DerObjectIdentifier GetObjectIdentifier( +// string mechanism) +// { +// mechanism = (string) algorithms[Platform.ToUpperInvariant(mechanism)]; +// +// if (mechanism != null) +// { +// return (DerObjectIdentifier)oids[mechanism]; +// } +// +// return null; +// } + +// public static ICollection Algorithms +// { +// get { return oids.Keys; } +// } + + public static IMac GetMac( + DerObjectIdentifier id) + { + return GetMac(id.Id); + } + + public static IMac GetMac( + string algorithm) + { + string upper = Platform.ToUpperInvariant(algorithm); + + string mechanism = (string) algorithms[upper]; + + if (mechanism == null) + { + mechanism = upper; + } + + if (mechanism.StartsWith("PBEWITH")) + { + mechanism = mechanism.Substring("PBEWITH".Length); + } + + if (mechanism.StartsWith("HMAC")) + { + string digestName; + if (mechanism.StartsWith("HMAC-") || mechanism.StartsWith("HMAC/")) + { + digestName = mechanism.Substring(5); + } + else + { + digestName = mechanism.Substring(4); + } + + return new HMac(DigestUtilities.GetDigest(digestName)); + } + + if (mechanism == "AESCMAC") + { + return new CMac(new AesFastEngine()); + } + if (mechanism == "DESMAC") + { + return new CbcBlockCipherMac(new DesEngine()); + } + if (mechanism == "DESMAC/CFB8") + { + return new CfbBlockCipherMac(new DesEngine()); + } + if (mechanism == "DESMAC64") + { + return new CbcBlockCipherMac(new DesEngine(), 64); + } + if (mechanism == "DESEDECMAC") + { + return new CMac(new DesEdeEngine()); + } + if (mechanism == "DESEDEMAC") + { + return new CbcBlockCipherMac(new DesEdeEngine()); + } + if (mechanism == "DESEDEMAC/CFB8") + { + return new CfbBlockCipherMac(new DesEdeEngine()); + } + if (mechanism == "DESEDEMAC64") + { + return new CbcBlockCipherMac(new DesEdeEngine(), 64); + } + if (mechanism == "DESEDEMAC64WITHISO7816-4PADDING") + { + return new CbcBlockCipherMac(new DesEdeEngine(), 64, new ISO7816d4Padding()); + } + if (mechanism == "DESWITHISO9797" + || mechanism == "ISO9797ALG3MAC") + { + return new ISO9797Alg3Mac(new DesEngine()); + } + if (mechanism == "ISO9797ALG3WITHISO7816-4PADDING") + { + return new ISO9797Alg3Mac(new DesEngine(), new ISO7816d4Padding()); + } + if (mechanism == "SKIPJACKMAC") + { + return new CbcBlockCipherMac(new SkipjackEngine()); + } + if (mechanism == "SKIPJACKMAC/CFB8") + { + return new CfbBlockCipherMac(new SkipjackEngine()); + } +#if INCLUDE_IDEA + if (mechanism == "IDEAMAC") + { + return new CbcBlockCipherMac(new IdeaEngine()); + } + if (mechanism == "IDEAMAC/CFB8") + { + return new CfbBlockCipherMac(new IdeaEngine()); + } +#endif + if (mechanism == "RC2MAC") + { + return new CbcBlockCipherMac(new RC2Engine()); + } + if (mechanism == "RC2MAC/CFB8") + { + return new CfbBlockCipherMac(new RC2Engine()); + } + if (mechanism == "RC5MAC") + { + return new CbcBlockCipherMac(new RC532Engine()); + } + if (mechanism == "RC5MAC/CFB8") + { + return new CfbBlockCipherMac(new RC532Engine()); + } + if (mechanism == "GOST28147MAC") + { + return new Gost28147Mac(); + } + if (mechanism == "VMPCMAC") + { + return new VmpcMac(); + } + if (mechanism == "SIPHASH-2-4") + { + return new SipHash(); + } + throw new SecurityUtilityException("Mac " + mechanism + " not recognised."); + } + + public static string GetAlgorithmName( + DerObjectIdentifier oid) + { + return (string) algorithms[oid.Id]; + } + + public static byte[] DoFinal( + IMac mac) + { + byte[] b = new byte[mac.GetMacSize()]; + mac.DoFinal(b, 0); + return b; + } + } +} diff --git a/crypto/src/security/NoSuchAlgorithmException.cs b/crypto/src/security/NoSuchAlgorithmException.cs new file mode 100644 index 000000000..d120c5f77 --- /dev/null +++ b/crypto/src/security/NoSuchAlgorithmException.cs @@ -0,0 +1,15 @@ +using System; + +namespace Org.BouncyCastle.Security +{ + [Obsolete("Never thrown")] +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class NoSuchAlgorithmException : GeneralSecurityException + { + public NoSuchAlgorithmException() : base() {} + public NoSuchAlgorithmException(string message) : base(message) {} + public NoSuchAlgorithmException(string message, Exception exception) : base(message, exception) {} + } +} diff --git a/crypto/src/security/ParameterUtilities.cs b/crypto/src/security/ParameterUtilities.cs new file mode 100644 index 000000000..bf448edff --- /dev/null +++ b/crypto/src/security/ParameterUtilities.cs @@ -0,0 +1,327 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.CryptoPro; +using Org.BouncyCastle.Asn1.Kisa; +using Org.BouncyCastle.Asn1.Misc; +using Org.BouncyCastle.Asn1.Nist; +using Org.BouncyCastle.Asn1.Ntt; +using Org.BouncyCastle.Asn1.Oiw; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Parameters; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + public sealed class ParameterUtilities + { + private ParameterUtilities() + { + } + + private static readonly IDictionary algorithms = Platform.CreateHashtable(); + private static readonly IDictionary basicIVSizes = Platform.CreateHashtable(); + + static ParameterUtilities() + { + AddAlgorithm("AES", + "AESWRAP"); + AddAlgorithm("AES128", + "2.16.840.1.101.3.4.2", + NistObjectIdentifiers.IdAes128Cbc, + NistObjectIdentifiers.IdAes128Cfb, + NistObjectIdentifiers.IdAes128Ecb, + NistObjectIdentifiers.IdAes128Ofb, + NistObjectIdentifiers.IdAes128Wrap); + AddAlgorithm("AES192", + "2.16.840.1.101.3.4.22", + NistObjectIdentifiers.IdAes192Cbc, + NistObjectIdentifiers.IdAes192Cfb, + NistObjectIdentifiers.IdAes192Ecb, + NistObjectIdentifiers.IdAes192Ofb, + NistObjectIdentifiers.IdAes192Wrap); + AddAlgorithm("AES256", + "2.16.840.1.101.3.4.42", + NistObjectIdentifiers.IdAes256Cbc, + NistObjectIdentifiers.IdAes256Cfb, + NistObjectIdentifiers.IdAes256Ecb, + NistObjectIdentifiers.IdAes256Ofb, + NistObjectIdentifiers.IdAes256Wrap); + AddAlgorithm("BLOWFISH", + "1.3.6.1.4.1.3029.1.2"); + AddAlgorithm("CAMELLIA", + "CAMELLIAWRAP"); + AddAlgorithm("CAMELLIA128", + NttObjectIdentifiers.IdCamellia128Cbc, + NttObjectIdentifiers.IdCamellia128Wrap); + AddAlgorithm("CAMELLIA192", + NttObjectIdentifiers.IdCamellia192Cbc, + NttObjectIdentifiers.IdCamellia192Wrap); + AddAlgorithm("CAMELLIA256", + NttObjectIdentifiers.IdCamellia256Cbc, + NttObjectIdentifiers.IdCamellia256Wrap); + AddAlgorithm("CAST5", + "1.2.840.113533.7.66.10"); + AddAlgorithm("CAST6"); + AddAlgorithm("DES", + OiwObjectIdentifiers.DesCbc, + OiwObjectIdentifiers.DesCfb, + OiwObjectIdentifiers.DesEcb, + OiwObjectIdentifiers.DesOfb); + AddAlgorithm("DESEDE", + "DESEDEWRAP", + "TDEA", + OiwObjectIdentifiers.DesEde, + PkcsObjectIdentifiers.IdAlgCms3DesWrap); + AddAlgorithm("DESEDE3", + PkcsObjectIdentifiers.DesEde3Cbc); + AddAlgorithm("GOST28147", + "GOST", + "GOST-28147", + CryptoProObjectIdentifiers.GostR28147Cbc); + AddAlgorithm("HC128"); + AddAlgorithm("HC256"); +#if INCLUDE_IDEA + AddAlgorithm("IDEA", + "1.3.6.1.4.1.188.7.1.1.2"); +#endif + AddAlgorithm("NOEKEON"); + AddAlgorithm("RC2", + PkcsObjectIdentifiers.RC2Cbc, + PkcsObjectIdentifiers.IdAlgCmsRC2Wrap); + AddAlgorithm("RC4", + "ARC4", + "1.2.840.113549.3.4"); + AddAlgorithm("RC5", + "RC5-32"); + AddAlgorithm("RC5-64"); + AddAlgorithm("RC6"); + AddAlgorithm("RIJNDAEL"); + AddAlgorithm("SALSA20"); + AddAlgorithm("SEED", + KisaObjectIdentifiers.IdNpkiAppCmsSeedWrap, + KisaObjectIdentifiers.IdSeedCbc); + AddAlgorithm("SERPENT"); + AddAlgorithm("SKIPJACK"); + AddAlgorithm("TEA"); + AddAlgorithm("TWOFISH"); + AddAlgorithm("VMPC"); + AddAlgorithm("VMPC-KSA3"); + AddAlgorithm("XTEA"); + + AddBasicIVSizeEntries(8, "BLOWFISH", "DES", "DESEDE", "DESEDE3"); + AddBasicIVSizeEntries(16, "AES", "AES128", "AES192", "AES256", + "CAMELLIA", "CAMELLIA128", "CAMELLIA192", "CAMELLIA256", "NOEKEON", "SEED"); + + // TODO These algorithms support an IV + // but JCE doesn't seem to provide an AlgorithmParametersGenerator for them + // "RIJNDAEL", "SKIPJACK", "TWOFISH" + } + + private static void AddAlgorithm( + string canonicalName, + params object[] aliases) + { + algorithms[canonicalName] = canonicalName; + + foreach (object alias in aliases) + { + algorithms[alias.ToString()] = canonicalName; + } + } + + private static void AddBasicIVSizeEntries(int size, params string[] algorithms) + { + foreach (string algorithm in algorithms) + { + basicIVSizes.Add(algorithm, size); + } + } + + public static string GetCanonicalAlgorithmName( + string algorithm) + { + return (string) algorithms[Platform.ToUpperInvariant(algorithm)]; + } + + public static KeyParameter CreateKeyParameter( + DerObjectIdentifier algOid, + byte[] keyBytes) + { + return CreateKeyParameter(algOid.Id, keyBytes, 0, keyBytes.Length); + } + + public static KeyParameter CreateKeyParameter( + string algorithm, + byte[] keyBytes) + { + return CreateKeyParameter(algorithm, keyBytes, 0, keyBytes.Length); + } + + public static KeyParameter CreateKeyParameter( + DerObjectIdentifier algOid, + byte[] keyBytes, + int offset, + int length) + { + return CreateKeyParameter(algOid.Id, keyBytes, offset, length); + } + + public static KeyParameter CreateKeyParameter( + string algorithm, + byte[] keyBytes, + int offset, + int length) + { + if (algorithm == null) + throw new ArgumentNullException("algorithm"); + + string canonical = GetCanonicalAlgorithmName(algorithm); + + if (canonical == null) + throw new SecurityUtilityException("Algorithm " + algorithm + " not recognised."); + + if (canonical == "DES") + return new DesParameters(keyBytes, offset, length); + + if (canonical == "DESEDE" || canonical =="DESEDE3") + return new DesEdeParameters(keyBytes, offset, length); + + if (canonical == "RC2") + return new RC2Parameters(keyBytes, offset, length); + + return new KeyParameter(keyBytes, offset, length); + } + + public static ICipherParameters GetCipherParameters( + DerObjectIdentifier algOid, + ICipherParameters key, + Asn1Object asn1Params) + { + return GetCipherParameters(algOid.Id, key, asn1Params); + } + + public static ICipherParameters GetCipherParameters( + string algorithm, + ICipherParameters key, + Asn1Object asn1Params) + { + if (algorithm == null) + throw new ArgumentNullException("algorithm"); + + string canonical = GetCanonicalAlgorithmName(algorithm); + + if (canonical == null) + throw new SecurityUtilityException("Algorithm " + algorithm + " not recognised."); + + byte[] iv = null; + + try + { + // TODO These algorithms support an IV + // but JCE doesn't seem to provide an AlgorithmParametersGenerator for them + // "RIJNDAEL", "SKIPJACK", "TWOFISH" + + int basicIVKeySize = FindBasicIVSize(canonical); + if (basicIVKeySize != -1 + || canonical == "RIJNDAEL" || canonical == "SKIPJACK" || canonical == "TWOFISH") + { + iv = ((Asn1OctetString) asn1Params).GetOctets(); + } + else if (canonical == "CAST5") + { + iv = Cast5CbcParameters.GetInstance(asn1Params).GetIV(); + } +#if INCLUDE_IDEA + else if (canonical == "IDEA") + { + iv = IdeaCbcPar.GetInstance(asn1Params).GetIV(); + } +#endif + else if (canonical == "RC2") + { + iv = RC2CbcParameter.GetInstance(asn1Params).GetIV(); + } + } + catch (Exception e) + { + throw new ArgumentException("Could not process ASN.1 parameters", e); + } + + if (iv != null) + { + return new ParametersWithIV(key, iv); + } + + throw new SecurityUtilityException("Algorithm " + algorithm + " not recognised."); + } + + public static Asn1Encodable GenerateParameters( + DerObjectIdentifier algID, + SecureRandom random) + { + return GenerateParameters(algID.Id, random); + } + + public static Asn1Encodable GenerateParameters( + string algorithm, + SecureRandom random) + { + if (algorithm == null) + throw new ArgumentNullException("algorithm"); + + string canonical = GetCanonicalAlgorithmName(algorithm); + + if (canonical == null) + throw new SecurityUtilityException("Algorithm " + algorithm + " not recognised."); + + // TODO These algorithms support an IV + // but JCE doesn't seem to provide an AlgorithmParametersGenerator for them + // "RIJNDAEL", "SKIPJACK", "TWOFISH" + + int basicIVKeySize = FindBasicIVSize(canonical); + if (basicIVKeySize != -1) + return CreateIVOctetString(random, basicIVKeySize); + + if (canonical == "CAST5") + return new Cast5CbcParameters(CreateIV(random, 8), 128); + +#if INCLUDE_IDEA + if (canonical == "IDEA") + return new IdeaCbcPar(CreateIV(random, 8)); +#endif + + if (canonical == "RC2") + return new RC2CbcParameter(CreateIV(random, 8)); + + throw new SecurityUtilityException("Algorithm " + algorithm + " not recognised."); + } + + private static Asn1OctetString CreateIVOctetString( + SecureRandom random, + int ivLength) + { + return new DerOctetString(CreateIV(random, ivLength)); + } + + private static byte[] CreateIV( + SecureRandom random, + int ivLength) + { + byte[] iv = new byte[ivLength]; + random.NextBytes(iv); + return iv; + } + + private static int FindBasicIVSize( + string canonicalName) + { + if (!basicIVSizes.Contains(canonicalName)) + return -1; + + return (int)basicIVSizes[canonicalName]; + } + } +} diff --git a/crypto/src/security/PbeUtilities.cs b/crypto/src/security/PbeUtilities.cs new file mode 100644 index 000000000..56d68ba0a --- /dev/null +++ b/crypto/src/security/PbeUtilities.cs @@ -0,0 +1,663 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.BC; +using Org.BouncyCastle.Asn1.Nist; +using Org.BouncyCastle.Asn1.Oiw; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Asn1.TeleTrust; +using Org.BouncyCastle.Asn1.X509; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Digests; +using Org.BouncyCastle.Crypto.Engines; +using Org.BouncyCastle.Crypto.Generators; +using Org.BouncyCastle.Crypto.Macs; +using Org.BouncyCastle.Crypto.Modes; +using Org.BouncyCastle.Crypto.Paddings; +using Org.BouncyCastle.Crypto.Parameters; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + /// <summary> + /// + /// </summary> + public sealed class PbeUtilities + { + private PbeUtilities() + { + } + + const string Pkcs5S1 = "Pkcs5S1"; + const string Pkcs5S2 = "Pkcs5S2"; + const string Pkcs12 = "Pkcs12"; + const string OpenSsl = "OpenSsl"; + + private static readonly IDictionary algorithms = Platform.CreateHashtable(); + private static readonly IDictionary algorithmType = Platform.CreateHashtable(); + private static readonly IDictionary oids = Platform.CreateHashtable(); + + static PbeUtilities() + { + algorithms["PKCS5SCHEME1"] = "Pkcs5scheme1"; + algorithms["PKCS5SCHEME2"] = "Pkcs5scheme2"; + algorithms[PkcsObjectIdentifiers.IdPbeS2.Id] = "Pkcs5scheme2"; +// algorithms[PkcsObjectIdentifiers.IdPbkdf2.Id] = "Pkcs5scheme2"; + + // FIXME Add support for these? (see Pkcs8Generator) +// algorithms[PkcsObjectIdentifiers.DesEde3Cbc.Id] = "Pkcs5scheme2"; +// algorithms[NistObjectIdentifiers.IdAes128Cbc.Id] = "Pkcs5scheme2"; +// algorithms[NistObjectIdentifiers.IdAes192Cbc.Id] = "Pkcs5scheme2"; +// algorithms[NistObjectIdentifiers.IdAes256Cbc.Id] = "Pkcs5scheme2"; + + algorithms["PBEWITHMD2ANDDES-CBC"] = "PBEwithMD2andDES-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithMD2AndDesCbc.Id] = "PBEwithMD2andDES-CBC"; + algorithms["PBEWITHMD2ANDRC2-CBC"] = "PBEwithMD2andRC2-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithMD2AndRC2Cbc.Id] = "PBEwithMD2andRC2-CBC"; + algorithms["PBEWITHMD5ANDDES-CBC"] = "PBEwithMD5andDES-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithMD5AndDesCbc.Id] = "PBEwithMD5andDES-CBC"; + algorithms["PBEWITHMD5ANDRC2-CBC"] = "PBEwithMD5andRC2-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithMD5AndRC2Cbc.Id] = "PBEwithMD5andRC2-CBC"; + algorithms["PBEWITHSHA1ANDDES"] = "PBEwithSHA-1andDES-CBC"; + algorithms["PBEWITHSHA-1ANDDES"] = "PBEwithSHA-1andDES-CBC"; + algorithms["PBEWITHSHA1ANDDES-CBC"] = "PBEwithSHA-1andDES-CBC"; + algorithms["PBEWITHSHA-1ANDDES-CBC"] = "PBEwithSHA-1andDES-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithSha1AndDesCbc.Id] = "PBEwithSHA-1andDES-CBC"; + algorithms["PBEWITHSHA1ANDRC2"] = "PBEwithSHA-1andRC2-CBC"; + algorithms["PBEWITHSHA-1ANDRC2"] = "PBEwithSHA-1andRC2-CBC"; + algorithms["PBEWITHSHA1ANDRC2-CBC"] = "PBEwithSHA-1andRC2-CBC"; + algorithms["PBEWITHSHA-1ANDRC2-CBC"] = "PBEwithSHA-1andRC2-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithSha1AndRC2Cbc.Id] = "PBEwithSHA-1andRC2-CBC"; + algorithms["PKCS12"] = "Pkcs12"; + algorithms[BCObjectIdentifiers.bc_pbe_sha1_pkcs12_aes128_cbc.Id] = "PBEwithSHA-1and128bitAES-CBC-BC"; + algorithms[BCObjectIdentifiers.bc_pbe_sha1_pkcs12_aes192_cbc.Id] = "PBEwithSHA-1and192bitAES-CBC-BC"; + algorithms[BCObjectIdentifiers.bc_pbe_sha1_pkcs12_aes256_cbc.Id] = "PBEwithSHA-1and256bitAES-CBC-BC"; + algorithms[BCObjectIdentifiers.bc_pbe_sha256_pkcs12_aes128_cbc.Id] = "PBEwithSHA-256and128bitAES-CBC-BC"; + algorithms[BCObjectIdentifiers.bc_pbe_sha256_pkcs12_aes192_cbc.Id] = "PBEwithSHA-256and192bitAES-CBC-BC"; + algorithms[BCObjectIdentifiers.bc_pbe_sha256_pkcs12_aes256_cbc.Id] = "PBEwithSHA-256and256bitAES-CBC-BC"; + algorithms["PBEWITHSHAAND128BITRC4"] = "PBEwithSHA-1and128bitRC4"; + algorithms["PBEWITHSHA1AND128BITRC4"] = "PBEwithSHA-1and128bitRC4"; + algorithms["PBEWITHSHA-1AND128BITRC4"] = "PBEwithSHA-1and128bitRC4"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd128BitRC4.Id] = "PBEwithSHA-1and128bitRC4"; + algorithms["PBEWITHSHAAND40BITRC4"] = "PBEwithSHA-1and40bitRC4"; + algorithms["PBEWITHSHA1AND40BITRC4"] = "PBEwithSHA-1and40bitRC4"; + algorithms["PBEWITHSHA-1AND40BITRC4"] = "PBEwithSHA-1and40bitRC4"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd40BitRC4.Id] = "PBEwithSHA-1and40bitRC4"; + algorithms["PBEWITHSHAAND3-KEYDESEDE-CBC"] = "PBEwithSHA-1and3-keyDESEDE-CBC"; + algorithms["PBEWITHSHAAND3-KEYTRIPLEDES-CBC"] = "PBEwithSHA-1and3-keyDESEDE-CBC"; + algorithms["PBEWITHSHA1AND3-KEYDESEDE-CBC"] = "PBEwithSHA-1and3-keyDESEDE-CBC"; + algorithms["PBEWITHSHA1AND3-KEYTRIPLEDES-CBC"] = "PBEwithSHA-1and3-keyDESEDE-CBC"; + algorithms["PBEWITHSHA-1AND3-KEYDESEDE-CBC"] = "PBEwithSHA-1and3-keyDESEDE-CBC"; + algorithms["PBEWITHSHA-1AND3-KEYTRIPLEDES-CBC"] = "PBEwithSHA-1and3-keyDESEDE-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd3KeyTripleDesCbc.Id] = "PBEwithSHA-1and3-keyDESEDE-CBC"; + algorithms["PBEWITHSHAAND2-KEYDESEDE-CBC"] = "PBEwithSHA-1and2-keyDESEDE-CBC"; + algorithms["PBEWITHSHAAND2-KEYTRIPLEDES-CBC"] = "PBEwithSHA-1and2-keyDESEDE-CBC"; + algorithms["PBEWITHSHA1AND2-KEYDESEDE-CBC"] = "PBEwithSHA-1and2-keyDESEDE-CBC"; + algorithms["PBEWITHSHA1AND2-KEYTRIPLEDES-CBC"] = "PBEwithSHA-1and2-keyDESEDE-CBC"; + algorithms["PBEWITHSHA-1AND2-KEYDESEDE-CBC"] = "PBEwithSHA-1and2-keyDESEDE-CBC"; + algorithms["PBEWITHSHA-1AND2-KEYTRIPLEDES-CBC"] = "PBEwithSHA-1and2-keyDESEDE-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd2KeyTripleDesCbc.Id] = "PBEwithSHA-1and2-keyDESEDE-CBC"; + algorithms["PBEWITHSHAAND128BITRC2-CBC"] = "PBEwithSHA-1and128bitRC2-CBC"; + algorithms["PBEWITHSHA1AND128BITRC2-CBC"] = "PBEwithSHA-1and128bitRC2-CBC"; + algorithms["PBEWITHSHA-1AND128BITRC2-CBC"] = "PBEwithSHA-1and128bitRC2-CBC"; + algorithms[PkcsObjectIdentifiers.PbeWithShaAnd128BitRC2Cbc.Id] = "PBEwithSHA-1and128bitRC2-CBC"; + algorithms["PBEWITHSHAAND40BITRC2-CBC"] = "PBEwithSHA-1and40bitRC2-CBC"; + algorithms["PBEWITHSHA1AND40BITRC2-CBC"] = "PBEwithSHA-1and40bitRC2-CBC"; + algorithms["PBEWITHSHA-1AND40BITRC2-CBC"] = "PBEwithSHA-1and40bitRC2-CBC"; + algorithms[PkcsObjectIdentifiers.PbewithShaAnd40BitRC2Cbc.Id] = "PBEwithSHA-1and40bitRC2-CBC"; + algorithms["PBEWITHSHAAND128BITAES-CBC-BC"] = "PBEwithSHA-1and128bitAES-CBC-BC"; + algorithms["PBEWITHSHA1AND128BITAES-CBC-BC"] = "PBEwithSHA-1and128bitAES-CBC-BC"; + algorithms["PBEWITHSHA-1AND128BITAES-CBC-BC"] = "PBEwithSHA-1and128bitAES-CBC-BC"; + algorithms["PBEWITHSHAAND192BITAES-CBC-BC"] = "PBEwithSHA-1and192bitAES-CBC-BC"; + algorithms["PBEWITHSHA1AND192BITAES-CBC-BC"] = "PBEwithSHA-1and192bitAES-CBC-BC"; + algorithms["PBEWITHSHA-1AND192BITAES-CBC-BC"] = "PBEwithSHA-1and192bitAES-CBC-BC"; + algorithms["PBEWITHSHAAND256BITAES-CBC-BC"] = "PBEwithSHA-1and256bitAES-CBC-BC"; + algorithms["PBEWITHSHA1AND256BITAES-CBC-BC"] = "PBEwithSHA-1and256bitAES-CBC-BC"; + algorithms["PBEWITHSHA-1AND256BITAES-CBC-BC"] = "PBEwithSHA-1and256bitAES-CBC-BC"; + algorithms["PBEWITHSHA256AND128BITAES-CBC-BC"] = "PBEwithSHA-256and128bitAES-CBC-BC"; + algorithms["PBEWITHSHA-256AND128BITAES-CBC-BC"] = "PBEwithSHA-256and128bitAES-CBC-BC"; + algorithms["PBEWITHSHA256AND192BITAES-CBC-BC"] = "PBEwithSHA-256and192bitAES-CBC-BC"; + algorithms["PBEWITHSHA-256AND192BITAES-CBC-BC"] = "PBEwithSHA-256and192bitAES-CBC-BC"; + algorithms["PBEWITHSHA256AND256BITAES-CBC-BC"] = "PBEwithSHA-256and256bitAES-CBC-BC"; + algorithms["PBEWITHSHA-256AND256BITAES-CBC-BC"] = "PBEwithSHA-256and256bitAES-CBC-BC"; + algorithms["PBEWITHSHAANDIDEA"] = "PBEwithSHA-1andIDEA-CBC"; + algorithms["PBEWITHSHAANDIDEA-CBC"] = "PBEwithSHA-1andIDEA-CBC"; + algorithms["PBEWITHSHAANDTWOFISH"] = "PBEwithSHA-1andTWOFISH-CBC"; + algorithms["PBEWITHSHAANDTWOFISH-CBC"] = "PBEwithSHA-1andTWOFISH-CBC"; + algorithms["PBEWITHHMACSHA1"] = "PBEwithHmacSHA-1"; + algorithms["PBEWITHHMACSHA-1"] = "PBEwithHmacSHA-1"; + algorithms[OiwObjectIdentifiers.IdSha1.Id] = "PBEwithHmacSHA-1"; + algorithms["PBEWITHHMACSHA224"] = "PBEwithHmacSHA-224"; + algorithms["PBEWITHHMACSHA-224"] = "PBEwithHmacSHA-224"; + algorithms[NistObjectIdentifiers.IdSha224.Id] = "PBEwithHmacSHA-224"; + algorithms["PBEWITHHMACSHA256"] = "PBEwithHmacSHA-256"; + algorithms["PBEWITHHMACSHA-256"] = "PBEwithHmacSHA-256"; + algorithms[NistObjectIdentifiers.IdSha256.Id] = "PBEwithHmacSHA-256"; + algorithms["PBEWITHHMACRIPEMD128"] = "PBEwithHmacRipeMD128"; + algorithms[TeleTrusTObjectIdentifiers.RipeMD128.Id] = "PBEwithHmacRipeMD128"; + algorithms["PBEWITHHMACRIPEMD160"] = "PBEwithHmacRipeMD160"; + algorithms[TeleTrusTObjectIdentifiers.RipeMD160.Id] = "PBEwithHmacRipeMD160"; + algorithms["PBEWITHHMACRIPEMD256"] = "PBEwithHmacRipeMD256"; + algorithms[TeleTrusTObjectIdentifiers.RipeMD256.Id] = "PBEwithHmacRipeMD256"; + algorithms["PBEWITHHMACTIGER"] = "PBEwithHmacTiger"; + + algorithms["PBEWITHMD5AND128BITAES-CBC-OPENSSL"] = "PBEwithMD5and128bitAES-CBC-OpenSSL"; + algorithms["PBEWITHMD5AND192BITAES-CBC-OPENSSL"] = "PBEwithMD5and192bitAES-CBC-OpenSSL"; + algorithms["PBEWITHMD5AND256BITAES-CBC-OPENSSL"] = "PBEwithMD5and256bitAES-CBC-OpenSSL"; + + algorithmType["Pkcs5scheme1"] = Pkcs5S1; + algorithmType["Pkcs5scheme2"] = Pkcs5S2; + algorithmType["PBEwithMD2andDES-CBC"] = Pkcs5S1; + algorithmType["PBEwithMD2andRC2-CBC"] = Pkcs5S1; + algorithmType["PBEwithMD5andDES-CBC"] = Pkcs5S1; + algorithmType["PBEwithMD5andRC2-CBC"] = Pkcs5S1; + algorithmType["PBEwithSHA-1andDES-CBC"] = Pkcs5S1; + algorithmType["PBEwithSHA-1andRC2-CBC"] = Pkcs5S1; + algorithmType["Pkcs12"] = Pkcs12; + algorithmType["PBEwithSHA-1and128bitRC4"] = Pkcs12; + algorithmType["PBEwithSHA-1and40bitRC4"] = Pkcs12; + algorithmType["PBEwithSHA-1and3-keyDESEDE-CBC"] = Pkcs12; + algorithmType["PBEwithSHA-1and2-keyDESEDE-CBC"] = Pkcs12; + algorithmType["PBEwithSHA-1and128bitRC2-CBC"] = Pkcs12; + algorithmType["PBEwithSHA-1and40bitRC2-CBC"] = Pkcs12; + algorithmType["PBEwithSHA-1and128bitAES-CBC-BC"] = Pkcs12; + algorithmType["PBEwithSHA-1and192bitAES-CBC-BC"] = Pkcs12; + algorithmType["PBEwithSHA-1and256bitAES-CBC-BC"] = Pkcs12; + algorithmType["PBEwithSHA-256and128bitAES-CBC-BC"] = Pkcs12; + algorithmType["PBEwithSHA-256and192bitAES-CBC-BC"] = Pkcs12; + algorithmType["PBEwithSHA-256and256bitAES-CBC-BC"] = Pkcs12; + algorithmType["PBEwithSHA-1andIDEA-CBC"] = Pkcs12; + algorithmType["PBEwithSHA-1andTWOFISH-CBC"] = Pkcs12; + algorithmType["PBEwithHmacSHA-1"] = Pkcs12; + algorithmType["PBEwithHmacSHA-224"] = Pkcs12; + algorithmType["PBEwithHmacSHA-256"] = Pkcs12; + algorithmType["PBEwithHmacRipeMD128"] = Pkcs12; + algorithmType["PBEwithHmacRipeMD160"] = Pkcs12; + algorithmType["PBEwithHmacRipeMD256"] = Pkcs12; + algorithmType["PBEwithHmacTiger"] = Pkcs12; + + algorithmType["PBEwithMD5and128bitAES-CBC-OpenSSL"] = OpenSsl; + algorithmType["PBEwithMD5and192bitAES-CBC-OpenSSL"] = OpenSsl; + algorithmType["PBEwithMD5and256bitAES-CBC-OpenSSL"] = OpenSsl; + + oids["PBEwithMD2andDES-CBC"] = PkcsObjectIdentifiers.PbeWithMD2AndDesCbc; + oids["PBEwithMD2andRC2-CBC"] = PkcsObjectIdentifiers.PbeWithMD2AndRC2Cbc; + oids["PBEwithMD5andDES-CBC"] = PkcsObjectIdentifiers.PbeWithMD5AndDesCbc; + oids["PBEwithMD5andRC2-CBC"] = PkcsObjectIdentifiers.PbeWithMD5AndRC2Cbc; + oids["PBEwithSHA-1andDES-CBC"] = PkcsObjectIdentifiers.PbeWithSha1AndDesCbc; + oids["PBEwithSHA-1andRC2-CBC"] = PkcsObjectIdentifiers.PbeWithSha1AndRC2Cbc; + oids["PBEwithSHA-1and128bitRC4"] = PkcsObjectIdentifiers.PbeWithShaAnd128BitRC4; + oids["PBEwithSHA-1and40bitRC4"] = PkcsObjectIdentifiers.PbeWithShaAnd40BitRC4; + oids["PBEwithSHA-1and3-keyDESEDE-CBC"] = PkcsObjectIdentifiers.PbeWithShaAnd3KeyTripleDesCbc; + oids["PBEwithSHA-1and2-keyDESEDE-CBC"] = PkcsObjectIdentifiers.PbeWithShaAnd2KeyTripleDesCbc; + oids["PBEwithSHA-1and128bitRC2-CBC"] = PkcsObjectIdentifiers.PbeWithShaAnd128BitRC2Cbc; + oids["PBEwithSHA-1and40bitRC2-CBC"] = PkcsObjectIdentifiers.PbewithShaAnd40BitRC2Cbc; + oids["PBEwithHmacSHA-1"] = OiwObjectIdentifiers.IdSha1; + oids["PBEwithHmacSHA-224"] = NistObjectIdentifiers.IdSha224; + oids["PBEwithHmacSHA-256"] = NistObjectIdentifiers.IdSha256; + oids["PBEwithHmacRipeMD128"] = TeleTrusTObjectIdentifiers.RipeMD128; + oids["PBEwithHmacRipeMD160"] = TeleTrusTObjectIdentifiers.RipeMD160; + oids["PBEwithHmacRipeMD256"] = TeleTrusTObjectIdentifiers.RipeMD256; + oids["Pkcs5scheme2"] = PkcsObjectIdentifiers.IdPbeS2; + } + + static PbeParametersGenerator MakePbeGenerator( + string type, + IDigest digest, + byte[] key, + byte[] salt, + int iterationCount) + { + PbeParametersGenerator generator; + + if (type.Equals(Pkcs5S1)) + { + generator = new Pkcs5S1ParametersGenerator(digest); + } + else if (type.Equals(Pkcs5S2)) + { + generator = new Pkcs5S2ParametersGenerator(); + } + else if (type.Equals(Pkcs12)) + { + generator = new Pkcs12ParametersGenerator(digest); + } + else if (type.Equals(OpenSsl)) + { + generator = new OpenSslPbeParametersGenerator(); + } + else + { + throw new ArgumentException("Unknown PBE type: " + type, "type"); + } + + generator.Init(key, salt, iterationCount); + return generator; + } + + /// <summary> + /// Returns a ObjectIdentifier for a give encoding. + /// </summary> + /// <param name="mechanism">A string representation of the encoding.</param> + /// <returns>A DerObjectIdentifier, null if the Oid is not available.</returns> + public static DerObjectIdentifier GetObjectIdentifier( + string mechanism) + { + mechanism = (string) algorithms[Platform.ToUpperInvariant(mechanism)]; + if (mechanism != null) + { + return (DerObjectIdentifier)oids[mechanism]; + } + return null; + } + + public static ICollection Algorithms + { + get { return oids.Keys; } + } + + public static bool IsPkcs12( + string algorithm) + { + string mechanism = (string)algorithms[Platform.ToUpperInvariant(algorithm)]; + + return mechanism != null && Pkcs12.Equals(algorithmType[mechanism]); + } + + public static bool IsPkcs5Scheme1( + string algorithm) + { + string mechanism = (string)algorithms[Platform.ToUpperInvariant(algorithm)]; + + return mechanism != null && Pkcs5S1.Equals(algorithmType[mechanism]); + } + + public static bool IsPkcs5Scheme2( + string algorithm) + { + string mechanism = (string)algorithms[Platform.ToUpperInvariant(algorithm)]; + + return mechanism != null && Pkcs5S2.Equals(algorithmType[mechanism]); + } + + public static bool IsOpenSsl( + string algorithm) + { + string mechanism = (string)algorithms[Platform.ToUpperInvariant(algorithm)]; + + return mechanism != null && OpenSsl.Equals(algorithmType[mechanism]); + } + + public static bool IsPbeAlgorithm( + string algorithm) + { + string mechanism = (string)algorithms[Platform.ToUpperInvariant(algorithm)]; + + return mechanism != null && algorithmType[mechanism] != null; + } + + public static Asn1Encodable GenerateAlgorithmParameters( + DerObjectIdentifier algorithmOid, + byte[] salt, + int iterationCount) + { + return GenerateAlgorithmParameters(algorithmOid.Id, salt, iterationCount); + } + + public static Asn1Encodable GenerateAlgorithmParameters( + string algorithm, + byte[] salt, + int iterationCount) + { + if (IsPkcs12(algorithm)) + { + return new Pkcs12PbeParams(salt, iterationCount); + } + else if (IsPkcs5Scheme2(algorithm)) + { + return new Pbkdf2Params(salt, iterationCount); + } + else + { + return new PbeParameter(salt, iterationCount); + } + } + + public static ICipherParameters GenerateCipherParameters( + DerObjectIdentifier algorithmOid, + char[] password, + Asn1Encodable pbeParameters) + { + return GenerateCipherParameters(algorithmOid.Id, password, false, pbeParameters); + } + + public static ICipherParameters GenerateCipherParameters( + DerObjectIdentifier algorithmOid, + char[] password, + bool wrongPkcs12Zero, + Asn1Encodable pbeParameters) + { + return GenerateCipherParameters(algorithmOid.Id, password, wrongPkcs12Zero, pbeParameters); + } + + public static ICipherParameters GenerateCipherParameters( + AlgorithmIdentifier algID, + char[] password) + { + return GenerateCipherParameters(algID.ObjectID.Id, password, false, algID.Parameters); + } + + public static ICipherParameters GenerateCipherParameters( + AlgorithmIdentifier algID, + char[] password, + bool wrongPkcs12Zero) + { + return GenerateCipherParameters(algID.ObjectID.Id, password, wrongPkcs12Zero, algID.Parameters); + } + + public static ICipherParameters GenerateCipherParameters( + string algorithm, + char[] password, + Asn1Encodable pbeParameters) + { + return GenerateCipherParameters(algorithm, password, false, pbeParameters); + } + + public static ICipherParameters GenerateCipherParameters( + string algorithm, + char[] password, + bool wrongPkcs12Zero, + Asn1Encodable pbeParameters) + { + string mechanism = (string)algorithms[Platform.ToUpperInvariant(algorithm)]; + + byte[] keyBytes = null; + byte[] salt = null; + int iterationCount = 0; + + if (IsPkcs12(mechanism)) + { + Pkcs12PbeParams pbeParams = Pkcs12PbeParams.GetInstance(pbeParameters); + salt = pbeParams.GetIV(); + iterationCount = pbeParams.Iterations.IntValue; + keyBytes = PbeParametersGenerator.Pkcs12PasswordToBytes(password, wrongPkcs12Zero); + } + else if (IsPkcs5Scheme2(mechanism)) + { + // See below + } + else + { + PbeParameter pbeParams = PbeParameter.GetInstance(pbeParameters); + salt = pbeParams.GetSalt(); + iterationCount = pbeParams.IterationCount.IntValue; + keyBytes = PbeParametersGenerator.Pkcs5PasswordToBytes(password); + } + + ICipherParameters parameters = null; + + if (IsPkcs5Scheme2(mechanism)) + { + PbeS2Parameters s2p = PbeS2Parameters.GetInstance(pbeParameters.ToAsn1Object()); + AlgorithmIdentifier encScheme = s2p.EncryptionScheme; + DerObjectIdentifier encOid = encScheme.ObjectID; + Asn1Object encParams = encScheme.Parameters.ToAsn1Object(); + + // TODO What about s2p.KeyDerivationFunc.ObjectID? + Pbkdf2Params pbeParams = Pbkdf2Params.GetInstance(s2p.KeyDerivationFunc.Parameters.ToAsn1Object()); + + byte[] iv; + if (encOid.Equals(PkcsObjectIdentifiers.RC2Cbc)) // PKCS5.B.2.3 + { + RC2CbcParameter rc2Params = RC2CbcParameter.GetInstance(encParams); + iv = rc2Params.GetIV(); + } + else + { + iv = Asn1OctetString.GetInstance(encParams).GetOctets(); + } + + salt = pbeParams.GetSalt(); + iterationCount = pbeParams.IterationCount.IntValue; + keyBytes = PbeParametersGenerator.Pkcs5PasswordToBytes(password); + + int keyLength = pbeParams.KeyLength != null + ? pbeParams.KeyLength.IntValue * 8 + : GeneratorUtilities.GetDefaultKeySize(encOid); + + PbeParametersGenerator gen = MakePbeGenerator( + (string)algorithmType[mechanism], null, keyBytes, salt, iterationCount); + + parameters = gen.GenerateDerivedParameters(encOid.Id, keyLength); + + if (iv != null) + { + // FIXME? OpenSSL weirdness with IV of zeros (for ECB keys?) + if (Arrays.AreEqual(iv, new byte[iv.Length])) + { + //Console.Error.Write("***** IV all 0 (length " + iv.Length + ") *****"); + } + else + { + parameters = new ParametersWithIV(parameters, iv); + } + } + } + else if (mechanism.StartsWith("PBEwithSHA-1")) + { + PbeParametersGenerator generator = MakePbeGenerator( + (string) algorithmType[mechanism], new Sha1Digest(), keyBytes, salt, iterationCount); + + if (mechanism.Equals("PBEwithSHA-1and128bitAES-CBC-BC")) + { + parameters = generator.GenerateDerivedParameters("AES", 128, 128); + } + else if (mechanism.Equals("PBEwithSHA-1and192bitAES-CBC-BC")) + { + parameters = generator.GenerateDerivedParameters("AES", 192, 128); + } + else if (mechanism.Equals("PBEwithSHA-1and256bitAES-CBC-BC")) + { + parameters = generator.GenerateDerivedParameters("AES", 256, 128); + } + else if (mechanism.Equals("PBEwithSHA-1and128bitRC4")) + { + parameters = generator.GenerateDerivedParameters("RC4", 128); + } + else if (mechanism.Equals("PBEwithSHA-1and40bitRC4")) + { + parameters = generator.GenerateDerivedParameters("RC4", 40); + } + else if (mechanism.Equals("PBEwithSHA-1and3-keyDESEDE-CBC")) + { + parameters = generator.GenerateDerivedParameters("DESEDE", 192, 64); + } + else if (mechanism.Equals("PBEwithSHA-1and2-keyDESEDE-CBC")) + { + parameters = generator.GenerateDerivedParameters("DESEDE", 128, 64); + } + else if (mechanism.Equals("PBEwithSHA-1and128bitRC2-CBC")) + { + parameters = generator.GenerateDerivedParameters("RC2", 128, 64); + } + else if (mechanism.Equals("PBEwithSHA-1and40bitRC2-CBC")) + { + parameters = generator.GenerateDerivedParameters("RC2", 40, 64); + } + else if (mechanism.Equals("PBEwithSHA-1andDES-CBC")) + { + parameters = generator.GenerateDerivedParameters("DES", 64, 64); + } + else if (mechanism.Equals("PBEwithSHA-1andRC2-CBC")) + { + parameters = generator.GenerateDerivedParameters("RC2", 64, 64); + } + } + else if (mechanism.StartsWith("PBEwithSHA-256")) + { + PbeParametersGenerator generator = MakePbeGenerator( + (string) algorithmType[mechanism], new Sha256Digest(), keyBytes, salt, iterationCount); + + if (mechanism.Equals("PBEwithSHA-256and128bitAES-CBC-BC")) + { + parameters = generator.GenerateDerivedParameters("AES", 128, 128); + } + else if (mechanism.Equals("PBEwithSHA-256and192bitAES-CBC-BC")) + { + parameters = generator.GenerateDerivedParameters("AES", 192, 128); + } + else if (mechanism.Equals("PBEwithSHA-256and256bitAES-CBC-BC")) + { + parameters = generator.GenerateDerivedParameters("AES", 256, 128); + } + } + else if (mechanism.StartsWith("PBEwithMD5")) + { + PbeParametersGenerator generator = MakePbeGenerator( + (string)algorithmType[mechanism], new MD5Digest(), keyBytes, salt, iterationCount); + + if (mechanism.Equals("PBEwithMD5andDES-CBC")) + { + parameters = generator.GenerateDerivedParameters("DES", 64, 64); + } + else if (mechanism.Equals("PBEwithMD5andRC2-CBC")) + { + parameters = generator.GenerateDerivedParameters("RC2", 64, 64); + } + else if (mechanism.Equals("PBEwithMD5and128bitAES-CBC-OpenSSL")) + { + parameters = generator.GenerateDerivedParameters("AES", 128, 128); + } + else if (mechanism.Equals("PBEwithMD5and192bitAES-CBC-OpenSSL")) + { + parameters = generator.GenerateDerivedParameters("AES", 192, 128); + } + else if (mechanism.Equals("PBEwithMD5and256bitAES-CBC-OpenSSL")) + { + parameters = generator.GenerateDerivedParameters("AES", 256, 128); + } + } + else if (mechanism.StartsWith("PBEwithMD2")) + { + PbeParametersGenerator generator = MakePbeGenerator( + (string)algorithmType[mechanism], new MD2Digest(), keyBytes, salt, iterationCount); + if (mechanism.Equals("PBEwithMD2andDES-CBC")) + { + parameters = generator.GenerateDerivedParameters("DES", 64, 64); + } + else if (mechanism.Equals("PBEwithMD2andRC2-CBC")) + { + parameters = generator.GenerateDerivedParameters("RC2", 64, 64); + } + } + else if (mechanism.StartsWith("PBEwithHmac")) + { + string digestName = mechanism.Substring("PBEwithHmac".Length); + IDigest digest = DigestUtilities.GetDigest(digestName); + + PbeParametersGenerator generator = MakePbeGenerator( + (string) algorithmType[mechanism], digest, keyBytes, salt, iterationCount); + + int bitLen = digest.GetDigestSize() * 8; + parameters = generator.GenerateDerivedMacParameters(bitLen); + } + + Array.Clear(keyBytes, 0, keyBytes.Length); + + return FixDesParity(mechanism, parameters); + } + + public static object CreateEngine( + DerObjectIdentifier algorithmOid) + { + return CreateEngine(algorithmOid.Id); + } + + public static object CreateEngine( + AlgorithmIdentifier algID) + { + string algorithm = algID.ObjectID.Id; + + if (IsPkcs5Scheme2(algorithm)) + { + PbeS2Parameters s2p = PbeS2Parameters.GetInstance(algID.Parameters.ToAsn1Object()); + AlgorithmIdentifier encScheme = s2p.EncryptionScheme; + return CipherUtilities.GetCipher(encScheme.ObjectID); + } + + return CreateEngine(algorithm); + } + + public static object CreateEngine( + string algorithm) + { + string mechanism = (string)algorithms[Platform.ToUpperInvariant(algorithm)]; + + if (mechanism.StartsWith("PBEwithHmac")) + { + string digestName = mechanism.Substring("PBEwithHmac".Length); + + return MacUtilities.GetMac("HMAC/" + digestName); + } + + if (mechanism.StartsWith("PBEwithMD2") + || mechanism.StartsWith("PBEwithMD5") + || mechanism.StartsWith("PBEwithSHA-1") + || mechanism.StartsWith("PBEwithSHA-256")) + { + if (mechanism.EndsWith("AES-CBC-BC") || mechanism.EndsWith("AES-CBC-OPENSSL")) + { + return CipherUtilities.GetCipher("AES/CBC"); + } + + if (mechanism.EndsWith("DES-CBC")) + { + return CipherUtilities.GetCipher("DES/CBC"); + } + + if (mechanism.EndsWith("DESEDE-CBC")) + { + return CipherUtilities.GetCipher("DESEDE/CBC"); + } + + if (mechanism.EndsWith("RC2-CBC")) + { + return CipherUtilities.GetCipher("RC2/CBC"); + } + + if (mechanism.EndsWith("RC4")) + { + return CipherUtilities.GetCipher("RC4"); + } + } + + return null; + } + + public static string GetEncodingName( + DerObjectIdentifier oid) + { + return (string) algorithms[oid.Id]; + } + + private static ICipherParameters FixDesParity(string mechanism, ICipherParameters parameters) + { + if (!mechanism.EndsWith("DES-CBC") & !mechanism.EndsWith("DESEDE-CBC")) + { + return parameters; + } + + if (parameters is ParametersWithIV) + { + ParametersWithIV ivParams = (ParametersWithIV)parameters; + return new ParametersWithIV(FixDesParity(mechanism, ivParams.Parameters), ivParams.GetIV()); + } + + KeyParameter kParam = (KeyParameter)parameters; + byte[] keyBytes = kParam.GetKey(); + DesParameters.SetOddParity(keyBytes); + return new KeyParameter(keyBytes); + } + } +} diff --git a/crypto/src/security/PrivateKeyFactory.cs b/crypto/src/security/PrivateKeyFactory.cs new file mode 100644 index 000000000..5ebebd55a --- /dev/null +++ b/crypto/src/security/PrivateKeyFactory.cs @@ -0,0 +1,221 @@ +using System; +using System.Collections; +using System.IO; +using System.Text; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.CryptoPro; +using Org.BouncyCastle.Asn1.Oiw; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Asn1.Sec; +using Org.BouncyCastle.Asn1.X509; +using Org.BouncyCastle.Asn1.X9; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Generators; +using Org.BouncyCastle.Crypto.Parameters; +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Pkcs; + +namespace Org.BouncyCastle.Security +{ + public sealed class PrivateKeyFactory + { + private PrivateKeyFactory() + { + } + + public static AsymmetricKeyParameter CreateKey( + byte[] privateKeyInfoData) + { + return CreateKey( + PrivateKeyInfo.GetInstance( + Asn1Object.FromByteArray(privateKeyInfoData))); + } + + public static AsymmetricKeyParameter CreateKey( + Stream inStr) + { + return CreateKey( + PrivateKeyInfo.GetInstance( + Asn1Object.FromStream(inStr))); + } + + public static AsymmetricKeyParameter CreateKey( + PrivateKeyInfo keyInfo) + { + AlgorithmIdentifier algID = keyInfo.AlgorithmID; + DerObjectIdentifier algOid = algID.ObjectID; + + // TODO See RSAUtil.isRsaOid in Java build + if (algOid.Equals(PkcsObjectIdentifiers.RsaEncryption) + || algOid.Equals(X509ObjectIdentifiers.IdEARsa) + || algOid.Equals(PkcsObjectIdentifiers.IdRsassaPss) + || algOid.Equals(PkcsObjectIdentifiers.IdRsaesOaep)) + { + RsaPrivateKeyStructure keyStructure = new RsaPrivateKeyStructure( + Asn1Sequence.GetInstance(keyInfo.PrivateKey)); + + return new RsaPrivateCrtKeyParameters( + keyStructure.Modulus, + keyStructure.PublicExponent, + keyStructure.PrivateExponent, + keyStructure.Prime1, + keyStructure.Prime2, + keyStructure.Exponent1, + keyStructure.Exponent2, + keyStructure.Coefficient); + } + // TODO? +// else if (algOid.Equals(X9ObjectIdentifiers.DHPublicNumber)) + else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement)) + { + DHParameter para = new DHParameter( + Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object())); + DerInteger derX = (DerInteger)keyInfo.PrivateKey; + + BigInteger lVal = para.L; + int l = lVal == null ? 0 : lVal.IntValue; + DHParameters dhParams = new DHParameters(para.P, para.G, null, l); + + return new DHPrivateKeyParameters(derX.Value, dhParams, algOid); + } + else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm)) + { + ElGamalParameter para = new ElGamalParameter( + Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object())); + DerInteger derX = (DerInteger)keyInfo.PrivateKey; + + return new ElGamalPrivateKeyParameters( + derX.Value, + new ElGamalParameters(para.P, para.G)); + } + else if (algOid.Equals(X9ObjectIdentifiers.IdDsa)) + { + DerInteger derX = (DerInteger) keyInfo.PrivateKey; + Asn1Encodable ae = algID.Parameters; + + DsaParameters parameters = null; + if (ae != null) + { + DsaParameter para = DsaParameter.GetInstance(ae.ToAsn1Object()); + parameters = new DsaParameters(para.P, para.Q, para.G); + } + + return new DsaPrivateKeyParameters(derX.Value, parameters); + } + else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey)) + { + X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object()); + + X9ECParameters x9; + if (para.IsNamedCurve) + { + x9 = ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)para.Parameters); + } + else + { + x9 = new X9ECParameters((Asn1Sequence)para.Parameters); + } + + ECPrivateKeyStructure ec = new ECPrivateKeyStructure( + Asn1Sequence.GetInstance(keyInfo.PrivateKey)); + BigInteger d = ec.GetKey(); + + if (para.IsNamedCurve) + { + return new ECPrivateKeyParameters("EC", d, (DerObjectIdentifier)para.Parameters); + } + + ECDomainParameters dParams = new ECDomainParameters(x9.Curve, x9.G, x9.N, x9.H, x9.GetSeed()); + return new ECPrivateKeyParameters(d, dParams); + } + else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001)) + { + Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters( + Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object())); + + ECPrivateKeyStructure ec = new ECPrivateKeyStructure( + Asn1Sequence.GetInstance(keyInfo.PrivateKey)); + + ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet); + + if (ecP == null) + return null; + + return new ECPrivateKeyParameters("ECGOST3410", ec.GetKey(), gostParams.PublicKeyParamSet); + } + else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94)) + { + Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters( + Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object())); + + DerOctetString derX = (DerOctetString) keyInfo.PrivateKey; + byte[] keyEnc = derX.GetOctets(); + byte[] keyBytes = new byte[keyEnc.Length]; + + for (int i = 0; i != keyEnc.Length; i++) + { + keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // was little endian + } + + BigInteger x = new BigInteger(1, keyBytes); + + return new Gost3410PrivateKeyParameters(x, gostParams.PublicKeyParamSet); + } + else + { + throw new SecurityUtilityException("algorithm identifier in key not recognised"); + } + } + + public static AsymmetricKeyParameter DecryptKey( + char[] passPhrase, + EncryptedPrivateKeyInfo encInfo) + { + return CreateKey(PrivateKeyInfoFactory.CreatePrivateKeyInfo(passPhrase, encInfo)); + } + + public static AsymmetricKeyParameter DecryptKey( + char[] passPhrase, + byte[] encryptedPrivateKeyInfoData) + { + return DecryptKey(passPhrase, Asn1Object.FromByteArray(encryptedPrivateKeyInfoData)); + } + + public static AsymmetricKeyParameter DecryptKey( + char[] passPhrase, + Stream encryptedPrivateKeyInfoStream) + { + return DecryptKey(passPhrase, Asn1Object.FromStream(encryptedPrivateKeyInfoStream)); + } + + private static AsymmetricKeyParameter DecryptKey( + char[] passPhrase, + Asn1Object asn1Object) + { + return DecryptKey(passPhrase, EncryptedPrivateKeyInfo.GetInstance(asn1Object)); + } + + public static byte[] EncryptKey( + DerObjectIdentifier algorithm, + char[] passPhrase, + byte[] salt, + int iterationCount, + AsymmetricKeyParameter key) + { + return EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo( + algorithm, passPhrase, salt, iterationCount, key).GetEncoded(); + } + + public static byte[] EncryptKey( + string algorithm, + char[] passPhrase, + byte[] salt, + int iterationCount, + AsymmetricKeyParameter key) + { + return EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo( + algorithm, passPhrase, salt, iterationCount, key).GetEncoded(); + } + } +} diff --git a/crypto/src/security/PublicKeyFactory.cs b/crypto/src/security/PublicKeyFactory.cs new file mode 100644 index 000000000..c15e24a41 --- /dev/null +++ b/crypto/src/security/PublicKeyFactory.cs @@ -0,0 +1,253 @@ +using System; +using System.Collections; +using System.IO; +using System.Text; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.CryptoPro; +using Org.BouncyCastle.Asn1.Oiw; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Asn1.Sec; +using Org.BouncyCastle.Asn1.X509; +using Org.BouncyCastle.Asn1.X9; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Generators; +using Org.BouncyCastle.Crypto.Parameters; +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Math.EC; + +namespace Org.BouncyCastle.Security +{ + public sealed class PublicKeyFactory + { + private PublicKeyFactory() + { + } + + public static AsymmetricKeyParameter CreateKey( + byte[] keyInfoData) + { + return CreateKey( + SubjectPublicKeyInfo.GetInstance( + Asn1Object.FromByteArray(keyInfoData))); + } + + public static AsymmetricKeyParameter CreateKey( + Stream inStr) + { + return CreateKey( + SubjectPublicKeyInfo.GetInstance( + Asn1Object.FromStream(inStr))); + } + + public static AsymmetricKeyParameter CreateKey( + SubjectPublicKeyInfo keyInfo) + { + AlgorithmIdentifier algID = keyInfo.AlgorithmID; + DerObjectIdentifier algOid = algID.ObjectID; + + // TODO See RSAUtil.isRsaOid in Java build + if (algOid.Equals(PkcsObjectIdentifiers.RsaEncryption) + || algOid.Equals(X509ObjectIdentifiers.IdEARsa) + || algOid.Equals(PkcsObjectIdentifiers.IdRsassaPss) + || algOid.Equals(PkcsObjectIdentifiers.IdRsaesOaep)) + { + RsaPublicKeyStructure pubKey = RsaPublicKeyStructure.GetInstance( + keyInfo.GetPublicKey()); + + return new RsaKeyParameters(false, pubKey.Modulus, pubKey.PublicExponent); + } + else if (algOid.Equals(X9ObjectIdentifiers.DHPublicNumber)) + { + Asn1Sequence seq = Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()); + + DHPublicKey dhPublicKey = DHPublicKey.GetInstance(keyInfo.GetPublicKey()); + + BigInteger y = dhPublicKey.Y.Value; + + if (IsPkcsDHParam(seq)) + return ReadPkcsDHParam(algOid, y, seq); + + DHDomainParameters dhParams = DHDomainParameters.GetInstance(seq); + + BigInteger p = dhParams.P.Value; + BigInteger g = dhParams.G.Value; + BigInteger q = dhParams.Q.Value; + + BigInteger j = null; + if (dhParams.J != null) + { + j = dhParams.J.Value; + } + + DHValidationParameters validation = null; + DHValidationParms dhValidationParms = dhParams.ValidationParms; + if (dhValidationParms != null) + { + byte[] seed = dhValidationParms.Seed.GetBytes(); + BigInteger pgenCounter = dhValidationParms.PgenCounter.Value; + + // TODO Check pgenCounter size? + + validation = new DHValidationParameters(seed, pgenCounter.IntValue); + } + + return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation)); + } + else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement)) + { + Asn1Sequence seq = Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()); + + DerInteger derY = (DerInteger) keyInfo.GetPublicKey(); + + return ReadPkcsDHParam(algOid, derY.Value, seq); + } + else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm)) + { + ElGamalParameter para = new ElGamalParameter( + Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object())); + DerInteger derY = (DerInteger) keyInfo.GetPublicKey(); + + return new ElGamalPublicKeyParameters( + derY.Value, + new ElGamalParameters(para.P, para.G)); + } + else if (algOid.Equals(X9ObjectIdentifiers.IdDsa) + || algOid.Equals(OiwObjectIdentifiers.DsaWithSha1)) + { + DerInteger derY = (DerInteger) keyInfo.GetPublicKey(); + Asn1Encodable ae = algID.Parameters; + + DsaParameters parameters = null; + if (ae != null) + { + DsaParameter para = DsaParameter.GetInstance(ae.ToAsn1Object()); + parameters = new DsaParameters(para.P, para.Q, para.G); + } + + return new DsaPublicKeyParameters(derY.Value, parameters); + } + else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey)) + { + X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object()); + + X9ECParameters x9; + if (para.IsNamedCurve) + { + x9 = ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)para.Parameters); + } + else + { + x9 = new X9ECParameters((Asn1Sequence)para.Parameters); + } + + Asn1OctetString key = new DerOctetString(keyInfo.PublicKeyData.GetBytes()); + X9ECPoint derQ = new X9ECPoint(x9.Curve, key); + ECPoint q = derQ.Point; + + if (para.IsNamedCurve) + { + return new ECPublicKeyParameters("EC", q, (DerObjectIdentifier)para.Parameters); + } + + ECDomainParameters dParams = new ECDomainParameters(x9.Curve, x9.G, x9.N, x9.H, x9.GetSeed()); + return new ECPublicKeyParameters(q, dParams); + } + else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001)) + { + Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters( + (Asn1Sequence) algID.Parameters); + + Asn1OctetString key; + try + { + key = (Asn1OctetString) keyInfo.GetPublicKey(); + } + catch (IOException) + { + throw new ArgumentException("invalid info structure in GOST3410 public key"); + } + + byte[] keyEnc = key.GetOctets(); + byte[] x = new byte[32]; + byte[] y = new byte[32]; + + for (int i = 0; i != y.Length; i++) + { + x[i] = keyEnc[32 - 1 - i]; + } + + for (int i = 0; i != x.Length; i++) + { + y[i] = keyEnc[64 - 1 - i]; + } + + ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet); + + if (ecP == null) + return null; + + ECPoint q = ecP.Curve.CreatePoint(new BigInteger(1, x), new BigInteger(1, y), false); + + return new ECPublicKeyParameters("ECGOST3410", q, gostParams.PublicKeyParamSet); + } + else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94)) + { + Gost3410PublicKeyAlgParameters algParams = new Gost3410PublicKeyAlgParameters( + (Asn1Sequence) algID.Parameters); + + DerOctetString derY; + try + { + derY = (DerOctetString) keyInfo.GetPublicKey(); + } + catch (IOException) + { + throw new ArgumentException("invalid info structure in GOST3410 public key"); + } + + byte[] keyEnc = derY.GetOctets(); + byte[] keyBytes = new byte[keyEnc.Length]; + + for (int i = 0; i != keyEnc.Length; i++) + { + keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // was little endian + } + + BigInteger y = new BigInteger(1, keyBytes); + + return new Gost3410PublicKeyParameters(y, algParams.PublicKeyParamSet); + } + else + { + throw new SecurityUtilityException("algorithm identifier in key not recognised: " + algOid); + } + } + + private static bool IsPkcsDHParam(Asn1Sequence seq) + { + if (seq.Count == 2) + return true; + + if (seq.Count > 3) + return false; + + DerInteger l = DerInteger.GetInstance(seq[2]); + DerInteger p = DerInteger.GetInstance(seq[0]); + + return l.Value.CompareTo(BigInteger.ValueOf(p.Value.BitLength)) <= 0; + } + + private static DHPublicKeyParameters ReadPkcsDHParam(DerObjectIdentifier algOid, + BigInteger y, Asn1Sequence seq) + { + DHParameter para = new DHParameter(seq); + + BigInteger lVal = para.L; + int l = lVal == null ? 0 : lVal.IntValue; + DHParameters dhParams = new DHParameters(para.P, para.G, null, l); + + return new DHPublicKeyParameters(y, dhParams, algOid); + } + } +} diff --git a/crypto/src/security/SecureRandom.cs b/crypto/src/security/SecureRandom.cs new file mode 100644 index 000000000..ac9d98158 --- /dev/null +++ b/crypto/src/security/SecureRandom.cs @@ -0,0 +1,228 @@ +using System; + +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Digests; +using Org.BouncyCastle.Crypto.Prng; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + public class SecureRandom + : Random + { + // Note: all objects of this class should be deriving their random data from + // a single generator appropriate to the digest being used. + private static readonly IRandomGenerator sha1Generator = new DigestRandomGenerator(new Sha1Digest()); + private static readonly IRandomGenerator sha256Generator = new DigestRandomGenerator(new Sha256Digest()); + + private static readonly SecureRandom[] master = { null }; + private static SecureRandom Master + { + get + { + if (master[0] == null) + { + IRandomGenerator gen = sha256Generator; + gen = new ReversedWindowGenerator(gen, 32); + SecureRandom sr = master[0] = new SecureRandom(gen); + + sr.SetSeed(DateTime.Now.Ticks); + sr.SetSeed(new ThreadedSeedGenerator().GenerateSeed(24, true)); + sr.GenerateSeed(1 + sr.Next(32)); + } + + return master[0]; + } + } + + public static SecureRandom GetInstance( + string algorithm) + { + // TODO Compared to JDK, we don't auto-seed if the client forgets - problem? + + // TODO Support all digests more generally, by stripping PRNG and calling DigestUtilities? + string drgName = Platform.ToUpperInvariant(algorithm); + + IRandomGenerator drg = null; + if (drgName == "SHA1PRNG") + { + drg = sha1Generator; + } + else if (drgName == "SHA256PRNG") + { + drg = sha256Generator; + } + + if (drg != null) + { + return new SecureRandom(drg); + } + + throw new ArgumentException("Unrecognised PRNG algorithm: " + algorithm, "algorithm"); + } + + public static byte[] GetSeed( + int length) + { + return Master.GenerateSeed(length); + } + + protected IRandomGenerator generator; + + public SecureRandom() + : this(sha1Generator) + { + SetSeed(GetSeed(8)); + } + + public SecureRandom( + byte[] inSeed) + : this(sha1Generator) + { + SetSeed(inSeed); + } + + /// <summary>Use the specified instance of IRandomGenerator as random source.</summary> + /// <remarks> + /// This constructor performs no seeding of either the <c>IRandomGenerator</c> or the + /// constructed <c>SecureRandom</c>. It is the responsibility of the client to provide + /// proper seed material as necessary/appropriate for the given <c>IRandomGenerator</c> + /// implementation. + /// </remarks> + /// <param name="generator">The source to generate all random bytes from.</param> + public SecureRandom( + IRandomGenerator generator) + : base(0) + { + this.generator = generator; + } + + public virtual byte[] GenerateSeed( + int length) + { + SetSeed(DateTime.Now.Ticks); + + byte[] rv = new byte[length]; + NextBytes(rv); + return rv; + } + + public virtual void SetSeed( + byte[] inSeed) + { + generator.AddSeedMaterial(inSeed); + } + + public virtual void SetSeed( + long seed) + { + generator.AddSeedMaterial(seed); + } + + public override int Next() + { + for (;;) + { + int i = NextInt() & int.MaxValue; + + if (i != int.MaxValue) + return i; + } + } + + public override int Next( + int maxValue) + { + if (maxValue < 2) + { + if (maxValue < 0) + throw new ArgumentOutOfRangeException("maxValue", "cannot be negative"); + + return 0; + } + + // Test whether maxValue is a power of 2 + if ((maxValue & -maxValue) == maxValue) + { + int val = NextInt() & int.MaxValue; + long lr = ((long) maxValue * (long) val) >> 31; + return (int) lr; + } + + int bits, result; + do + { + bits = NextInt() & int.MaxValue; + result = bits % maxValue; + } + while (bits - result + (maxValue - 1) < 0); // Ignore results near overflow + + return result; + } + + public override int Next( + int minValue, + int maxValue) + { + if (maxValue <= minValue) + { + if (maxValue == minValue) + return minValue; + + throw new ArgumentException("maxValue cannot be less than minValue"); + } + + int diff = maxValue - minValue; + if (diff > 0) + return minValue + Next(diff); + + for (;;) + { + int i = NextInt(); + + if (i >= minValue && i < maxValue) + return i; + } + } + + public override void NextBytes( + byte[] buffer) + { + generator.NextBytes(buffer); + } + + public virtual void NextBytes( + byte[] buffer, + int start, + int length) + { + generator.NextBytes(buffer, start, length); + } + + private static readonly double DoubleScale = System.Math.Pow(2.0, 64.0); + + public override double NextDouble() + { + return Convert.ToDouble((ulong) NextLong()) / DoubleScale; + } + + public virtual int NextInt() + { + byte[] intBytes = new byte[4]; + NextBytes(intBytes); + + int result = 0; + for (int i = 0; i < 4; i++) + { + result = (result << 8) + (intBytes[i] & 0xff); + } + + return result; + } + + public virtual long NextLong() + { + return ((long)(uint) NextInt() << 32) | (long)(uint) NextInt(); + } + } +} diff --git a/crypto/src/security/SecurityUtilityException.cs b/crypto/src/security/SecurityUtilityException.cs new file mode 100644 index 000000000..02a3e806e --- /dev/null +++ b/crypto/src/security/SecurityUtilityException.cs @@ -0,0 +1,36 @@ +using System; + +namespace Org.BouncyCastle.Security +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class SecurityUtilityException + : Exception + { + /** + * base constructor. + */ + public SecurityUtilityException() + { + } + + /** + * create a SecurityUtilityException with the given message. + * + * @param message the message to be carried with the exception. + */ + public SecurityUtilityException( + string message) + : base(message) + { + } + + public SecurityUtilityException( + string message, + Exception exception) + : base(message, exception) + { + } + } +} diff --git a/crypto/src/security/SignatureException.cs b/crypto/src/security/SignatureException.cs new file mode 100644 index 000000000..cea3c59cd --- /dev/null +++ b/crypto/src/security/SignatureException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class SignatureException : GeneralSecurityException + { + public SignatureException() : base() { } + public SignatureException(string message) : base(message) { } + public SignatureException(string message, Exception exception) : base(message, exception) { } + } +} diff --git a/crypto/src/security/SignerUtilities.cs b/crypto/src/security/SignerUtilities.cs new file mode 100644 index 000000000..136361532 --- /dev/null +++ b/crypto/src/security/SignerUtilities.cs @@ -0,0 +1,549 @@ +using System; +using System.Collections; +using System.IO; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.CryptoPro; +using Org.BouncyCastle.Asn1.Nist; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Asn1.TeleTrust; +using Org.BouncyCastle.Asn1.X509; +using Org.BouncyCastle.Asn1.X9; +using Org.BouncyCastle.Security; +using Org.BouncyCastle.Crypto.Digests; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Engines; +using Org.BouncyCastle.Crypto.Signers; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + /// <summary> + /// Signer Utility class contains methods that can not be specifically grouped into other classes. + /// </summary> + public sealed class SignerUtilities + { + private SignerUtilities() + { + } + + internal static readonly IDictionary algorithms = Platform.CreateHashtable(); + internal static readonly IDictionary oids = Platform.CreateHashtable(); + + static SignerUtilities() + { + algorithms["MD2WITHRSA"] = "MD2withRSA"; + algorithms["MD2WITHRSAENCRYPTION"] = "MD2withRSA"; + algorithms[PkcsObjectIdentifiers.MD2WithRsaEncryption.Id] = "MD2withRSA"; + + algorithms["MD4WITHRSA"] = "MD4withRSA"; + algorithms["MD4WITHRSAENCRYPTION"] = "MD4withRSA"; + algorithms[PkcsObjectIdentifiers.MD4WithRsaEncryption.Id] = "MD4withRSA"; + + algorithms["MD5WITHRSA"] = "MD5withRSA"; + algorithms["MD5WITHRSAENCRYPTION"] = "MD5withRSA"; + algorithms[PkcsObjectIdentifiers.MD5WithRsaEncryption.Id] = "MD5withRSA"; + + algorithms["SHA1WITHRSA"] = "SHA-1withRSA"; + algorithms["SHA1WITHRSAENCRYPTION"] = "SHA-1withRSA"; + algorithms[PkcsObjectIdentifiers.Sha1WithRsaEncryption.Id] = "SHA-1withRSA"; + algorithms["SHA-1WITHRSA"] = "SHA-1withRSA"; + + algorithms["SHA224WITHRSA"] = "SHA-224withRSA"; + algorithms["SHA224WITHRSAENCRYPTION"] = "SHA-224withRSA"; + algorithms[PkcsObjectIdentifiers.Sha224WithRsaEncryption.Id] = "SHA-224withRSA"; + algorithms["SHA-224WITHRSA"] = "SHA-224withRSA"; + + algorithms["SHA256WITHRSA"] = "SHA-256withRSA"; + algorithms["SHA256WITHRSAENCRYPTION"] = "SHA-256withRSA"; + algorithms[PkcsObjectIdentifiers.Sha256WithRsaEncryption.Id] = "SHA-256withRSA"; + algorithms["SHA-256WITHRSA"] = "SHA-256withRSA"; + + algorithms["SHA384WITHRSA"] = "SHA-384withRSA"; + algorithms["SHA384WITHRSAENCRYPTION"] = "SHA-384withRSA"; + algorithms[PkcsObjectIdentifiers.Sha384WithRsaEncryption.Id] = "SHA-384withRSA"; + algorithms["SHA-384WITHRSA"] = "SHA-384withRSA"; + + algorithms["SHA512WITHRSA"] = "SHA-512withRSA"; + algorithms["SHA512WITHRSAENCRYPTION"] = "SHA-512withRSA"; + algorithms[PkcsObjectIdentifiers.Sha512WithRsaEncryption.Id] = "SHA-512withRSA"; + algorithms["SHA-512WITHRSA"] = "SHA-512withRSA"; + + algorithms["PSSWITHRSA"] = "PSSwithRSA"; + algorithms["RSASSA-PSS"] = "PSSwithRSA"; + algorithms[PkcsObjectIdentifiers.IdRsassaPss.Id] = "PSSwithRSA"; + algorithms["RSAPSS"] = "PSSwithRSA"; + + algorithms["SHA1WITHRSAANDMGF1"] = "SHA-1withRSAandMGF1"; + algorithms["SHA-1WITHRSAANDMGF1"] = "SHA-1withRSAandMGF1"; + algorithms["SHA1WITHRSA/PSS"] = "SHA-1withRSAandMGF1"; + algorithms["SHA-1WITHRSA/PSS"] = "SHA-1withRSAandMGF1"; + + algorithms["SHA224WITHRSAANDMGF1"] = "SHA-224withRSAandMGF1"; + algorithms["SHA-224WITHRSAANDMGF1"] = "SHA-224withRSAandMGF1"; + algorithms["SHA224WITHRSA/PSS"] = "SHA-224withRSAandMGF1"; + algorithms["SHA-224WITHRSA/PSS"] = "SHA-224withRSAandMGF1"; + + algorithms["SHA256WITHRSAANDMGF1"] = "SHA-256withRSAandMGF1"; + algorithms["SHA-256WITHRSAANDMGF1"] = "SHA-256withRSAandMGF1"; + algorithms["SHA256WITHRSA/PSS"] = "SHA-256withRSAandMGF1"; + algorithms["SHA-256WITHRSA/PSS"] = "SHA-256withRSAandMGF1"; + + algorithms["SHA384WITHRSAANDMGF1"] = "SHA-384withRSAandMGF1"; + algorithms["SHA-384WITHRSAANDMGF1"] = "SHA-384withRSAandMGF1"; + algorithms["SHA384WITHRSA/PSS"] = "SHA-384withRSAandMGF1"; + algorithms["SHA-384WITHRSA/PSS"] = "SHA-384withRSAandMGF1"; + + algorithms["SHA512WITHRSAANDMGF1"] = "SHA-512withRSAandMGF1"; + algorithms["SHA-512WITHRSAANDMGF1"] = "SHA-512withRSAandMGF1"; + algorithms["SHA512WITHRSA/PSS"] = "SHA-512withRSAandMGF1"; + algorithms["SHA-512WITHRSA/PSS"] = "SHA-512withRSAandMGF1"; + + algorithms["RIPEMD128WITHRSA"] = "RIPEMD128withRSA"; + algorithms["RIPEMD128WITHRSAENCRYPTION"] = "RIPEMD128withRSA"; + algorithms[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128.Id] = "RIPEMD128withRSA"; + + algorithms["RIPEMD160WITHRSA"] = "RIPEMD160withRSA"; + algorithms["RIPEMD160WITHRSAENCRYPTION"] = "RIPEMD160withRSA"; + algorithms[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160.Id] = "RIPEMD160withRSA"; + + algorithms["RIPEMD256WITHRSA"] = "RIPEMD256withRSA"; + algorithms["RIPEMD256WITHRSAENCRYPTION"] = "RIPEMD256withRSA"; + algorithms[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256.Id] = "RIPEMD256withRSA"; + + algorithms["NONEWITHRSA"] = "RSA"; + algorithms["RSAWITHNONE"] = "RSA"; + algorithms["RAWRSA"] = "RSA"; + + algorithms["RAWRSAPSS"] = "RAWRSASSA-PSS"; + algorithms["NONEWITHRSAPSS"] = "RAWRSASSA-PSS"; + algorithms["NONEWITHRSASSA-PSS"] = "RAWRSASSA-PSS"; + + algorithms["NONEWITHDSA"] = "NONEwithDSA"; + algorithms["DSAWITHNONE"] = "NONEwithDSA"; + algorithms["RAWDSA"] = "NONEwithDSA"; + + algorithms["DSA"] = "SHA-1withDSA"; + algorithms["DSAWITHSHA1"] = "SHA-1withDSA"; + algorithms["DSAWITHSHA-1"] = "SHA-1withDSA"; + algorithms["SHA/DSA"] = "SHA-1withDSA"; + algorithms["SHA1/DSA"] = "SHA-1withDSA"; + algorithms["SHA-1/DSA"] = "SHA-1withDSA"; + algorithms["SHA1WITHDSA"] = "SHA-1withDSA"; + algorithms["SHA-1WITHDSA"] = "SHA-1withDSA"; + algorithms[X9ObjectIdentifiers.IdDsaWithSha1.Id] = "SHA-1withDSA"; + + algorithms["DSAWITHSHA224"] = "SHA-224withDSA"; + algorithms["DSAWITHSHA-224"] = "SHA-224withDSA"; + algorithms["SHA224/DSA"] = "SHA-224withDSA"; + algorithms["SHA-224/DSA"] = "SHA-224withDSA"; + algorithms["SHA224WITHDSA"] = "SHA-224withDSA"; + algorithms["SHA-224WITHDSA"] = "SHA-224withDSA"; + algorithms[NistObjectIdentifiers.DsaWithSha224.Id] = "SHA-224withDSA"; + + algorithms["DSAWITHSHA256"] = "SHA-256withDSA"; + algorithms["DSAWITHSHA-256"] = "SHA-256withDSA"; + algorithms["SHA256/DSA"] = "SHA-256withDSA"; + algorithms["SHA-256/DSA"] = "SHA-256withDSA"; + algorithms["SHA256WITHDSA"] = "SHA-256withDSA"; + algorithms["SHA-256WITHDSA"] = "SHA-256withDSA"; + algorithms[NistObjectIdentifiers.DsaWithSha256.Id] = "SHA-256withDSA"; + + algorithms["DSAWITHSHA384"] = "SHA-384withDSA"; + algorithms["DSAWITHSHA-384"] = "SHA-384withDSA"; + algorithms["SHA384/DSA"] = "SHA-384withDSA"; + algorithms["SHA-384/DSA"] = "SHA-384withDSA"; + algorithms["SHA384WITHDSA"] = "SHA-384withDSA"; + algorithms["SHA-384WITHDSA"] = "SHA-384withDSA"; + algorithms[NistObjectIdentifiers.DsaWithSha384.Id] = "SHA-384withDSA"; + + algorithms["DSAWITHSHA512"] = "SHA-512withDSA"; + algorithms["DSAWITHSHA-512"] = "SHA-512withDSA"; + algorithms["SHA512/DSA"] = "SHA-512withDSA"; + algorithms["SHA-512/DSA"] = "SHA-512withDSA"; + algorithms["SHA512WITHDSA"] = "SHA-512withDSA"; + algorithms["SHA-512WITHDSA"] = "SHA-512withDSA"; + algorithms[NistObjectIdentifiers.DsaWithSha512.Id] = "SHA-512withDSA"; + + algorithms["NONEWITHECDSA"] = "NONEwithECDSA"; + algorithms["ECDSAWITHNONE"] = "NONEwithECDSA"; + + algorithms["ECDSA"] = "SHA-1withECDSA"; + algorithms["SHA1/ECDSA"] = "SHA-1withECDSA"; + algorithms["SHA-1/ECDSA"] = "SHA-1withECDSA"; + algorithms["ECDSAWITHSHA1"] = "SHA-1withECDSA"; + algorithms["ECDSAWITHSHA-1"] = "SHA-1withECDSA"; + algorithms["SHA1WITHECDSA"] = "SHA-1withECDSA"; + algorithms["SHA-1WITHECDSA"] = "SHA-1withECDSA"; + algorithms[X9ObjectIdentifiers.ECDsaWithSha1.Id] = "SHA-1withECDSA"; + algorithms[TeleTrusTObjectIdentifiers.ECSignWithSha1.Id] = "SHA-1withECDSA"; + + algorithms["SHA224/ECDSA"] = "SHA-224withECDSA"; + algorithms["SHA-224/ECDSA"] = "SHA-224withECDSA"; + algorithms["ECDSAWITHSHA224"] = "SHA-224withECDSA"; + algorithms["ECDSAWITHSHA-224"] = "SHA-224withECDSA"; + algorithms["SHA224WITHECDSA"] = "SHA-224withECDSA"; + algorithms["SHA-224WITHECDSA"] = "SHA-224withECDSA"; + algorithms[X9ObjectIdentifiers.ECDsaWithSha224.Id] = "SHA-224withECDSA"; + + algorithms["SHA256/ECDSA"] = "SHA-256withECDSA"; + algorithms["SHA-256/ECDSA"] = "SHA-256withECDSA"; + algorithms["ECDSAWITHSHA256"] = "SHA-256withECDSA"; + algorithms["ECDSAWITHSHA-256"] = "SHA-256withECDSA"; + algorithms["SHA256WITHECDSA"] = "SHA-256withECDSA"; + algorithms["SHA-256WITHECDSA"] = "SHA-256withECDSA"; + algorithms[X9ObjectIdentifiers.ECDsaWithSha256.Id] = "SHA-256withECDSA"; + + algorithms["SHA384/ECDSA"] = "SHA-384withECDSA"; + algorithms["SHA-384/ECDSA"] = "SHA-384withECDSA"; + algorithms["ECDSAWITHSHA384"] = "SHA-384withECDSA"; + algorithms["ECDSAWITHSHA-384"] = "SHA-384withECDSA"; + algorithms["SHA384WITHECDSA"] = "SHA-384withECDSA"; + algorithms["SHA-384WITHECDSA"] = "SHA-384withECDSA"; + algorithms[X9ObjectIdentifiers.ECDsaWithSha384.Id] = "SHA-384withECDSA"; + + algorithms["SHA512/ECDSA"] = "SHA-512withECDSA"; + algorithms["SHA-512/ECDSA"] = "SHA-512withECDSA"; + algorithms["ECDSAWITHSHA512"] = "SHA-512withECDSA"; + algorithms["ECDSAWITHSHA-512"] = "SHA-512withECDSA"; + algorithms["SHA512WITHECDSA"] = "SHA-512withECDSA"; + algorithms["SHA-512WITHECDSA"] = "SHA-512withECDSA"; + algorithms[X9ObjectIdentifiers.ECDsaWithSha512.Id] = "SHA-512withECDSA"; + + algorithms["RIPEMD160/ECDSA"] = "RIPEMD160withECDSA"; + algorithms["SHA-512/ECDSA"] = "RIPEMD160withECDSA"; + algorithms["ECDSAWITHRIPEMD160"] = "RIPEMD160withECDSA"; + algorithms["ECDSAWITHRIPEMD160"] = "RIPEMD160withECDSA"; + algorithms["RIPEMD160WITHECDSA"] = "RIPEMD160withECDSA"; + algorithms["RIPEMD160WITHECDSA"] = "RIPEMD160withECDSA"; + algorithms[TeleTrusTObjectIdentifiers.ECSignWithRipeMD160.Id] = "RIPEMD160withECDSA"; + + algorithms["GOST-3410"] = "GOST3410"; + algorithms["GOST-3410-94"] = "GOST3410"; + algorithms["GOST3411WITHGOST3410"] = "GOST3410"; + algorithms[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94.Id] = "GOST3410"; + + algorithms["ECGOST-3410"] = "ECGOST3410"; + algorithms["ECGOST-3410-2001"] = "ECGOST3410"; + algorithms["GOST3411WITHECGOST3410"] = "ECGOST3410"; + algorithms[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001.Id] = "ECGOST3410"; + + + + oids["MD2withRSA"] = PkcsObjectIdentifiers.MD2WithRsaEncryption; + oids["MD4withRSA"] = PkcsObjectIdentifiers.MD4WithRsaEncryption; + oids["MD5withRSA"] = PkcsObjectIdentifiers.MD5WithRsaEncryption; + + oids["SHA-1withRSA"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption; + oids["SHA-224withRSA"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption; + oids["SHA-256withRSA"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption; + oids["SHA-384withRSA"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption; + oids["SHA-512withRSA"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption; + + oids["PSSwithRSA"] = PkcsObjectIdentifiers.IdRsassaPss; + oids["SHA-1withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss; + oids["SHA-224withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss; + oids["SHA-256withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss; + oids["SHA-384withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss; + oids["SHA-512withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss; + + oids["RIPEMD128withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128; + oids["RIPEMD160withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160; + oids["RIPEMD256withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256; + + oids["SHA-1withDSA"] = X9ObjectIdentifiers.IdDsaWithSha1; + + oids["SHA-1withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha1; + oids["SHA-224withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha224; + oids["SHA-256withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha256; + oids["SHA-384withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha384; + oids["SHA-512withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha512; + + oids["GOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94; + oids["ECGOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001; + } + + /// <summary> + /// Returns a ObjectIdentifier for a give encoding. + /// </summary> + /// <param name="mechanism">A string representation of the encoding.</param> + /// <returns>A DerObjectIdentifier, null if the Oid is not available.</returns> + // TODO Don't really want to support this + public static DerObjectIdentifier GetObjectIdentifier( + string mechanism) + { + if (mechanism == null) + throw new ArgumentNullException("mechanism"); + + mechanism = Platform.ToUpperInvariant(mechanism); + string aliased = (string) algorithms[mechanism]; + + if (aliased != null) + mechanism = aliased; + + return (DerObjectIdentifier) oids[mechanism]; + } + + public static ICollection Algorithms + { + get { return oids.Keys; } + } + + public static Asn1Encodable GetDefaultX509Parameters( + DerObjectIdentifier id) + { + return GetDefaultX509Parameters(id.Id); + } + + public static Asn1Encodable GetDefaultX509Parameters( + string algorithm) + { + if (algorithm == null) + throw new ArgumentNullException("algorithm"); + + algorithm = Platform.ToUpperInvariant(algorithm); + + string mechanism = (string) algorithms[algorithm]; + + if (mechanism == null) + mechanism = algorithm; + + if (mechanism == "PSSwithRSA") + { + // TODO The Sha1Digest here is a default. In JCE version, the actual digest + // to be used can be overridden by subsequent parameter settings. + return GetPssX509Parameters("SHA-1"); + } + + if (mechanism.EndsWith("withRSAandMGF1")) + { + string digestName = mechanism.Substring(0, mechanism.Length - "withRSAandMGF1".Length); + return GetPssX509Parameters(digestName); + } + + return DerNull.Instance; + } + + private static Asn1Encodable GetPssX509Parameters( + string digestName) + { + AlgorithmIdentifier hashAlgorithm = new AlgorithmIdentifier( + DigestUtilities.GetObjectIdentifier(digestName), DerNull.Instance); + + // TODO Is it possible for the MGF hash alg to be different from the PSS one? + AlgorithmIdentifier maskGenAlgorithm = new AlgorithmIdentifier( + PkcsObjectIdentifiers.IdMgf1, hashAlgorithm); + + int saltLen = DigestUtilities.GetDigest(digestName).GetDigestSize(); + return new RsassaPssParameters(hashAlgorithm, maskGenAlgorithm, + new DerInteger(saltLen), new DerInteger(1)); + } + + public static ISigner GetSigner( + DerObjectIdentifier id) + { + return GetSigner(id.Id); + } + + public static ISigner GetSigner( + string algorithm) + { + if (algorithm == null) + throw new ArgumentNullException("algorithm"); + + algorithm = Platform.ToUpperInvariant(algorithm); + + string mechanism = (string) algorithms[algorithm]; + + if (mechanism == null) + mechanism = algorithm; + + if (mechanism.Equals("RSA")) + { + return (new RsaDigestSigner(new NullDigest())); + } + if (mechanism.Equals("MD2withRSA")) + { + return (new RsaDigestSigner(new MD2Digest())); + } + if (mechanism.Equals("MD4withRSA")) + { + return (new RsaDigestSigner(new MD4Digest())); + } + if (mechanism.Equals("MD5withRSA")) + { + return (new RsaDigestSigner(new MD5Digest())); + } + if (mechanism.Equals("SHA-1withRSA")) + { + return (new RsaDigestSigner(new Sha1Digest())); + } + if (mechanism.Equals("SHA-224withRSA")) + { + return (new RsaDigestSigner(new Sha224Digest())); + } + if (mechanism.Equals("SHA-256withRSA")) + { + return (new RsaDigestSigner(new Sha256Digest())); + } + if (mechanism.Equals("SHA-384withRSA")) + { + return (new RsaDigestSigner(new Sha384Digest())); + } + if (mechanism.Equals("SHA-512withRSA")) + { + return (new RsaDigestSigner(new Sha512Digest())); + } + if (mechanism.Equals("RIPEMD128withRSA")) + { + return (new RsaDigestSigner(new RipeMD128Digest())); + } + if (mechanism.Equals("RIPEMD160withRSA")) + { + return (new RsaDigestSigner(new RipeMD160Digest())); + } + if (mechanism.Equals("RIPEMD256withRSA")) + { + return (new RsaDigestSigner(new RipeMD256Digest())); + } + + if (mechanism.Equals("RAWRSASSA-PSS")) + { + // TODO Add support for other parameter settings + return PssSigner.CreateRawSigner(new RsaBlindedEngine(), new Sha1Digest()); + } + if (mechanism.Equals("PSSwithRSA")) + { + // TODO The Sha1Digest here is a default. In JCE version, the actual digest + // to be used can be overridden by subsequent parameter settings. + return (new PssSigner(new RsaBlindedEngine(), new Sha1Digest())); + } + if (mechanism.Equals("SHA-1withRSAandMGF1")) + { + return (new PssSigner(new RsaBlindedEngine(), new Sha1Digest())); + } + if (mechanism.Equals("SHA-224withRSAandMGF1")) + { + return (new PssSigner(new RsaBlindedEngine(), new Sha224Digest())); + } + if (mechanism.Equals("SHA-256withRSAandMGF1")) + { + return (new PssSigner(new RsaBlindedEngine(), new Sha256Digest())); + } + if (mechanism.Equals("SHA-384withRSAandMGF1")) + { + return (new PssSigner(new RsaBlindedEngine(), new Sha384Digest())); + } + if (mechanism.Equals("SHA-512withRSAandMGF1")) + { + return (new PssSigner(new RsaBlindedEngine(), new Sha512Digest())); + } + + if (mechanism.Equals("NONEwithDSA")) + { + return (new DsaDigestSigner(new DsaSigner(), new NullDigest())); + } + if (mechanism.Equals("SHA-1withDSA")) + { + return (new DsaDigestSigner(new DsaSigner(), new Sha1Digest())); + } + if (mechanism.Equals("SHA-224withDSA")) + { + return (new DsaDigestSigner(new DsaSigner(), new Sha224Digest())); + } + if (mechanism.Equals("SHA-256withDSA")) + { + return (new DsaDigestSigner(new DsaSigner(), new Sha256Digest())); + } + if (mechanism.Equals("SHA-384withDSA")) + { + return (new DsaDigestSigner(new DsaSigner(), new Sha384Digest())); + } + if (mechanism.Equals("SHA-512withDSA")) + { + return (new DsaDigestSigner(new DsaSigner(), new Sha512Digest())); + } + + if (mechanism.Equals("NONEwithECDSA")) + { + return (new DsaDigestSigner(new ECDsaSigner(), new NullDigest())); + } + if (mechanism.Equals("SHA-1withECDSA")) + { + return (new DsaDigestSigner(new ECDsaSigner(), new Sha1Digest())); + } + if (mechanism.Equals("SHA-224withECDSA")) + { + return (new DsaDigestSigner(new ECDsaSigner(), new Sha224Digest())); + } + if (mechanism.Equals("SHA-256withECDSA")) + { + return (new DsaDigestSigner(new ECDsaSigner(), new Sha256Digest())); + } + if (mechanism.Equals("SHA-384withECDSA")) + { + return (new DsaDigestSigner(new ECDsaSigner(), new Sha384Digest())); + } + if (mechanism.Equals("SHA-512withECDSA")) + { + return (new DsaDigestSigner(new ECDsaSigner(), new Sha512Digest())); + } + + if (mechanism.Equals("RIPEMD160withECDSA")) + { + return (new DsaDigestSigner(new ECDsaSigner(), new RipeMD160Digest())); + } + + if (mechanism.Equals("SHA1WITHECNR")) + { + return (new DsaDigestSigner(new ECNRSigner(), new Sha1Digest())); + } + if (mechanism.Equals("SHA224WITHECNR")) + { + return (new DsaDigestSigner(new ECNRSigner(), new Sha224Digest())); + } + if (mechanism.Equals("SHA256WITHECNR")) + { + return (new DsaDigestSigner(new ECNRSigner(), new Sha256Digest())); + } + if (mechanism.Equals("SHA384WITHECNR")) + { + return (new DsaDigestSigner(new ECNRSigner(), new Sha384Digest())); + } + if (mechanism.Equals("SHA512WITHECNR")) + { + return (new DsaDigestSigner(new ECNRSigner(), new Sha512Digest())); + } + + if (mechanism.Equals("GOST3410")) + { + return new Gost3410DigestSigner(new Gost3410Signer(), new Gost3411Digest()); + } + if (mechanism.Equals("ECGOST3410")) + { + return new Gost3410DigestSigner(new ECGost3410Signer(), new Gost3411Digest()); + } + + if (mechanism.Equals("SHA1WITHRSA/ISO9796-2")) + { + return new Iso9796d2Signer(new RsaBlindedEngine(), new Sha1Digest(), true); + } + if (mechanism.Equals("MD5WITHRSA/ISO9796-2")) + { + return new Iso9796d2Signer(new RsaBlindedEngine(), new MD5Digest(), true); + } + if (mechanism.Equals("RIPEMD160WITHRSA/ISO9796-2")) + { + return new Iso9796d2Signer(new RsaBlindedEngine(), new RipeMD160Digest(), true); + } + + throw new SecurityUtilityException("Signer " + algorithm + " not recognised."); + } + + public static string GetEncodingName( + DerObjectIdentifier oid) + { + return (string) algorithms[oid.Id]; + } + } +} diff --git a/crypto/src/security/WrapperUtilities.cs b/crypto/src/security/WrapperUtilities.cs new file mode 100644 index 000000000..ce31ea519 --- /dev/null +++ b/crypto/src/security/WrapperUtilities.cs @@ -0,0 +1,153 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.Kisa; +using Org.BouncyCastle.Asn1.Nist; +using Org.BouncyCastle.Asn1.Ntt; +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Engines; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Security +{ + /// <remarks> + /// Utility class for creating IWrapper objects from their names/Oids + /// </remarks> + public sealed class WrapperUtilities + { + private enum WrapAlgorithm { AESWRAP, CAMELLIAWRAP, DESEDEWRAP, RC2WRAP, SEEDWRAP, + DESEDERFC3211WRAP, AESRFC3211WRAP, CAMELLIARFC3211WRAP }; + + private WrapperUtilities() + { + } + + private static readonly IDictionary algorithms = Platform.CreateHashtable(); + //private static readonly IDictionary oids = Platform.CreateHashtable(); + + static WrapperUtilities() + { + // Signal to obfuscation tools not to change enum constants + ((WrapAlgorithm)Enums.GetArbitraryValue(typeof(WrapAlgorithm))).ToString(); + + algorithms[NistObjectIdentifiers.IdAes128Wrap.Id] = "AESWRAP"; + algorithms[NistObjectIdentifiers.IdAes192Wrap.Id] = "AESWRAP"; + algorithms[NistObjectIdentifiers.IdAes256Wrap.Id] = "AESWRAP"; + + algorithms[NttObjectIdentifiers.IdCamellia128Wrap.Id] = "CAMELLIAWRAP"; + algorithms[NttObjectIdentifiers.IdCamellia192Wrap.Id] = "CAMELLIAWRAP"; + algorithms[NttObjectIdentifiers.IdCamellia256Wrap.Id] = "CAMELLIAWRAP"; + + algorithms[PkcsObjectIdentifiers.IdAlgCms3DesWrap.Id] = "DESEDEWRAP"; + algorithms["TDEAWRAP"] = "DESEDEWRAP"; + + algorithms[PkcsObjectIdentifiers.IdAlgCmsRC2Wrap.Id] = "RC2WRAP"; + + algorithms[KisaObjectIdentifiers.IdNpkiAppCmsSeedWrap.Id] = "SEEDWRAP"; + } + + public static IWrapper GetWrapper( + DerObjectIdentifier oid) + { + return GetWrapper(oid.Id); + } + + public static IWrapper GetWrapper( + string algorithm) + { + string upper = Platform.ToUpperInvariant(algorithm); + string mechanism = (string)algorithms[upper]; + + if (mechanism == null) + { + mechanism = upper; + } + + try + { + WrapAlgorithm wrapAlgorithm = (WrapAlgorithm)Enums.GetEnumValue( + typeof(WrapAlgorithm), mechanism); + + switch (wrapAlgorithm) + { + case WrapAlgorithm.AESWRAP: return new AesWrapEngine(); + case WrapAlgorithm.CAMELLIAWRAP: return new CamelliaWrapEngine(); + case WrapAlgorithm.DESEDEWRAP: return new DesEdeWrapEngine(); + case WrapAlgorithm.RC2WRAP: return new RC2WrapEngine(); + case WrapAlgorithm.SEEDWRAP: return new SeedWrapEngine(); + case WrapAlgorithm.DESEDERFC3211WRAP: return new Rfc3211WrapEngine(new DesEdeEngine()); + case WrapAlgorithm.AESRFC3211WRAP: return new Rfc3211WrapEngine(new AesFastEngine()); + case WrapAlgorithm.CAMELLIARFC3211WRAP: return new Rfc3211WrapEngine(new CamelliaEngine()); + } + } + catch (ArgumentException) + { + } + + // Create an IBufferedCipher and use it as IWrapper (via BufferedCipherWrapper) + IBufferedCipher blockCipher = CipherUtilities.GetCipher(algorithm); + + if (blockCipher != null) + return new BufferedCipherWrapper(blockCipher); + + throw new SecurityUtilityException("Wrapper " + algorithm + " not recognised."); + } + + public static string GetAlgorithmName( + DerObjectIdentifier oid) + { + return (string) algorithms[oid.Id]; + } + + private class BufferedCipherWrapper + : IWrapper + { + private readonly IBufferedCipher cipher; + private bool forWrapping; + + public BufferedCipherWrapper( + IBufferedCipher cipher) + { + this.cipher = cipher; + } + + public string AlgorithmName + { + get { return cipher.AlgorithmName; } + } + + public void Init( + bool forWrapping, + ICipherParameters parameters) + { + this.forWrapping = forWrapping; + + cipher.Init(forWrapping, parameters); + } + + public byte[] Wrap( + byte[] input, + int inOff, + int length) + { + if (!forWrapping) + throw new InvalidOperationException("Not initialised for wrapping"); + + return cipher.DoFinal(input, inOff, length); + } + + public byte[] Unwrap( + byte[] input, + int inOff, + int length) + { + if (forWrapping) + throw new InvalidOperationException("Not initialised for unwrapping"); + + return cipher.DoFinal(input, inOff, length); + } + } + } +} diff --git a/crypto/src/security/cert/CertificateEncodingException.cs b/crypto/src/security/cert/CertificateEncodingException.cs new file mode 100644 index 000000000..a2909b0d5 --- /dev/null +++ b/crypto/src/security/cert/CertificateEncodingException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security.Certificates +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class CertificateEncodingException : CertificateException + { + public CertificateEncodingException() : base() { } + public CertificateEncodingException(string msg) : base(msg) { } + public CertificateEncodingException(string msg, Exception e) : base(msg, e) { } + } +} diff --git a/crypto/src/security/cert/CertificateException.cs b/crypto/src/security/cert/CertificateException.cs new file mode 100644 index 000000000..441c598e4 --- /dev/null +++ b/crypto/src/security/cert/CertificateException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security.Certificates +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class CertificateException : GeneralSecurityException + { + public CertificateException() : base() { } + public CertificateException(string message) : base(message) { } + public CertificateException(string message, Exception exception) : base(message, exception) { } + } +} diff --git a/crypto/src/security/cert/CertificateExpiredException.cs b/crypto/src/security/cert/CertificateExpiredException.cs new file mode 100644 index 000000000..c893c07ee --- /dev/null +++ b/crypto/src/security/cert/CertificateExpiredException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security.Certificates +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class CertificateExpiredException : CertificateException + { + public CertificateExpiredException() : base() { } + public CertificateExpiredException(string message) : base(message) { } + public CertificateExpiredException(string message, Exception exception) : base(message, exception) { } + } +} diff --git a/crypto/src/security/cert/CertificateNotYetValidException.cs b/crypto/src/security/cert/CertificateNotYetValidException.cs new file mode 100644 index 000000000..a0081ce23 --- /dev/null +++ b/crypto/src/security/cert/CertificateNotYetValidException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security.Certificates +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class CertificateNotYetValidException : CertificateException + { + public CertificateNotYetValidException() : base() { } + public CertificateNotYetValidException(string message) : base(message) { } + public CertificateNotYetValidException(string message, Exception exception) : base(message, exception) { } + } +} diff --git a/crypto/src/security/cert/CertificateParsingException.cs b/crypto/src/security/cert/CertificateParsingException.cs new file mode 100644 index 000000000..8d8ed1e92 --- /dev/null +++ b/crypto/src/security/cert/CertificateParsingException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security.Certificates +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class CertificateParsingException : CertificateException + { + public CertificateParsingException() : base() { } + public CertificateParsingException(string message) : base(message) { } + public CertificateParsingException(string message, Exception exception) : base(message, exception) { } + } +} diff --git a/crypto/src/security/cert/CrlException.cs b/crypto/src/security/cert/CrlException.cs new file mode 100644 index 000000000..0df007b1e --- /dev/null +++ b/crypto/src/security/cert/CrlException.cs @@ -0,0 +1,14 @@ +using System; + +namespace Org.BouncyCastle.Security.Certificates +{ +#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT) + [Serializable] +#endif + public class CrlException : GeneralSecurityException + { + public CrlException() : base() { } + public CrlException(string msg) : base(msg) {} + public CrlException(string msg, Exception e) : base(msg, e) {} + } +} |