diff options
Diffstat (limited to 'crypto/src/security/MacUtilities.cs')
| -rw-r--r-- | crypto/src/security/MacUtilities.cs | 407 |
1 files changed, 207 insertions, 200 deletions
diff --git a/crypto/src/security/MacUtilities.cs b/crypto/src/security/MacUtilities.cs index 8550d7550..d1f8c89b4 100644 --- a/crypto/src/security/MacUtilities.cs +++ b/crypto/src/security/MacUtilities.cs @@ -1,5 +1,4 @@ using System.Collections; -using System.Globalization; using Org.BouncyCastle.Asn1; using Org.BouncyCastle.Asn1.Iana; @@ -12,64 +11,65 @@ 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(); + /// <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["PBEWITHHMACSHA"] = "PBEWITHHMACSHA1"; - algorithms["1.3.14.3.2.26"] = "PBEWITHHMACSHA1"; - } + 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. @@ -79,7 +79,7 @@ namespace Org.BouncyCastle.Security // public static DerObjectIdentifier GetObjectIdentifier( // string mechanism) // { -// mechanism = (string) algorithms[mechanism.ToUpperInvariant()]; +// mechanism = (string) algorithms[Platform.ToUpperInvariant(mechanism)]; // // if (mechanism != null) // { @@ -94,146 +94,153 @@ namespace Org.BouncyCastle.Security // get { return oids.Keys; } // } - public static IMac GetMac( - DerObjectIdentifier id) - { - return GetMac(id.Id); - } - - public static IMac GetMac( - string algorithm) - { - string upper = algorithm.ToUpperInvariant(); - - 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(); - } - 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; - } - } + 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 (mechanism == "IDEAMAC") + { + return new CbcBlockCipherMac(new IdeaEngine()); + } + if (mechanism == "IDEAMAC/CFB8") + { + return new CfbBlockCipherMac(new IdeaEngine()); + } + 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; + } + + public static byte[] DoFinal(IMac mac, byte[] input) + { + mac.BlockUpdate(input, 0, input.Length); + return DoFinal(mac); + } + } } |