diff options
Diffstat (limited to 'crypto/src/security/DigestUtilities.cs')
| -rw-r--r-- | crypto/src/security/DigestUtilities.cs | 373 |
1 files changed, 176 insertions, 197 deletions
diff --git a/crypto/src/security/DigestUtilities.cs b/crypto/src/security/DigestUtilities.cs index c67dd8b72..2c9e89277 100644 --- a/crypto/src/security/DigestUtilities.cs +++ b/crypto/src/security/DigestUtilities.cs @@ -1,5 +1,5 @@ using System; -using System.Collections; +using System.Collections.Generic; using Org.BouncyCastle.Asn1; using Org.BouncyCastle.Asn1.CryptoPro; @@ -11,17 +11,17 @@ using Org.BouncyCastle.Asn1.Oiw; using Org.BouncyCastle.Asn1.Rosstandart; using Org.BouncyCastle.Asn1.TeleTrust; using Org.BouncyCastle.Asn1.UA; -using Org.BouncyCastle.Security; -using Org.BouncyCastle.Crypto.Digests; using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Digests; using Org.BouncyCastle.Utilities; +using Org.BouncyCastle.Utilities.Collections; namespace Org.BouncyCastle.Security { /// <remarks> /// Utility class for creating IDigest objects from their names/Oids /// </remarks> - public sealed class DigestUtilities + public static class DigestUtilities { private enum DigestAlgorithm { BLAKE2B_160, BLAKE2B_256, BLAKE2B_384, BLAKE2B_512, @@ -42,130 +42,128 @@ namespace Org.BouncyCastle.Security WHIRLPOOL, }; - private DigestUtilities() - { - } - - private static readonly IDictionary algorithms = Platform.CreateHashtable(); - private static readonly IDictionary oids = Platform.CreateHashtable(); + private static readonly IDictionary<string, string> Aliases = + new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase); + private static readonly IDictionary<string, DerObjectIdentifier> Oids = + new Dictionary<string, DerObjectIdentifier>(StringComparer.OrdinalIgnoreCase); 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[PkcsObjectIdentifiers.IdHmacWithSha1.Id] = "SHA-1"; - algorithms[MiscObjectIdentifiers.HMAC_SHA1.Id] = "SHA-1"; - algorithms["SHA224"] = "SHA-224"; - algorithms[NistObjectIdentifiers.IdSha224.Id] = "SHA-224"; - algorithms[PkcsObjectIdentifiers.IdHmacWithSha224.Id] = "SHA-224"; - algorithms["SHA256"] = "SHA-256"; - algorithms[NistObjectIdentifiers.IdSha256.Id] = "SHA-256"; - algorithms[PkcsObjectIdentifiers.IdHmacWithSha256.Id] = "SHA-256"; - algorithms["SHA384"] = "SHA-384"; - algorithms[NistObjectIdentifiers.IdSha384.Id] = "SHA-384"; - algorithms[PkcsObjectIdentifiers.IdHmacWithSha384.Id] = "SHA-384"; - algorithms["SHA512"] = "SHA-512"; - algorithms[NistObjectIdentifiers.IdSha512.Id] = "SHA-512"; - algorithms[PkcsObjectIdentifiers.IdHmacWithSha512.Id] = "SHA-512"; - - algorithms["SHA512/224"] = "SHA-512/224"; - algorithms["SHA512(224)"] = "SHA-512/224"; - algorithms["SHA-512(224)"] = "SHA-512/224"; - algorithms[NistObjectIdentifiers.IdSha512_224.Id] = "SHA-512/224"; - algorithms["SHA512/256"] = "SHA-512/256"; - algorithms["SHA512(256)"] = "SHA-512/256"; - algorithms["SHA-512(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"; - - algorithms["KECCAK224"] = "KECCAK-224"; - algorithms["KECCAK256"] = "KECCAK-256"; - algorithms["KECCAK288"] = "KECCAK-288"; - algorithms["KECCAK384"] = "KECCAK-384"; - algorithms["KECCAK512"] = "KECCAK-512"; - - algorithms[NistObjectIdentifiers.IdSha3_224.Id] = "SHA3-224"; - algorithms[NistObjectIdentifiers.IdHMacWithSha3_224.Id] = "SHA3-224"; - algorithms[NistObjectIdentifiers.IdSha3_256.Id] = "SHA3-256"; - algorithms[NistObjectIdentifiers.IdHMacWithSha3_256.Id] = "SHA3-256"; - algorithms[NistObjectIdentifiers.IdSha3_384.Id] = "SHA3-384"; - algorithms[NistObjectIdentifiers.IdHMacWithSha3_384.Id] = "SHA3-384"; - algorithms[NistObjectIdentifiers.IdSha3_512.Id] = "SHA3-512"; - algorithms[NistObjectIdentifiers.IdHMacWithSha3_512.Id] = "SHA3-512"; - algorithms["SHAKE128"] = "SHAKE128-256"; - algorithms[NistObjectIdentifiers.IdShake128.Id] = "SHAKE128-256"; - algorithms["SHAKE256"] = "SHAKE256-512"; - algorithms[NistObjectIdentifiers.IdShake256.Id] = "SHAKE256-512"; - - algorithms[GMObjectIdentifiers.sm3.Id] = "SM3"; - - algorithms[MiscObjectIdentifiers.id_blake2b160.Id] = "BLAKE2B-160"; - algorithms[MiscObjectIdentifiers.id_blake2b256.Id] = "BLAKE2B-256"; - algorithms[MiscObjectIdentifiers.id_blake2b384.Id] = "BLAKE2B-384"; - algorithms[MiscObjectIdentifiers.id_blake2b512.Id] = "BLAKE2B-512"; - algorithms[MiscObjectIdentifiers.id_blake2s128.Id] = "BLAKE2S-128"; - algorithms[MiscObjectIdentifiers.id_blake2s160.Id] = "BLAKE2S-160"; - algorithms[MiscObjectIdentifiers.id_blake2s224.Id] = "BLAKE2S-224"; - algorithms[MiscObjectIdentifiers.id_blake2s256.Id] = "BLAKE2S-256"; - - algorithms[RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256.Id] = "GOST3411-2012-256"; - algorithms[RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512.Id] = "GOST3411-2012-512"; - - algorithms[UAObjectIdentifiers.dstu7564digest_256.Id] = "DSTU7564-256"; - algorithms[UAObjectIdentifiers.dstu7564digest_384.Id] = "DSTU7564-384"; - algorithms[UAObjectIdentifiers.dstu7564digest_512.Id] = "DSTU7564-512"; - - 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["SHA3-224"] = NistObjectIdentifiers.IdSha3_224; - oids["SHA3-256"] = NistObjectIdentifiers.IdSha3_256; - oids["SHA3-384"] = NistObjectIdentifiers.IdSha3_384; - oids["SHA3-512"] = NistObjectIdentifiers.IdSha3_512; - oids["SHAKE128-256"] = NistObjectIdentifiers.IdShake128; - oids["SHAKE256-512"] = NistObjectIdentifiers.IdShake256; - oids["RIPEMD128"] = TeleTrusTObjectIdentifiers.RipeMD128; - oids["RIPEMD160"] = TeleTrusTObjectIdentifiers.RipeMD160; - oids["RIPEMD256"] = TeleTrusTObjectIdentifiers.RipeMD256; - oids["GOST3411"] = CryptoProObjectIdentifiers.GostR3411; - oids["SM3"] = GMObjectIdentifiers.sm3; - oids["BLAKE2B-160"] = MiscObjectIdentifiers.id_blake2b160; - oids["BLAKE2B-256"] = MiscObjectIdentifiers.id_blake2b256; - oids["BLAKE2B-384"] = MiscObjectIdentifiers.id_blake2b384; - oids["BLAKE2B-512"] = MiscObjectIdentifiers.id_blake2b512; - oids["BLAKE2S-128"] = MiscObjectIdentifiers.id_blake2s128; - oids["BLAKE2S-160"] = MiscObjectIdentifiers.id_blake2s160; - oids["BLAKE2S-224"] = MiscObjectIdentifiers.id_blake2s224; - oids["BLAKE2S-256"] = MiscObjectIdentifiers.id_blake2s256; - oids["GOST3411-2012-256"] = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256; - oids["GOST3411-2012-512"] = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512; - oids["DSTU7564-256"] = UAObjectIdentifiers.dstu7564digest_256; - oids["DSTU7564-384"] = UAObjectIdentifiers.dstu7564digest_384; - oids["DSTU7564-512"] = UAObjectIdentifiers.dstu7564digest_512; + Aliases[PkcsObjectIdentifiers.MD2.Id] = "MD2"; + Aliases[PkcsObjectIdentifiers.MD4.Id] = "MD4"; + Aliases[PkcsObjectIdentifiers.MD5.Id] = "MD5"; + + Aliases["SHA1"] = "SHA-1"; + Aliases[OiwObjectIdentifiers.IdSha1.Id] = "SHA-1"; + Aliases[PkcsObjectIdentifiers.IdHmacWithSha1.Id] = "SHA-1"; + Aliases[MiscObjectIdentifiers.HMAC_SHA1.Id] = "SHA-1"; + Aliases["SHA224"] = "SHA-224"; + Aliases[NistObjectIdentifiers.IdSha224.Id] = "SHA-224"; + Aliases[PkcsObjectIdentifiers.IdHmacWithSha224.Id] = "SHA-224"; + Aliases["SHA256"] = "SHA-256"; + Aliases[NistObjectIdentifiers.IdSha256.Id] = "SHA-256"; + Aliases[PkcsObjectIdentifiers.IdHmacWithSha256.Id] = "SHA-256"; + Aliases["SHA384"] = "SHA-384"; + Aliases[NistObjectIdentifiers.IdSha384.Id] = "SHA-384"; + Aliases[PkcsObjectIdentifiers.IdHmacWithSha384.Id] = "SHA-384"; + Aliases["SHA512"] = "SHA-512"; + Aliases[NistObjectIdentifiers.IdSha512.Id] = "SHA-512"; + Aliases[PkcsObjectIdentifiers.IdHmacWithSha512.Id] = "SHA-512"; + + Aliases["SHA512/224"] = "SHA-512/224"; + Aliases["SHA512(224)"] = "SHA-512/224"; + Aliases["SHA-512(224)"] = "SHA-512/224"; + Aliases[NistObjectIdentifiers.IdSha512_224.Id] = "SHA-512/224"; + Aliases["SHA512/256"] = "SHA-512/256"; + Aliases["SHA512(256)"] = "SHA-512/256"; + Aliases["SHA-512(256)"] = "SHA-512/256"; + Aliases[NistObjectIdentifiers.IdSha512_256.Id] = "SHA-512/256"; + + Aliases["RIPEMD-128"] = "RIPEMD128"; + Aliases[TeleTrusTObjectIdentifiers.RipeMD128.Id] = "RIPEMD128"; + Aliases["RIPEMD-160"] = "RIPEMD160"; + Aliases[TeleTrusTObjectIdentifiers.RipeMD160.Id] = "RIPEMD160"; + Aliases["RIPEMD-256"] = "RIPEMD256"; + Aliases[TeleTrusTObjectIdentifiers.RipeMD256.Id] = "RIPEMD256"; + Aliases["RIPEMD-320"] = "RIPEMD320"; + //Aliases[TeleTrusTObjectIdentifiers.RipeMD320.Id] = "RIPEMD320"; + + Aliases[CryptoProObjectIdentifiers.GostR3411.Id] = "GOST3411"; + + Aliases["KECCAK224"] = "KECCAK-224"; + Aliases["KECCAK256"] = "KECCAK-256"; + Aliases["KECCAK288"] = "KECCAK-288"; + Aliases["KECCAK384"] = "KECCAK-384"; + Aliases["KECCAK512"] = "KECCAK-512"; + + Aliases[NistObjectIdentifiers.IdSha3_224.Id] = "SHA3-224"; + Aliases[NistObjectIdentifiers.IdHMacWithSha3_224.Id] = "SHA3-224"; + Aliases[NistObjectIdentifiers.IdSha3_256.Id] = "SHA3-256"; + Aliases[NistObjectIdentifiers.IdHMacWithSha3_256.Id] = "SHA3-256"; + Aliases[NistObjectIdentifiers.IdSha3_384.Id] = "SHA3-384"; + Aliases[NistObjectIdentifiers.IdHMacWithSha3_384.Id] = "SHA3-384"; + Aliases[NistObjectIdentifiers.IdSha3_512.Id] = "SHA3-512"; + Aliases[NistObjectIdentifiers.IdHMacWithSha3_512.Id] = "SHA3-512"; + Aliases["SHAKE128"] = "SHAKE128-256"; + Aliases[NistObjectIdentifiers.IdShake128.Id] = "SHAKE128-256"; + Aliases["SHAKE256"] = "SHAKE256-512"; + Aliases[NistObjectIdentifiers.IdShake256.Id] = "SHAKE256-512"; + + Aliases[GMObjectIdentifiers.sm3.Id] = "SM3"; + + Aliases[MiscObjectIdentifiers.id_blake2b160.Id] = "BLAKE2B-160"; + Aliases[MiscObjectIdentifiers.id_blake2b256.Id] = "BLAKE2B-256"; + Aliases[MiscObjectIdentifiers.id_blake2b384.Id] = "BLAKE2B-384"; + Aliases[MiscObjectIdentifiers.id_blake2b512.Id] = "BLAKE2B-512"; + Aliases[MiscObjectIdentifiers.id_blake2s128.Id] = "BLAKE2S-128"; + Aliases[MiscObjectIdentifiers.id_blake2s160.Id] = "BLAKE2S-160"; + Aliases[MiscObjectIdentifiers.id_blake2s224.Id] = "BLAKE2S-224"; + Aliases[MiscObjectIdentifiers.id_blake2s256.Id] = "BLAKE2S-256"; + + Aliases[RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256.Id] = "GOST3411-2012-256"; + Aliases[RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512.Id] = "GOST3411-2012-512"; + + Aliases[UAObjectIdentifiers.dstu7564digest_256.Id] = "DSTU7564-256"; + Aliases[UAObjectIdentifiers.dstu7564digest_384.Id] = "DSTU7564-384"; + Aliases[UAObjectIdentifiers.dstu7564digest_512.Id] = "DSTU7564-512"; + + 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["SHA3-224"] = NistObjectIdentifiers.IdSha3_224; + Oids["SHA3-256"] = NistObjectIdentifiers.IdSha3_256; + Oids["SHA3-384"] = NistObjectIdentifiers.IdSha3_384; + Oids["SHA3-512"] = NistObjectIdentifiers.IdSha3_512; + Oids["SHAKE128-256"] = NistObjectIdentifiers.IdShake128; + Oids["SHAKE256-512"] = NistObjectIdentifiers.IdShake256; + Oids["RIPEMD128"] = TeleTrusTObjectIdentifiers.RipeMD128; + Oids["RIPEMD160"] = TeleTrusTObjectIdentifiers.RipeMD160; + Oids["RIPEMD256"] = TeleTrusTObjectIdentifiers.RipeMD256; + Oids["GOST3411"] = CryptoProObjectIdentifiers.GostR3411; + Oids["SM3"] = GMObjectIdentifiers.sm3; + Oids["BLAKE2B-160"] = MiscObjectIdentifiers.id_blake2b160; + Oids["BLAKE2B-256"] = MiscObjectIdentifiers.id_blake2b256; + Oids["BLAKE2B-384"] = MiscObjectIdentifiers.id_blake2b384; + Oids["BLAKE2B-512"] = MiscObjectIdentifiers.id_blake2b512; + Oids["BLAKE2S-128"] = MiscObjectIdentifiers.id_blake2s128; + Oids["BLAKE2S-160"] = MiscObjectIdentifiers.id_blake2s160; + Oids["BLAKE2S-224"] = MiscObjectIdentifiers.id_blake2s224; + Oids["BLAKE2S-256"] = MiscObjectIdentifiers.id_blake2s256; + Oids["GOST3411-2012-256"] = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256; + Oids["GOST3411-2012-512"] = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512; + Oids["DSTU7564-256"] = UAObjectIdentifiers.dstu7564digest_256; + Oids["DSTU7564-384"] = UAObjectIdentifiers.dstu7564digest_384; + Oids["DSTU7564-512"] = UAObjectIdentifiers.dstu7564digest_512; } /// <summary> @@ -174,42 +172,27 @@ namespace Org.BouncyCastle.Security /// <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) + public static DerObjectIdentifier GetObjectIdentifier(string mechanism) { if (mechanism == null) - throw new System.ArgumentNullException("mechanism"); - - mechanism = Platform.ToUpperInvariant(mechanism); - string aliased = (string) algorithms[mechanism]; + throw new ArgumentNullException(nameof(mechanism)); - if (aliased != null) - mechanism = aliased; + mechanism = CollectionUtilities.GetValueOrKey(Aliases, mechanism).ToUpperInvariant(); - return (DerObjectIdentifier) oids[mechanism]; + return CollectionUtilities.GetValueOrNull(Oids, mechanism); } - public static ICollection Algorithms - { - get { return oids.Keys; } - } - - public static IDigest GetDigest( - DerObjectIdentifier id) + public static IDigest GetDigest(DerObjectIdentifier id) { return GetDigest(id.Id); } - public static IDigest GetDigest( - string algorithm) + public static IDigest GetDigest(string algorithm) { - string upper = Platform.ToUpperInvariant(algorithm); - string mechanism = (string) algorithms[upper]; + if (algorithm == null) + throw new ArgumentNullException(nameof(algorithm)); - if (mechanism == null) - { - mechanism = upper; - } + string mechanism = CollectionUtilities.GetValueOrKey(Aliases, algorithm).ToUpperInvariant(); try { @@ -218,49 +201,49 @@ namespace Org.BouncyCastle.Security switch (digestAlgorithm) { - case DigestAlgorithm.BLAKE2B_160: return new Blake2bDigest(160); - case DigestAlgorithm.BLAKE2B_256: return new Blake2bDigest(256); - case DigestAlgorithm.BLAKE2B_384: return new Blake2bDigest(384); - case DigestAlgorithm.BLAKE2B_512: return new Blake2bDigest(512); - case DigestAlgorithm.BLAKE2S_128: return new Blake2sDigest(128); - case DigestAlgorithm.BLAKE2S_160: return new Blake2sDigest(160); - case DigestAlgorithm.BLAKE2S_224: return new Blake2sDigest(224); - case DigestAlgorithm.BLAKE2S_256: return new Blake2sDigest(256); - case DigestAlgorithm.DSTU7564_256: return new Dstu7564Digest(256); - case DigestAlgorithm.DSTU7564_384: return new Dstu7564Digest(384); - case DigestAlgorithm.DSTU7564_512: return new Dstu7564Digest(512); - case DigestAlgorithm.GOST3411: return new Gost3411Digest(); - case DigestAlgorithm.GOST3411_2012_256: return new Gost3411_2012_256Digest(); - case DigestAlgorithm.GOST3411_2012_512: return new Gost3411_2012_512Digest(); - case DigestAlgorithm.KECCAK_224: return new KeccakDigest(224); - case DigestAlgorithm.KECCAK_256: return new KeccakDigest(256); - case DigestAlgorithm.KECCAK_288: return new KeccakDigest(288); - case DigestAlgorithm.KECCAK_384: return new KeccakDigest(384); - case DigestAlgorithm.KECCAK_512: return new KeccakDigest(512); - case DigestAlgorithm.MD2: return new MD2Digest(); - case DigestAlgorithm.MD4: return new MD4Digest(); - case DigestAlgorithm.MD5: return new MD5Digest(); - case DigestAlgorithm.NONE: return new NullDigest(); - 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.SHAKE128_256: return new ShakeDigest(128); - case DigestAlgorithm.SHAKE256_512: return new ShakeDigest(256); - case DigestAlgorithm.SM3: return new SM3Digest(); - case DigestAlgorithm.TIGER: return new TigerDigest(); - case DigestAlgorithm.WHIRLPOOL: return new WhirlpoolDigest(); + case DigestAlgorithm.BLAKE2B_160: return new Blake2bDigest(160); + case DigestAlgorithm.BLAKE2B_256: return new Blake2bDigest(256); + case DigestAlgorithm.BLAKE2B_384: return new Blake2bDigest(384); + case DigestAlgorithm.BLAKE2B_512: return new Blake2bDigest(512); + case DigestAlgorithm.BLAKE2S_128: return new Blake2sDigest(128); + case DigestAlgorithm.BLAKE2S_160: return new Blake2sDigest(160); + case DigestAlgorithm.BLAKE2S_224: return new Blake2sDigest(224); + case DigestAlgorithm.BLAKE2S_256: return new Blake2sDigest(256); + case DigestAlgorithm.DSTU7564_256: return new Dstu7564Digest(256); + case DigestAlgorithm.DSTU7564_384: return new Dstu7564Digest(384); + case DigestAlgorithm.DSTU7564_512: return new Dstu7564Digest(512); + case DigestAlgorithm.GOST3411: return new Gost3411Digest(); + case DigestAlgorithm.GOST3411_2012_256: return new Gost3411_2012_256Digest(); + case DigestAlgorithm.GOST3411_2012_512: return new Gost3411_2012_512Digest(); + case DigestAlgorithm.KECCAK_224: return new KeccakDigest(224); + case DigestAlgorithm.KECCAK_256: return new KeccakDigest(256); + case DigestAlgorithm.KECCAK_288: return new KeccakDigest(288); + case DigestAlgorithm.KECCAK_384: return new KeccakDigest(384); + case DigestAlgorithm.KECCAK_512: return new KeccakDigest(512); + case DigestAlgorithm.MD2: return new MD2Digest(); + case DigestAlgorithm.MD4: return new MD4Digest(); + case DigestAlgorithm.MD5: return new MD5Digest(); + case DigestAlgorithm.NONE: return new NullDigest(); + 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.SHAKE128_256: return new ShakeDigest(128); + case DigestAlgorithm.SHAKE256_512: return new ShakeDigest(256); + case DigestAlgorithm.SM3: return new SM3Digest(); + case DigestAlgorithm.TIGER: return new TigerDigest(); + case DigestAlgorithm.WHIRLPOOL: return new WhirlpoolDigest(); } } catch (ArgumentException) @@ -270,10 +253,9 @@ namespace Org.BouncyCastle.Security throw new SecurityUtilityException("Digest " + mechanism + " not recognised."); } - public static string GetAlgorithmName( - DerObjectIdentifier oid) + public static string GetAlgorithmName(DerObjectIdentifier oid) { - return (string) algorithms[oid.Id]; + return CollectionUtilities.GetValueOrNull(Aliases, oid.Id); } public static byte[] CalculateDigest(DerObjectIdentifier id, byte[] input) @@ -288,17 +270,14 @@ namespace Org.BouncyCastle.Security return DoFinal(digest); } - public static byte[] DoFinal( - IDigest 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) + public static byte[] DoFinal(IDigest digest, byte[] input) { digest.BlockUpdate(input, 0, input.Length); return DoFinal(digest); |