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Diffstat (limited to 'Crypto/src/ocsp/OCSPUtil.cs')
| -rw-r--r-- | Crypto/src/ocsp/OCSPUtil.cs | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/Crypto/src/ocsp/OCSPUtil.cs b/Crypto/src/ocsp/OCSPUtil.cs new file mode 100644 index 000000000..dad56dc39 --- /dev/null +++ b/Crypto/src/ocsp/OCSPUtil.cs @@ -0,0 +1,133 @@ +using System; +using System.Collections; +using System.Globalization; + +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.Utilities; +using Org.BouncyCastle.Utilities.Collections; + +namespace Org.BouncyCastle.Ocsp +{ + class OcspUtilities + { + private static readonly IDictionary algorithms = Platform.CreateHashtable(); + private static readonly IDictionary oids = Platform.CreateHashtable(); + private static readonly ISet noParams = new HashSet(); + + static OcspUtilities() + { + algorithms.Add("MD2WITHRSAENCRYPTION", PkcsObjectIdentifiers.MD2WithRsaEncryption); + algorithms.Add("MD2WITHRSA", PkcsObjectIdentifiers.MD2WithRsaEncryption); + algorithms.Add("MD5WITHRSAENCRYPTION", PkcsObjectIdentifiers.MD5WithRsaEncryption); + algorithms.Add("MD5WITHRSA", PkcsObjectIdentifiers.MD5WithRsaEncryption); + algorithms.Add("SHA1WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha1WithRsaEncryption); + algorithms.Add("SHA1WITHRSA", PkcsObjectIdentifiers.Sha1WithRsaEncryption); + algorithms.Add("SHA224WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha224WithRsaEncryption); + algorithms.Add("SHA224WITHRSA", PkcsObjectIdentifiers.Sha224WithRsaEncryption); + algorithms.Add("SHA256WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha256WithRsaEncryption); + algorithms.Add("SHA256WITHRSA", PkcsObjectIdentifiers.Sha256WithRsaEncryption); + algorithms.Add("SHA384WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha384WithRsaEncryption); + algorithms.Add("SHA384WITHRSA", PkcsObjectIdentifiers.Sha384WithRsaEncryption); + algorithms.Add("SHA512WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512WithRsaEncryption); + algorithms.Add("SHA512WITHRSA", PkcsObjectIdentifiers.Sha512WithRsaEncryption); + algorithms.Add("RIPEMD160WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160); + algorithms.Add("RIPEMD160WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160); + algorithms.Add("RIPEMD128WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128); + algorithms.Add("RIPEMD128WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128); + algorithms.Add("RIPEMD256WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256); + algorithms.Add("RIPEMD256WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256); + algorithms.Add("SHA1WITHDSA", X9ObjectIdentifiers.IdDsaWithSha1); + algorithms.Add("DSAWITHSHA1", X9ObjectIdentifiers.IdDsaWithSha1); + algorithms.Add("SHA224WITHDSA", NistObjectIdentifiers.DsaWithSha224); + algorithms.Add("SHA256WITHDSA", NistObjectIdentifiers.DsaWithSha256); + algorithms.Add("SHA1WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha1); + algorithms.Add("ECDSAWITHSHA1", X9ObjectIdentifiers.ECDsaWithSha1); + algorithms.Add("SHA224WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha224); + algorithms.Add("SHA256WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha256); + algorithms.Add("SHA384WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha384); + algorithms.Add("SHA512WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha512); + algorithms.Add("GOST3411WITHGOST3410", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94); + algorithms.Add("GOST3411WITHGOST3410-94", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94); + + oids.Add(PkcsObjectIdentifiers.MD2WithRsaEncryption, "MD2WITHRSA"); + oids.Add(PkcsObjectIdentifiers.MD5WithRsaEncryption, "MD5WITHRSA"); + oids.Add(PkcsObjectIdentifiers.Sha1WithRsaEncryption, "SHA1WITHRSA"); + oids.Add(PkcsObjectIdentifiers.Sha224WithRsaEncryption, "SHA224WITHRSA"); + oids.Add(PkcsObjectIdentifiers.Sha256WithRsaEncryption, "SHA256WITHRSA"); + oids.Add(PkcsObjectIdentifiers.Sha384WithRsaEncryption, "SHA384WITHRSA"); + oids.Add(PkcsObjectIdentifiers.Sha512WithRsaEncryption, "SHA512WITHRSA"); + oids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160, "RIPEMD160WITHRSA"); + oids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128, "RIPEMD128WITHRSA"); + oids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256, "RIPEMD256WITHRSA"); + oids.Add(X9ObjectIdentifiers.IdDsaWithSha1, "SHA1WITHDSA"); + oids.Add(NistObjectIdentifiers.DsaWithSha224, "SHA224WITHDSA"); + oids.Add(NistObjectIdentifiers.DsaWithSha256, "SHA256WITHDSA"); + oids.Add(X9ObjectIdentifiers.ECDsaWithSha1, "SHA1WITHECDSA"); + oids.Add(X9ObjectIdentifiers.ECDsaWithSha224, "SHA224WITHECDSA"); + oids.Add(X9ObjectIdentifiers.ECDsaWithSha256, "SHA256WITHECDSA"); + oids.Add(X9ObjectIdentifiers.ECDsaWithSha384, "SHA384WITHECDSA"); + oids.Add(X9ObjectIdentifiers.ECDsaWithSha512, "SHA512WITHECDSA"); + oids.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94, "GOST3411WITHGOST3410"); + + // + // According to RFC 3279, the ASN.1 encoding SHALL (id-dsa-with-sha1) or MUST (ecdsa-with-SHA*) omit the parameters field. + // The parameters field SHALL be NULL for RSA based signature algorithms. + // + noParams.Add(X9ObjectIdentifiers.ECDsaWithSha1); + noParams.Add(X9ObjectIdentifiers.ECDsaWithSha224); + noParams.Add(X9ObjectIdentifiers.ECDsaWithSha256); + noParams.Add(X9ObjectIdentifiers.ECDsaWithSha384); + noParams.Add(X9ObjectIdentifiers.ECDsaWithSha512); + noParams.Add(X9ObjectIdentifiers.IdDsaWithSha1); + noParams.Add(NistObjectIdentifiers.DsaWithSha224); + noParams.Add(NistObjectIdentifiers.DsaWithSha256); + } + + internal static DerObjectIdentifier GetAlgorithmOid( + string algorithmName) + { + algorithmName = algorithmName.ToUpperInvariant(); + + if (algorithms.Contains(algorithmName)) + { + return (DerObjectIdentifier)algorithms[algorithmName]; + } + + return new DerObjectIdentifier(algorithmName); + } + + + internal static string GetAlgorithmName( + DerObjectIdentifier oid) + { + if (oids.Contains(oid)) + { + return (string)oids[oid]; + } + + return oid.Id; + } + + internal static AlgorithmIdentifier GetSigAlgID( + DerObjectIdentifier sigOid) + { + if (noParams.Contains(sigOid)) + { + return new AlgorithmIdentifier(sigOid); + } + + return new AlgorithmIdentifier(sigOid, DerNull.Instance); + } + + internal static IEnumerable AlgNames + { + get { return new EnumerableProxy(algorithms.Keys); } + } + } +} |