OcspUtilities
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.CryptoPro;
using Org.BouncyCastle.Asn1.Nist;
using Org.BouncyCastle.Asn1.Ocsp;
using Org.BouncyCastle.Asn1.Oiw;
using Org.BouncyCastle.Asn1.Pkcs;
using Org.BouncyCastle.Asn1.TeleTrust;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Asn1.X9;
using Org.BouncyCastle.Utilities.Collections;
using Org.BouncyCastle.X509;
using Org.BouncyCastle.X509.Extension;
using System;
using System.Collections.Generic;
namespace Org.BouncyCastle.Ocsp
{
public static class OcspUtilities
{
private static readonly Dictionary<string, DerObjectIdentifier> Algorithms;
private static readonly Dictionary<DerObjectIdentifier, string> Oids;
private static readonly HashSet<DerObjectIdentifier> NoParams;
internal static IEnumerable<string> AlgNames => CollectionUtilities.Proxy(Algorithms.Keys);
static OcspUtilities()
{
Algorithms = new Dictionary<string, DerObjectIdentifier>(StringComparer.OrdinalIgnoreCase);
Oids = new Dictionary<DerObjectIdentifier, string>();
NoParams = new HashSet<DerObjectIdentifier>();
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("SHA-1WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
Algorithms.Add("SHA1WITHRSA", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
Algorithms.Add("SHA-1WITHRSA", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
Algorithms.Add("SHA224WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
Algorithms.Add("SHA-224WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
Algorithms.Add("SHA224WITHRSA", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
Algorithms.Add("SHA-224WITHRSA", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
Algorithms.Add("SHA256WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
Algorithms.Add("SHA-256WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
Algorithms.Add("SHA256WITHRSA", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
Algorithms.Add("SHA-256WITHRSA", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
Algorithms.Add("SHA384WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
Algorithms.Add("SHA-384WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
Algorithms.Add("SHA384WITHRSA", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
Algorithms.Add("SHA-384WITHRSA", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
Algorithms.Add("SHA512WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
Algorithms.Add("SHA-512WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
Algorithms.Add("SHA512WITHRSA", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
Algorithms.Add("SHA-512WITHRSA", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
Algorithms.Add("SHA512(224)WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
Algorithms.Add("SHA-512(224)WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
Algorithms.Add("SHA512(224)WITHRSA", PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
Algorithms.Add("SHA-512(224)WITHRSA", PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
Algorithms.Add("SHA512(256)WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
Algorithms.Add("SHA-512(256)WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
Algorithms.Add("SHA512(256)WITHRSA", PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
Algorithms.Add("SHA-512(256)WITHRSA", PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
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(PkcsObjectIdentifiers.Sha512_224WithRSAEncryption, "SHA512(224)WITHRSA");
Oids.Add(PkcsObjectIdentifiers.Sha512_256WithRSAEncryption, "SHA512(256)WITHRSA");
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");
Oids.Add(OiwObjectIdentifiers.MD5WithRsa, "MD5WITHRSA");
Oids.Add(OiwObjectIdentifiers.Sha1WithRsa, "SHA1WITHRSA");
Oids.Add(OiwObjectIdentifiers.DsaWithSha1, "SHA1WITHDSA");
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(OiwObjectIdentifiers.DsaWithSha1);
NoParams.Add(NistObjectIdentifiers.DsaWithSha224);
NoParams.Add(NistObjectIdentifiers.DsaWithSha256);
}
internal static DerObjectIdentifier GetAlgorithmOid(string algorithmName)
{
if (Algorithms.TryGetValue(algorithmName, out DerObjectIdentifier value))
return value;
return new DerObjectIdentifier(algorithmName);
}
internal static string GetAlgorithmName(DerObjectIdentifier oid)
{
if (Oids.TryGetValue(oid, out string value))
return value;
return oid.Id;
}
public static Asn1OctetString GetNonce(IX509Extension extension)
{
return extension.GetExtension(OcspObjectIdentifiers.PkixOcspNonce, Asn1OctetString.GetInstance);
}
internal static AlgorithmIdentifier GetSigAlgID(DerObjectIdentifier sigOid)
{
if (NoParams.Contains(sigOid))
return new AlgorithmIdentifier(sigOid);
return new AlgorithmIdentifier(sigOid, DerNull.Instance);
}
}
}