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Andrey K. Choi
2025-10-09 09:57:24 +09:00
commit 4d551bd74f
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output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/X509/X509Utilities.cs Normal file
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using System;
using System.Collections;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.CryptoPro;
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.Asn1.X9;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Security;
using Org.BouncyCastle.Utilities;
using Org.BouncyCastle.Utilities.Collections;
namespace Org.BouncyCastle.X509;
internal class X509Utilities
{
private static readonly IDictionary algorithms;
private static readonly IDictionary exParams;
private static readonly ISet noParams;
static X509Utilities()
{
algorithms = Platform.CreateHashtable();
exParams = Platform.CreateHashtable();
noParams = new HashSet();
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("SHA1WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("SHA224WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("SHA256WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("SHA384WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("SHA512WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
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("SHA384WITHDSA", NistObjectIdentifiers.DsaWithSha384);
algorithms.Add("SHA512WITHDSA", NistObjectIdentifiers.DsaWithSha512);
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);
algorithms.Add("GOST3411WITHECGOST3410", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
algorithms.Add("GOST3411WITHECGOST3410-2001", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
algorithms.Add("GOST3411WITHGOST3410-2001", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
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);
noParams.Add(NistObjectIdentifiers.DsaWithSha384);
noParams.Add(NistObjectIdentifiers.DsaWithSha512);
noParams.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94);
noParams.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
AlgorithmIdentifier hashAlgId = new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1, DerNull.Instance);
exParams.Add("SHA1WITHRSAANDMGF1", CreatePssParams(hashAlgId, 20));
AlgorithmIdentifier hashAlgId2 = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha224, DerNull.Instance);
exParams.Add("SHA224WITHRSAANDMGF1", CreatePssParams(hashAlgId2, 28));
AlgorithmIdentifier hashAlgId3 = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha256, DerNull.Instance);
exParams.Add("SHA256WITHRSAANDMGF1", CreatePssParams(hashAlgId3, 32));
AlgorithmIdentifier hashAlgId4 = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha384, DerNull.Instance);
exParams.Add("SHA384WITHRSAANDMGF1", CreatePssParams(hashAlgId4, 48));
AlgorithmIdentifier hashAlgId5 = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha512, DerNull.Instance);
exParams.Add("SHA512WITHRSAANDMGF1", CreatePssParams(hashAlgId5, 64));
}
private static RsassaPssParameters CreatePssParams(AlgorithmIdentifier hashAlgId, int saltSize)
{
return new RsassaPssParameters(hashAlgId, new AlgorithmIdentifier(PkcsObjectIdentifiers.IdMgf1, hashAlgId), new DerInteger(saltSize), new DerInteger(1));
}
internal static DerObjectIdentifier GetAlgorithmOid(string algorithmName)
{
algorithmName = Platform.ToUpperInvariant(algorithmName);
if (algorithms.Contains(algorithmName))
{
return (DerObjectIdentifier)algorithms[algorithmName];
}
return new DerObjectIdentifier(algorithmName);
}
internal static AlgorithmIdentifier GetSigAlgID(DerObjectIdentifier sigOid, string algorithmName)
{
if (noParams.Contains(sigOid))
{
return new AlgorithmIdentifier(sigOid);
}
algorithmName = Platform.ToUpperInvariant(algorithmName);
if (exParams.Contains(algorithmName))
{
return new AlgorithmIdentifier(sigOid, (Asn1Encodable)exParams[algorithmName]);
}
return new AlgorithmIdentifier(sigOid, DerNull.Instance);
}
internal static IEnumerable GetAlgNames()
{
return new EnumerableProxy(algorithms.Keys);
}
internal static byte[] GetSignatureForObject(DerObjectIdentifier sigOid, string sigName, AsymmetricKeyParameter privateKey, SecureRandom random, Asn1Encodable ae)
{
if (sigOid == null)
{
throw new ArgumentNullException("sigOid");
}
ISigner signer = SignerUtilities.GetSigner(sigName);
if (random != null)
{
signer.Init(forSigning: true, new ParametersWithRandom(privateKey, random));
}
else
{
signer.Init(forSigning: true, privateKey);
}
byte[] derEncoded = ae.GetDerEncoded();
signer.BlockUpdate(derEncoded, 0, derEncoded.Length);
return signer.GenerateSignature();
}
}