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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/Cms/DefaultDigestAlgorithmIdentifierFinder.cs Normal file
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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.Utilities;
namespace Org.BouncyCastle.Cms;
public class DefaultDigestAlgorithmIdentifierFinder
{
private static readonly IDictionary digestOids;
private static readonly IDictionary digestNameToOids;
static DefaultDigestAlgorithmIdentifierFinder()
{
digestOids = Platform.CreateHashtable();
digestNameToOids = Platform.CreateHashtable();
digestOids.Add(OiwObjectIdentifiers.MD4WithRsaEncryption, PkcsObjectIdentifiers.MD4);
digestOids.Add(OiwObjectIdentifiers.MD4WithRsa, PkcsObjectIdentifiers.MD4);
digestOids.Add(OiwObjectIdentifiers.MD5WithRsa, PkcsObjectIdentifiers.MD5);
digestOids.Add(OiwObjectIdentifiers.Sha1WithRsa, OiwObjectIdentifiers.IdSha1);
digestOids.Add(OiwObjectIdentifiers.DsaWithSha1, OiwObjectIdentifiers.IdSha1);
digestOids.Add(PkcsObjectIdentifiers.Sha224WithRsaEncryption, NistObjectIdentifiers.IdSha224);
digestOids.Add(PkcsObjectIdentifiers.Sha256WithRsaEncryption, NistObjectIdentifiers.IdSha256);
digestOids.Add(PkcsObjectIdentifiers.Sha384WithRsaEncryption, NistObjectIdentifiers.IdSha384);
digestOids.Add(PkcsObjectIdentifiers.Sha512WithRsaEncryption, NistObjectIdentifiers.IdSha512);
digestOids.Add(PkcsObjectIdentifiers.MD2WithRsaEncryption, PkcsObjectIdentifiers.MD2);
digestOids.Add(PkcsObjectIdentifiers.MD4WithRsaEncryption, PkcsObjectIdentifiers.MD4);
digestOids.Add(PkcsObjectIdentifiers.MD5WithRsaEncryption, PkcsObjectIdentifiers.MD5);
digestOids.Add(PkcsObjectIdentifiers.Sha1WithRsaEncryption, OiwObjectIdentifiers.IdSha1);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha1, OiwObjectIdentifiers.IdSha1);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha224, NistObjectIdentifiers.IdSha224);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha256, NistObjectIdentifiers.IdSha256);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha384, NistObjectIdentifiers.IdSha384);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha512, NistObjectIdentifiers.IdSha512);
digestOids.Add(X9ObjectIdentifiers.IdDsaWithSha1, OiwObjectIdentifiers.IdSha1);
digestOids.Add(NistObjectIdentifiers.DsaWithSha224, NistObjectIdentifiers.IdSha224);
digestOids.Add(NistObjectIdentifiers.DsaWithSha256, NistObjectIdentifiers.IdSha256);
digestOids.Add(NistObjectIdentifiers.DsaWithSha384, NistObjectIdentifiers.IdSha384);
digestOids.Add(NistObjectIdentifiers.DsaWithSha512, NistObjectIdentifiers.IdSha512);
digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128, TeleTrusTObjectIdentifiers.RipeMD128);
digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160, TeleTrusTObjectIdentifiers.RipeMD160);
digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256, TeleTrusTObjectIdentifiers.RipeMD256);
digestOids.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94, CryptoProObjectIdentifiers.GostR3411);
digestOids.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001, CryptoProObjectIdentifiers.GostR3411);
digestNameToOids.Add("SHA-1", OiwObjectIdentifiers.IdSha1);
digestNameToOids.Add("SHA-224", NistObjectIdentifiers.IdSha224);
digestNameToOids.Add("SHA-256", NistObjectIdentifiers.IdSha256);
digestNameToOids.Add("SHA-384", NistObjectIdentifiers.IdSha384);
digestNameToOids.Add("SHA-512", NistObjectIdentifiers.IdSha512);
digestNameToOids.Add("SHA1", OiwObjectIdentifiers.IdSha1);
digestNameToOids.Add("SHA224", NistObjectIdentifiers.IdSha224);
digestNameToOids.Add("SHA256", NistObjectIdentifiers.IdSha256);
digestNameToOids.Add("SHA384", NistObjectIdentifiers.IdSha384);
digestNameToOids.Add("SHA512", NistObjectIdentifiers.IdSha512);
digestNameToOids.Add("SHA3-224", NistObjectIdentifiers.IdSha3_224);
digestNameToOids.Add("SHA3-256", NistObjectIdentifiers.IdSha3_256);
digestNameToOids.Add("SHA3-384", NistObjectIdentifiers.IdSha3_384);
digestNameToOids.Add("SHA3-512", NistObjectIdentifiers.IdSha3_512);
digestNameToOids.Add("SHAKE-128", NistObjectIdentifiers.IdShake128);
digestNameToOids.Add("SHAKE-256", NistObjectIdentifiers.IdShake256);
digestNameToOids.Add("GOST3411", CryptoProObjectIdentifiers.GostR3411);
digestNameToOids.Add("MD2", PkcsObjectIdentifiers.MD2);
digestNameToOids.Add("MD4", PkcsObjectIdentifiers.MD4);
digestNameToOids.Add("MD5", PkcsObjectIdentifiers.MD5);
digestNameToOids.Add("RIPEMD128", TeleTrusTObjectIdentifiers.RipeMD128);
digestNameToOids.Add("RIPEMD160", TeleTrusTObjectIdentifiers.RipeMD160);
digestNameToOids.Add("RIPEMD256", TeleTrusTObjectIdentifiers.RipeMD256);
}
public AlgorithmIdentifier find(AlgorithmIdentifier sigAlgId)
{
if (sigAlgId.Algorithm.Equals(PkcsObjectIdentifiers.IdRsassaPss))
{
return RsassaPssParameters.GetInstance(sigAlgId.Parameters).HashAlgorithm;
}
return new AlgorithmIdentifier((DerObjectIdentifier)digestOids[sigAlgId.Algorithm], DerNull.Instance);
}
public AlgorithmIdentifier find(string digAlgName)
{
return new AlgorithmIdentifier((DerObjectIdentifier)digestNameToOids[digAlgName], DerNull.Instance);
}
}