diff options
Diffstat (limited to 'crypto/src/x509/X509Utilities.cs')
| -rw-r--r-- | crypto/src/x509/X509Utilities.cs | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/crypto/src/x509/X509Utilities.cs b/crypto/src/x509/X509Utilities.cs index 3ab6b926c..cee664370 100644 --- a/crypto/src/x509/X509Utilities.cs +++ b/crypto/src/x509/X509Utilities.cs @@ -10,6 +10,9 @@ using Org.BouncyCastle.Asn1.TeleTrust; using Org.BouncyCastle.Asn1.X509; using Org.BouncyCastle.Asn1.X9; using Org.BouncyCastle.Crypto; +using Org.BouncyCastle.Crypto.Operators; +using Org.BouncyCastle.Security; +using Org.BouncyCastle.Utilities; using Org.BouncyCastle.Utilities.Collections; namespace Org.BouncyCastle.X509 @@ -126,6 +129,60 @@ namespace Org.BouncyCastle.X509 m_exParams.Add("SHA512WITHRSAANDMGF1", CreatePssParams(sha512AlgId, 64)); } + internal static byte[] CalculateDigest(AlgorithmIdentifier digestAlgorithm, Asn1Encodable asn1Encodable) + { + var digest = DigestUtilities.GetDigest(digestAlgorithm.Algorithm); + var digestCalculator = new DefaultDigestCalculator(digest); + var digestResult = CalculateResult(digestCalculator, asn1Encodable); + return digestResult.Collect(); + } + + internal static byte[] CalculateDigest(IDigestFactory digestFactory, byte[] buf, int off, int len) + { + var digestCalculator = digestFactory.CreateCalculator(); + var digestResult = CalculateResult(digestCalculator, buf, off, len); + return digestResult.Collect(); + } + +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + internal static byte[] CalculateDigest(IDigestFactory digestFactory, ReadOnlySpan<byte> buf) + { + var digestCalculator = digestFactory.CreateCalculator(); + var digestResult = CalculateResult(digestCalculator, buf); + return digestResult.Collect(); + } +#endif + + internal static byte[] CalculateDigest(IDigestFactory digestFactory, + Asn1Encodable asn1Encodable) + { + var digestCalculator = digestFactory.CreateCalculator(); + var digestResult = CalculateResult(digestCalculator, asn1Encodable); + return digestResult.Collect(); + } + + internal static TResult CalculateResult<TResult>(IStreamCalculator<TResult> streamCalculator, byte[] buf, + int off, int len) + { + using (var stream = streamCalculator.Stream) + { + stream.Write(buf, off, len); + } + return streamCalculator.GetResult(); + } + +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + internal static TResult CalculateResult<TResult>(IStreamCalculator<TResult> streamCalculator, + ReadOnlySpan<byte> buf) + { + using (var stream = streamCalculator.Stream) + { + stream.Write(buf); + } + return streamCalculator.GetResult(); + } +#endif + internal static TResult CalculateResult<TResult>(IStreamCalculator<TResult> streamCalculator, Asn1Encodable asn1Encodable) { @@ -194,6 +251,11 @@ namespace Org.BouncyCastle.X509 return CollectDerBitString(result); } + internal static DerBitString GenerateDigest(IDigestFactory digestFactory, Asn1Encodable asn1Encodable) + { + return GenerateBitString(digestFactory.CreateCalculator(), asn1Encodable); + } + internal static DerBitString GenerateMac(IMacFactory macFactory, Asn1Encodable asn1Encodable) { return GenerateBitString(macFactory.CreateCalculator(), asn1Encodable); @@ -204,6 +266,13 @@ namespace Org.BouncyCastle.X509 return GenerateBitString(signatureFactory.CreateCalculator(), asn1Encodable); } + internal static bool VerifyMac(IMacFactory macFactory, Asn1Encodable asn1Encodable, DerBitString expected) + { + var result = CalculateResult(macFactory.CreateCalculator(), asn1Encodable); + + return Arrays.FixedTimeEquals(result.Collect(), expected.GetOctets()); + } + internal static bool VerifySignature(IVerifierFactory verifierFactory, Asn1Encodable asn1Encodable, DerBitString signature) { |