TryCreateSignatureCore()

unsafe override bool System.Security.Cryptography.DSAImplementation.DSACng.TryCreateSignatureCore ( ReadOnlySpan< byte > hash, Span< byte > destination, DSASignatureFormat signatureFormat, out int bytesWritten )

inlineprotectedvirtual

Reimplemented from System.Security.Cryptography.DSA.

Definition at line 397 of file DSAImplementation.cs.

        {
            Span<byte> stackBuf = stackalloc byte[32];
            ReadOnlySpan<byte> hash2 = AdjustHashSizeIfNecessary(hash, stackBuf);
            using (SafeNCryptKeyHandle keyHandle = GetDuplicatedKeyHandle())
            {
                if (!keyHandle.TrySignHash(hash2, destination, global::Interop.NCrypt.AsymmetricPaddingMode.None, null, out bytesWritten))
                {
                    bytesWritten = 0;
                    return false;
                }
            }
            return signatureFormat switch
            {
                DSASignatureFormat.IeeeP1363FixedFieldConcatenation => true, 
                DSASignatureFormat.Rfc3279DerSequence => AsymmetricAlgorithmHelpers.TryConvertIeee1363ToDer(destination.Slice(0, bytesWritten), destination, out bytesWritten), 
                _ => throw new CryptographicException(System.SR.Cryptography_UnknownSignatureFormat, signatureFormat.ToString()), 
            };
        }

References System.Security.Cryptography.DSAImplementation.DSACng.AdjustHashSizeIfNecessary(), System.SR.Cryptography_UnknownSignatureFormat, System.destination, System.Security.Cryptography.DSAImplementation.DSACng.GetDuplicatedKeyHandle(), and Internal.Cryptography.AsymmetricAlgorithmHelpers.TryConvertIeee1363ToDer().