System.Security.Cryptography.DSAImplementation.DSAOpenSsl.VerifySignature C# (CSharp) Метод

            public override bool VerifySignature(byte[] rgbHash, byte[] rgbSignature)
            {
                if (rgbHash == null)
                    throw new ArgumentNullException(nameof(rgbHash));
                if (rgbSignature == null)
                    throw new ArgumentNullException(nameof(rgbSignature));

                SafeDsaHandle key = _key.Value;

                int expectedSignatureBytes = Interop.Crypto.DsaSignatureFieldSize(key) * 2;
                if (rgbSignature.Length != expectedSignatureBytes)
                {
                    // The input isn't of the right length (assuming no DER), so we can't sensibly re-encode it with DER.
                    return false;
                }

                byte[] openSslFormat = OpenSslAsymmetricAlgorithmCore.ConvertIeee1363ToDer(rgbSignature);

                return Interop.Crypto.DsaVerify(key, rgbHash, rgbHash.Length, openSslFormat, openSslFormat.Length);
            }