OpenProcessor() [1/2]

static RsaPaddingProcessor System.Security.Cryptography.RsaPaddingProcessor.OpenProcessor ( HashAlgorithmName hashAlgorithmName )

inlinestaticpackage

Definition at line 58 of file RsaPaddingProcessor.cs.

    {
        return s_lookup.GetOrAdd(hashAlgorithmName, delegate(HashAlgorithmName hashAlgorithmName)
        {
            using IncrementalHash incrementalHash = IncrementalHash.CreateHash(hashAlgorithmName);
            Span<byte> destination = stackalloc byte[64];
            ReadOnlyMemory<byte> digestInfoPrefix;
            if (hashAlgorithmName == HashAlgorithmName.MD5)
            {
                digestInfoPrefix = s_digestInfoMD5;
            }
            else if (hashAlgorithmName == HashAlgorithmName.SHA1)
            {
                digestInfoPrefix = s_digestInfoSha1;
            }
            else if (hashAlgorithmName == HashAlgorithmName.SHA256)
            {
                digestInfoPrefix = s_digestInfoSha256;
            }
            else if (hashAlgorithmName == HashAlgorithmName.SHA384)
            {
                digestInfoPrefix = s_digestInfoSha384;
            }
            else
            {
                if (!(hashAlgorithmName == HashAlgorithmName.SHA512))
                {
                    throw new CryptographicException();
                }
                digestInfoPrefix = s_digestInfoSha512;
            }
            if (incrementalHash.TryGetHashAndReset(destination, out var bytesWritten))
            {
                return new RsaPaddingProcessor(hashAlgorithmName, bytesWritten, digestInfoPrefix);
            }
            byte[] hashAndReset = incrementalHash.GetHashAndReset();
            return new RsaPaddingProcessor(hashAlgorithmName, hashAndReset.Length, digestInfoPrefix);
        });
    }

References System.Security.Cryptography.RsaPaddingProcessor.RsaPaddingProcessor(), System.Security.Cryptography.IncrementalHash.CreateHash(), System.destination, System.Security.Cryptography.HashAlgorithmName.MD5, System.Security.Cryptography.RsaPaddingProcessor.s_digestInfoSha512, System.Security.Cryptography.RsaPaddingProcessor.s_lookup, System.Security.Cryptography.HashAlgorithmName.SHA1, System.Security.Cryptography.HashAlgorithmName.SHA256, and System.Security.Cryptography.HashAlgorithmName.SHA384.

Referenced by System.Security.Cryptography.RSAImplementation.RSACng.EncryptOrDecrypt(), System.Security.Cryptography.RSACng.EncryptOrDecrypt(), System.Security.Cryptography.RSAImplementation.RSACng.TryEncryptOrDecrypt(), and System.Security.Cryptography.RSACng.TryEncryptOrDecrypt().