Transform() [2/2]

override int Internal.Cryptography.BasicSymmetricCipherBCrypt.Transform ( ReadOnlySpan< byte > input, Span< byte > output )

inline

Definition at line 48 of file BasicSymmetricCipherBCrypt.cs.

    {
        int num = 0;
        if (input.Overlaps(output, out var elementOffset) && elementOffset != 0)
        {
            byte[] array = System.Security.Cryptography.CryptoPool.Rent(output.Length);
            try
            {
                num = BCryptTransform(input, array);
                array.AsSpan(0, num).CopyTo(output);
            }
            finally
            {
                System.Security.Cryptography.CryptoPool.Return(array, num);
            }
        }
        else
        {
            num = BCryptTransform(input, output);
        }
        if (num != input.Length)
        {
            throw new CryptographicException(System.SR.Cryptography_UnexpectedTransformTruncation);
        }
        return num;
        int BCryptTransform(ReadOnlySpan<byte> input, Span<byte> output)
        {
            if (!_encrypting)
            {
                return global::Interop.BCrypt.BCryptDecrypt(_hKey, input, _currentIv, output);
            }
            return global::Interop.BCrypt.BCryptEncrypt(_hKey, input, _currentIv, output);
        }
    }

References Internal.Cryptography.BasicSymmetricCipherBCrypt._currentIv, Internal.Cryptography.BasicSymmetricCipherBCrypt._encrypting, Internal.Cryptography.BasicSymmetricCipherBCrypt._hKey, System.array, System.SR.Cryptography_UnexpectedTransformTruncation, System.input, System.Span< T >.Length, System.Security.Cryptography.CryptoPool.Rent(), and System.Security.Cryptography.CryptoPool.Return().