PadPkcs1Encryption() [2/2]

static void System.Security.Cryptography.RsaPaddingProcessor.PadPkcs1Encryption ( ReadOnlySpan< byte > source, Span< byte > destination )

inlinestaticpackage

Definition at line 98 of file RsaPaddingProcessor.cs.

    {
        int length = source.Length;
        int length2 = destination.Length;
        if (length > length2 - 11)
        {
            throw new CryptographicException(System.SR.Cryptography_KeyTooSmall);
        }
        Span<byte> destination2 = destination.Slice(destination.Length - source.Length);
        Span<byte> data = destination.Slice(2, destination.Length - source.Length - 3);
        destination[0] = 0;
        destination[1] = 2;
        destination[data.Length + 2] = 0;
        FillNonZeroBytes(data);
        source.CopyTo(destination2);
    }

References System.SR.Cryptography_KeyTooSmall, System.destination, System.length, System.length2, System.Span< T >.Slice(), and System.source.