BraintreeEncryption.Library.BouncyCastle.Crypto.Encodings.Pkcs1Encoding.EncodeBlock C# (CSharp) Метод

        private byte[] EncodeBlock(
			byte[]	input,
			int		inOff,
			int		inLen)
        {
            if (inLen > GetInputBlockSize())
                throw new ArgumentException("input data too large", "inLen");

            byte[] block = new byte[engine.GetInputBlockSize()];

            if (forPrivateKey)
            {
                block[0] = 0x01;                        // type code 1

                for (int i = 1; i != block.Length - inLen - 1; i++)
                {
                    block[i] = (byte)0xFF;
                }
            }
            else
            {
                random.NextBytes(block);                // random fill

                block[0] = 0x02;                        // type code 2

                //
                // a zero byte marks the end of the padding, so all
                // the pad bytes must be non-zero.
                //
                for (int i = 1; i != block.Length - inLen - 1; i++)
                {
                    while (block[i] == 0)
                    {
                        block[i] = (byte)random.NextInt();
                    }
                }
            }

            block[block.Length - inLen - 1] = 0x00;       // mark the end of the padding
            Array.Copy(input, inOff, block, block.Length - inLen, inLen);

            return engine.ProcessBlock(block, 0, block.Length);
        }