BraintreeEncryption.Library.BouncyCastle.Util.Encoders.HexEncoder.DecodeString C# (CSharp) Method

        public int DecodeString(
			string	data,
			Stream	outStream)
        {
            byte    b1, b2;
            int     length = 0;

            int     end = data.Length;

            while (end > 0)
            {
                if (!ignore(data[end - 1]))
                {
                    break;
                }

                end--;
            }

            int i = 0;
            while (i < end)
            {
                while (i < end && ignore(data[i]))
                {
                    i++;
                }

                b1 = decodingTable[data[i++]];

                while (i < end && ignore(data[i]))
                {
                    i++;
                }

                b2 = decodingTable[data[i++]];

                outStream.WriteByte((byte)((b1 << 4) | b2));

                length++;
            }

            return length;
        }