BitSharper.Base58.Encode C# (CSharp) Method

        public static string Encode(byte[] input)
        {
            // TODO: This could be a lot more efficient.
            var bi = new BigInteger(1, input);
            var s = new StringBuilder();
            while (bi.CompareTo(_base) >= 0)
            {
                var mod = bi.Mod(_base);
                s.Insert(0, new[] {_alphabet[mod.IntValue]});
                bi = bi.Subtract(mod).Divide(_base);
            }
            s.Insert(0, new[] {_alphabet[bi.IntValue]});
            // Convert leading zeros too.
            foreach (var anInput in input)
            {
                if (anInput == 0)
                    s.Insert(0, new[] {_alphabet[0]});
                else
                    break;
            }
            return s.ToString();
        }

        public override string ToString()
        {
            // A stringified buffer is:
            //   1 byte version + data bytes hash + 4 bytes check code (itself a truncated hash)
            var addressBytes = new byte[1 + Bytes.Length + 4];

            addressBytes[0] = (byte)Version;
            Array.Copy(Bytes, 0, addressBytes, 1, Bytes.Length);
            var check = Utils.DoubleDigest(addressBytes, 0, Bytes.Length + 1);

            Array.Copy(check, 0, addressBytes, Bytes.Length + 1, 4);
            return(Base58.Encode(addressBytes));
        }