bitmessage.network.PrivateKey.PrivateKey2Wif C# (CSharp) Method

        private static string PrivateKey2Wif(byte[] privateKey)
        {
            //#An excellent way for us to store our keys is in Wallet Import Format. Let us convert now.
            //#https://en.bitcoin.it/wiki/Wallet_import_format
            var privKeyAnd80 = ((byte)0x80).Concatenate(privateKey);
            byte[] hash;
            using (var sha256 = new SHA256Managed())
                hash = sha256.ComputeHash(sha256.ComputeHash(privKeyAnd80));
            var checksum = new byte[4];
            Array.Copy(hash, checksum, 4);
            return privKeyAnd80.Concatenate(checksum).ByteArrayToBase58();
        }