Exemplos de CryptoTool.CryptoLib.Utils SM4.sm4_crypt_cbc em C# (CSharp)

Exemplo n.º 1

Arquivo: SM4Utils.cs Projeto: ppkdclry/SMFcrypto

        public String Encrypt_CBC(String plainText)
        {
            SM4_Context ctx = new SM4_Context();

            ctx.isPadding = true;
            ctx.mode      = SM4.SM4_ENCRYPT;

            byte[] keyBytes;
            byte[] ivBytes;
            if (hexString)
            {
                keyBytes = Hex.Decode(secretKey);
                ivBytes  = Hex.Decode(iv);
            }
            else
            {
                keyBytes = Encoding.ASCII.GetBytes(secretKey);
                ivBytes  = Encoding.ASCII.GetBytes(iv);
            }

            SM4 sm4 = new SM4();

            sm4.sm4_setkey_enc(ctx, keyBytes);
            byte[] encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, Encoding.ASCII.GetBytes(plainText));

            String cipherText = Encoding.ASCII.GetString(Hex.Encode(encrypted));

            return(cipherText);
        }