public static string SM4EncryptECB(string input, string key)
{
input = ConvertTool.RemoveSpace(input);
key = ConvertTool.RemoveSpace(key);
if (key.Length != 32)
{
throw new Exception("Invalid Key, Not 16 bytes");
}
if (input.Length % 32 != 0 || input.Length == 0)
{
throw new Exception("Invalid Data, Not 16*n bytes");
}
byte[] output = SM4.Encrypt_ECB(ConvertTool.String2Bytes(input), ConvertTool.String2Bytes(key));
return(ConvertTool.Bytes2String(output));
}
public static string SM4DecryptCBC(string input, string iv, string key)
{
input = ConvertTool.RemoveSpace(input);
key = ConvertTool.RemoveSpace(key);
iv = ConvertTool.RemoveSpace(iv);
if (key.Length != 32)
{
throw new Exception("Invalid Key, Not 16 bytes");
}
if (input.Length % 32 != 0 || input.Length == 0)
{
throw new Exception("Invalid Cipher, Not 16*n bytes");
}
if (iv.Length != 32)
{
throw new Exception("Invalid IV, Not 16 bytes");
}
byte[] output = SM4.Decrypt_CBC(ConvertTool.String2Bytes(input), ConvertTool.String2Bytes(key), ConvertTool.String2Bytes(iv));
return(ConvertTool.Bytes2String(output));
}