public static string SM4DecryptData(string key, string data)
{
byte[] cipher = Convert.FromBase64String(data);
byte[] plain = SM4Util.DecryptCBC(cipher, Hex.Decode(key), Hex.Decode(key));
return(Hex.ToHexString(cipher, 0, cipher.Length));
}
/// <summary>
/// 使用国密SM4对文本加密字符串
/// </summary>
/// <param name="key"></param>
/// <param name="data"></param>
/// <returns></returns>
public static string SM4EncryptData(string key, byte[] dataBytes)
{
//byte[] dataBytes = Encoding.UTF8.GetBytes(data);
byte[] cipher = SM4Util.EncryptCBC(dataBytes, Hex.Decode(key), Hex.Decode(key));
return(Convert.ToBase64String(cipher));
}