/// <summary>
/// sm3加密(使用自定义Hex密钥)
/// </summary>
/// <param name="data"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string ToSM3HexStr(string data, string key)
{
byte[] msg1 = Encoding.Default.GetBytes(data);
byte[] key1 = System.Text.Encoding.UTF8.GetBytes(key);
KeyParameter keyParameter = new KeyParameter(key1);
SM3Digest sm3 = new SM3Digest();
HMac mac = new HMac(sm3);//带密钥的杂凑算法
mac.Init(keyParameter);
mac.BlockUpdate(msg1, 0, msg1.Length);
byte[] result = new byte[mac.GetMacSize()];
mac.DoFinal(result, 0);
return(new UTF8Encoding().GetString(Hex.Encode(result)));
}