RuoVea.SM 6.0.0

RuoVea.ExCrypt

介绍

国密 SM2 SM3 SM4 加密算法、字符串加密拓展

使用示例

 /// <summary>
    /// SM2 获取秘钥方法
    /// </summary>
    /// <returns></returns>
    public static string SM2GetKey()
    {
        string priKey = string.Empty;
        string pubkey = string.Empty;
        var strkey = SM2Util.GenerateKeyPair();
        pubkey = strkey[0].ToUpper().ToString();
        priKey = strkey[1].ToUpper().ToString();
        return "pubKey:" + pubkey + "\r\n" + "priKey:" + priKey;
    }

    /// <summary>
    /// SM2 获取秘钥方法
    /// </summary>
    /// <returns>pubKey,priKey</returns>
    public static (string,string) SM2Key()
    {
        string priKey = string.Empty;
        string pubkey = string.Empty;
        var strkey = SM2Util.GenerateKeyPair();
        pubkey = strkey[0].ToUpper().ToString();
        priKey = strkey[1].ToUpper().ToString();
        return (pubkey , priKey);
    }

    /// <summary>
    /// SM2加密 非对称
    /// </summary>
    /// <param name="strdata"></param>
    /// <param name="pubKey"></param>
    /// <returns></returns>
    public static string SM2EncryptBase64(string strdata, string pubKey)
    {
        return SM2Util.encryptBase64(strdata, pubKey.ToLower());
    }

    /// <summary>
    /// SM2 解密 非对称
    /// </summary>
    /// <param name="strdata"></param>
    /// <param name="priKey"></param>
    /// <returns></returns>

    public static string SM2DecryptBase64(string strdata, string priKey)
    {
        SM2 sm2 = new SM2(priKey.ToLower(), null);
        byte[] deCode = Base64.Decode(strdata);
        byte[] decryptText = sm2.deceypt(deCode);
        return Encoding.UTF8.GetString(decryptText);
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="strdata"></param>
    /// <returns></returns>
    public static string SM3Encrypt(string strdata)
    {
        return SM3Utils.Encrypt(strdata);
    }
    
    /// <summary>
    /// SM4 加密 （对称）ECB
    /// </summary>
    /// <param name="strdata"></param>
    /// <param name="Key"></param>
    /// <returns></returns>
    public static string SM4EncryptBase64_ECB(string strdata, string Key)
    {
        SM4Utils.secretKey = Key;
        SM4Utils.hexString = false;
        string ciphertext = SM4Utils.Encrypt_ECB(strdata);
        return ciphertext;
    }

    /// <summary>
    /// SM4 解密 （对称）ECB
    /// </summary>
    /// <param name="strdata"></param>
    /// <param name="Key"></param>
    /// <returns></returns>
    public static string SM4DecryptBase64_ECB(string strdata, string Key)
    {
        SM4Utils.secretKey = Key;
        SM4Utils.hexString = false;
        string ciphertext = SM4Utils.Decrypt_ECB(strdata);
        return ciphertext;
    }

    /// <summary>
    /// SM4 加密 （对称）CBC
    /// </summary>
    /// <param name="strdata"></param>
    /// <param name="Key"></param>
    /// <param name="iv"></param>
    /// <returns></returns>
    public static string SM4EncryptBase64_ECB(string strdata, string Key,string iv)
    {
        SM4Utils.secretKey = Key;
        SM4Utils.hexString = false;
        SM4Utils.iv = iv;
        string ciphertext = SM4Utils.Encrypt_CBC(strdata);
        return ciphertext;
    }

    /// <summary>
    /// SM4 解密 （对称）CBC
    /// </summary>
    /// <param name="strdata"></param>
    /// <param name="Key"></param>
    /// <param name="iv"></param>
    /// <returns></returns>
    public static string SM4DecryptBase64_ECB(string strdata, string Key, string iv)
    {
        SM4Utils.secretKey = Key;
        SM4Utils.hexString = false;
        SM4Utils.iv = iv;
        string ciphertext = SM4Utils.Decrypt_CBC(strdata);
        return ciphertext;
    }