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这是我在网上找到的一种加密/解密方法.....

我只想知道这个方法的名字

(我正在使用 asp.net c#)

    public string Encryptdata(string password)
    {
        string strmsg = string.Empty;
        byte[] encode = new byte[password.Length];
        encode = Encoding.UTF8.GetBytes(password);
        strmsg = Convert.ToBase64String(encode);
        return strmsg;
    }
    public string Decryptdata(string encryptpwd)
    {
        string decryptpwd = string.Empty;
        UTF8Encoding encodepwd = new UTF8Encoding();
        Decoder Decode = encodepwd.GetDecoder();
        byte[] todecode_byte = Convert.FromBase64String(encryptpwd);
        int charCount = Decode.GetCharCount(todecode_byte, 0, todecode_byte.Length);
        char[] decoded_char = new char[charCount];
        Decode.GetChars(todecode_byte, 0, todecode_byte.Length, decoded_char, 0);
        decryptpwd = new String(decoded_char);
        return decryptpwd;
    }
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