.net7 AesCcm加密算法测试

今天测试了.net core  AesCcm加密算法，并做了封装，测试过程做个记录。

首先上封装成果：

     /// <summary>
    /// AES加密操作类
    /// </summary>
    public static class AESOperation
    {
        /// <summary>
        ///  AES 加密
        /// </summary>
        /// <param name="value">明文（待加密）</param>
        /// <param name="key">密钥,长度16、24 或 32 字节</param>
        /// <param name="nonce">7、8、9、10、11、12 或 13 个字节</param>
        /// <returns></returns>
        public static (string, string) AesEncrypt(string value, string key, string nonce)
        {
            byte[] nonceByte = Encoding.UTF8.GetBytes(nonce);//对于具有相同密钥的每个操作，它应该是唯一值
            byte[] plaintext = Encoding.UTF8.GetBytes(value);//要加密的内容。
            byte[] ciphertext = new byte[plaintext.Length];//接收加密内容的字节数组。
            byte[] tag = new byte[16];//接收生成的身份验证标记的字节数组。4、6、8、10、12、14 或 16 个字节
            byte[]? associatedData = default;//与此消息关联的额外数据。该数据还必须在解密过程中提供。
            using (AesCcm ccm = new(Encoding.UTF8.GetBytes(key)))
            {
                ccm.Encrypt(nonceByte, plaintext, ciphertext, tag, associatedData);
            }
            return (Convert.ToBase64String(ciphertext, 0, ciphertext.Length), Convert.ToBase64String(tag));
        }
        /// <summary>
        ///  AES 解密
        /// </summary>
        /// <param name="value">密文（待解密）</param>
        /// <param name="key">密钥,长度16、24 或 32 字节</param>
        /// <param name="nonce">7、8、9、10、11、12 或 13 个字节</param>
        /// <returns></returns>
        public static string AesDecrypt(string value, string key, string nonce,string tagValue)
        {
            byte[] nonceByte = Encoding.UTF8.GetBytes(nonce);//与此消息关联的 nonce。它必须与加密过程中提供的值相匹配
            byte[] ciphertext = Convert.FromBase64String(value);//要解密的加密内容。
            byte[] plaintext = new byte[ciphertext.Length];//接收解密内容的字节数组。
            byte[] tag = Convert.FromBase64String(tagValue);//加密过程中为此消息生成的身份验证标记。4、6、8、10、12、14 或 16 个字节
            byte[]? associatedData = default;//与此消息关联的额外数据。该数据必须与加密过程中提供的值相匹配。

            using (AesCcm ccm = new(Encoding.UTF8.GetBytes(key)))
            {
                ccm.Decrypt(nonceByte, ciphertext,tag,plaintext,associatedData);
            }
            return Encoding.UTF8.GetString(plaintext);
        }
    }

　　测试结果：

            string value1 = AESOperation.AesEncrypt("祖国强盛", "qqqq7897qqqq7897", "r1amr1a").Item1;
            string value2 = AESOperation.AesEncrypt("12", "qqqq7897qqqq7897", "r1amr1a").Item1;
            string value3 = AESOperation.AesEncrypt("123", "qqqq7897qqqq7897", "r1amr1a").Item1;
            string value4 = AESOperation.AesEncrypt("1234", "qqqq7897qqqq7897", "r1amr1aq").Item1;
            string value5 = AESOperation.AesEncrypt("12347896", "qqqq7897qqqq7897", "r1amr1aq").Item1;
            string value6 = AESOperation.AesEncrypt("12347896XXXX", "qqqq7897qqqq7897", "0r1amr1aqa").Item1;
            string value7 = AESOperation.AesEncrypt("12347896XXXXOOOO", "qqqq7897qqqq7897", "0r1amr1aqa").Item1;
            string tag1 = AESOperation.AesEncrypt("祖国强盛", "qqqq7897qqqq7897", "r1amr1a").Item2;
            string tag2 = AESOperation.AesEncrypt("12", "qqqq7897qqqq7897", "r1amr1a").Item2;
            string tag3 = AESOperation.AesEncrypt("123", "qqqq7897qqqq7897", "r1amr1a").Item2;
            string tag4 = AESOperation.AesEncrypt("1234", "qqqq7897qqqq7897", "r1amr1aq").Item2;
            string tag5 = AESOperation.AesEncrypt("12347896", "qqqq7897qqqq7897", "r1amr1aq").Item2;
            string tag6 = AESOperation.AesEncrypt("12347896XXXX", "qqqq7897qqqq7897", "0r1amr1aqa").Item2;
            string tag7 = AESOperation.AesEncrypt("12347896XXXXOOOO", "qqqq7897qqqq7897", "0r1amr1aqa").Item2;
            Console.WriteLine(value1);
            Console.WriteLine(value2);
            Console.WriteLine(value3);
            Console.WriteLine(value4);
            Console.WriteLine(value5);
            Console.WriteLine(value6);
            Console.WriteLine(value7);
            Console.WriteLine("----tag");
            Console.WriteLine(tag1);
            Console.WriteLine(tag2);
            Console.WriteLine(tag3);
            Console.WriteLine(tag4);
            Console.WriteLine(tag5);
            Console.WriteLine(tag6);
            Console.WriteLine(tag7);
            Console.WriteLine("----解密");
            string value8 = AESOperation.AesDecrypt(value1, "qqqq7897qqqq7897", "r1amr1a", tag1);
            string value9 = AESOperation.AesDecrypt(value2, "qqqq7897qqqq7897", "r1amr1a", tag2);
            string value10 = AESOperation.AesDecrypt(value3, "qqqq7897qqqq7897", "r1amr1a", tag3);
            string value11 = AESOperation.AesDecrypt(value4, "qqqq7897qqqq7897", "r1amr1aq", tag4);
            string value12 = AESOperation.AesDecrypt(value5, "qqqq7897qqqq7897", "r1amr1aq", tag5);
            string value13 = AESOperation.AesDecrypt(value6, "qqqq7897qqqq7897", "0r1amr1aqa", tag6);
            string value14 = AESOperation.AesDecrypt(value7, "qqqq7897qqqq7897", "0r1amr1aqa", tag7);
            Console.WriteLine(value8);
            Console.WriteLine(value9);
            Console.WriteLine(value10);
            Console.WriteLine(value11);
            Console.WriteLine(value12);
            Console.WriteLine(value13);
            Console.WriteLine(value14);
            Console.Read();

控制台输出：