C#文件加密方法汇总

2019-12-26 11:57:17王旭

            return m_strEncrypt;
        }
        #endregion
        #endregion

        #region 解密
        #region 解密字符串
        /// <summary>
        /// AES 解密(高级加密标准,是下一代的加密算法标准,速度快,安全级别高,目前 AES 标准的一个实现是 Rijndael 算法)
        /// </summary>
        /// <param name="DecryptString">待解密密文</param>
        /// <param name="DecryptKey">解密密钥</param>
        public static string AESDecrypt(string DecryptString, string DecryptKey)
        {
            return Convert.ToBase64String(AESDecrypt(Encoding.Default.GetBytes(DecryptString), DecryptKey));
        }
        #endregion

        #region 解密字节数组
        /// <summary>
        /// AES 解密(高级加密标准,是下一代的加密算法标准,速度快,安全级别高,目前 AES 标准的一个实现是 Rijndael 算法)
        /// </summary>
        /// <param name="DecryptString">待解密密文</param>
        /// <param name="DecryptKey">解密密钥</param>
        public static byte[] AESDecrypt(byte[] DecryptByte, string DecryptKey)
        {
            if (DecryptByte.Length == 0) { throw (new Exception("密文不得为空")); }
            if (string.IsNullOrEmpty(DecryptKey)) { throw (new Exception("密钥不得为空")); }
            byte[] m_strDecrypt;
            byte[] m_btIV = Convert.FromBase64String("Rkb4jvUy/ye7Cd7k89QQgQ==");
            byte[] m_salt = Convert.FromBase64String("gsf4jvkyhye5/d7k8OrLgM==");