/// <summary> /// AES 加密 /// </summary> /// <param>明文（待加密）</param> /// <param>密文</param> /// <returns></returns> public static string AesEncrypt(string str, string key) { if (string.IsNullOrEmpty(str)) return null; Byte[] toEncryptArray = Encoding.UTF8.GetBytes(str); System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged { Key = Encoding.UTF8.GetBytes(key), Mode = System.Security.Cryptography.CipherMode.ECB, Padding = System.Security.Cryptography.PaddingMode.PKCS7 }; System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateEncryptor(); Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length); return Convert.ToBase64String(resultArray, 0, resultArray.Length); } /// <summary> /// AES 解密 /// </summary> /// <param>明文（待解密）</param> /// <param>密文</param> /// <returns></returns> public static string AesDecrypt(string str, string key) { if (string.IsNullOrEmpty(str)) return null; Byte[] toEncryptArray = Convert.FromBase64String(str); System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged { Key = Encoding.UTF8.GetBytes(key), Mode = System.Security.Cryptography.CipherMode.ECB, Padding = System.Security.Cryptography.PaddingMode.PKCS7 }; System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateDecryptor(); Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length); return Encoding.UTF8.GetString(resultArray); }

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