[C#]加密解密 MD5、AES
发布时间:2020-12-15 22:40:52 所属栏目:百科 来源:网络整理
导读:/// summary /// MD5函数 /// /summary /// param name="str" 原始字符串 /param /// returns MD5结果 /returns public static string MD5( string str){ byte [] b = Encoding.UTF8.GetBytes(str); b = new MD5CryptoServiceProvider().ComputeHash(b); str
/// <summary> /// MD5函数 /// </summary> /// <param name="str">原始字符串</param> /// <returns>MD5结果</returns> public static string MD5(string str) { byte[] b = Encoding.UTF8.GetBytes(str); b = new MD5CryptoServiceProvider().ComputeHash(b); string ret = string.Empty; for (int i = 0; i < b.Length; i++) { ret += b[i].ToString("x").PadLeft(2,‘0‘); } return ret; } /// <summary> /// AES加密 /// </summary> /// <param name="toEncrypt"></param> /// <returns></returns> public static string AesEncrypt(string toEncrypt) { if (string.IsNullOrEmpty(toEncrypt)) { return string.Empty; } try { byte[] keyArray = Encoding.UTF8.GetBytes(@"7BF45189A0ED4BD6BE7936EFD11169E7"); byte[] toEncryptArray = Encoding.UTF8.GetBytes(toEncrypt); RijndaelManaged rDel = new RijndaelManaged(); rDel.Key = keyArray; rDel.Mode = CipherMode.ECB; rDel.Padding = PaddingMode.PKCS7; ICryptoTransform cTransform = rDel.CreateEncryptor(); byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray,0,toEncryptArray.Length); return Convert.ToBase64String(resultArray,resultArray.Length); } catch { return string.Empty; } } /// <summary> /// AES解密 /// </summary> /// <param name="toDecrypt"></param> /// <returns></returns> public static string AesDecrypt(string toDecrypt) { if (string.IsNullOrEmpty(toDecrypt)) { return string.Empty; } try { byte[] keyArray = Encoding.UTF8.GetBytes(@"7BF45189A0ED4BD6BE7936EFD11169E7"); byte[] toEncryptArray = Convert.FromBase64String(toDecrypt); RijndaelManaged rDel = new RijndaelManaged(); rDel.Key = keyArray; rDel.Mode = CipherMode.ECB; rDel.Padding = PaddingMode.PKCS7; ICryptoTransform cTransform = rDel.CreateDecryptor(); byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray,toEncryptArray.Length); return UTF8Encoding.UTF8.GetString(resultArray); } catch { return string.Empty; } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |