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創(chuàng)新互聯(lián)公司2013年開創(chuàng)至今,是專業(yè)互聯(lián)網(wǎng)技術(shù)服務(wù)公司,擁有項(xiàng)目成都網(wǎng)站建設(shè)、成都網(wǎng)站設(shè)計(jì)網(wǎng)站策劃,項(xiàng)目實(shí)施與項(xiàng)目整合能力。我們以讓每一個(gè)夢(mèng)想脫穎而出為使命,1280元九臺(tái)做網(wǎng)站,已為上家服務(wù),為九臺(tái)各地企業(yè)和個(gè)人服務(wù),聯(lián)系電話:18982081108public class TrialHelper { //默認(rèn)密鑰向量 private static byte[] Keys = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF }; /// <summary> /// DES加密字符串 /// </summary> /// <param name="encryptString">待加密的字符串</param> /// <param name="encryptKey">加密密鑰,要求為8位</param> /// <returns>加密成功返回加密后的字符串,失敗返回源串</returns> public static string EncryptDES( string encryptString, string encryptKey = "" ) { try { if (string.IsNullOrEmpty(encryptKey) || encryptKey.Length < 8) { encryptKey = "winform01"; } byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8)); byte[] rgbIV = Keys; byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString); DESCryptoServiceProvider dCSP = new DESCryptoServiceProvider(); MemoryStream mStream = new MemoryStream(); CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write); cStream.Write(inputByteArray, 0, inputByteArray.Length); cStream.FlushFinalBlock(); return Convert.ToBase64String(mStream.ToArray()); } catch { return encryptString; } } /// <summary> /// DES解密字符串 /// </summary> /// <param name="decryptString">待解密的字符串</param> /// <param name="decryptKey">解密密鑰,要求為8位,和加密密鑰相同</param> /// <returns>解密成功返回解密后的字符串,失敗返源串</returns> public static string DecryptDES( string decryptString, string decryptKey = "" ) { try { if (string.IsNullOrEmpty(decryptKey) || decryptKey.Length < 8) { decryptKey = "winform01"; } byte[] rgbKey = Encoding.UTF8.GetBytes(decryptKey.Substring(0, 8)); byte[] rgbIV = Keys; byte[] inputByteArray = Convert.FromBase64String(decryptString); DESCryptoServiceProvider DCSP = new DESCryptoServiceProvider(); MemoryStream mStream = new MemoryStream(); CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write); cStream.Write(inputByteArray, 0, inputByteArray.Length); cStream.FlushFinalBlock(); return Encoding.UTF8.GetString(mStream.ToArray()); } catch { return decryptString; } } /// <summary> /// MD5數(shù)據(jù)加密 /// </summary> /// <param name="sDataIn">加密字段</param> /// <returns>加密后的字符串</returns> public static string GetMD5( string sDataIn ) { System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider(); byte[] bytValue, bytHash; bytValue = System.Text.Encoding.UTF8.GetBytes(sDataIn); bytHash = md5.ComputeHash(bytValue); md5.Clear(); string sTemp = ""; for (int i = 0; i < bytHash.Length; i++) { sTemp += bytHash[i].ToString("x").PadLeft(2, '0'); } return sTemp; } }
調(diào)用:
//獲取登錄信息 loginRecord.Name = tbName.Text.Trim(); loginRecord.MD5Pwd = TrialHelper.GetMD5(tbPwd.Password); //保存到數(shù)據(jù)庫(kù)MD5加密方式 loginRecord.Pwd = TrialHelper.EncryptDES(tbPwd.Password);//記住密碼des加密方式,保存到本地
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文章題目:ASP.NET中DES加密與解密MD5加密幫助類的示例分析-創(chuàng)新互聯(lián)
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