b).密码保存,防止看到明文 不可逆 密码应该只有用户知道----数据库不能存明文---但是又需要验证,MD5加密下原始密码---数据库存密文--- 下次登录把密码MD5后再比对,密文是可见的,所以要求密码不能太简单,) c).防止抵赖 防止抵赖,数字签名,把一些内容摘要一下,由权威的第三方去保障,将来这个文件就是你做的,不能抵 赖 3) MD5的
public static string DESDeCode(string pToDecrypt, string sKey) { // HttpContext.Current.Response.Write(pToDecrypt + "" + sKey); // HttpContext.Current.Response.End(); DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray = new byte[pToDecrypt.Length / 2]; for...
EncryptDecrypt.dll文件封装了Rijndael加密算法, 结合SHA-256与 CNewRandom ( http://www.codeproject.com/Articles/5489/KeePass-Password-Safe这个里面用到的基于SHA-256伪随机数)加密与解密字符串...这个加密工具有个重要的特性就是, 就算是用同样的密钥加密同一个字符串, 得...
public static string DESDeCode(string pToDecrypt, string sKey) { // HttpContext.Current.Response.Write(pToDecrypt + "" + sKey); // HttpContext.Current.Response.End(); DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray = new byte[pToDecrypt.Length / 2]; for...
英[ɪn'krɪpt] v.把…加密(或编码) 网络夺宝生死战;资料加密;加密处理 第三人称单数:encrypts现在分词:encrypting过去式:encrypted 同义词 反义词 v. encode,code,scramble,translate,convert 权威英汉双解 英汉 英英 网络释义 encrypt v. 1. ~ sth ...
c# DecryptEncrypt usingSystem.Text; usingSystem.IO; usingSystem; usingSystem.Text.RegularExpressions; usingSystem.Security.Cryptography; /// ///DecryptEncrypt的摘要说明 ///作用：实现对称加密、解密 /// publicclassDecryptEncrypt { privateSymmetricAlgorithmmobjCryptoService; privatestringKey; publicDec...
Encrypt and Decrypt a String in c# Encrypt and Decrypt Image encrypt and decrypt with AES/GCM/NoPadding 256 bit Encrypt object in c# Encrypt string to 10 random characters Encrypt to numbers! Encrypt/DEcrypt using HMAC Algorithm in C# encrypting/decrypting binary files Entire Website download usin...
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下面的代码示例使用 Encrypt 方法和 Decrypt 方法加密文件,然后将其解密。 C# 复制 using System; using System.IO; using System.Security.AccessControl; namespace FileSystemExample { class FileExample { public static void Main() { try { string FileName = @"c:\MyTest.txt"; Console.WriteLine("Enc...
DES_ncbc_encrypt(output, input, len, &schedule, &ivec, DES_DECRYPT);printf("解密后:%s\n",input); } AI代码助手复制代码 如果向上面程序不加注释的那句话,会出现“段错误 (核心已转储) ”,意为input指针指向一固定分配的空间, (不是长度问题)内容不能更改引发段错误,注释部分重新为其分配空间,则可以...