后端开发|php教程
php+c#,csharp,加密解密
后端开发-php教程
下面小编就为大家带来一篇php实现和c#一致的DES加密解密实例。小编觉得挺不错的，现在就分享给大家，也给大家做个参考。一起跟随小编过来看看吧
zigbee源码,vscode适合后端开发吗,ubuntu守护脚本,rhcs实现tomcat集群,惠州爬虫协会,php与app交互,SEO适合男生还是女生, mysql 网站,7060模板lzw
PHP实现和c#一致的DES加密解密，可以从网上搜到一大堆，但是测试后发现都没法用。以下正确代码是我经过苦苦才找到的。希望大家在系统整合时能用的上。
微信小程序 记账源码,vscode怎么自动加空格,ubuntu apt离线,tomcat中jsp变量,厕所奇怪爬虫,php生成5随机数,seo用什么论坛好搞,高仿百度百科网站源码,微信宝模板lzw
注意：key的长度为8位以内。
镜像程序 源码,Ubuntu交换分区挂载,python爬虫次数频繁,php 如何重启,合肥站点seolzw
//C# 版DES 加解密算法 using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Data.SqlClient; using System.Security.Cryptography; using System.IO; using System.Text; public class Des{//加解密密钥 private static string skey = "12345678"; //初始化向量 private static byte[] DESIV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF }; #region DESEnCode DES加密 public static string DESEnCode(string pToEncrypt, string sKey) { pToEncrypt = HttpContext.Current.Server.UrlEncode(pToEncrypt); DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray = Encoding.GetEncoding("UTF-8").GetBytes(pToEncrypt); //建立加密对象的密钥和偏移量 //原文使用ASCIIEncoding.ASCII方法的GetBytes方法 //使得输入密码必须输入英文文本 des.Key = ASCIIEncoding.ASCII.GetBytes(sKey); des.IV = ASCIIEncoding.ASCII.GetBytes(sKey); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length); cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder(); foreach (byte b in ms.ToArray()) {ret.AppendFormat("{0:X2}", b); } ret.ToString(); return ret.ToString(); }#endregion////// 待解密的字符串 /// 解密密钥,要求为8字节,和加密密钥相同 /// 解密成功返回解密后的字符串，失败返源串 #region DESDeCode DES解密 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 (int x = 0; x < pToDecrypt.Length / 2; x++) { int i = (Convert.ToInt32(pToDecrypt.Substring(x * 2, 2), 16)); inputByteArray[x] = (byte)i; } des.Key = ASCIIEncoding.ASCII.GetBytes(sKey); des.IV = ASCIIEncoding.ASCII.GetBytes(sKey); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length); cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder(); return HttpContext.Current.Server.UrlDecode(System.Text.Encoding.Default.GetString(ms.ToArray())); } #endregion }
key = $key;if( $iv == 0 ) { $this->iv = $key; //默认以$key 作为 iv} else { $this->iv = $iv; //mcrypt_create_iv ( mcrypt_get_block_size (MCRYPT_DES, MCRYPT_MODE_CBC), MCRYPT_DEV_RANDOM );} }function encrypt($str) { //加密，返回大写十六进制字符串$size = mcrypt_get_block_size ( MCRYPT_DES, MCRYPT_MODE_CBC );$str = $this->pkcs5Pad ( $str, $size );return strtoupper( bin2hex( mcrypt_cbc(MCRYPT_DES, $this->key, $str, MCRYPT_ENCRYPT, $this->iv ) ) ); }function decrypt($str) { //解密$strBin = $this->hex2bin( strtolower( $str ) );$str = mcrypt_cbc( MCRYPT_DES, $this->key, $strBin, MCRYPT_DECRYPT, $this->iv );$str = $this->pkcs5Unpad( $str );return $str; }function hex2bin($hexData) {$binData = "";for($i = 0; $i strlen ( $text )) return false;if (strspn ( $text, chr ( $pad ), strlen ( $text ) - $pad ) != $pad) return false;return substr ( $text, 0, - 1 * $pad ); } } ?>
