锘??xml version="1.0" encoding="utf-8" standalone="yes"?>在线播放亚洲精品,久久精品国产精品亚洲蜜月,国产av无码专区亚洲av毛片搜http://m.tkk7.com/hmsxq/category/21068.htmlzh-cnThu, 29 Mar 2007 01:14:07 GMTThu, 29 Mar 2007 01:14:07 GMT60DES綆楁硶綆鍗曚緥紼?/title><link>http://m.tkk7.com/hmsxq/archive/2007/03/28/106929.html</link><dc:creator>榛戦┈_2046</dc:creator><author>榛戦┈_2046</author><pubDate>Wed, 28 Mar 2007 05:17:00 GMT</pubDate><guid>http://m.tkk7.com/hmsxq/archive/2007/03/28/106929.html</guid><wfw:comment>http://m.tkk7.com/hmsxq/comments/106929.html</wfw:comment><comments>http://m.tkk7.com/hmsxq/archive/2007/03/28/106929.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/hmsxq/comments/commentRss/106929.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/hmsxq/services/trackbacks/106929.html</trackback:ping><description><![CDATA[ <font size="2"> <strong>2錛? DES綆楁硶綆浠?br /></strong>DES鍗沖垎緇勫姞瀵嗙畻娉曪紝鏄庢枃瀵嗘枃閮戒嬌鐢?4浣嶆暟鎹垎緇勶紱閲囩敤瀵圭О綆楁硶錛屽姞瀵嗗拰瑙e瘑綆楁硶鐩稿悓錛屼絾鏄嬌鐢ㄧ殑瀵嗛挜涓嶅悓錛屽瘑閽ヤ嬌鐢?6浣嶆暟錛涚敱浜庣畻娉曞彧浣跨敤浜嗙畝鍗曠殑鏁版嵁閫昏緫鍜岀畻鏈繍綆楋紝鎵浠ュ疄鐜拌搗鏉ョ浉瀵圭畝鍗曘傛湰鏂囧氨浣跨敤DES綆楁硶鏉ョ粰鍑轟竴涓姞瑙e瘑宸ュ叿綾匯?br /><strong>3.java 瀹炵幇鐨勫瀛楃涓插姞瑙e瘑宸ュ叿綾?br /><span id="Codehighlighter1_240_2823_Open_Text"><span id="Codehighlighter1_419_2823_Open_Text"><span id="Codehighlighter1_439_2823_Open_Text"><pre>import java.io.*;<br />import javax.crypto.*;<br />import javax.crypto.spec.*;<br />import java.security.*;<br />import java.security.spec.*;<br />import com.sun.crypto.provider.SunJCE;<br />import java.io.Serializable;<br /><br />/**<br /> * 鎻愪緵鍔犲瘑綆楁硶錛屽彲浠ュ杈撳叆鐨勫瓧絎︿覆榪涜鍔犲瘑銆佽В瀵嗘搷浣?br />*/<br />public class EncryptData<br />{<br /> byte[] encryptKey;<br /> DESedeKeySpec spec;<br /> SecretKeyFactory keyFactory;<br /> SecretKey theKey;<br /> Cipher cipher;<br /> IvParameterSpec IvParameters;<br /><br /> public EncryptData()<br /> {<br /> try<br /> {<br /> // 媯嫻嬫槸鍚︽湁 TripleDES 鍔犲瘑鐨勪緵搴旂▼搴?br /> // 濡傛棤錛屾槑紜湴瀹夎SunJCE 渚涘簲紼嬪簭<br /> try{ Cipher c = Cipher.getInstance("DESede"); }<br /> catch (Exception e)<br /> {<br /> System.err.println("Installling SunJCE provider.");<br /> Provider sunjce = new com.sun.crypto.provider.SunJCE();<br /> Security.addProvider(sunjce);<br /> }<br /> // 鍒涘緩涓涓瘑閽?br /> encryptKey = "This is a test DESede Key".getBytes();<br /><br /> // 涓轟笂涓瀵嗛挜鍒涘緩涓涓寚瀹氱殑 DESSede key<br /> spec = new DESedeKeySpec(encryptKey);<br /><br /> // 寰楀埌 DESSede keys<br /> keyFactory = SecretKeyFactory.getInstance("DESede");<br /><br /> // 鐢熸垚涓涓?DESede 瀵嗛挜瀵硅薄<br /> theKey = keyFactory.generateSecret(spec);<br /><br /> // 鍒涘緩涓涓?DESede 瀵嗙爜<br /> cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");<br /><br /> // 涓?CBC 妯″紡鍒涘緩涓涓敤浜庡垵濮嬪寲鐨?vector 瀵硅薄<br /> IvParameters =<br /> new IvParameterSpec(new byte[]{12,34,56,78,90,87,65,43} );<br /> }<br /> catch (Exception exc)<br /> {<br /> // 璁板綍鍔犲瘑鎴栬В瀵嗘搷浣滈敊璇?br /> }<br /> }<br /><br /> /**<br /> * 鍔犲瘑綆楁硶<br /> * @param password 絳夊緟鍔犲瘑鐨勫瘑鐮?br /> * @return 鍔犲瘑浠ュ悗鐨勫瘑鐮?br /> * @throws Exception<br /> */<br /> public byte[] encrypt(String password)<br /> {<br /> String encrypted_password = null;<br /> byte[] encrypted_pwd = null;<br /><br /> try<br /> {<br /> // 浠ュ姞瀵嗘ā寮忓垵濮嬪寲瀵嗛挜<br /> cipher.init(Cipher.ENCRYPT_MODE,theKey,IvParameters);<br /><br /> // 鍔犲瘑鍓嶇殑瀵嗙爜錛堟棫錛?br /> byte[] plainttext = password.getBytes();<br /><br /> // 鍔犲瘑瀵嗙爜<br /> encrypted_pwd = cipher.doFinal(plainttext);<br /><br /> // 杞垚瀛楃涓詫紝寰楀埌鍔犲瘑鍚庣殑瀵嗙爜錛堟柊錛?br /> encrypted_password = new String(encrypted_pwd);<br /> }<br /> catch(Exception ex)<br /> {<br /> // 璁板綍鍔犲瘑閿欒<br /> }<br /> return encrypted_pwd;<br /> }<br /><br /> /**<br /> * 瑙e瘑綆楁硶<br /> * @param password 鍔犺繃瀵嗙殑瀵嗙爜<br /> * @return 瑙e瘑鍚庣殑瀵嗙爜<br /> */<br /> public String decrypt(byte[] password)<br /> {<br /> String decrypted_password = null;<br /> try<br /> {<br /> // 浠ヨВ瀵嗘ā寮忓垵濮嬪寲瀵嗛挜<br /> cipher.init(Cipher.DECRYPT_MODE,theKey,IvParameters);<br /><br /> // 鏋勯犺В瀵嗗墠鐨勫瘑鐮?br /> byte[] decryptedPassword = password;<br /><br /> // 瑙e瘑瀵嗙爜<br /> byte[] decrypted_pwd = cipher.doFinal(decryptedPassword);<br /> // 寰楀埌緇撴灉<br /> decrypted_password = new String(decrypted_pwd);<br /> }<br /> catch(Exception ex)<br /> {<br /> // 璁板綍瑙e瘑閿欒<br /> }<br /> return decrypted_password;<br /> }<br />}</pre></span></span></span></strong></font> <img src ="http://m.tkk7.com/hmsxq/aggbug/106929.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/hmsxq/" target="_blank">榛戦┈_2046</a> 2007-03-28 13:17 <a href="http://m.tkk7.com/hmsxq/archive/2007/03/28/106929.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss> <footer> <div class="friendship-link"> <p>感谢您访问我们的网站,您可能还对以下资源感兴趣:</p> <a href="http://m.tkk7.com/" title="亚洲av成人片在线观看">亚洲av成人片在线观看</a> <div class="friend-links"> </div> </div> </footer> 主站蜘蛛池模板: <a href="http://baizhengsh.com" target="_blank">亚洲av无码无线在线观看</a>| <a 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