锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲综合久久成人69,亚洲网站在线观看,亚洲国产精品张柏芝在线观看http://www.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://www.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://www.tkk7.com/hmsxq/archive/2007/03/28/106929.html</guid><wfw:comment>http://www.tkk7.com/hmsxq/comments/106929.html</wfw:comment><comments>http://www.tkk7.com/hmsxq/archive/2007/03/28/106929.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/hmsxq/comments/commentRss/106929.html</wfw:commentRss><trackback:ping>http://www.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?jiǎn)绠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(gè)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://www.tkk7.com/hmsxq/aggbug/106929.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/hmsxq/" target="_blank">榛戦┈_2046</a> 2007-03-28 13:17 <a href="http://www.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://www.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://www66913.com" 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