本文實例講述了JS加密插件CryptoJS實現的DES加密。分享給大家供大家參考，具體如下：
前面一篇《JS加密插件CryptoJS實現AES加密操作》介紹了CryptoJS插件的簡單配置與使用，這里再來看看CryptoJS實現DES加密的方法：
<!DOCTYPE html><html><head><meta charset="utf-8"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Testing websockets</title><script type="text/javascript" src="jquery-1.10.1.js"></script><script src="tripledes.js"></script><script src="mode-ecb-min.js"></script><script type="text/javascript">var key = 'BOTWAVEE';//CBC模式加密function encryptByDESModeCBC(message) {var keyHex = CryptoJS.enc.Utf8.parse(key); var ivHex = CryptoJS.enc.Utf8.parse(key); encrypted = CryptoJS.DES.encrypt(message, keyHex, {iv:ivHex,mode: CryptoJS.mode.CBC,padding:CryptoJS.pad.Pkcs7} );return encrypted.ciphertext.toString();}//CBC模式解密function decryptByDESModeCBC(ciphertext2) {var keyHex = CryptoJS.enc.Utf8.parse(key); var ivHex = CryptoJS.enc.Utf8.parse(key);// direct decrypt ciphertextvar decrypted = CryptoJS.DES.decrypt({ciphertext: CryptoJS.enc.Hex.parse(ciphertext2)}, keyHex, {iv:ivHex,mode: CryptoJS.mode.CBC,padding: CryptoJS.pad.Pkcs7});return decrypted.toString(CryptoJS.enc.Utf8);}//DES ECB模式加密function encryptByDESModeEBC(message){var keyHex = CryptoJS.enc.Utf8.parse(key);var encrypted = CryptoJS.DES.encrypt(message, keyHex, {mode: CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7});return encrypted.ciphertext.toString();}//DES ECB模式解密function decryptByDESModeEBC(ciphertext){var keyHex = CryptoJS.enc.Utf8.parse(key);var decrypted = CryptoJS.DES.decrypt({ciphertext: CryptoJS.enc.Hex.parse(ciphertext)}, keyHex, {mode: CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7});var result_value = decrypted.toString(CryptoJS.enc.Utf8);return result_value;}function test(){var source = $("#source").val();var cc = encryptByDESModeEBC(CryptoJS.enc.Utf8.parse(source));$("#target").val(cc);}function test1(){var source = $("#sourceS").val();var dd = decryptByDESModeEBC(source);$("#jiemi").val(dd);}</script></head><body> <div>加密前：<textarea id="source" value="" style="width:500px;height:90px;" /></textarea><hr>加密后：<textarea id="target" value="" style="width:500px;height:90px;" ></textarea><hr><input type="button" onclick="test();" name="" value="加密" /><hr>密文：<textarea id="sourceS" value="" width="400px" style="width:500px;height:90px;" ></textarea><hr>解密后：<textarea id="jiemi" value="" style="width:500px;height:90px;" ></textarea><hr><input type="button" onclick="test1();" name="" value="解密"/> </div></body></html>tripledes.js 為 DES主文件 自帶 CBC模塊
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