<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>JS设置DES加密处理</title>
<script type="text/javascript" src="../script/jquery.min.js"></script>
<script src="../script/rollups/tripledes.js"></script>
<script src="../script/components/mode-ecb.js"></script>
<script>
//DES 解密 加密
function encryptByDES(message, key) {
var keyHex = CryptoJS.enc.Utf8.parse(key);
var encrypted = CryptoJS.DES.encrypt(message, keyHex, {
mode : CryptoJS.mode.ECB,
padding : CryptoJS.pad.Pkcs7
});
return encrypted.toString();
}
//DES 解密
function decryptByDES(ciphertext, key) {
var keyHex = CryptoJS.enc.Utf8.parse(key);
// direct decrypt ciphertext
var decrypted = CryptoJS.DES.decrypt({
ciphertext : CryptoJS.enc.Base64.parse(ciphertext)
}, keyHex, {
mode : CryptoJS.mode.ECB,
padding : CryptoJS.pad.Pkcs7
});
return decrypted.toString(CryptoJS.enc.Utf8);
}
</script>
<script>
//加密
function encryptStr() {
var strKey = $.trim($(‘#key‘).val());
var strMsg = $.trim($(‘#text1‘).val());
$(‘#text2‘).val(encryptByDES(strMsg, strKey));
}
//解密
function decryptStr() {
var strKey = $.trim($(‘#key‘).val());
var ciphertext = $.trim($(‘#text2‘).val());
$(‘#text3‘).val(decryptByDES(ciphertext, strKey));
}
</script>
</head>
<body>
<h1>JS设置DES加密处理</h1>
<label>key</label>
<input type="text" value=‘12345678‘ id="key" />
<div>
<textarea id="text1" placeholder="请输入需要加密的字符">abcde12345这个中文!@#!@$#%$#^%(":‘‘")[]=_-</textarea>
<input type="button" value="加密" onclick="encryptStr();" />
<textarea id="text2"></textarea>
<input type="button" value="解密" onclick="decryptStr();" />
<textarea id="text3"></textarea>
</div>
</body>
</html>
原文：http://www.cnblogs.com/yangxu6069/p/4844117.html