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<html>
<head>
<title>AES加解密</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<script src="/assets/js/aes.js"></script>
<script>
function getByteLen(val) {
var len = 0;
for (var i = 0; i < val.length; i++) {
if (val[i].match(/[^\x00-\xff]/ig) != null) len += 3;
else len += 1;
}
return len;
}
function onbtnEncrypto() {
var plaintText = document.getElementById("input").value;
var keyword = document.getElementById("inputkey").value;
if (plaintText.replace(/(^\s*)|(\s*$)/g, "") == '') {
alert("输入要加密的内容！");
return;
}
if (keyword.replace(/(^\s*)|(\s*$)/g, "") == '') {
alert("输入要加密的key！");
return;
}
while (getByteLen(keyword) % 8 != 0) {
keyword = keyword + "\0";
}
var key = CryptoJS.enc.Utf8.parse(keyword);
var encryptedData = CryptoJS.AES.encrypt(plaintText, key, {
mode: CryptoJS.mode.ECB,
padding: CryptoJS.pad.Pkcs7
});
encryptedData = encryptedData.ciphertext.toString();
document.getElementById("output").value = encryptedData;
}
function onbtnDecrypto() {
var encryptedData = document.getElementById("input").value;
var keyword = document.getElementById("inputkey").value;
if (encryptedData.replace(/(^\s*)|(\s*$)/g, "") == '') {
alert("输入要加密的内容！");
return;
}
if (keyword.replace(/(^\s*)|(\s*$)/g, "") == '') {
alert("输入要加密的key！");
return;
}
while (getByteLen(keyword) % 8 != 0) {
keyword = keyword + "\0";
}
var key = CryptoJS.enc.Utf8.parse(keyword);
var encryptedHexStr = CryptoJS.enc.Hex.parse(encryptedData);
var encryptedBase64Str = CryptoJS.enc.Base64.stringify(encryptedHexStr);
var decryptedData = CryptoJS.AES.decrypt(encryptedBase64Str, key, {
mode: CryptoJS.mode.ECB,
padding: CryptoJS.pad.Pkcs7
});
if (decryptedData.sigBytes < 0) {
document.getElementById("output").value = "解密失败！密文或者key错误!";
return;
}
try {
decryptedData.toString(CryptoJS.enc.Utf8)
} catch(e) {
document.getElementById("output").value = "解密失败！密文或者key错误!";
return;
}
var decryptedStr = decryptedData.toString(CryptoJS.enc.Utf8);
document.getElementById("output").value = decryptedStr;
}
</script>
</head>
<body>
<div>
<br />
<textarea id="input" name="input" style="width: 80%" rows="8">这里是要加密的内容!</textarea>
<br />key:
<input id="inputkey" type="text" />
<br />
<p> <button id="en" class="btn" onclick="onbtnEncrypto()" style="width:100px">加密</button> <button id="de" class="btn" onclick="onbtnDecrypto()" style="width:100px">解密</button> </p>
<textarea id="output" name="output" style="width: 80%" rows="10"></textarea>
</div>
</body>
</html> |