mirror of https://github.com/Mabbs/mabbs.github.io
56 lines
1.7 KiB
HTML
56 lines
1.7 KiB
HTML
---
|
||
layout: post
|
||
---
|
||
|
||
<script src="/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 onbtnDecrypto() {
|
||
var encryptedData = "{{ content | strip_html | strip_newlines }}";
|
||
var keyword = document.getElementById("inputkey").value;
|
||
|
||
if (keyword.replace(/(^\s*)|(\s*$)/g, "") == '') {
|
||
alert("请输入密码！");
|
||
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").innerHTML = "解密失败！密文或者key错误!";
|
||
return;
|
||
}
|
||
try {
|
||
decryptedData.toString(CryptoJS.enc.Utf8)
|
||
} catch(e) {
|
||
document.getElementById("output").innerHTML = "解密失败！密文或者key错误!";
|
||
return;
|
||
}
|
||
var decryptedStr = decryptedData.toString(CryptoJS.enc.Utf8);
|
||
document.getElementById("output").innerHTML = decryptedStr;
|
||
document.getElementById("pwinput").style.display = "none";
|
||
}
|
||
</script>
|
||
<div id="pwinput">{{ page.tips | default: "请输入密码:" }}<br />
|
||
<input id="inputkey" type="password" /> <button onclick="onbtnDecrypto()">解密</button>
|
||
</div>
|
||
<div id="output"></div> <br />
|