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| //aes加密
function encrypt(word, keyy, ivv) {
var key = keyy ? CryptoJS.enc.Utf8.parse(keyy) : CryptoJS.enc.Utf8.parse("1234560000000000"); //16位
var iv = ivv ? CryptoJS.enc.Utf8.parse(ivv) : CryptoJS.enc.Utf8.parse("1234567890000000");
var encrypted = '';
if (typeof (word) == 'string') {
var srcs = CryptoJS.enc.Utf8.parse(word);
encrypted = CryptoJS.AES.encrypt(srcs, key, {
iv: iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
} else if (typeof (word) == 'object') { //对象格式的转成json字符串
data = JSON.stringify(word);
var srcs = CryptoJS.enc.Utf8.parse(data);
encrypted = CryptoJS.AES.encrypt(srcs, key, {
iv: iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
})
}
return encrypted.ciphertext.toString();
}
// aes解密
function decrypt(word, keyy, ivv) {
var key = keyy ? CryptoJS.enc.Utf8.parse(keyy) : CryptoJS.enc.Utf8.parse("1234560000000000");
var iv = ivv ? CryptoJS.enc.Utf8.parse(ivv) : CryptoJS.enc.Utf8.parse("1234567890000000");
var encryptedHexStr = CryptoJS.enc.Hex.parse(word);
var srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
var decrypt = CryptoJS.AES.decrypt(srcs, key, {
iv: iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
var decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
return decryptedStr.toString();
}
var lock = document.createElement("div"),
input = document.createElement("input"),
inputIvv = document.createElement("input"),
btn1 = document.createElement("button"),
btn2 = document.createElement("button"),
markdown = document.querySelector(".markdown-body");
markdown.style.display="none"
lock.id = "lock";
input.id = "lock-input";
inputIvv.id = "lock-inputIvv";
input.type="password";
inputIvv.type="password";
btn1.id = "lock-btn1";
btn2.id = "lock-btn2";
btn1.innerHTML = "解密";
btn2.innerHTML = "加密";
document.body.appendChild(lock);
lock.appendChild(input);
lock.appendChild(inputIvv);
lock.appendChild(btn1);
lock.appendChild(btn2);
btn1.onclick = function () {
var keyy = input.value;
var ivv = inputIvv.value;
var markdownValue = markdown.innerHTML.trim();
//去除生成干扰，我的文章每次生成会自动包一层div，这一步是为了保证密文永不改变内容，你们不需要这一步
var str = markdownValue.slice(3,-4);
console.log(str);
var decr = decrypt(str.toString(), keyy, ivv);
markdown.innerHTML = decr.trim();
markdown.style.display="block"
}
btn2.onclick = function () {
var keyy = input.value;
var ivv = inputIvv.value;
var markdownValue = markdown.innerHTML.trim();
var str = markdownValue;
var decr = encrypt(str.toString(), keyy, ivv);
markdown.innerHTML = decr.trim();
markdown.style.display="block"
}
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