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encrypt.html
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encrypt.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>加密HTML</title>
<style>
.main {
width: 60%;
margin: 0 auto;
}
.main>* {
margin-top: 10px;
}
textarea {
border-radius: 3px;
width: 100%;
height: 200px;
}
#passData {
width: 100%;
}
</style>
</head>
<body>
<div class="main">
<div>请输入密码</div>
<input id="passData" placeholder="密码（越复杂安全性越好）" />
<div>
<label for="enableCompress">是否压缩</label>
<input type="checkbox" id="enableCompress" checked="true">
</div>
<div>
<label for="enableRemember">允许记住密码</label>
<input type="checkbox" id="enableRemember" checked="true">
</div>
<div id="expireRemember">
<span>记住密码有效期（单位：天）</span>
<input id="expireDays" placeholder="默认：0（永不过期）" />
</div>
<div>请输入要加密的HTML内容</div>
<textarea id="inputData" placeholder="<html><head>..."></textarea>
<button id="genHTML">生成加密HTML</button>
<textarea id="outputData" style="display: none;"></textarea>
<button id="downHTML" style="display: none;">下载加密HTML文件</button>
</div>
<script>
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</script>
<script>
const sjcl = {
cipher: {},
hash: {},
keyexchange: {},
mode: {},
misc: {},
codec: {},
exception: {
corrupt: function (message) {
this.toString = function () { return "CORRUPT: " + this.message; };
this.message = message;
},
invalid: function (message) {
this.toString = function () { return "INVALID: " + this.message; };
this.message = message;
},
bug: function (message) {
this.toString = function () { return "BUG: " + this.message; };
this.message = message;
},
notReady: function (message) {
this.toString = function () { return "NOT READY: " + this.message; };
this.message = message;
}
}
};
sjcl.bitArray = {
bitSlice: function (a, bstart, bend) {
a = sjcl.bitArray._shiftRight(a.slice(bstart / 32), 32 - (bstart & 31)).slice(1);
return (bend === undefined) ? a : sjcl.bitArray.clamp(a, bend - bstart);
},
concat: function (a1, a2) {
if (a1.length === 0 || a2.length === 0) {
return a1.concat(a2);
}
let last = a1[a1.length - 1], shift = sjcl.bitArray.getPartial(last);
if (shift === 32) {
return a1.concat(a2);
} else {
return sjcl.bitArray._shiftRight(a2, shift, last | 0, a1.slice(0, a1.length - 1));
}
},
bitLength: function (a) {
let l = a.length, x;
if (l === 0) { return 0; }
x = a[l - 1];
return (l - 1) * 32 + sjcl.bitArray.getPartial(x);
},
clamp: function (a, len) {
if (a.length * 32 < len) { return a; }
a = a.slice(0, Math.ceil(len / 32));
let l = a.length;
len = len & 31;
if (l > 0 && len) {
a[l - 1] = sjcl.bitArray.partial(len, a[l - 1] & 0x80000000 >> (len - 1), 1);
}
return a;
},
partial: function (len, x, _end) {
if (len === 32) { return x; }
return (_end ? x | 0 : x << (32 - len)) + len * 0x10000000000;
},
getPartial: function (x) {
return Math.round(x / 0x10000000000) || 32;
},
equal: function (a, b) {
if (sjcl.bitArray.bitLength(a) !== sjcl.bitArray.bitLength(b)) {
return false;
}
let x = 0, i;
for (i = 0; i < a.length; i++) {
x |= a[i] ^ b[i];
}
return (x === 0);
},
_shiftRight: function (a, shift, carry, out) {
let i, last2 = 0, shift2;
if (out === undefined) { out = []; }
for (; shift >= 32; shift -= 32) {
out.push(carry);
carry = 0;
}
if (shift === 0) {
return out.concat(a);
}
for (i = 0; i < a.length; i++) {
out.push(carry | a[i] >>> shift);
carry = a[i] << (32 - shift);
}
last2 = a.length ? a[a.length - 1] : 0;
shift2 = sjcl.bitArray.getPartial(last2);
out.push(sjcl.bitArray.partial(shift + shift2 & 31, (shift + shift2 > 32) ? carry : out.pop(), 1));
return out;
}
};
sjcl.codec.bytes = {
fromBits: function (arr) {
let out = [], bl = sjcl.bitArray.bitLength(arr), i, tmp;
for (i = 0; i < bl / 8; i++) {
if ((i & 3) === 0) {
tmp = arr[i / 4];
}
out.push(tmp >>> 24);
tmp <<= 8;
}
return out;
},
toBits: function (bytes) {
let out = [], i, tmp = 0;
for (i = 0; i < bytes.length; i++) {
tmp = tmp << 8 | bytes[i];
if ((i & 3) === 3) {
out.push(tmp);
tmp = 0;
}
}
if (i & 3) {
out.push(sjcl.bitArray.partial(8 * (i & 3), tmp));
}
return out;
}
};
sjcl.codec.utf8String = {
fromBits: function (arr) {
let out = "", bl = sjcl.bitArray.bitLength(arr), i, tmp;
for (i = 0; i < bl / 8; i++) {
if ((i & 3) === 0) {
tmp = arr[i / 4];
}
out += String.fromCharCode(tmp >>> 8 >>> 8 >>> 8);
tmp <<= 8;
}
return decodeURIComponent(escape(out));
},
toBits: function (str) {
str = unescape(encodeURIComponent(str));
let out = [], i, tmp = 0;
for (i = 0; i < str.length; i++) {
tmp = tmp << 8 | str.charCodeAt(i);
if ((i & 3) === 3) {
out.push(tmp);
tmp = 0;
}
}
if (i & 3) {
out.push(sjcl.bitArray.partial(8 * (i & 3), tmp));
}
return out;
}
};
sjcl.hash.sha1 = function (hash) {
if (hash) {
this._h = hash._h.slice(0);
this._buffer = hash._buffer.slice(0);
this._length = hash._length;
} else {
this.reset();
}
};
sjcl.hash.sha1.hash = function (data) {
return (new sjcl.hash.sha1()).update(data).finalize();
};
sjcl.hash.sha1.prototype = {
blockSize: 512,
reset: function () {
this._h = this._init.slice(0);
this._buffer = [];
this._length = 0;
return this;
},
update: function (data) {
if (typeof data === "string") {
data = sjcl.codec.utf8String.toBits(data);
}
let i, b = this._buffer = sjcl.bitArray.concat(this._buffer, data),
ol = this._length,
nl = this._length = ol + sjcl.bitArray.bitLength(data);
if (nl > 9007199254740991) {
throw new sjcl.exception.invalid("Cannot hash more than 2^53 - 1 bits");
}
if (typeof Uint32Array !== "undefined") {
let c = new Uint32Array(b);
let j = 0;
for (i = this.blockSize + ol - ((this.blockSize + ol) & (this.blockSize - 1)); i <= nl;
i += this.blockSize) {
this._block(c.subarray(16 * j, 16 * (j + 1)));
j += 1;
}
b.splice(0, 16 * j);
} else {
for (i = this.blockSize + ol - ((this.blockSize + ol) & (this.blockSize - 1)); i <= nl;
i += this.blockSize) {
this._block(b.splice(0, 16));
}
}
return this;
},
finalize: function () {
let i, b = this._buffer, h = this._h;
b = sjcl.bitArray.concat(b, [sjcl.bitArray.partial(1, 1)]);
for (i = b.length + 2; i & 15; i++) {
b.push(0);
}
b.push(Math.floor(this._length / 0x100000000));
b.push(this._length | 0);
while (b.length) {
this._block(b.splice(0, 16));
}
this.reset();
return h;
},
_init: [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0],
_key: [0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6],
_f: function (t, b, c, d) {
if (t <= 19) {
return (b & c) | (~b & d);
} else if (t <= 39) {
return b ^ c ^ d;
} else if (t <= 59) {
return (b & c) | (b & d) | (c & d);
} else if (t <= 79) {
return b ^ c ^ d;
}
},
_S: function (n, x) {
return (x << n) | (x >>> 32 - n);
},
_block: function (words) {
let t, tmp, a, b, c, d, e,
h = this._h;
let w;
if (typeof Uint32Array !== "undefined") {
w = Array(80);
for (let j = 0; j < 16; j++) {
w[j] = words[j];
}
} else {
w = words;
}
a = h[0]; b = h[1]; c = h[2]; d = h[3]; e = h[4];
for (t = 0; t <= 79; t++) {
if (t >= 16) {
w[t] = this._S(1, w[t - 3] ^ w[t - 8] ^ w[t - 14] ^ w[t - 16]);
}
tmp = (this._S(5, a) + this._f(t, b, c, d) + e + w[t] +
this._key[Math.floor(t / 20)]) | 0;
e = d;
d = c;
c = this._S(30, b);
b = a;
a = tmp;
}
h[0] = (h[0] + a) | 0;
h[1] = (h[1] + b) | 0;
h[2] = (h[2] + c) | 0;
h[3] = (h[3] + d) | 0;
h[4] = (h[4] + e) | 0;
}
};
sjcl.cipher.aes = function (key) {
if (!this._tables[0][0][0]) {
this._precompute();
}
let i, j, tmp,
encKey, decKey,
sbox = this._tables[0][4], decTable = this._tables[1],
keyLen = key.length, rcon = 1;
if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {
throw new sjcl.exception.invalid("invalid aes key size");
}
this._key = [encKey = key.slice(0), decKey = []];
for (i = keyLen; i < 4 * keyLen + 28; i++) {
tmp = encKey[i - 1];
if (i % keyLen === 0 || (keyLen === 8 && i % keyLen === 4)) {
tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255];
if (i % keyLen === 0) {
tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;
rcon = rcon << 1 ^ (rcon >> 7) * 283;
}
}
encKey[i] = encKey[i - keyLen] ^ tmp;
}
for (j = 0; i; j++, i--) {
tmp = encKey[j & 3 ? i : i - 4];
if (i <= 4 || j < 4) {
decKey[j] = tmp;
} else {
decKey[j] = decTable[0][sbox[tmp >>> 24]] ^
decTable[1][sbox[tmp >> 16 & 255]] ^
decTable[2][sbox[tmp >> 8 & 255]] ^
decTable[3][sbox[tmp & 255]];
}
}
};
sjcl.cipher.aes.prototype = {
encrypt: function (data) { return this._crypt(data, 0); },
decrypt: function (data) { return this._crypt(data, 1); },
_tables: [[[], [], [], [], []], [[], [], [], [], []]],
_precompute: function () {
let encTable = this._tables[0], decTable = this._tables[1],
sbox = encTable[4], sboxInv = decTable[4],
i, x, xInv, d = [], th = [], x2, x4, x8, s, tEnc, tDec;
for (i = 0; i < 256; i++) {
th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;
}
for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {
s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;
s = s >> 8 ^ s & 255 ^ 99;
sbox[x] = s;
sboxInv[s] = x;
x8 = d[x4 = d[x2 = d[x]]];
tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;
tEnc = d[s] * 0x101 ^ s * 0x1010100;
for (i = 0; i < 4; i++) {
encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;
decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;
}
}
for (i = 0; i < 5; i++) {
encTable[i] = encTable[i].slice(0);
decTable[i] = decTable[i].slice(0);
}
},
_crypt: function (input, dir) {
if (input.length !== 4) {
throw new sjcl.exception.invalid("invalid aes block size");
}
let key = this._key[dir],
a = input[0] ^ key[0],
b = input[dir ? 3 : 1] ^ key[1],
c = input[2] ^ key[2],
d = input[dir ? 1 : 3] ^ key[3],
a2, b2, c2,
nInnerRounds = key.length / 4 - 2,
i,
kIndex = 4,
out = [0, 0, 0, 0],
table = this._tables[dir],
t0 = table[0],
t1 = table[1],
t2 = table[2],
t3 = table[3],
sbox = table[4];
for (i = 0; i < nInnerRounds; i++) {
a2 = t0[a >>> 24] ^ t1[b >> 16 & 255] ^ t2[c >> 8 & 255] ^ t3[d & 255] ^ key[kIndex];
b2 = t0[b >>> 24] ^ t1[c >> 16 & 255] ^ t2[d >> 8 & 255] ^ t3[a & 255] ^ key[kIndex + 1];
c2 = t0[c >>> 24] ^ t1[d >> 16 & 255] ^ t2[a >> 8 & 255] ^ t3[b & 255] ^ key[kIndex + 2];
d = t0[d >>> 24] ^ t1[a >> 16 & 255] ^ t2[b >> 8 & 255] ^ t3[c & 255] ^ key[kIndex + 3];
kIndex += 4;
a = a2; b = b2; c = c2;
}
for (i = 0; i < 4; i++) {
out[dir ? 3 & -i : i] =
sbox[a >>> 24] << 24 ^
sbox[b >> 16 & 255] << 16 ^
sbox[c >> 8 & 255] << 8 ^
sbox[d & 255] ^
key[kIndex++];
a2 = a; a = b; b = c; c = d; d = a2;
}
return out;
}
};
sjcl.misc.hmac = function (key, Hash) {
this._hash = Hash = Hash || sjcl.hash.sha1;
let exKey = [[], []], i,
bs = Hash.prototype.blockSize / 32;
this._baseHash = [new Hash(), new Hash()];
if (key.length > bs) {
key = Hash.hash(key);
}
for (i = 0; i < bs; i++) {
exKey[0][i] = key[i] ^ 0x36363636;
exKey[1][i] = key[i] ^ 0x5C5C5C5C;
}
this._baseHash[0].update(exKey[0]);
this._baseHash[1].update(exKey[1]);
this._resultHash = new Hash(this._baseHash[0]);
};
sjcl.misc.hmac.prototype.encrypt = sjcl.misc.hmac.prototype.mac = function (data) {
if (!this._updated) {
this.update(data);
return this.digest(data);
} else {
throw new sjcl.exception.invalid("encrypt on already updated hmac called!");
}
};
sjcl.misc.hmac.prototype.reset = function () {
this._resultHash = new this._hash(this._baseHash[0]);
this._updated = false;
};
sjcl.misc.hmac.prototype.update = function (data) {
this._updated = true;
this._resultHash.update(data);
};
sjcl.misc.hmac.prototype.digest = function () {
let w = this._resultHash.finalize(), result = new (this._hash)(this._baseHash[1]).update(w).finalize();
this.reset();
return result;
};
sjcl.misc.pbkdf2 = function (password, salt, count, length, Prff) {
count = count || 10000;
if (length < 0 || count < 0) {
throw new sjcl.exception.invalid("invalid params to pbkdf2");
}
if (typeof password === "string") {
password = sjcl.codec.utf8String.toBits(password);
}
if (typeof salt === "string") {
salt = sjcl.codec.utf8String.toBits(salt);
}
Prff = Prff || sjcl.misc.hmac;
let prf = new Prff(password),
u, ui, i, j, k, out = [], b = sjcl.bitArray;
for (k = 1; 32 * out.length < (length || 1); k++) {
u = ui = prf.encrypt(b.concat(salt, [k]));
for (i = 1; i < count; i++) {
ui = prf.encrypt(ui);
for (j = 0; j < ui.length; j++) {
u[j] ^= ui[j];
}
}
out = out.concat(u);
}
if (length) { out = b.clamp(out, length); }
return out;
};
sjcl.random = {
randomWords: function (nbytes) {
function getCryptoModule() {
try {
return require("crypto");
}
catch (e) {
return null;
}
}
let crypto;
if (typeof window !== "undefined") {
if (window.crypto) {
crypto = window.crypto;
} else if (window.msCrypto) {
crypto = window.msCrypto;
}
} else if (typeof self !== "undefined" && self.crypto) {
crypto = self.crypto;
} else if (typeof module !== "undefined" && module.exports) {
crypto = getCryptoModule();
} else if (typeof global !== "undefined" && global.crypto) {
crypto = global.crypto;
}
try {
if (crypto) {
if (crypto.getRandomValues) {
return sjcl.codec.bytes.toBits(crypto.getRandomValues(new Uint8Array(nbytes)));
}
if (crypto.randomBytes) {
return sjcl.codec.bytes.toBits(new Uint8Array(crypto.randomBytes(nbytes)));
}
} else {
return getRandomValues(nbytes);
}
} catch (e) {
return getRandomValues(nbytes);
}
},
getRandomValues: function (nbytes) {
let words = [];
let r = function (m_w) {
let m_z = 0x3ade68b1;
let mask = 0xffffffff;
return function () {
m_z = (0x9069 * (m_z & 0xFFFF) + (m_z >> 0x10)) & mask;
m_w = (0x4650 * (m_w & 0xFFFF) + (m_w >> 0x10)) & mask;
let result = ((m_z << 0x10) + m_w) & mask;
result /= 0x100000000;
result += 0.5;
return result * (Math.random() > .5 ? 1 : -1);
};
};
for (let i = 0, rcache; i < nbytes; i += 4) {
let _r = r((rcache || Math.random()) * 0x100000000);
rcache = _r() * 0x3ade67b7;
words.push((_r() * 0x100000000) | 0);
}
return words;
}
};
sjcl.mode.ctr = {
name: "ctr",
encrypt: function (prf, plaintext, iv) {
return sjcl.mode.ctr._calculate(prf, plaintext, iv);
},
decrypt: function (prf, ciphertext, iv) {
return sjcl.mode.ctr._calculate(prf, ciphertext, iv);
},
_calculate: function (prf, data, iv) {
let l, bl, res, c, d, e, i;
if (sjcl.bitArray.bitLength(iv) !== 128) {
throw new sjcl.exception.invalid("ctr iv must be 128 bits");
}
if (!(l = data.length)) {
return [];
}
c = iv.slice(0);
d = data.slice(0);
bl = sjcl.bitArray.bitLength(d);
for (i = 0; i < l; i += 4) {
e = prf.encrypt(c);
d[i] ^= e[0];
d[i + 1] ^= e[1];
d[i + 2] ^= e[2];
d[i + 3] ^= e[3];
for (let carry = 3; carry >= 0; carry--) {
if (++c[carry]) break;
}
}
return sjcl.bitArray.clamp(d, bl);
}
};
</script>
<script>
enableRemember.onchange = () => {
expireRemember.style.display = enableRemember.checked ? "block" : "none";
}
genHTML.onclick = () => {
downHTML.style.display = outputData.style.display = "none";
if (!passData.value) {
alert("密码不能为空！");
return;
}
if (!inputData.value) {
alert("HTML不能为空！");
return;
}
encryptString(inputData.value, passData.value);
}
downHTML.onclick = () => {
let a = document.createElement("a");
a.download = "encrypted_index.html";
a.href = URL.createObjectURL(new Blob([outputData.value]));
a.click();
}
const encoder = new TextEncoder();
const decoder = new TextDecoder();
const passwordVerifierLen = 4;
const aesKeyLen = 16;
const saltLen = 8;
function encryptString(data, password) {
const salt = sjcl.random.randomWords(saltLen);
const derivedKey = sjcl.misc.pbkdf2(password, salt, 1000, (aesKeyLen + passwordVerifierLen) * 8);
const aesKey = sjcl.bitArray.bitSlice(derivedKey, 0, aesKeyLen * 8);
const derivedPassVerifier = sjcl.bitArray.bitSlice(derivedKey, aesKeyLen * 8);
const preData = sjcl.bitArray.concat(salt, derivedPassVerifier);
let uint8Data = encoder.encode(data);
if (enableCompress.checked) {
uint8Data = deflateSync(uint8Data);
}
const result = sjcl.mode.ctr.encrypt(new sjcl.cipher.aes(aesKey), sjcl.codec.bytes.toBits(uint8Data), [0, 0, 0, 0]);
const reader = new FileReader()
reader.onload = () => {
let baseRes = reader.result.substring(reader.result.indexOf(',') + 1);
let htmlRes = `<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>加密页面</title>
<style>
* {
box-sizing: border-box;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important;
}
#loadMask {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
z-index: 100;
background-color: #edeff2;
display: flex;
justify-content: center;
align-items: center;
}
#loadMask>div {
text-align: center;
}
#loadMask>div>div {
font-size: 40px;
color: #909090;
}
#loadMask svg {
width: 160px;
height: 80px;
}
.passArea {
width: 200px;
}
#passData {
height: 40px;
display: block;
outline: none;
border: none;
width: 100%;
padding-left: 10px;
font-size: 18px;
border-radius: 3px;
-webkit-text-security: disc;
}
.activeBtn {
background: #99c959 !important;
}
label {
margin-top: 8px;
font-size: 16px;
display: flex;
color: #909090;
align-items: center;
line-height: 20px;
height: 20px;
}
#rememberMe {
-webkit-appearance: none;
appearance: none;
width: 20px;
height: 20px;
border: 2px solid #909090;
border-radius: 2px;
margin: 0 8px 0 0;
}
#rememberMe::before {
content: "";
display: block;
/* margin: 1px; */
width: 16px;
height: 16px;
transform: scale(0);
background: #99c959;
clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}
#rememberMe:checked::before {
transform: scale(1);
}
#goChat {
margin-top: 8px;
font-size: 18px;
background: #b8da8b;
border-radius: 3px;
height: 100%;
color: white;
padding: 0 15px;
text-align: center;
line-height: 40px;
cursor: pointer;
}
</style>
</head>
<body>
<div id="loadMask">
<div>
<div>ChatGPT</div>
<svg viewBox="0 0 200 100" preserveAspectRatio="xMidYMid">
<g transform="translate(50 50)">
<circle cx="0" cy="0" r="15" fill="#e15b64">
<animateTransform attributeName="transform" type="scale" begin="-0.3333333333333333s"
calcMode="spline" keySplines="0.3 0 0.7 1;0.3 0 0.7 1" values="0;1;0" keyTimes="0;0.5;1"
dur="1s" repeatCount="indefinite"></animateTransform>
</circle>
</g>
<g transform="translate(100 50)">
<circle cx="0" cy="0" r="15" fill="#f8b26a">
<animateTransform attributeName="transform" type="scale" begin="-0.16666666666666666s"
calcMode="spline" keySplines="0.3 0 0.7 1;0.3 0 0.7 1" values="0;1;0" keyTimes="0;0.5;1"
dur="1s" repeatCount="indefinite"></animateTransform>
</circle>
</g>
<g transform="translate(150 50)">
<circle cx="0" cy="0" r="15" fill="#99c959">
<animateTransform attributeName="transform" type="scale" begin="0s" calcMode="spline"
keySplines="0.3 0 0.7 1;0.3 0 0.7 1" values="0;1;0" keyTimes="0;0.5;1" dur="1s"
repeatCount="indefinite"></animateTransform>
</circle>
</g>
</svg>
<div class="passArea">
<input id="passData" type="text" placeholder="请输入密码" autocomplete="off" />
`+ (enableRemember.checked ? `<label for="rememberMe">
<input type="checkbox" id="rememberMe" checked="true">
记住密码
</label>`: "") +
`<div id="goChat">开始</div>
</div>
</div>
</div>
` + (enableCompress.checked ? `<script>
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<\/script>` : "") +
`<script>
const sjcl = {
cipher: {},
hash: {},
keyexchange: {},
mode: {},
misc: {},
codec: {},
exception: {
corrupt: function (message) {
this.toString = function () {return "CORRUPT: " + this.message;};
this.message = message;
},
invalid: function (message) {
this.toString = function () {return "INVALID: " + this.message;};
this.message = message;
},
bug: function (message) {
this.toString = function () {return "BUG: " + this.message;};
this.message = message;
},
notReady: function (message) {
this.toString = function () {return "NOT READY: " + this.message;};
this.message = message;
}
}
};
sjcl.bitArray = {
bitSlice: function (a, bstart, bend) {
a = sjcl.bitArray._shiftRight(a.slice(bstart / 32), 32 - (bstart & 31)).slice(1);
return (bend === undefined) ? a : sjcl.bitArray.clamp(a, bend - bstart);
},
concat: function (a1, a2) {
if (a1.length === 0 || a2.length === 0) {
return a1.concat(a2);
}
let last = a1[a1.length - 1], shift = sjcl.bitArray.getPartial(last);
if (shift === 32) {
return a1.concat(a2);
} else {
return sjcl.bitArray._shiftRight(a2, shift, last | 0, a1.slice(0, a1.length - 1));
}
},
bitLength: function (a) {
let l = a.length, x;
if (l === 0) {return 0;}
x = a[l - 1];
return (l - 1) * 32 + sjcl.bitArray.getPartial(x);
},
clamp: function (a, len) {
if (a.length * 32 < len) {return a;}
a = a.slice(0, Math.ceil(len / 32));
let l = a.length;
len = len & 31;
if (l > 0 && len) {
a[l - 1] = sjcl.bitArray.partial(len, a[l - 1] & 0x80000000 >> (len - 1), 1);
}
return a;
},
partial: function (len, x, _end) {
if (len === 32) {return x;}
return (_end ? x | 0 : x << (32 - len)) + len * 0x10000000000;
},
getPartial: function (x) {
return Math.round(x / 0x10000000000) || 32;
},
equal: function (a, b) {
if (sjcl.bitArray.bitLength(a) !== sjcl.bitArray.bitLength(b)) {
return false;
}
let x = 0, i;
for (i = 0; i < a.length; i++) {
x |= a[i] ^ b[i];
}
return (x === 0);
},
_shiftRight: function (a, shift, carry, out) {
let i, last2 = 0, shift2;
if (out === undefined) {out = [];}
for (; shift >= 32; shift -= 32) {
out.push(carry);
carry = 0;
}
if (shift === 0) {
return out.concat(a);
}
for (i = 0; i < a.length; i++) {
out.push(carry | a[i] >>> shift);
carry = a[i] << (32 - shift);
}
last2 = a.length ? a[a.length - 1] : 0;
shift2 = sjcl.bitArray.getPartial(last2);
out.push(sjcl.bitArray.partial(shift + shift2 & 31, (shift + shift2 > 32) ? carry : out.pop(), 1));
return out;
}
};
sjcl.codec.bytes = {
fromBits: function (arr) {
let out = [], bl = sjcl.bitArray.bitLength(arr), i, tmp;
for (i = 0; i < bl / 8; i++) {
if ((i & 3) === 0) {
tmp = arr[i / 4];
}
out.push(tmp >>> 24);
tmp <<= 8;
}
return out;
},
toBits: function (bytes) {
let out = [], i, tmp = 0;
for (i = 0; i < bytes.length; i++) {
tmp = tmp << 8 | bytes[i];
if ((i & 3) === 3) {
out.push(tmp);
tmp = 0;
}
}
if (i & 3) {
out.push(sjcl.bitArray.partial(8 * (i & 3), tmp));
}
return out;
}
};
sjcl.codec.utf8String = {
fromBits: function (arr) {
let out = "", bl = sjcl.bitArray.bitLength(arr), i, tmp;
for (i = 0; i < bl / 8; i++) {
if ((i & 3) === 0) {
tmp = arr[i / 4];
}
out += String.fromCharCode(tmp >>> 8 >>> 8 >>> 8);
tmp <<= 8;
}
return decodeURIComponent(escape(out));
},
toBits: function (str) {
str = unescape(encodeURIComponent(str));
let out = [], i, tmp = 0;
for (i = 0; i < str.length; i++) {
tmp = tmp << 8 | str.charCodeAt(i);
if ((i & 3) === 3) {
out.push(tmp);
tmp = 0;
}
}
if (i & 3) {
out.push(sjcl.bitArray.partial(8 * (i & 3), tmp));
}
return out;
}
};
sjcl.hash.sha1 = function (hash) {
if (hash) {
this._h = hash._h.slice(0);
this._buffer = hash._buffer.slice(0);
this._length = hash._length;
} else {
this.reset();
}
};
sjcl.hash.sha1.hash = function (data) {
return (new sjcl.hash.sha1()).update(data).finalize();
};
sjcl.hash.sha1.prototype = {
blockSize: 512,
reset: function () {
this._h = this._init.slice(0);
this._buffer = [];
this._length = 0;
return this;
},
update: function (data) {
if (typeof data === "string") {
data = sjcl.codec.utf8String.toBits(data);
}
let i, b = this._buffer = sjcl.bitArray.concat(this._buffer, data),
ol = this._length,
nl = this._length = ol + sjcl.bitArray.bitLength(data);
if (nl > 9007199254740991) {
throw new sjcl.exception.invalid("Cannot hash more than 2^53 - 1 bits");
}
if (typeof Uint32Array !== "undefined") {
let c = new Uint32Array(b);
let j = 0;
for (i = this.blockSize + ol - ((this.blockSize + ol) & (this.blockSize - 1)); i <= nl;
i += this.blockSize) {
this._block(c.subarray(16 * j, 16 * (j + 1)));
j += 1;
}
b.splice(0, 16 * j);
} else {
for (i = this.blockSize + ol - ((this.blockSize + ol) & (this.blockSize - 1)); i <= nl;
i += this.blockSize) {
this._block(b.splice(0, 16));
}
}
return this;
},
finalize: function () {
let i, b = this._buffer, h = this._h;
b = sjcl.bitArray.concat(b, [sjcl.bitArray.partial(1, 1)]);
for (i = b.length + 2; i & 15; i++) {
b.push(0);
}
b.push(Math.floor(this._length / 0x100000000));
b.push(this._length | 0);
while (b.length) {
this._block(b.splice(0, 16));
}
this.reset();
return h;
},
_init: [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0],
_key: [0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6],
_f: function (t, b, c, d) {
if (t <= 19) {
return (b & c) | (~b & d);
} else if (t <= 39) {
return b ^ c ^ d;
} else if (t <= 59) {
return (b & c) | (b & d) | (c & d);
} else if (t <= 79) {
return b ^ c ^ d;
}
},
_S: function (n, x) {
return (x << n) | (x >>> 32 - n);
},
_block: function (words) {
let t, tmp, a, b, c, d, e,
h = this._h;