435 lines
15 KiB
Python
435 lines
15 KiB
Python
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// All the content in this article is only for learning and communication use, not for any other purpose, strictly prohibited for commercial use and illegal use, otherwise all the consequences are irrelevant to the author!
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// copy from https://github.com/ShilongLee/Crawler/tree/main/lib/js thanks for ShilongLee
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function rc4_encrypt(plaintext, key) {
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var s = [];
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for (var i = 0; i < 256; i++) {
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s[i] = i;
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}
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var j = 0;
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for (var i = 0; i < 256; i++) {
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j = (j + s[i] + key.charCodeAt(i % key.length)) % 256;
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var temp = s[i];
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s[i] = s[j];
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s[j] = temp;
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}
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var i = 0;
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var j = 0;
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var cipher = [];
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for (var k = 0; k < plaintext.length; k++) {
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i = (i + 1) % 256;
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j = (j + s[i]) % 256;
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var temp = s[i];
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s[i] = s[j];
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s[j] = temp;
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var t = (s[i] + s[j]) % 256;
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cipher.push(String.fromCharCode(s[t] ^ plaintext.charCodeAt(k)));
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}
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return cipher.join('');
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}
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function le(e, r) {
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return (e << (r %= 32) | e >>> 32 - r) >>> 0
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}
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function de(e) {
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return 0 <= e && e < 16 ? 2043430169 : 16 <= e && e < 64 ? 2055708042 : void console['error']("invalid j for constant Tj")
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}
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function pe(e, r, t, n) {
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return 0 <= e && e < 16 ? (r ^ t ^ n) >>> 0 : 16 <= e && e < 64 ? (r & t | r & n | t & n) >>> 0 : (console['error']('invalid j for bool function FF'),
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0)
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}
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function he(e, r, t, n) {
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return 0 <= e && e < 16 ? (r ^ t ^ n) >>> 0 : 16 <= e && e < 64 ? (r & t | ~r & n) >>> 0 : (console['error']('invalid j for bool function GG'),
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0)
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}
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function reset() {
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this.reg[0] = 1937774191,
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this.reg[1] = 1226093241,
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this.reg[2] = 388252375,
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this.reg[3] = 3666478592,
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this.reg[4] = 2842636476,
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this.reg[5] = 372324522,
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this.reg[6] = 3817729613,
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this.reg[7] = 2969243214,
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this["chunk"] = [],
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this["size"] = 0
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}
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function write(e) {
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var a = "string" == typeof e ? function (e) {
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n = encodeURIComponent(e)['replace'](/%([0-9A-F]{2})/g, (function (e, r) {
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return String['fromCharCode']("0x" + r)
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}
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))
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, a = new Array(n['length']);
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return Array['prototype']['forEach']['call'](n, (function (e, r) {
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a[r] = e.charCodeAt(0)
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}
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)),
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a
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}(e) : e;
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this.size += a.length;
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var f = 64 - this['chunk']['length'];
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if (a['length'] < f)
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this['chunk'] = this['chunk'].concat(a);
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else
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for (this['chunk'] = this['chunk'].concat(a.slice(0, f)); this['chunk'].length >= 64;)
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this['_compress'](this['chunk']),
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f < a['length'] ? this['chunk'] = a['slice'](f, Math['min'](f + 64, a['length'])) : this['chunk'] = [],
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f += 64
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}
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function sum(e, t) {
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e && (this['reset'](),
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this['write'](e)),
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this['_fill']();
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for (var f = 0; f < this.chunk['length']; f += 64)
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this._compress(this['chunk']['slice'](f, f + 64));
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var i = null;
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if (t == 'hex') {
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i = "";
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for (f = 0; f < 8; f++)
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i += se(this['reg'][f]['toString'](16), 8, "0")
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} else
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for (i = new Array(32),
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f = 0; f < 8; f++) {
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var c = this.reg[f];
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i[4 * f + 3] = (255 & c) >>> 0,
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c >>>= 8,
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i[4 * f + 2] = (255 & c) >>> 0,
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c >>>= 8,
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i[4 * f + 1] = (255 & c) >>> 0,
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c >>>= 8,
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i[4 * f] = (255 & c) >>> 0
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}
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return this['reset'](),
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i
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}
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function _compress(t) {
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if (t < 64)
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console.error("compress error: not enough data");
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else {
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for (var f = function (e) {
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for (var r = new Array(132), t = 0; t < 16; t++)
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r[t] = e[4 * t] << 24,
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r[t] |= e[4 * t + 1] << 16,
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r[t] |= e[4 * t + 2] << 8,
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r[t] |= e[4 * t + 3],
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r[t] >>>= 0;
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for (var n = 16; n < 68; n++) {
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var a = r[n - 16] ^ r[n - 9] ^ le(r[n - 3], 15);
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a = a ^ le(a, 15) ^ le(a, 23),
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r[n] = (a ^ le(r[n - 13], 7) ^ r[n - 6]) >>> 0
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}
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for (n = 0; n < 64; n++)
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r[n + 68] = (r[n] ^ r[n + 4]) >>> 0;
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return r
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}(t), i = this['reg'].slice(0), c = 0; c < 64; c++) {
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var o = le(i[0], 12) + i[4] + le(de(c), c)
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, s = ((o = le(o = (4294967295 & o) >>> 0, 7)) ^ le(i[0], 12)) >>> 0
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, u = pe(c, i[0], i[1], i[2]);
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u = (4294967295 & (u = u + i[3] + s + f[c + 68])) >>> 0;
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var b = he(c, i[4], i[5], i[6]);
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b = (4294967295 & (b = b + i[7] + o + f[c])) >>> 0,
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i[3] = i[2],
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i[2] = le(i[1], 9),
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i[1] = i[0],
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i[0] = u,
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i[7] = i[6],
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i[6] = le(i[5], 19),
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i[5] = i[4],
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i[4] = (b ^ le(b, 9) ^ le(b, 17)) >>> 0
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}
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for (var l = 0; l < 8; l++)
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this['reg'][l] = (this['reg'][l] ^ i[l]) >>> 0
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}
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}
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function _fill() {
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var a = 8 * this['size']
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, f = this['chunk']['push'](128) % 64;
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for (64 - f < 8 && (f -= 64); f < 56; f++)
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this.chunk['push'](0);
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for (var i = 0; i < 4; i++) {
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var c = Math['floor'](a / 4294967296);
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this['chunk'].push(c >>> 8 * (3 - i) & 255)
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}
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for (i = 0; i < 4; i++)
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this['chunk']['push'](a >>> 8 * (3 - i) & 255)
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}
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function SM3() {
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this.reg = [];
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this.chunk = [];
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this.size = 0;
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this.reset()
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}
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SM3.prototype.reset = reset;
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SM3.prototype.write = write;
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SM3.prototype.sum = sum;
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SM3.prototype._compress = _compress;
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SM3.prototype._fill = _fill;
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function result_encrypt(long_str, num = null) {
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let s_obj = {
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"s0": "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
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"s1": "Dkdpgh4ZKsQB80/Mfvw36XI1R25+WUAlEi7NLboqYTOPuzmFjJnryx9HVGcaStCe=",
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"s2": "Dkdpgh4ZKsQB80/Mfvw36XI1R25-WUAlEi7NLboqYTOPuzmFjJnryx9HVGcaStCe=",
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"s3": "ckdp1h4ZKsUB80/Mfvw36XIgR25+WQAlEi7NLboqYTOPuzmFjJnryx9HVGDaStCe",
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"s4": "Dkdpgh2ZmsQB80/MfvV36XI1R45-WUAlEixNLwoqYTOPuzKFjJnry79HbGcaStCe"
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}
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let constant = {
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"0": 16515072,
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"1": 258048,
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"2": 4032,
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"str": s_obj[num],
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}
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let result = "";
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let lound = 0;
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let long_int = get_long_int(lound, long_str);
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for (let i = 0; i < long_str.length / 3 * 4; i++) {
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if (Math.floor(i / 4) !== lound) {
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lound += 1;
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long_int = get_long_int(lound, long_str);
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}
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let key = i % 4;
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switch (key) {
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case 0:
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temp_int = (long_int & constant["0"]) >> 18;
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result += constant["str"].charAt(temp_int);
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break;
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case 1:
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temp_int = (long_int & constant["1"]) >> 12;
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result += constant["str"].charAt(temp_int);
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break;
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case 2:
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temp_int = (long_int & constant["2"]) >> 6;
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result += constant["str"].charAt(temp_int);
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break;
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case 3:
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temp_int = long_int & 63;
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result += constant["str"].charAt(temp_int);
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break;
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default:
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break;
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}
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}
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return result;
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}
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function get_long_int(round, long_str) {
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round = round * 3;
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return (long_str.charCodeAt(round) << 16) | (long_str.charCodeAt(round + 1) << 8) | (long_str.charCodeAt(round + 2));
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}
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function gener_random(random, option) {
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return [
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(random & 255 & 170) | option[0] & 85, // 163
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(random & 255 & 85) | option[0] & 170, //87
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(random >> 8 & 255 & 170) | option[1] & 85, //37
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(random >> 8 & 255 & 85) | option[1] & 170, //41
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]
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}
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//////////////////////////////////////////////
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function generate_rc4_bb_str(url_search_params, user_agent, window_env_str, suffix = "cus", Arguments = [0, 1, 14]) {
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let sm3 = new SM3()
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let start_time = Date.now()
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/**
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* 进行3次加密处理
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* 1: url_search_params两次sm3之的结果
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* 2: 对后缀两次sm3之的结果
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* 3: 对ua处理之后的结果
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*/
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// url_search_params两次sm3之的结果
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let url_search_params_list = sm3.sum(sm3.sum(url_search_params + suffix))
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// 对后缀两次sm3之的结果
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let cus = sm3.sum(sm3.sum(suffix))
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// 对ua处理之后的结果
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let ua = sm3.sum(result_encrypt(rc4_encrypt(user_agent, String.fromCharCode.apply(null, [0.00390625, 1, Arguments[2]])), "s3"))
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//
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let end_time = Date.now()
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// b
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let b = {
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8: 3, // 固定
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10: end_time, //3次加密结束时间
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15: {
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"aid": 6383,
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"pageId": 6241,
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"boe": false,
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"ddrt": 7,
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"paths": {
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"include": [
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{},
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{},
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{},
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{},
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{},
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{},
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{}
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],
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"exclude": []
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},
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"track": {
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"mode": 0,
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"delay": 300,
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"paths": []
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},
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"dump": true,
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"rpU": ""
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},
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16: start_time, //3次加密开始时间
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18: 44, //固定
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19: [1, 0, 1, 5],
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}
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//3次加密开始时间
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b[20] = (b[16] >> 24) & 255
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b[21] = (b[16] >> 16) & 255
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b[22] = (b[16] >> 8) & 255
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b[23] = b[16] & 255
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b[24] = (b[16] / 256 / 256 / 256 / 256) >> 0
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b[25] = (b[16] / 256 / 256 / 256 / 256 / 256) >> 0
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// 参数Arguments [0, 1, 14, ...]
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// let Arguments = [0, 1, 14]
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b[26] = (Arguments[0] >> 24) & 255
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b[27] = (Arguments[0] >> 16) & 255
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b[28] = (Arguments[0] >> 8) & 255
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b[29] = Arguments[0] & 255
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b[30] = (Arguments[1] / 256) & 255
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b[31] = (Arguments[1] % 256) & 255
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b[32] = (Arguments[1] >> 24) & 255
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b[33] = (Arguments[1] >> 16) & 255
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b[34] = (Arguments[2] >> 24) & 255
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b[35] = (Arguments[2] >> 16) & 255
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b[36] = (Arguments[2] >> 8) & 255
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b[37] = Arguments[2] & 255
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// (url_search_params + "cus") 两次sm3之的结果
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/**let url_search_params_list = [
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91, 186, 35, 86, 143, 253, 6, 76,
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34, 21, 167, 148, 7, 42, 192, 219,
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188, 20, 182, 85, 213, 74, 213, 147,
|
|||
|
|
37, 155, 93, 139, 85, 118, 228, 213
|
|||
|
|
]*/
|
|||
|
|
b[38] = url_search_params_list[21]
|
|||
|
|
b[39] = url_search_params_list[22]
|
|||
|
|
|
|||
|
|
// ("cus") 对后缀两次sm3之的结果
|
|||
|
|
/**
|
|||
|
|
* let cus = [
|
|||
|
|
136, 101, 114, 147, 58, 77, 207, 201,
|
|||
|
|
215, 162, 154, 93, 248, 13, 142, 160,
|
|||
|
|
105, 73, 215, 241, 83, 58, 51, 43,
|
|||
|
|
255, 38, 168, 141, 216, 194, 35, 236
|
|||
|
|
]*/
|
|||
|
|
b[40] = cus[21]
|
|||
|
|
b[41] = cus[22]
|
|||
|
|
|
|||
|
|
// 对ua处理之后的结果
|
|||
|
|
/**
|
|||
|
|
* let ua = [
|
|||
|
|
129, 190, 70, 186, 86, 196, 199, 53,
|
|||
|
|
99, 38, 29, 209, 243, 17, 157, 69,
|
|||
|
|
147, 104, 53, 23, 114, 126, 66, 228,
|
|||
|
|
135, 30, 168, 185, 109, 156, 251, 88
|
|||
|
|
]*/
|
|||
|
|
b[42] = ua[23]
|
|||
|
|
b[43] = ua[24]
|
|||
|
|
|
|||
|
|
//3次加密结束时间
|
|||
|
|
b[44] = (b[10] >> 24) & 255
|
|||
|
|
b[45] = (b[10] >> 16) & 255
|
|||
|
|
b[46] = (b[10] >> 8) & 255
|
|||
|
|
b[47] = b[10] & 255
|
|||
|
|
b[48] = b[8]
|
|||
|
|
b[49] = (b[10] / 256 / 256 / 256 / 256) >> 0
|
|||
|
|
b[50] = (b[10] / 256 / 256 / 256 / 256 / 256) >> 0
|
|||
|
|
|
|||
|
|
|
|||
|
|
// object配置项
|
|||
|
|
b[51] = b[15]['pageId']
|
|||
|
|
b[52] = (b[15]['pageId'] >> 24) & 255
|
|||
|
|
b[53] = (b[15]['pageId'] >> 16) & 255
|
|||
|
|
b[54] = (b[15]['pageId'] >> 8) & 255
|
|||
|
|
b[55] = b[15]['pageId'] & 255
|
|||
|
|
|
|||
|
|
b[56] = b[15]['aid']
|
|||
|
|
b[57] = b[15]['aid'] & 255
|
|||
|
|
b[58] = (b[15]['aid'] >> 8) & 255
|
|||
|
|
b[59] = (b[15]['aid'] >> 16) & 255
|
|||
|
|
b[60] = (b[15]['aid'] >> 24) & 255
|
|||
|
|
|
|||
|
|
// 中间进行了环境检测
|
|||
|
|
// 代码索引: 2496 索引值: 17 （索引64关键条件）
|
|||
|
|
// '1536|747|1536|834|0|30|0|0|1536|834|1536|864|1525|747|24|24|Win32'.charCodeAt()得到65位数组
|
|||
|
|
/**
|
|||
|
|
* let window_env_list = [49, 53, 51, 54, 124, 55, 52, 55, 124, 49, 53, 51, 54, 124, 56, 51, 52, 124, 48, 124, 51,
|
|||
|
|
* 48, 124, 48, 124, 48, 124, 49, 53, 51, 54, 124, 56, 51, 52, 124, 49, 53, 51, 54, 124, 56,
|
|||
|
|
* 54, 52, 124, 49, 53, 50, 53, 124, 55, 52, 55, 124, 50, 52, 124, 50, 52, 124, 87, 105, 110,
|
|||
|
|
* 51, 50]
|
|||
|
|
*/
|
|||
|
|
let window_env_list = [];
|
|||
|
|
for (let index = 0; index < window_env_str.length; index++) {
|
|||
|
|
window_env_list.push(window_env_str.charCodeAt(index))
|
|||
|
|
}
|
|||
|
|
b[64] = window_env_list.length
|
|||
|
|
b[65] = b[64] & 255
|
|||
|
|
b[66] = (b[64] >> 8) & 255
|
|||
|
|
|
|||
|
|
b[69] = [].length
|
|||
|
|
b[70] = b[69] & 255
|
|||
|
|
b[71] = (b[69] >> 8) & 255
|
|||
|
|
|
|||
|
|
b[72] = b[18] ^ b[20] ^ b[26] ^ b[30] ^ b[38] ^ b[40] ^ b[42] ^ b[21] ^ b[27] ^ b[31] ^ b[35] ^ b[39] ^ b[41] ^ b[43] ^ b[22] ^
|
|||
|
|
b[28] ^ b[32] ^ b[36] ^ b[23] ^ b[29] ^ b[33] ^ b[37] ^ b[44] ^ b[45] ^ b[46] ^ b[47] ^ b[48] ^ b[49] ^ b[50] ^ b[24] ^
|
|||
|
|
b[25] ^ b[52] ^ b[53] ^ b[54] ^ b[55] ^ b[57] ^ b[58] ^ b[59] ^ b[60] ^ b[65] ^ b[66] ^ b[70] ^ b[71]
|
|||
|
|
let bb = [
|
|||
|
|
b[18], b[20], b[52], b[26], b[30], b[34], b[58], b[38], b[40], b[53], b[42], b[21], b[27], b[54], b[55], b[31],
|
|||
|
|
b[35], b[57], b[39], b[41], b[43], b[22], b[28], b[32], b[60], b[36], b[23], b[29], b[33], b[37], b[44], b[45],
|
|||
|
|
b[59], b[46], b[47], b[48], b[49], b[50], b[24], b[25], b[65], b[66], b[70], b[71]
|
|||
|
|
]
|
|||
|
|
bb = bb.concat(window_env_list).concat(b[72])
|
|||
|
|
return rc4_encrypt(String.fromCharCode.apply(null, bb), String.fromCharCode.apply(null, [121]));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function generate_random_str() {
|
|||
|
|
let random_str_list = []
|
|||
|
|
random_str_list = random_str_list.concat(gener_random(Math.random() * 10000, [3, 45]))
|
|||
|
|
random_str_list = random_str_list.concat(gener_random(Math.random() * 10000, [1, 0]))
|
|||
|
|
random_str_list = random_str_list.concat(gener_random(Math.random() * 10000, [1, 5]))
|
|||
|
|
return String.fromCharCode.apply(null, random_str_list)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function sign(url_search_params, user_agent, arguments) {
|
|||
|
|
/**
|
|||
|
|
* url_search_params："device_platform=webapp&aid=6383&channel=channel_pc_web&update_version_code=170400&pc_client_type=1&version_code=170400&version_name=17.4.0&cookie_enabled=true&screen_width=1536&screen_height=864&browser_language=zh-CN&browser_platform=Win32&browser_name=Chrome&browser_version=123.0.0.0&browser_online=true&engine_name=Blink&engine_version=123.0.0.0&os_name=Windows&os_version=10&cpu_core_num=16&device_memory=8&platform=PC&downlink=10&effective_type=4g&round_trip_time=50&webid=7362810250930783783&msToken=VkDUvz1y24CppXSl80iFPr6ez-3FiizcwD7fI1OqBt6IICq9RWG7nCvxKb8IVi55mFd-wnqoNkXGnxHrikQb4PuKob5Q-YhDp5Um215JzlBszkUyiEvR"
|
|||
|
|
* user_agent："Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36"
|
|||
|
|
*/
|
|||
|
|
let result_str = generate_random_str() + generate_rc4_bb_str(
|
|||
|
|
url_search_params,
|
|||
|
|
user_agent,
|
|||
|
|
"1536|747|1536|834|0|30|0|0|1536|834|1536|864|1525|747|24|24|Win32",
|
|||
|
|
"cus",
|
|||
|
|
arguments
|
|||
|
|
);
|
|||
|
|
return result_encrypt(result_str, "s4") + "=";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function sign_datail(params, userAgent) {
|
|||
|
|
return sign(params, userAgent, [0, 1, 14])
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function sign_reply(params, userAgent) {
|
|||
|
|
return sign(params, userAgent, [0, 1, 8])
|
|||
|
|
}
|