function session(c) {
function g(f, e) {
f.constructor == String ? f = e && "binary" === e.encoding ? h.uq.Mo(f) : h.bN.Mo(f) : "" ? f = Array.prototype.slice.call(f, 0) : Array.isArray(f) || (f = f.toString());
e = h.oG(f);
var l = 8 * f.length;
f = 1732584193;
for (var m = -271733879, q = -1732584194, v = 271733878, y = 0; y < e.length; y++)
e[y] = (e[y] << 8 | e[y] >>> 24) & 16711935 | (e[y] << 24 | e[y] >>> 8) & 4278255360;
e[l >>> 5] |= 128 << l % 32;
e[(l + 64 >>> 9 << 4) + 14] = l;
for (var l = g.OE, u = g.bF, B = g.cF, A = g.fF, y = 0; y < e.length; y += 16) {
var z = f,
C = m,
n = q,
t = v;
f = l(f, m, q, v, e[y + 0], 7, -680876936);
v = l(v, f, m, q, e[y + 1], 12, -389564586);
q = l(q, v, f, m, e[y + 2], 17, 606105819);
m = l(m, q, v, f, e[y + 3], 22, -1044525330);
f = l(f, m, q, v, e[y + 4], 7, -176418897);
v = l(v, f, m, q, e[y + 5], 12, 1200080426);
q = l(q, v, f, m, e[y + 6], 17, -1473231341);
m = l(m, q, v, f, e[y + 7], 22, -45705983);
f = l(f, m, q, v, e[y + 8], 7, 1770035416);
v = l(v, f, m, q, e[y + 9], 12, -1958414417);
q = l(q, v, f, m, e[y + 10], 17, -42063);
m = l(m, q, v, f, e[y + 11], 22, -1990404162);
f = l(f, m, q, v, e[y + 12], 7, 1804603682);
v = l(v, f, m, q, e[y + 13], 12, -40341101);
q = l(q, v, f, m, e[y + 14], 17, -1502002290);
m = l(m, q, v, f, e[y + 15], 22, 1236535329);
f = u(f, m, q, v, e[y + 1], 5, -165796510);
v = u(v, f, m, q, e[y + 6], 9, -1069501632);
q = u(q, v, f, m, e[y + 11], 14, 643717713);
m = u(m, q, v, f, e[y + 0], 20, -373897302);
f = u(f, m, q, v, e[y + 5], 5, -701558691);
v = u(v, f, m, q, e[y + 10], 9, 38016083);
q = u(q, v, f, m, e[y + 15], 14, -660478335);
m = u(m, q, v, f, e[y + 4], 20, -405537848);
f = u(f, m, q, v, e[y + 9], 5, 568446438);
v = u(v, f, m, q, e[y + 14], 9, -1019803690);
q = u(q, v, f, m, e[y + 3], 14, -187363961);
m = u(m, q, v, f, e[y + 8], 20, 1163531501);
f = u(f, m, q, v, e[y + 13], 5, -1444681467);
v = u(v, f, m, q, e[y + 2], 9, -51403784);
q = u(q, v, f, m, e[y + 7], 14, 1735328473);
m = u(m, q, v, f, e[y + 12], 20, -1926607734);
f = B(f, m, q, v, e[y + 5], 4, -378558);
v = B(v, f, m, q, e[y + 8], 11, -2022574463);
q = B(q, v, f, m, e[y + 11], 16, 1839030562);
m = B(m, q, v, f, e[y + 14], 23, -35309556);
f = B(f, m, q, v, e[y + 1], 4, -1530992060);
v = B(v, f, m, q, e[y + 4], 11, 1272893353);
q = B(q, v, f, m, e[y + 7], 16, -155497632);
m = B(m, q, v, f, e[y + 10], 23, -1094730640);
f = B(f, m, q, v, e[y + 13], 4, 681279174);
v = B(v, f, m, q, e[y + 0], 11, -358537222);
q = B(q, v, f, m, e[y + 3], 16, -722521979);
m = B(m, q, v, f, e[y + 6], 23, 76029189);
f = B(f, m, q, v, e[y + 9], 4, -640364487);
v = B(v, f, m, q, e[y + 12], 11, -421815835);
q = B(q, v, f, m, e[y + 15], 16, 530742520);
m = B(m, q, v, f, e[y + 2], 23, -995338651);
f = A(f, m, q, v, e[y + 0], 6, -198630844);
v = A(v, f, m, q, e[y + 7], 10, 1126891415);
q = A(q, v, f, m, e[y + 14], 15, -1416354905);
m = A(m, q, v, f, e[y + 5], 21, -57434055);
f = A(f, m, q, v, e[y + 12], 6, 1700485571);
v = A(v, f, m, q, e[y + 3], 10, -1894986606);
q = A(q, v, f, m, e[y + 10], 15, -1051523);
m = A(m, q, v, f, e[y + 1], 21, -2054922799);
f = A(f, m, q, v, e[y + 8], 6, 1873313359);
v = A(v, f, m, q, e[y + 15], 10, -30611744);
q = A(q, v, f, m, e[y + 6], 15, -1560198380);
m = A(m, q, v, f, e[y + 13], 21, 1309151649);
f = A(f, m, q, v, e[y + 4], 6, -145523070);
v = A(v, f, m, q, e[y + 11], 10, -1120210379);
q = A(q, v, f, m, e[y + 2], 15, 718787259);
m = A(m, q, v, f, e[y + 9], 21, -343485551);
f = f + z >>> 0;
m = m + C >>> 0;
q = q + n >>> 0;
v = v + t >>> 0
}
return h.Wx([f, m, q, v])
}
var h = {
oG: function (e) {
for (var g = [], h = 0, d = 0; h < e.length; h++,
d += 8)
g[d >>> 5] |= e[h] << 24 - d % 32;
return g
},
zN: function (e) {
for (var g = [], h = 0; h < 32 * e.length; h += 8)
g.push(e[h >>> 5] >>> 24 - h % 32 & 255);
return g
},
nG: function (e) {
for (var g = [], h = 0; h < e.length; h++)
g.push((e[h] >>> 4).toString(16)),
g.push((e[h] & 15).toString(16));
return g.join("")
},
Wx: function (e) {
if (e.constructor == Number)
return h.vA(e, 8) & 16711935 | h.vA(e, 24) & 4278255360;
for (var g = 0; g < e.length; g++)
e[g] = h.Wx(e[g]);
return e
},
vA: function (e, g) {
return e << g | e >>> 32 - g
},
bN: {
Mo: function (e) {
return h.uq.Mo(unescape(encodeURIComponent(e)))
},
yq: function (e) {
return decodeURIComponent(escape(h.uq.yq(e)))
}
},
uq: {
Mo: function (e) {
for (var g = [], h = 0; h < e.length; h++)
g.push(e.charCodeAt(h) & 255);
return g
},
yq: function (e) {
for (var g = [], h = 0; h < e.length; h++)
g.push(String.fromCharCode(e[h]));
return g.join("")
}
}
};
g.OE = function (b, c, d, e, q, h, g) {
b = b + (c & d | ~c & e) + (q >>> 0) + g;
return (b << h | b >>> 32 - h) + c
};
g.bF = function (b, c, d, e, q, h, g) {
b = b + (c & e | d & ~e) + (q >>> 0) + g;
return (b << h | b >>> 32 - h) + c
};
g.cF = function (b, c, d, e, q, h, g) {
b = b + (c ^ d ^ e) + (q >>> 0) + g;
return (b << h | b >>> 32 - h) + c
};
g.fF = function (b, c, d, e, q, h, g) {
b = b + (d ^ (c | ~e)) + (q >>> 0) + g;
return (b << h | b >>> 32 - h) + c
};
var d;
g.PO = 16;
g.QO = 16;
c = h.zN(g(c, d));
session = h.nG(c);
return session
}调用方法
buvid3 = "";
c = String(buvid3 || Math.floor(1E5 * Math.random()).toString(16)) + +new Date
console.log(session(c))其中buvid3为cookie中的值，不登录则为空
v=20190311 这个版本运行结果是一样的，代码的命名？稍微有一点变化
function session(c) {
function g(t, n, g) {
var d = g.ff, f = g.gg, c = g.hh, h = g.ii;
t.constructor == String ? t = n && "binary" === n.encoding ? v.bin.stringToBytes(t) : v.utf8.stringToBytes(t) : v.gettype(t) ? t = Array.prototype.slice.call(t, 0) : Array.isArray(t) || (t = t.toString());
for (var r = v.bytesToWords(t), i = 8 * t.length, a = 1732584193, o = -271733879, s = -1732584194, u = 271733878, l = 0; l < r.length; l++)
r[l] = 16711935 & (r[l] << 8 | r[l] >>> 24) | 4278255360 & (r[l] << 24 | r[l] >>> 8);
r[i >>> 5] |= 128 << i % 32;
r[14 + (i + 64 >>> 9 << 4)] = i;
for (l = 0; l < r.length; l += 16) {
var p = a,
g = o,
m = s,
_ = u;
a = d(a, o, s, u, r[l + 0], 7, -680876936),
u = d(u, a, o, s, r[l + 1], 12, -389564586),
s = d(s, u, a, o, r[l + 2], 17, 606105819),
o = d(o, s, u, a, r[l + 3], 22, -1044525330),
a = d(a, o, s, u, r[l + 4], 7, -176418897),
u = d(u, a, o, s, r[l + 5], 12, 1200080426),
s = d(s, u, a, o, r[l + 6], 17, -1473231341),
o = d(o, s, u, a, r[l + 7], 22, -45705983),
a = d(a, o, s, u, r[l + 8], 7, 1770035416),
u = d(u, a, o, s, r[l + 9], 12, -1958414417),
s = d(s, u, a, o, r[l + 10], 17, -42063),
o = d(o, s, u, a, r[l + 11], 22, -1990404162),
a = d(a, o, s, u, r[l + 12], 7, 1804603682),
u = d(u, a, o, s, r[l + 13], 12, -40341101),
s = d(s, u, a, o, r[l + 14], 17, -1502002290),
o = d(o, s, u, a, r[l + 15], 22, 1236535329),
a = f(a, o, s, u, r[l + 1], 5, -165796510),
u = f(u, a, o, s, r[l + 6], 9, -1069501632),
s = f(s, u, a, o, r[l + 11], 14, 643717713),
o = f(o, s, u, a, r[l + 0], 20, -373897302),
a = f(a, o, s, u, r[l + 5], 5, -701558691),
u = f(u, a, o, s, r[l + 10], 9, 38016083),
s = f(s, u, a, o, r[l + 15], 14, -660478335),
o = f(o, s, u, a, r[l + 4], 20, -405537848),
a = f(a, o, s, u, r[l + 9], 5, 568446438),
u = f(u, a, o, s, r[l + 14], 9, -1019803690),
s = f(s, u, a, o, r[l + 3], 14, -187363961),
o = f(o, s, u, a, r[l + 8], 20, 1163531501),
a = f(a, o, s, u, r[l + 13], 5, -1444681467),
u = f(u, a, o, s, r[l + 2], 9, -51403784),
s = f(s, u, a, o, r[l + 7], 14, 1735328473),
o = f(o, s, u, a, r[l + 12], 20, -1926607734),
a = c(a, o, s, u, r[l + 5], 4, -378558),
u = c(u, a, o, s, r[l + 8], 11, -2022574463),
s = c(s, u, a, o, r[l + 11], 16, 1839030562),
o = c(o, s, u, a, r[l + 14], 23, -35309556),
a = c(a, o, s, u, r[l + 1], 4, -1530992060),
u = c(u, a, o, s, r[l + 4], 11, 1272893353),
s = c(s, u, a, o, r[l + 7], 16, -155497632),
o = c(o, s, u, a, r[l + 10], 23, -1094730640),
a = c(a, o, s, u, r[l + 13], 4, 681279174),
u = c(u, a, o, s, r[l + 0], 11, -358537222),
s = c(s, u, a, o, r[l + 3], 16, -722521979),
o = c(o, s, u, a, r[l + 6], 23, 76029189),
a = c(a, o, s, u, r[l + 9], 4, -640364487),
u = c(u, a, o, s, r[l + 12], 11, -421815835),
s = c(s, u, a, o, r[l + 15], 16, 530742520),
o = c(o, s, u, a, r[l + 2], 23, -995338651),
a = h(a, o, s, u, r[l + 0], 6, -198630844),
u = h(u, a, o, s, r[l + 7], 10, 1126891415),
s = h(s, u, a, o, r[l + 14], 15, -1416354905),
o = h(o, s, u, a, r[l + 5], 21, -57434055),
a = h(a, o, s, u, r[l + 12], 6, 1700485571),
u = h(u, a, o, s, r[l + 3], 10, -1894986606),
s = h(s, u, a, o, r[l + 10], 15, -1051523),
o = h(o, s, u, a, r[l + 1], 21, -2054922799),
a = h(a, o, s, u, r[l + 8], 6, 1873313359),
u = h(u, a, o, s, r[l + 15], 10, -30611744),
s = h(s, u, a, o, r[l + 6], 15, -1560198380),
o = h(o, s, u, a, r[l + 13], 21, 1309151649),
a = h(a, o, s, u, r[l + 4], 6, -145523070),
u = h(u, a, o, s, r[l + 11], 10, -1120210379),
s = h(s, u, a, o, r[l + 2], 15, 718787259),
o = h(o, s, u, a, r[l + 9], 21, -343485551),
a = a + p >>> 0,
o = o + g >>> 0,
s = s + m >>> 0,
u = u + _ >>> 0
}
return v.endian([a, o, s, u])
}
var a = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var v = {
rotl: function (e, t) {
return e << t | e >>> 32 - t
},
rotr: function (e, t) {
return e << 32 - t | e >>> t
},
endian: function (e) {
if (e.constructor == Number)
return 16711935 & v.rotl(e, 8) | 4278255360 & v.rotl(e, 24);
for (var t = 0; t < e.length; t++)
e[t] = v.endian(e[t]);
return e
},
randomBytes: function (e) {
for (var t = []; 0 < e; e--)
t.push(Math.floor(256 * Math.random()));
return t
},
bytesToWords: function (e) {
for (var t = [], n = 0, r = 0; n < e.length; n++,
r += 8)
t[r >>> 5] |= e[n] << 24 - r % 32;
return t
},
wordsToBytes: function (e) {
for (var t = [], n = 0; n < 32 * e.length; n += 8)
t.push(e[n >>> 5] >>> 24 - n % 32 & 255);
return t
},
bytesToHex: function (e) {
for (var t = [], n = 0; n < e.length; n++)
t.push((e[n] >>> 4).toString(16)),
t.push((15 & e[n]).toString(16));
return t.join("")
},
hexToBytes: function (e) {
for (var t = [], n = 0; n < e.length; n += 2)
t.push(parseInt(e.substr(n, 2), 16));
return t
},
bytesToBase64: function (e) {
for (var t = [], n = 0; n < e.length; n += 3)
for (var r = e[n] << 16 | e[n + 1] << 8 | e[n + 2], i = 0; i < 4; i++)
8 * n + 6 * i <= 8 * e.length ? t.push(a.charAt(r >>> 6 * (3 - i) & 63)) : t.push("=");
return t.join("")
},
base64ToBytes: function (e) {
e = e.replace(/[^A-Z0-9+\/]/gi, "");
for (var t = [], n = 0, r = 0; n < e.length; r = ++n % 4)
0 != r && t.push((a.indexOf(e.charAt(n - 1)) & Math.pow(2, -2 * r + 8) - 1) << 2 * r | a.indexOf(e.charAt(n)) >>> 6 - 2 * r);
return t
},
gettype: function (e, t) {
function n(e) {
return !!e.constructor && "function" == typeof e.constructor.isBuffer && e.constructor.isBuffer(e)
}
e.exports = function (e) {
return null != e && (n(e) || (t = e,
"function" == typeof t.readFloatLE && "function" == typeof t.slice && n(t.slice(0, 0))) || !!e._isBuffer);
var t
}
},
utf8: {
stringToBytes: function (e) {
return v.bin.stringToBytes(unescape(encodeURIComponent(e)))
},
bytesToString: function (e) {
return decodeURIComponent(escape(v.bin.bytesToString(e)))
}
},
bin: {
stringToBytes: function (e) {
for (var t = [], n = 0; n < e.length; n++)
t.push(255 & e.charCodeAt(n));
return t
},
bytesToString: function (e) {
for (var t = [], n = 0; n < e.length; n++)
t.push(String.fromCharCode(e[n]));
return t.join("")
}
}
};
g.ff = function (e, t, n, r, i, a, o) {
var s = e + (t & n | ~t & r) + (i >>> 0) + o;
return (s << a | s >>> 32 - a) + t
};
g.gg = function (e, t, n, r, i, a, o) {
var s = e + (t & r | n & ~r) + (i >>> 0) + o;
return (s << a | s >>> 32 - a) + t
};
g.hh = function (e, t, n, r, i, a, o) {
var s = e + (t ^ n ^ r) + (i >>> 0) + o;
return (s << a | s >>> 32 - a) + t
};
g.ii = function (e, t, n, r, i, a, o) {
var s = e + (n ^ (t | ~r)) + (i >>> 0) + o;
return (s << a | s >>> 32 - a) + t
};
var t, n;
g._blocksize = 16;
g._digestsize = 16;
n = v.wordsToBytes(g(c, t, g));
return t && t.asBytes ? n : t && t.asString ? v.bin.bytesToString(n) : v.bytesToHex(n)
}
// aa4603710244eb68d20192a82aa89904
c = "7C62EBC1-E843-47C6-9025-CC3665A0A6C1101596infoc1552459932619";
console.log(session(c))