JS小工具（hmac-sha1加密）
hmac-sha1.js
/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
var CryptoJS = CryptoJS || function(g, l) {
var e = {},
d = e.lib = {},
m = function() {},
k = d.Base = {
extend: function(a) {
m.prototype = this;
var c = new m;
a && c.mixIn(a);
c.hasOwnProperty("init") || (c.init = function() {
c.$super.init.apply(this, arguments)
});
c.init.prototype = c;
c.$super = this;
return c
},
create: function() {
var a = this.extend();
a.init.apply(a, arguments);
return a
},
init: function() {},
mixIn: function(a) {
for (var c in a) a.hasOwnProperty(c) && (this[c] = a[c]);
a.hasOwnProperty("toString") && (this.toString = a.toString)
},
clone: function() {
return this.init.prototype.extend(this)
}
},
p = d.WordArray = k.extend({
init: function(a, c) {
a = this.words = a || [];
this.sigBytes = c != l ? c : 4 * a.length
},
toString: function(a) {
return (a || n).stringify(this)
},
concat: function(a) {
var c = this.words,
q = a.words,
f = this.sigBytes;
a = a.sigBytes;
this.clamp();
if (f % 4)
for (var b = 0; b < a; b++) c[f + b >>> 2] |= (q[b >>> 2] >>> 24 - 8 * (b % 4) & 255) << 24 - 8 * ((f + b) % 4);
else if (65535 < q.length)
for (b = 0; b < a; b += 4) c[f + b >>> 2] = q[b >>> 2];
else c.push.apply(c, q);
this.sigBytes += a;
return this
},
clamp: function() {
var a = this.words,
c = this.sigBytes;
a[c >>> 2] &= 4294967295 <<
32 - 8 * (c % 4);
a.length = g.ceil(c / 4)
},
clone: function() {
var a = k.clone.call(this);
a.words = this.words.slice(0);
return a
},
random: function(a) {
for (var c = [], b = 0; b < a; b += 4) c.push(4294967296 * g.random() | 0);
return new p.init(c, a)
}
}),
b = e.enc = {},
n = b.Hex = {
stringify: function(a) {
var c = a.words;
a = a.sigBytes;
for (var b = [], f = 0; f < a; f++) {
var d = c[f >>> 2] >>> 24 - 8 * (f % 4) & 255;
b.push((d >>> 4).toString(16));
b.push((d & 15).toString(16))
}
return b.join("")
},
parse: function(a) {
for (var c = a.length, b = [], f = 0; f < c; f += 2) b[f >>> 3] |= parseInt(a.substr(f,
2), 16) << 24 - 4 * (f % 8);
return new p.init(b, c / 2)
}
},
j = b.Latin1 = {
stringify: function(a) {
var c = a.words;
a = a.sigBytes;
for (var b = [], f = 0; f < a; f++) b.push(String.fromCharCode(c[f >>> 2] >>> 24 - 8 * (f % 4) & 255));
return b.join("")
},
parse: function(a) {
for (var c = a.length, b = [], f = 0; f < c; f++) b[f >>> 2] |= (a.charCodeAt(f) & 255) << 24 - 8 * (f % 4);
return new p.init(b, c)
}
},
h = b.Utf8 = {
stringify: function(a) {
try {
return decodeURIComponent(escape(j.stringify(a)))
} catch (c) {
throw Error("Malformed UTF-8 data");
}
},
parse: function(a) {
return j.parse(unescape(encodeURIComponent(a)))
}
},
r = d.BufferedBlockAlgorithm = k.extend({
reset: function() {
this._data = new p.init;
this._nDataBytes = 0
},
_append: function(a) {
"string" == typeof a && (a = h.parse(a));
this._data.concat(a);
this._nDataBytes += a.sigBytes
},
_process: function(a) {
var c = this._data,
b = c.words,
f = c.sigBytes,
d = this.blockSize,
e = f / (4 * d),
e = a ? g.ceil(e) : g.max((e | 0) - this._minBufferSize, 0);
a = e * d;
f = g.min(4 * a, f);
if (a) {
for (var k = 0; k < a; k += d) this._doProcessBlock(b, k);
k = b.splice(0, a);
c.sigBytes -= f
}
return new p.init(k, f)
},
clone: function() {
var a = k.clone.call(this);
a._data = this._data.clone();
return a
},
_minBufferSize: 0
});
d.Hasher = r.extend({
cfg: k.extend(),
init: function(a) {
this.cfg = this.cfg.extend(a);
this.reset()
},
reset: function() {
r.reset.call(this);
this._doReset()
},
update: function(a) {
this._append(a);
this._process();
return this
},
finalize: function(a) {
a && this._append(a);
return this._doFinalize()
},
blockSize: 16,
_createHelper: function(a) {
return function(b, d) {
return (new a.init(d)).finalize(b)
}
},
_createHmacHelper: function(a) {
return function(b, d) {
return (new s.HMAC.init(a,
d)).finalize(b)
}
}
});
var s = e.algo = {};
return e
}(Math);
(function() {
var g = CryptoJS,
l = g.lib,
e = l.WordArray,
d = l.Hasher,
m = [],
l = g.algo.SHA1 = d.extend({
_doReset: function() {
this._hash = new e.init([1732584193, 4023233417, 2562383102, 271733878, 3285377520])
},
_doProcessBlock: function(d, e) {
for (var b = this._hash.words, n = b[0], j = b[1], h = b[2], g = b[3], l = b[4], a = 0; 80 > a; a++) {
if (16 > a) m[a] = d[e + a] | 0;
else {
var c = m[a - 3] ^ m[a - 8] ^ m[a - 14] ^ m[a - 16];
m[a] = c << 1 | c >>> 31
}
c = (n << 5 | n >>> 27) + l + m[a];
c = 20 > a ? c + ((j & h | ~j & g) + 1518500249) : 40 > a ? c + ((j ^ h ^ g) + 1859775393) : 60 > a ? c + ((j & h | j & g | h & g) - 1894007588) : c + ((j ^ h ^
g) - 899497514);
l = g;
g = h;
h = j << 30 | j >>> 2;
j = n;
n = c
}
b[0] = b[0] + n | 0;
b[1] = b[1] + j | 0;
b[2] = b[2] + h | 0;
b[3] = b[3] + g | 0;
b[4] = b[4] + l | 0
},
_doFinalize: function() {
var d = this._data,
e = d.words,
b = 8 * this._nDataBytes,
g = 8 * d.sigBytes;
e[g >>> 5] |= 128 << 24 - g % 32;
e[(g + 64 >>> 9 << 4) + 14] = Math.floor(b / 4294967296);
e[(g + 64 >>> 9 << 4) + 15] = b;
d.sigBytes = 4 * e.length;
this._process();
return this._hash
},
clone: function() {
var e = d.clone.call(this);
e._hash = this._hash.clone();
return e
}
});
g.SHA1 = d._createHelper(l);
g.HmacSHA1 = d._createHmacHelper(l)
})();
(function() {
var g = CryptoJS,
l = g.enc.Utf8;
g.algo.HMAC = g.lib.Base.extend({
init: function(e, d) {
e = this._hasher = new e.init;
"string" == typeof d && (d = l.parse(d));
var g = e.blockSize,
k = 4 * g;
d.sigBytes > k && (d = e.finalize(d));
d.clamp();
for (var p = this._oKey = d.clone(), b = this._iKey = d.clone(), n = p.words, j = b.words, h = 0; h < g; h++) n[h] ^= 1549556828, j[h] ^= 909522486;
p.sigBytes = b.sigBytes = k;
this.reset()
},
reset: function() {
var e = this._hasher;
e.reset();
e.update(this._iKey)
},
update: function(e) {
this._hasher.update(e);
return this
},
finalize: function(e) {
var d =
this._hasher;
e = d.finalize(e);
d.reset();
return d.finalize(this._oKey.clone().concat(e))
}
})
})();
module.exports=CryptoJS