michael@0: var sjcl = {
michael@0:     hash: {},
michael@0: };
michael@0: sjcl.bitArray = {
michael@0:     concat: function (a, b) {
michael@0:         var c = a[a.length - 1],
michael@0:             d = sjcl.bitArray.getPartial(c);
michael@0:         return d === 32 ? a.concat(b) : sjcl.bitArray.P(b, d, c | 0, a.slice(0, a.length - 1))
michael@0:     },
michael@0:     getPartial: function (a) {
michael@0:         return Math.round(a / 0x10000000000) || 32
michael@0:     }
michael@0: };
michael@0: sjcl.hash.sha256 = function (a) {
michael@0:     this.a[0] || this.w();
michael@0: 	this.reset()
michael@0: };
michael@0: sjcl.hash.sha256.prototype = {
michael@0:     reset: function () {
michael@0:         this.n = this.N.slice(0);
michael@0:         this.i = [];
michael@0:     },
michael@0:     update: function (a) {
michael@0:         var b, c = this.i = sjcl.bitArray.concat(this.i, a);
michael@0:         return this
michael@0:     },
michael@0:     finalize: function () {
michael@0:         var a, b = this.i,
michael@0:             c = this.n;
michael@0: 	this.C(b.splice(0, 16));
michael@0:         return c
michael@0:     },
michael@0:     N: [],
michael@0:     a: [],
michael@0:     w: function () {
michael@0:         function a(e) {
michael@0:             return (e - Math.floor(e)) * 0x100000000 | 0
michael@0:         }
michael@0:         var b = 0,
michael@0:             c = 2,
michael@0:             d;
michael@0:         a: for (; b < 64; c++) {
michael@0:             if (b < 8)
michael@0: 		this.N[b] = a(Math.pow(c, 0.5));
michael@0:             b++
michael@0:         }
michael@0:     },
michael@0:     C: function (a) {
michael@0:         var b, c, d = a.slice(0),
michael@0:             e = this.n,
michael@0:             h = e[1],
michael@0:             i = e[2],
michael@0:             k = e[3],
michael@0:             n = e[7];
michael@0:         for (a = 0; a < 64; a++) {
michael@0:                 b = d[a + 1 & 15];
michael@0:             g = b + (h & i ^ k & (h ^ i)) + (h >>> 2 ^ h >>> 13 ^ h >>> 22 ^ h << 30 ^ h << 19 ^ h << 10) | 0
michael@0:         }
michael@0:         e[0] = e[0] + g | 0;
michael@0:     }
michael@0: };
michael@0: var ax1 = [-1862726214, -1544935945, -1650904951, -1523200565, 1783959997, -1422527763, -1915825893, 67249414];
michael@0: var ax2 = ax1;
michael@0: for (var aix = 0; aix < 200; aix++) ax1 = (new sjcl.hash.sha256(undefined)).update(ax1, undefined).finalize();
michael@0: eval("for (var aix = 0; aix < 200; aix++) ax2 = (new sjcl.hash.sha256(undefined)).update(ax2, undefined).finalize();" +
michael@0:      "assertEq(ax2.toString(), ax1.toString());");