in digital-shadow/demo-car/js/aws-iot/aws-iot.js [6453:6597]
_doProcessBlock: function (M, offset) {
var H = this._hash.words;
var H0 = H[0];
var H1 = H[1];
var H2 = H[2];
var H3 = H[3];
var H4 = H[4];
var H5 = H[5];
var H6 = H[6];
var H7 = H[7];
var H0h = H0.high;
var H0l = H0.low;
var H1h = H1.high;
var H1l = H1.low;
var H2h = H2.high;
var H2l = H2.low;
var H3h = H3.high;
var H3l = H3.low;
var H4h = H4.high;
var H4l = H4.low;
var H5h = H5.high;
var H5l = H5.low;
var H6h = H6.high;
var H6l = H6.low;
var H7h = H7.high;
var H7l = H7.low;
var ah = H0h;
var al = H0l;
var bh = H1h;
var bl = H1l;
var ch = H2h;
var cl = H2l;
var dh = H3h;
var dl = H3l;
var eh = H4h;
var el = H4l;
var fh = H5h;
var fl = H5l;
var gh = H6h;
var gl = H6l;
var hh = H7h;
var hl = H7l;
for (var i = 0; i < 80; i++) {
var Wi = W[i];
if (i < 16) {
var Wih = Wi.high = M[offset + i * 2] | 0;
var Wil = Wi.low = M[offset + i * 2 + 1] | 0;
} else {
var gamma0x = W[i - 15];
var gamma0xh = gamma0x.high;
var gamma0xl = gamma0x.low;
var gamma0h = ((gamma0xh >>> 1) | (gamma0xl << 31)) ^ ((gamma0xh >>> 8) | (gamma0xl << 24)) ^ (gamma0xh >>> 7);
var gamma0l = ((gamma0xl >>> 1) | (gamma0xh << 31)) ^ ((gamma0xl >>> 8) | (gamma0xh << 24)) ^ ((gamma0xl >>> 7) | (gamma0xh << 25));
var gamma1x = W[i - 2];
var gamma1xh = gamma1x.high;
var gamma1xl = gamma1x.low;
var gamma1h = ((gamma1xh >>> 19) | (gamma1xl << 13)) ^ ((gamma1xh << 3) | (gamma1xl >>> 29)) ^ (gamma1xh >>> 6);
var gamma1l = ((gamma1xl >>> 19) | (gamma1xh << 13)) ^ ((gamma1xl << 3) | (gamma1xh >>> 29)) ^ ((gamma1xl >>> 6) | (gamma1xh << 26));
var Wi7 = W[i - 7];
var Wi7h = Wi7.high;
var Wi7l = Wi7.low;
var Wi16 = W[i - 16];
var Wi16h = Wi16.high;
var Wi16l = Wi16.low;
var Wil = gamma0l + Wi7l;
var Wih = gamma0h + Wi7h + ((Wil >>> 0) < (gamma0l >>> 0) ? 1 : 0);
var Wil = Wil + gamma1l;
var Wih = Wih + gamma1h + ((Wil >>> 0) < (gamma1l >>> 0) ? 1 : 0);
var Wil = Wil + Wi16l;
var Wih = Wih + Wi16h + ((Wil >>> 0) < (Wi16l >>> 0) ? 1 : 0);
Wi.high = Wih;
Wi.low = Wil;
}
var chh = (eh & fh) ^ (~eh & gh);
var chl = (el & fl) ^ (~el & gl);
var majh = (ah & bh) ^ (ah & ch) ^ (bh & ch);
var majl = (al & bl) ^ (al & cl) ^ (bl & cl);
var sigma0h = ((ah >>> 28) | (al << 4)) ^ ((ah << 30) | (al >>> 2)) ^ ((ah << 25) | (al >>> 7));
var sigma0l = ((al >>> 28) | (ah << 4)) ^ ((al << 30) | (ah >>> 2)) ^ ((al << 25) | (ah >>> 7));
var sigma1h = ((eh >>> 14) | (el << 18)) ^ ((eh >>> 18) | (el << 14)) ^ ((eh << 23) | (el >>> 9));
var sigma1l = ((el >>> 14) | (eh << 18)) ^ ((el >>> 18) | (eh << 14)) ^ ((el << 23) | (eh >>> 9));
var Ki = K[i];
var Kih = Ki.high;
var Kil = Ki.low;
var t1l = hl + sigma1l;
var t1h = hh + sigma1h + ((t1l >>> 0) < (hl >>> 0) ? 1 : 0);
var t1l = t1l + chl;
var t1h = t1h + chh + ((t1l >>> 0) < (chl >>> 0) ? 1 : 0);
var t1l = t1l + Kil;
var t1h = t1h + Kih + ((t1l >>> 0) < (Kil >>> 0) ? 1 : 0);
var t1l = t1l + Wil;
var t1h = t1h + Wih + ((t1l >>> 0) < (Wil >>> 0) ? 1 : 0);
var t2l = sigma0l + majl;
var t2h = sigma0h + majh + ((t2l >>> 0) < (sigma0l >>> 0) ? 1 : 0);
hh = gh;
hl = gl;
gh = fh;
gl = fl;
fh = eh;
fl = el;
el = (dl + t1l) | 0;
eh = (dh + t1h + ((el >>> 0) < (dl >>> 0) ? 1 : 0)) | 0;
dh = ch;
dl = cl;
ch = bh;
cl = bl;
bh = ah;
bl = al;
al = (t1l + t2l) | 0;
ah = (t1h + t2h + ((al >>> 0) < (t1l >>> 0) ? 1 : 0)) | 0;
}
H0l = H0.low = (H0l + al);
H0.high = (H0h + ah + ((H0l >>> 0) < (al >>> 0) ? 1 : 0));
H1l = H1.low = (H1l + bl);
H1.high = (H1h + bh + ((H1l >>> 0) < (bl >>> 0) ? 1 : 0));
H2l = H2.low = (H2l + cl);
H2.high = (H2h + ch + ((H2l >>> 0) < (cl >>> 0) ? 1 : 0));
H3l = H3.low = (H3l + dl);
H3.high = (H3h + dh + ((H3l >>> 0) < (dl >>> 0) ? 1 : 0));
H4l = H4.low = (H4l + el);
H4.high = (H4h + eh + ((H4l >>> 0) < (el >>> 0) ? 1 : 0));
H5l = H5.low = (H5l + fl);
H5.high = (H5h + fh + ((H5l >>> 0) < (fl >>> 0) ? 1 : 0));
H6l = H6.low = (H6l + gl);
H6.high = (H6h + gh + ((H6l >>> 0) < (gl >>> 0) ? 1 : 0));
H7l = H7.low = (H7l + hl);
H7.high = (H7h + hh + ((H7l >>> 0) < (hl >>> 0) ? 1 : 0));
},