paste.chapril.org-privatebin/test/ocb2_test.js

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2010-05-27 00:34:42 +02:00
new sjcl.test.TestCase("OCB 2.0 mode tests", function (cb) {
if (!sjcl.cipher.aes) {
this.unimplemented();
cb && cb();
return;
}
var i, kat = sjcl.test.vector.ocb2, tv, iv, ct, aes, len, tlen, thiz=this, w=sjcl.bitArray, pt, iv, h = sjcl.codec.hex, ad, tlen;
browserUtil.cpsIterate(function (j, cbb) {
for (i=100*j; i<kat.length && i<100*(j+1); i++) {
tv = kat[i];
len = 32 * tv.key.length;
aes = new sjcl.cipher.aes(h.toBits(tv.key));
// sort of a hack because of the format of the vectors file
pt = h.toBits(tv.pt);
ct = h.toBits(tv.ct+tv.tag);
iv = h.toBits(tv.iv);
ad = h.toBits(tv.adata);
tlen = tv.tag.length * 4;
thiz.require(w.equal(sjcl.mode.ocb2.encrypt(aes, pt, iv, ad, tlen), ct), "aes-"+len+"-ocb2-encrypt #"+i);
try {
thiz.require(w.equal(sjcl.mode.ocb2.decrypt(aes, ct, iv, ad, tlen), pt), "aes-"+len+"-ocb2-decrypt #"+i);
} catch (e) {
thiz.fail("aes-ocb-decrypt #"+i+" (exn " + e + ")");
}
}
cbb();
}, 0, kat.length / 100, true, cb);
});