bintzwing/test/cbc_test.js
2010-10-16 13:42:01 -07:00

33 lines
1 KiB
JavaScript

new sjcl.test.TestCase("CBC mode tests", function (cb) {
((sjcl.beware &&
sjcl.beware["CBC mode is dangerous because it doesn't protect message integrity."]) ||
function(){})();
if (!sjcl.cipher.aes || !sjcl.mode.cbc) {
this.unimplemented();
cb && cb();
return;
}
var i, kat = sjcl.test.vector.cbc, tv, iv, ct, aes, len, thiz=this, w=sjcl.bitArray, pt, h=sjcl.codec.hex;
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));
// Convert from strings
iv = h.toBits(tv.iv);
pt = h.toBits(tv.pt);
ct = h.toBits(tv.ct);
thiz.require(w.equal(sjcl.mode.cbc.encrypt(aes, pt, iv), ct), "aes-"+len+"-cbc-encrypt #"+i);
try {
thiz.require(w.equal(sjcl.mode.cbc.decrypt(aes, ct, iv), pt), "aes-"+len+"-cbc-decrypt #"+i);
} catch (e) {
thiz.fail("aes-cbc-decrypt #"+i+" (exn "+e+")");
}
}
cbb();
}, 0, kat.length / 100, true, cb);
});