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new sjcl.test.TestCase("HKDF official test vectors", function (cb) {
if (!sjcl.misc.hkdf || !sjcl.misc.hmac) {
this.unimplemented();
cb && cb();
return;
}
var i, kat = sjcl.test.vector.hkdf, tv, h = sjcl.codec.hex, out, ikm, salt, info, hash;
for (i = 0; i < kat.length; i++) {
tv = kat[i];
hash = sjcl.hash[tv.hash];
if (!hash) {
this.unimplemented();
cb && cb();
return;
}
ikm = h.toBits(tv.ikm);
salt = tv.salt && h.toBits(tv.salt);
info = h.toBits(tv.info);
out = h.fromBits(sjcl.misc.hkdf(ikm, tv.keyLength, salt, info, hash));
this.require(out == tv.key, "hkdf #" + i);
}
cb && cb();
});
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