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Add more OCB tests

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Daniel Huigens
2018-04-10 17:55:12 +02:00
parent 28dbbadcff
commit e44fbbccab
2 changed files with 41 additions and 0 deletions
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29
test/crypto/ocb.js
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@@ -149,4 +149,33 @@ describe('Symmetric AES-OCB', function() {
expect(openpgp.util.Uint8Array_to_hex(pt)).to.equal(vec.P.toLowerCase());
}
});
it('Different key size test vectors', async function() {
const TAGLEN = 128;
const outputs = {
128: '67E944D23256C5E0B6C61FA22FDF1EA2',
192: 'F673F2C3E7174AAE7BAE986CA9F29E17',
256: 'D90EB8E9C977C88B79DD793D7FFA161C'
};
for (const KEYLEN of [128, 192, 256]) {
const K = new Uint8Array(KEYLEN / 8);
K[K.length - 1] = TAGLEN;
const C = [];
let N;
for (let i = 0; i < 128; i++) {
const S = new Uint8Array(i);
N = openpgp.util.concatUint8Array([new Uint8Array(8), openpgp.util.writeNumber(3 * i + 1, 4)]);
C.push(await ocb.encrypt('aes' + KEYLEN, S, K, N, S));
N = openpgp.util.concatUint8Array([new Uint8Array(8), openpgp.util.writeNumber(3 * i + 2, 4)]);
C.push(await ocb.encrypt('aes' + KEYLEN, S, K, N, new Uint8Array()));
N = openpgp.util.concatUint8Array([new Uint8Array(8), openpgp.util.writeNumber(3 * i + 3, 4)]);
C.push(await ocb.encrypt('aes' + KEYLEN, new Uint8Array(), K, N, S));
}
N = openpgp.util.concatUint8Array([new Uint8Array(8), openpgp.util.writeNumber(385, 4)]);
const output = await ocb.encrypt('aes' + KEYLEN, new Uint8Array(), K, N, openpgp.util.concatUint8Array(C));
expect(openpgp.util.Uint8Array_to_hex(output)).to.equal(outputs[KEYLEN].toLowerCase());
}
});
});