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ECDHE tests (#846)

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* Ellyptic curves tests

* Re-run tests
This commit is contained in:
wussler 2019-01-27 01:19:36 +01:00 committed by Sanjana Rajan
parent b0ac142f2e
commit f018f60b9c
1 changed files with 77 additions and 0 deletions
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77
test/crypto/elliptic.js
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@ -390,4 +390,81 @@ describe('Elliptic Curve Cryptography', async function () {
)).to.be.rejectedWith(Error, /Key Data Integrity failed/).notify(done);
});
});
const Q1 = new Uint8Array([
64,
48, 226, 162, 114, 194, 194, 67, 214,
199, 10, 173, 22, 216, 240, 197, 202,
114, 49, 127, 107, 152, 58, 119, 48,
234, 194, 192, 66, 53, 165, 137, 93 ]);
const d1 = new Uint8Array ([
65, 200, 132, 198, 77, 86, 126, 196,
247, 169, 156, 201, 32, 52, 3, 198,
127, 144, 139, 47, 153, 239, 64, 235,
61, 7, 17, 214, 64, 211, 215, 80 ]);
const Q2 = new Uint8Array([
64,
154, 115, 36, 108, 33, 153, 64, 184,
25, 139, 67, 25, 178, 194, 227, 53,
254, 40, 101, 213, 28, 121, 154, 62,
27, 99, 92, 126, 33, 223, 122, 91 ]);
const d2 = new Uint8Array([
123, 99, 163, 24, 201, 87, 0, 9,
204, 21, 154, 5, 5, 5, 127, 157,
237, 95, 76, 117, 89, 250, 64, 178,
72, 69, 69, 58, 89, 228, 113, 112 ]);
const fingerprint1 = new Uint8Array([
177, 183,
116, 123, 76, 133, 245, 212, 151, 243, 236,
71, 245, 86, 3, 168, 101, 74, 209, 105 ]);
const fingerprint2 = new Uint8Array([
177, 83,
123, 123, 76, 133, 245, 212, 151, 243, 236,
71, 245, 86, 3, 168, 101, 74, 209, 105 ]);
async function genPublicEphemeralKey(curve, Q, fingerprint) {
const curveObj = new openpgp.crypto.publicKey.elliptic.Curve(curve);
const oid = new openpgp.OID(curveObj.oid);
return openpgp.crypto.publicKey.elliptic.ecdh.genPublicEphemeralKey(
oid,
curveObj.cipher,
curveObj.hash,
Q,
fingerprint
);
}
async function genPrivateEphemeralKey(curve, V, d, fingerprint) {
const curveObj = new openpgp.crypto.publicKey.elliptic.Curve(curve);
const oid = new openpgp.OID(curveObj.oid);
return openpgp.crypto.publicKey.elliptic.ecdh.genPrivateEphemeralKey(
oid,
curveObj.cipher,
curveObj.hash,
V,
d,
fingerprint
);
}
const ECDHE_VZ1 = await genPublicEphemeralKey("curve25519", Q1, fingerprint1);
const ECDHE_VZ2 = await genPublicEphemeralKey("curve25519", Q2, fingerprint1);
const ECDHE_Z1 = await genPrivateEphemeralKey("curve25519", ECDHE_VZ1.V, d1, fingerprint1);
const ECDHE_Z2 = await genPrivateEphemeralKey("curve25519", ECDHE_VZ2.V, d2, fingerprint2);
const ECDHE_Z12 = await genPrivateEphemeralKey("curve25519", ECDHE_VZ1.V, d2, fingerprint1);
describe('ECDHE key generation', function () {
it('Invalid curve', function (done) {
expect(genPublicEphemeralKey("secp256k1", Q1, fingerprint1)
).to.be.rejectedWith(Error, /Unknown point format/).notify(done);
});
it('Invalid public part of ephemeral key and private key', function () {
expect(Array.from(ECDHE_Z12).join(' ') === Array.from(ECDHE_VZ1.Z).join(' ')).to.be.false;
});
it('Invalid fingerprint', function () {
expect(Array.from(ECDHE_Z2).join(' ') === Array.from(ECDHE_VZ2.Z).join(' ')).to.be.false;
});
it('Different keys', function () {
expect(Array.from(ECDHE_Z1).join(' ') === Array.from(ECDHE_VZ2.Z).join(' ')).to.be.false;
});
it('Successful exchange', function () {
expect(Array.from(ECDHE_Z1).join(' ') === Array.from(ECDHE_VZ1.Z).join(' ')).to.be.true;
});
});
});