94 lines
3.3 KiB
TypeScript
94 lines
3.3 KiB
TypeScript
import {expect} from "chai";
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import {IBls} from "../../src/interface";
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import {getN, randomMessage} from "../util";
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export function runIndexTests(bls: IBls): void {
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// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
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function getRandomData() {
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const sk = bls.PrivateKey.fromKeygen();
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const pk = sk.toPublicKey();
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const msg = randomMessage();
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const sig = sk.sign(msg);
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return {sk, pk, msg, sig};
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}
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describe("verify", () => {
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it("should verify signature", () => {
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const {pk, msg, sig} = getRandomData();
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const pkHex = pk.toHex();
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const isValid = bls.verify(pk.toBytes(), msg, sig.toBytes());
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expect(isValid, "fail verify").to.be.true;
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// Make sure to not modify original pubkey when verifying
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expect(pk.toHex()).to.be.equal(pkHex, "pubkey modified when verifying");
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});
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it("should fail verify empty signature", () => {
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const {pk, msg} = getRandomData();
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const emptySig = Buffer.alloc(96);
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const isValid = bls.verify(pk.toBytes(), msg, emptySig);
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expect(isValid).to.be.false;
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});
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it("should fail verify signature of different message", () => {
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const {pk, sig} = getRandomData();
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const msg2 = randomMessage();
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const isValid = bls.verify(pk.toBytes(), msg2, sig.toBytes());
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expect(isValid).to.be.false;
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});
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it("should fail verify signature signed by different key", () => {
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const {msg, sig} = getRandomData();
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const {pk: pk2} = getRandomData();
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const isValid = bls.verify(pk2.toBytes(), msg, sig.toBytes());
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expect(isValid).to.be.false;
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});
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});
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describe("verify multiple", () => {
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it("should verify aggregated signatures", () => {
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const sks = getN(4, () => bls.PrivateKey.fromKeygen());
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const msgs = getN(2, () => randomMessage());
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const pks = sks.map((sk) => sk.toPublicKey());
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const sigs = [sks[0].sign(msgs[0]), sks[1].sign(msgs[0]), sks[2].sign(msgs[1]), sks[3].sign(msgs[1])];
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const aggPubkeys = [
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bls.aggregatePubkeys([pks[0], pks[1]].map((pk) => pk.toBytes())),
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bls.aggregatePubkeys([pks[2], pks[3]].map((pk) => pk.toBytes())),
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];
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const aggSig = bls.aggregateSignatures(sigs.map((sig) => sig.toBytes()));
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expect(bls.verifyMultiple(aggPubkeys, msgs, aggSig), "should be valid").to.be.true;
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expect(bls.verifyMultiple(aggPubkeys.reverse(), msgs, aggSig), "should fail - swaped pubkeys").to.be.false;
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});
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it("should verify aggregated signatures - same message", () => {
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const n = 4;
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const msg = randomMessage();
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const sks = getN(n, () => bls.PrivateKey.fromKeygen());
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const pks = sks.map((sk) => sk.toPublicKey());
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const sigs = sks.map((sk) => sk.sign(msg));
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const aggregateSignature = bls.aggregateSignatures(sigs.map((sig) => sig.toBytes()));
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const isValid = bls.verifyMultiple(
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pks.map((pk) => pk.toBytes()),
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getN(4, () => msg), // Same message n times
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aggregateSignature
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);
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expect(isValid).to.be.true;
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});
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it("should fail to verify aggregated signatures - no public keys", () => {
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const sig = Buffer.alloc(96);
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const msg1 = randomMessage();
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const msg2 = randomMessage();
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const isValid = bls.verifyMultiple([], [msg2, msg1], sig);
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expect(isValid).to.be.false;
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});
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});
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}
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