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FIX: escalarmul fix

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This commit is contained in:
Jordi Baylina
2019-07-30 19:35:19 +02:00
parent 9282ffe8c3
commit b15c7c8089
3 changed files with 72 additions and 11504 deletions
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45
test/escalarmulfix.js
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@@ -50,6 +50,51 @@ describe("Escalarmul test", function () {
assert(yout.equals(babyjub.Base8[1]));
});
it("Should generate scalar mul of a specific constant", async () => {
const s = bigInt("2351960337287830298912035165133676222414898052661454064215017316447594616519");
const base8 = [
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475")
];
const w = circuit.calculateWitness({"e": s});
assert(circuit.checkWitness(w));
const xout = w[circuit.getSignalIdx("main.out[0]")];
const yout = w[circuit.getSignalIdx("main.out[1]")];
const expectedRes = babyjub.mulPointEscalar(base8, s);
assert(xout.equals(expectedRes[0]));
assert(yout.equals(expectedRes[1]));
});
it("Should generate scalar mul of the firsts 50 elements", async () => {
const base8 = [
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475")
];
for (let i=0; i<50; i++) {
const s = bigInt(i);
const w = circuit.calculateWitness({"e": s});
assert(circuit.checkWitness(w));
const xout = w[circuit.getSignalIdx("main.out[0]")];
const yout = w[circuit.getSignalIdx("main.out[1]")];
const expectedRes = babyjub.mulPointEscalar(base8, s);
assert(xout.equals(expectedRes[0]));
assert(yout.equals(expectedRes[1]));
}
});
it("If multiply by order should return 0", async () => {
const w = circuit.calculateWitness({"e": babyjub.subOrder });