add tests for babyjub eddsa poseidon sign & verify

This commit is contained in:
arnaucube 2019-08-29 17:44:44 +02:00
parent 425f50a9ed
commit ae362ec61b

@ -12,7 +12,7 @@ describe("EdDSA js test", function () {
this.timeout(100000);
it("Sign a single 10 bytes from 0 to 9", () => {
it("Sign (using Mimc7) a single 10 bytes from 0 to 9", () => {
const msgBuf = Buffer.from("00010203040506070809", "hex");
const msg = bigInt.leBuff2int(msgBuf);
@ -46,4 +46,37 @@ describe("EdDSA js test", function () {
assert(eddsa.verifyMiMC(msg, uSignature, pubKey));
});
it("Sign (using Poseidon) a single 10 bytes from 0 to 9", () => {
const msgBuf = Buffer.from("00010203040506070809", "hex");
const msg = bigInt.leBuff2int(msgBuf);
const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex");
const pubKey = eddsa.prv2pub(prvKey);
assert.equal(pubKey[0].toString(),
"13277427435165878497778222415993513565335242147425444199013288855685581939618");
assert.equal(pubKey[1].toString(),
"13622229784656158136036771217484571176836296686641868549125388198837476602820");
const pPubKey = babyJub.packPoint(pubKey);
const signature = eddsa.signPoseidon(prvKey, msg);
assert.equal(signature.R8[0].toString(),
"11384336176656855268977457483345535180380036354188103142384839473266348197733");
assert.equal(signature.R8[1].toString(),
"15383486972088797283337779941324724402501462225528836549661220478783371668959");
assert.equal(signature.S.toString(),
"248298168863866362217836334079793350221620631973732197668910946177382043688");
const pSignature = eddsa.packSignature(signature);
assert.equal(pSignature.toString("hex"), ""+
"dfedb4315d3f2eb4de2d3c510d7a987dcab67089c8ace06308827bf5bcbe02a2"+
"28506bce274aa1b3f7e7c2fd7e4fe09bff8f9aa37a42def7994e98f322888c00");
const uSignature = eddsa.unpackSignature(pSignature);
assert(eddsa.verifyPoseidon(msg, uSignature, pubKey));
});
});