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babyjub.js adapted

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This commit is contained in:
Jordi Baylina
2019-12-12 19:46:07 +01:00
parent 30c6cf55b9
commit b4cd3889b6
4 changed files with 92 additions and 60 deletions
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88
test/babyjub_js.js
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@@ -1,7 +1,5 @@
const chai = require("chai");
const path = require("path");
const snarkjs = require("snarkjs");
const compiler = require("circom");
const bigInt = require("big-integer");
const babyjub = require("../src/babyjub.js");
const assert = chai.assert;
@@ -16,14 +14,14 @@ describe("Baby Jub js test", function () {
it("Should add point (0,1) and (0,1)", () => {
const p1 = [
snarkjs.bigInt(0),
snarkjs.bigInt(1)];
bigInt(0),
bigInt(1)];
const p2 = [
snarkjs.bigInt(0),
snarkjs.bigInt(1)
bigInt(0),
bigInt(1)
];
const out = babyjub.addPoint(p1, p2)
const out = babyjub.addPoint(p1, p2);
assert(out[0].equals(0));
assert(out[1].equals(1));
});
@@ -41,43 +39,43 @@ describe("Baby Jub js test", function () {
it("Should add 2 same numbers", () => {
const p1 = [
snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
];
const p2 = [
snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
];
const out = babyjub.addPoint(p1, p2)
assert(out[0].equals(snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365")));
assert(out[1].equals(snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889")));
const out = babyjub.addPoint(p1, p2);
assert(out[0].equals(bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365")));
assert(out[1].equals(bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889")));
});
it("Should add 2 different numbers", () => {
const p1 = [
snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
];
const p2 = [
snarkjs.bigInt("16540640123574156134436876038791482806971768689494387082833631921987005038935"),
snarkjs.bigInt("20819045374670962167435360035096875258406992893633759881276124905556507972311"),
bigInt("16540640123574156134436876038791482806971768689494387082833631921987005038935"),
bigInt("20819045374670962167435360035096875258406992893633759881276124905556507972311"),
];
const out = babyjub.addPoint(p1, p2)
const out = babyjub.addPoint(p1, p2);
assert(out[0].equals(snarkjs.bigInt("7916061937171219682591368294088513039687205273691143098332585753343424131937")));
assert(out[1].equals(snarkjs.bigInt("14035240266687799601661095864649209771790948434046947201833777492504781204499")));
assert(out[0].equals(bigInt("7916061937171219682591368294088513039687205273691143098332585753343424131937")));
assert(out[1].equals(bigInt("14035240266687799601661095864649209771790948434046947201833777492504781204499")));
});
it("should mulPointEscalar 0", () => {
const p = [
snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
];
const r = babyjub.mulPointEscalar(p, snarkjs.bigInt("3"));
const r = babyjub.mulPointEscalar(p, bigInt("3"));
let r2 = babyjub.addPoint(p, p);
r2 = babyjub.addPoint(r2, p);
assert.equal(r2[0].toString(), r[0].toString());
@@ -88,65 +86,65 @@ describe("Baby Jub js test", function () {
it("should mulPointEscalar 1", () => {
const p = [
snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
];
const r = babyjub.mulPointEscalar(p, snarkjs.bigInt("14035240266687799601661095864649209771790948434046947201833777492504781204499"));
const r = babyjub.mulPointEscalar(p, bigInt("14035240266687799601661095864649209771790948434046947201833777492504781204499"));
assert.equal(r[0].toString(), "17070357974431721403481313912716834497662307308519659060910483826664480189605");
assert.equal(r[1].toString(), "4014745322800118607127020275658861516666525056516280575712425373174125159339");
});
it("should mulPointEscalar 2", () => {
const p = [
snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"),
snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"),
bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"),
bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"),
];
const r = babyjub.mulPointEscalar(p, snarkjs.bigInt("20819045374670962167435360035096875258406992893633759881276124905556507972311"));
const r = babyjub.mulPointEscalar(p, bigInt("20819045374670962167435360035096875258406992893633759881276124905556507972311"));
assert.equal(r[0].toString(), "13563888653650925984868671744672725781658357821216877865297235725727006259983");
assert.equal(r[1].toString(), "8442587202676550862664528699803615547505326611544120184665036919364004251662");
});
it("should inCurve 1", () => {
const p = [
snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
];
assert(babyjub.inCurve(p));
});
it("should inCurve 2", () => {
const p = [
snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"),
snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"),
bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"),
bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"),
];
assert(babyjub.inCurve(p));
});
it("should inSubgroup 1", () => {
const p = [
snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
];
assert(babyjub.inSubgroup(p));
});
it("should inSubgroup 2", () => {
const p = [
snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"),
snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"),
bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"),
bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"),
];
assert(babyjub.inSubgroup(p));
});
it("should packPoint - unpackPoint 1", () => {
const p = [
snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475"),
];
const buf = babyjub.packPoint(p);
assert.equal(buf.toString('hex'), '53b81ed5bffe9545b54016234682e7b2f699bd42a5e9eae27ff4051bc698ce85');
assert.equal(buf.toString("hex"), "53b81ed5bffe9545b54016234682e7b2f699bd42a5e9eae27ff4051bc698ce85");
const p2 = babyjub.unpackPoint(buf);
assert.equal(p2[0].toString(), "17777552123799933955779906779655732241715742912184938656739573121738514868268");
assert.equal(p2[1].toString(), "2626589144620713026669568689430873010625803728049924121243784502389097019475");
@@ -154,11 +152,11 @@ describe("Baby Jub js test", function () {
it("should packPoint - unpackPoint 2", () => {
const p = [
snarkjs.bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"),
snarkjs.bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"),
bigInt("6890855772600357754907169075114257697580319025794532037257385534741338397365"),
bigInt("4338620300185947561074059802482547481416142213883829469920100239455078257889"),
];
const buf = babyjub.packPoint(p);
assert.equal(buf.toString('hex'), 'e114eb17eddf794f063a68fecac515e3620e131976108555735c8b0773929709');
assert.equal(buf.toString("hex"), "e114eb17eddf794f063a68fecac515e3620e131976108555735c8b0773929709");
const p2 = babyjub.unpackPoint(buf);
assert.equal(p2[0].toString(), "6890855772600357754907169075114257697580319025794532037257385534741338397365");
assert.equal(p2[1].toString(), "4338620300185947561074059802482547481416142213883829469920100239455078257889");