1const chai = require("chai");
 2
 3const eddsa = require("../src/eddsa.js");
 4const babyJub = require("../src/babyjub.js");
 5
 6const assert = chai.assert;
 7
 8const bigInt = require("big-integer");
 9const utils = require("../src/utils.js");
10
11describe("EdDSA js test", function () {
12
13    this.timeout(100000);
14
15    it("Sign (using Mimc7) a single 10 bytes from 0 to 9", () => {
16        const msgBuf = Buffer.from("00010203040506070809", "hex");
17        const msg = utils.leBuff2int(msgBuf);
18
19        //  const prvKey = crypto.randomBytes(32);
20
21        const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex");
22
23        const pubKey = eddsa.prv2pub(prvKey);
24
25        assert.equal(pubKey[0].toString(),
26            "13277427435165878497778222415993513565335242147425444199013288855685581939618");
27        assert.equal(pubKey[1].toString(),
28            "13622229784656158136036771217484571176836296686641868549125388198837476602820");
29
30        const pPubKey = babyJub.packPoint(pubKey);
31
32        const signature = eddsa.signMiMC(prvKey, msg);
33        assert.equal(signature.R8[0].toString(),
34            "11384336176656855268977457483345535180380036354188103142384839473266348197733");
35        assert.equal(signature.R8[1].toString(),
36            "15383486972088797283337779941324724402501462225528836549661220478783371668959");
37        assert.equal(signature.S.toString(),
38            "2523202440825208709475937830811065542425109372212752003460238913256192595070");
39
40        const pSignature = eddsa.packSignature(signature);
41        assert.equal(pSignature.toString("hex"), ""+
42            "dfedb4315d3f2eb4de2d3c510d7a987dcab67089c8ace06308827bf5bcbe02a2"+
43            "7ed40dab29bf993c928e789d007387998901a24913d44fddb64b1f21fc149405");
44
45        const uSignature = eddsa.unpackSignature(pSignature);
46        assert(eddsa.verifyMiMC(msg, uSignature, pubKey));
47
48    });
49
50    it("Sign (using Poseidon) a single 10 bytes from 0 to 9", () => {
51        const msgBuf = Buffer.from("00010203040506070809", "hex");
52        const msg = utils.leBuff2int(msgBuf);
53
54        const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex");
55
56        const pubKey = eddsa.prv2pub(prvKey);
57
58        assert.equal(pubKey[0].toString(),
59            "13277427435165878497778222415993513565335242147425444199013288855685581939618");
60        assert.equal(pubKey[1].toString(),
61            "13622229784656158136036771217484571176836296686641868549125388198837476602820");
62
63        const pPubKey = babyJub.packPoint(pubKey);
64
65        const signature = eddsa.signPoseidon(prvKey, msg);
66        assert.equal(signature.R8[0].toString(),
67            "11384336176656855268977457483345535180380036354188103142384839473266348197733");
68        assert.equal(signature.R8[1].toString(),
69            "15383486972088797283337779941324724402501462225528836549661220478783371668959");
70        assert.equal(signature.S.toString(),
71            "248298168863866362217836334079793350221620631973732197668910946177382043688");
72
73        const pSignature = eddsa.packSignature(signature);
74        assert.equal(pSignature.toString("hex"), ""+
75            "dfedb4315d3f2eb4de2d3c510d7a987dcab67089c8ace06308827bf5bcbe02a2"+
76            "28506bce274aa1b3f7e7c2fd7e4fe09bff8f9aa37a42def7994e98f322888c00");
77
78        const uSignature = eddsa.unpackSignature(pSignature);
79        assert(eddsa.verifyPoseidon(msg, uSignature, pubKey));
80
81    });
82});