1const chai = require("chai");
 2
 3const eddsa = require("../src/eddsa.js");
 4const babyJub = require("../src/babyjub.js");
 5
 6const assert = chai.assert;
 7
 8const utils = require("ffjavascript").utils;
 9
10describe("EdDSA js test", function () {
11
12    this.timeout(100000);
13
14    it("Sign (using Mimc7) a single 10 bytes from 0 to 9", () => {
15        const msgBuf = Buffer.from("00010203040506070809", "hex");
16        const msg = utils.leBuff2int(msgBuf);
17
18        //  const prvKey = crypto.randomBytes(32);
19
20        const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex");
21
22        const pubKey = eddsa.prv2pub(prvKey);
23
24        assert.equal(pubKey[0].toString(),
25            "17579234973106307986399040784563986669343100608865726413246909559198451825625");
26        assert.equal(pubKey[1].toString(),
27            "21581828029826859845363968476425861244058376747493285816141526544272562145486");
28
29        const pPubKey = babyJub.packPoint(pubKey);
30
31        const signature = eddsa.signMiMC(prvKey, msg);
32        assert.equal(signature.R8[0].toString(),
33            "12672422877531089818651367820728973438446851190471722610781936061829103362897");
34        assert.equal(signature.R8[1].toString(),
35            "12052234579439634484237590306927118446073354173341433290934144373261241958718");
36        assert.equal(signature.S.toString(),
37            "1582013862333331285840015273849085014739146294568319205499642618291614907374");
38
39        const pSignature = eddsa.packSignature(signature);
40        assert.equal(pSignature.toString("hex"), ""+
41            "3e417cd811f9c9c545a680b962e45d22ccb62b2284b4fe4bbc9fdb50b252a59a" +
42            "eefbebe2b895393fa0e9b5b31b19e65a63fee5d7b6261d8d5b6b847c5b637f03");
43
44        const uSignature = eddsa.unpackSignature(pSignature);
45        assert(eddsa.verifyMiMC(msg, uSignature, pubKey));
46
47    });
48
49    it("Sign (using Poseidon) a single 10 bytes from 0 to 9", () => {
50        const msgBuf = Buffer.from("00010203040506070809", "hex");
51        const msg = utils.leBuff2int(msgBuf);
52
53        const prvKey = Buffer.from("0001020304050607080900010203040506070809000102030405060708090001", "hex");
54
55        const pubKey = eddsa.prv2pub(prvKey);
56
57        assert.equal(pubKey[0].toString(),
58            "17579234973106307986399040784563986669343100608865726413246909559198451825625");
59        assert.equal(pubKey[1].toString(),
60            "21581828029826859845363968476425861244058376747493285816141526544272562145486");
61
62        const pPubKey = babyJub.packPoint(pubKey);
63
64        const signature = eddsa.signPoseidon(prvKey, msg);
65        assert.equal(signature.R8[0].toString(),
66            "12672422877531089818651367820728973438446851190471722610781936061829103362897");
67        assert.equal(signature.R8[1].toString(),
68            "12052234579439634484237590306927118446073354173341433290934144373261241958718");
69        assert.equal(signature.S.toString(),
70            "2318334603430781860679872910160434499077270843466490702990199622594868564504");
71
72        const pSignature = eddsa.packSignature(signature);
73        assert.equal(pSignature.toString("hex"), ""+
74            "3e417cd811f9c9c545a680b962e45d22ccb62b2284b4fe4bbc9fdb50b252a59a" +
75            "1852c049fc6286138a0ddb57718049a09374fdf0390686c7ac5637b481212005");
76
77        const uSignature = eddsa.unpackSignature(pSignature);
78        assert(eddsa.verifyPoseidon(msg, uSignature, pubKey));
79
80    });
81});