arnaucube/blindsecp256k1-js
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Add Point decode from hex

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arnaucube
2021-02-05 20:45:49 +01:00
parent fc74a782e3
commit 87847a400c
3 changed files with 36 additions and 1725 deletions
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29
test/index.test.ts
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@@ -1,13 +1,13 @@
import * as assert from 'assert'
import * as BigInteger from 'bigi'
// import { Point } from 'ecurve'
import { keccak256 } from "@ethersproject/keccak256"
import { Point } from 'ecurve'
import { keccak256 } from '@ethersproject/keccak256'
import { newBigFromString, ecparams, newKeyPair, newRequestParameters, blind, blindSign, unblind, verify } from "../src/index"
import { newBigFromString, ecparams, importPointFromHex, newKeyPair, newRequestParameters, blind, blindSign, unblind, verify } from '../src/index'
describe("keccak256", function () {
it("keccak256", async () => {
const m = BigInteger.fromBuffer(Buffer.from("test", 'utf8'))
describe('keccak256', function () {
it('keccak256', async () => {
const m = BigInteger.fromBuffer(Buffer.from('test', 'utf8'))
const mHex = m.toString(16)
const hHex = keccak256('0x' + mHex)
assert.strictEqual('0x9c22ff5f21f0b81b113e63f7db6da94fedef11b2119b4088b89664fb9a3cb658', hHex)
@@ -16,14 +16,14 @@ describe("keccak256", function () {
})
})
describe("test blind", function () {
it("should blind", async () => {
describe('test blind', function () {
it('should blind', async () => {
const { sk, pk } = newKeyPair()
const { k, signerR } = newRequestParameters()
const msg = BigInteger.fromBuffer(
Buffer.from("test", 'utf8')
Buffer.from('test', 'utf8')
)
assert.strictEqual('1952805748', msg.toString())
@@ -37,3 +37,14 @@ describe("test blind", function () {
assert(verified)
})
})
describe('import point from hex', function () {
it('', async () => {
// pointHex and expected values was generated from
// go-blindsecp256k1 (Point.Bytes())
const pointHex = '73a68e845e626a2d7f683dd2ceb57956f755d623c0b729af30a72c7bf4dee7a6932d08955c98cf21edf35f5df218b56c41014db06f513cecc85dc3d8671f9521'
const p = importPointFromHex(pointHex)
assert.strictEqual('75493613315673782629634797792529672610524641864826422940379513836118869976691', p.x.toString())
assert.strictEqual('15189800969738851359449622716277258420468338317311652509571160848111971610003', p.y.toString())
})
})