bigint-crypto-utils/test/modPow.js

59 lines
2.2 KiB
JavaScript

'use strict'
// Every test file (you can create as many as you want) should start like this
// Please, do NOT touch. They will be automatically removed for browser tests -->
const _pkg = require('../lib/index.node')
const chai = require('chai')
// <--
const inputs = [
{
a: BigInt(4),
b: BigInt(-1),
n: BigInt(19),
modPow: BigInt(5)
},
{
a: BigInt(-5),
b: BigInt(2),
n: BigInt(7),
modPow: BigInt(4)
},
{
a: BigInt(2),
b: BigInt(255),
n: BigInt(64),
modPow: BigInt(0)
},
{
a: BigInt(3),
b: BigInt(3),
n: BigInt(25),
modPow: BigInt(2)
}
]
describe('modPow', function () {
this.timeout(90000)
for (const input of inputs) {
describe(`modPow(${input.a}, ${input.b}, ${input.n})`, function () {
it(`should return ${input.modPow}`, function () {
const ret = _pkg.modPow(input.a, input.b, input.n)
chai.expect(ret).to.equal(input.modPow)
})
})
}
describe('Time profiling', function () {
let iterations = 500
it(`just testing ${iterations} iterations of a big modular exponentiation (1024 bits)`, function () {
const p = BigInt('103920301461718841589267304263845359224454055603847417021399996422142529929535423886894599506329362009085557636432288745748144369296043048325513558512136442971686130986388589421125262751724362880217790112013162815676017250234401214198365302142787009943498370856167174244675719638815809347261773472114842038647')
const b = BigInt('313632271690673451924314047671460131678794095260951233878123501752357966284491455239133687519908410656818506813151659324961829045286402303082891913186909806785080978448037486178337722667190743610785429936585699831407575170854873682955317589189564880931807976657385223632835801016017549762825562427694700595')
const e = BigInt('452149997592306202232720864363485824701879487303880767747217308770351197801836846325633986474037061753983278534192061455638289551714281047915315943771002615269860312318606105460307037327329178890486613832051027105330475852552183444938408408863970975090778239473049899109989825645608770309107015209564444316')
while (iterations > 0) {
_pkg.modPow(b, e, p)
iterations--
}
})
})
})