148 lines
5.3 KiB
TypeScript
148 lines
5.3 KiB
TypeScript
import { beforeAll, describe, expect, it } from 'vitest'
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import { hex } from '@fuman/utils'
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import { __getWasm, createCtr256, ctr256, freeCtr256 } from '../src/index.js'
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import { initWasm } from './init.js'
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beforeAll(async () => {
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await initWasm()
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})
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describe('aes-ctr', () => {
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const key = hex.decode('603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4')
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const iv = hex.decode('F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF')
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describe('NIST', () => {
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// https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/AES_CTR.pdf
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const data = hex.decode(
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`6BC1BEE2 2E409F96 E93D7E11 7393172A
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AE2D8A57 1E03AC9C 9EB76FAC 45AF8E51
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30C81C46 A35CE411 E5FBC119 1A0A52EF
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F69F2445 DF4F9B17 AD2B417B E66C3710`.replace(/\s/g, ''),
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)
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const dataEnc = hex.decode(
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`601EC313 775789A5 B7A7F504 BBF3D228
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F443E3CA 4D62B59A CA84E990 CACAF5C5
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2B0930DA A23DE94C E87017BA 2D84988D
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DFC9C58D B67AADA6 13C2DD08 457941A6`.replace(/\s/g, ''),
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)
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it('should correctly encrypt', () => {
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const ctr = createCtr256(key, iv)
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const res = ctr256(ctr, data)
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freeCtr256(ctr)
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expect(hex.encode(res)).toEqual(hex.encode(dataEnc))
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})
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it('should correctly decrypt', () => {
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const ctr = createCtr256(key, iv)
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const res = ctr256(ctr, dataEnc)
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freeCtr256(ctr)
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expect(hex.encode(res)).toEqual(hex.encode(data))
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})
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})
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describe('stream', () => {
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const data = hex.decode('6BC1BEE22E409F96E93D7E117393172A')
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const dataEnc1 = hex.decode('601ec313775789a5b7a7f504bbf3d228')
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const dataEnc2 = hex.decode('31afd77f7d218690bd0ef82dfcf66cbe')
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const dataEnc3 = hex.decode('7000927e2f2192cbe4b6a8b2441ddd48')
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it('should correctly encrypt', () => {
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const ctr = createCtr256(key, iv)
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const res1 = ctr256(ctr, data)
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const res2 = ctr256(ctr, data)
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const res3 = ctr256(ctr, data)
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freeCtr256(ctr)
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expect(hex.encode(res1)).toEqual(hex.encode(dataEnc1))
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expect(hex.encode(res2)).toEqual(hex.encode(dataEnc2))
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expect(hex.encode(res3)).toEqual(hex.encode(dataEnc3))
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})
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it('should correctly decrypt', () => {
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const ctr = createCtr256(key, iv)
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const res1 = ctr256(ctr, dataEnc1)
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const res2 = ctr256(ctr, dataEnc2)
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const res3 = ctr256(ctr, dataEnc3)
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freeCtr256(ctr)
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expect(hex.encode(res1)).toEqual(hex.encode(data))
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expect(hex.encode(res2)).toEqual(hex.encode(data))
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expect(hex.encode(res3)).toEqual(hex.encode(data))
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})
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})
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describe('stream (unaligned)', () => {
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const data = hex.decode('6BC1BEE22E40')
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const dataEnc1 = hex.decode('601ec3137757')
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const dataEnc2 = hex.decode('7df2e078a555')
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const dataEnc3 = hex.decode('a3a17be0742e')
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const dataEnc4 = hex.decode('025ced833746')
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const dataEnc5 = hex.decode('3ff238dea125')
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const dataEnc6 = hex.decode('1055a52302dc')
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it('should correctly encrypt', () => {
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const ctr = createCtr256(key, iv)
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const res1 = ctr256(ctr, data)
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const res2 = ctr256(ctr, data)
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const res3 = ctr256(ctr, data)
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const res4 = ctr256(ctr, data)
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const res5 = ctr256(ctr, data)
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const res6 = ctr256(ctr, data)
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freeCtr256(ctr)
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expect(hex.encode(res1)).toEqual(hex.encode(dataEnc1))
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expect(hex.encode(res2)).toEqual(hex.encode(dataEnc2))
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expect(hex.encode(res3)).toEqual(hex.encode(dataEnc3))
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expect(hex.encode(res4)).toEqual(hex.encode(dataEnc4))
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expect(hex.encode(res5)).toEqual(hex.encode(dataEnc5))
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expect(hex.encode(res6)).toEqual(hex.encode(dataEnc6))
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})
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it('should correctly decrypt', () => {
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const ctr = createCtr256(key, iv)
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const res1 = ctr256(ctr, dataEnc1)
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const res2 = ctr256(ctr, dataEnc2)
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const res3 = ctr256(ctr, dataEnc3)
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const res4 = ctr256(ctr, dataEnc4)
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const res5 = ctr256(ctr, dataEnc5)
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const res6 = ctr256(ctr, dataEnc6)
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freeCtr256(ctr)
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expect(hex.encode(res1)).toEqual(hex.encode(data))
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expect(hex.encode(res2)).toEqual(hex.encode(data))
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expect(hex.encode(res3)).toEqual(hex.encode(data))
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expect(hex.encode(res4)).toEqual(hex.encode(data))
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expect(hex.encode(res5)).toEqual(hex.encode(data))
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expect(hex.encode(res6)).toEqual(hex.encode(data))
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})
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})
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it('should not leak memory', () => {
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const data = hex.decode('6BC1BEE22E409F96E93D7E117393172A')
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const mem = __getWasm().memory.buffer
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const memSize = mem.byteLength
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for (let i = 0; i < 100; i++) {
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const ctrEnc = createCtr256(key, iv)
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const ctrDec = createCtr256(key, iv)
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for (let i = 0; i < 100; i++) {
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ctr256(ctrDec, ctr256(ctrEnc, data))
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}
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freeCtr256(ctrEnc)
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freeCtr256(ctrDec)
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}
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expect(mem.byteLength).toEqual(memSize)
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})
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})
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