Typescript Implementation of CRYSTALS Kyber IND-CCA2-secure key encapsulation mechanism (KEM), whose security is based on the hardness of solving the learning-with-errors (LWE) problem over module lattices. https://www.npmjs.com/package/crystals-kyber-ts
License: MIT License
I tried the example script:
import { Kyber1024Handshake } from 'crystals-kyber-ts';
const bobHandshake = new Kyber1024Handshake();
const aliceHandshake = new Kyber1024Handshake();
const aliceCipherText = aliceHandshake.generateCipherTextAndSharedSecret(bobPublicKey);
const bobSharedSecret = bobHandshake.generateRemoteSharedSecret(aliceCipherText);
console.log(aliceHandshake.sharedSecret, bobSharedSecret);
I would expect aliceHandshake.sharedSecret to be identical to bobSharedSecret, but the values are different. Am I missing something?
Running the following file with Node.js, I get the following error:
import {Kyber1024Handshake} from 'crystals-kyber-ts'node:internal/errors:490
ErrorCaptureStackTrace(err);
^
Error [ERR_MODULE_NOT_FOUND]: Cannot find module 'D:\Users\Jordan\Desktop\kyber-test\node_modules\crystals-kyber-ts\dist\services\kyber512.service' imported from D:\Users\Jordan\Desktop\kyber-test\node_modules\crystals-kyber-ts\dist\index.js
at new NodeError (node:internal/errors:399:5)
at finalizeResolution (node:internal/modules/esm/resolve:326:11)
at moduleResolve (node:internal/modules/esm/resolve:945:10)
at defaultResolve (node:internal/modules/esm/resolve:1153:11)
at nextResolve (node:internal/modules/esm/loader:163:28)
at ESMLoader.resolve (node:internal/modules/esm/loader:838:30)
at ESMLoader.getModuleJob (node:internal/modules/esm/loader:424:18)
at ModuleWrap.<anonymous> (node:internal/modules/esm/module_job:77:40)
at link (node:internal/modules/esm/module_job:76:36) {
code: 'ERR_MODULE_NOT_FOUND'
}
Node.js v18.15.0
Since package.json has type: "module", all import specifiers need to have file extensions.
Recommended reading: https://www.typescriptlang.org/docs/handbook/esm-node.html
You do not generate a pair of local keys, the _publicKey and _privateKey fields remain equal to [], which is why Bob and Alice have the same private and public keys. Therefore, the shared key is the same. If you add your code to generate keys, then the shared key no longer matches.
See: fisherstevenk/kyberJCE#14
Overwrite pre-k with z on re-encryption failure
Hey im working on exposing the pke so that we can use crystals kyber to encrypt 32-byte messages as well as also allowing to perform indcpa keygen using custom seed to encrypt data via password etc.
Just might need some help with the tests.
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