Falcon Signature JS

The JS module of the post-quantum digital signature algorithm (FALCON).

For more information about the FALCON post-quantum digital signature algorithm, please refer to the following link: FALCON

Installation

from npm

npm install falcon-sign

from git

git clone [email protected]:pqcsf/falcon-sign-js.git
cd falcon-sign-js

Quick Start

FALCON512:

const { getKernel } = require('falcon-sign');
(async () => 
{
    let Falcon512 = await getKernel('falcon512_n3_v1'); //get falcon512_n3_v1 Kernel
    //gernkey
    let keypair = Falcon512.genkey(); //return { sk, pk, genKeySeed }
    //sign
    let text = 'TEST MSG';
    let sign = Falcon512.sign(text, keypair.sk);
    //verify
    console.log(Falcon512.verify(sign, text, keypair.pk));
    //create public key by private key
    let pk = Falcon512.publicKeyCreate(keypair.sk);
})();

FALCON1024:

Only the name of getKernel needs to be changed. (falcon512_n3_v1 -> falcon1024_n3_v1)

const { getKernel } = require('falcon-sign');
(async () => 
{
    let Falcon1024 = await getKernel('falcon1024_n3_v1'); //get falcon512_n3_v1 Kernel
    //gernkey
    let keypair = Falcon1024.genkey(); //return { sk, pk, genKeySeed }
    //sign
    let text = 'TEST MSG';
    let sign = Falcon1024.sign(text, keypair.sk);
    //verify
    console.log(Falcon1024.verify(sign, text, keypair.pk));
    //create public key by private key
    let pk = Falcon1024.publicKeyCreate(keypair.sk);
})();

Use specific seeds to generate key pairs

let seed = new Uint8Array(.....);
let keypair = Falcon512.genkey(seed);

Seed length according to: Falcon512.genkeySeedByte, different algorithms may have different lengths.

Generate the same signature

const salt = new Uint8Array(.....);
let sign = Falcon512.sign(text, keypair.sk, salt);

Salt length according to: Falcon512.signSaltByte, different algorithms may have different lengths.

API

The API is here: API Reference

License

The license is here: License

Author

• PQCSF ([email protected])