crypto-keygen-suite/keyGen/otp/generateHOTP.js

Key generation utilities for cryptographic operations. YES I RENAMED IT. SIX STATE PROTOCOL!!! See its folder for all <3

import { hotp, authenticator } from 'otplib';
import yargs from 'yargs/yargs';
import { hideBin } from 'yargs/helpers';
import fs from 'fs';
import base32 from 'base32.js';
const { Decoder } = base32;

function generateHOTPSecret(counter, outputFormat, secure) {
    try {
        const secretBase32 = authenticator.generateSecret();

        const decoder = new Decoder();
        const decoded = decoder.write(secretBase32).finalize();

        let secret;
        switch (outputFormat) {
            case 'hex':
                secret = Buffer.from(decoded).toString('hex');
                break;
            case 'raw':
                secret = decoded;
                break;
            case 'base32':
            default:
                secret = secretBase32;
                break;
        }

        const code = hotp.generate(secretBase32, counter);

        console.log(`✅ HOTP Secret (${outputFormat.toUpperCase()}):`, secret);
        console.log(`🔢 HOTP Code (counter=${counter}):`, code);

        if (secure) {
            console.log("🔒 Secure Mode Enabled: Saving secret and code to files.");
            fs.writeFileSync(`hotp_secret.${outputFormat}`, secret.toString());
            fs.writeFileSync(`hotp_code_${counter}.txt`, code);
        }

        return { secret, code };
    } catch (error) {
        console.error(`❌ HOTP Generation Failed: ${error.message}`);
    }
}

async function main() {
    const argv = yargs(hideBin(process.argv))
        .option('counter', {
            alias: 'c',
            type: 'number',
            demandOption: true,
            describe: 'Counter value (integer) for HOTP code generation'
        })
        .option('format', {
            alias: 'f',
            type: 'string',
            default: 'base32',
            choices: ['base32', 'hex', 'raw'],
            describe: 'Output format for the secret'
        })
        .option('secure', {
            alias: 's',
            type: 'boolean',
            default: false,
            describe: 'Save secret and code to files'
        })
        .argv;

    generateHOTPSecret(argv.counter, argv.format, argv.secure);
}

console.log("🚀 Running HOTP generator CLI...");
main();