crypto-keygen-suite/keyGen/bases/ProtocolFrameworks/homomorphic.js

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

import yargs from 'yargs/yargs';
import { hideBin } from 'yargs/helpers';
import crypto from 'crypto';

// Simulated Homomorphic Encryption System
class HomomorphicEncryption {
    constructor() {
        this.key = crypto.randomBytes(32); // Secret key for encryption
    }

    encryptData(data) {
        const nonce = crypto.randomBytes(12);
        const cipher = crypto.createCipheriv('aes-256-gcm', this.key, nonce);
        const encrypted = Buffer.concat([cipher.update(data.toString(), 'utf8'), cipher.final()]);
        const authTag = cipher.getAuthTag();
        return Buffer.concat([nonce, authTag, encrypted]).toString('hex');
    }

    homomorphicAddition(encrypted1, encrypted2) {
        const buffer1 = Buffer.from(encrypted1, 'hex');
        const buffer2 = Buffer.from(encrypted2, 'hex');

        // Simulated Homomorphic Operation: XOR (Simple Addition)
        const computed = Buffer.from(buffer1.map((byte, index) => byte ^ buffer2[index])); // Bitwise XOR
        return computed.toString('hex');
    }
}

// CLI Setup
async function main() {
    const argv = yargs(hideBin(process.argv))
        .option('mode', {
            alias: 'm',
            type: 'string',
            choices: ['encrypt', 'add'],
            describe: 'Encrypt data or perform homomorphic addition',
        })
        .option('data', {
            alias: 'd',
            type: 'string',
            describe: 'Data to encrypt',
        })
        .option('data2', {
            alias: 'd2',
            type: 'string',
            describe: 'Second encrypted data for addition',
        })
        .help()
        .argv;

    const homomorphic = new HomomorphicEncryption();

    if (argv.mode === 'encrypt') {
        if (!argv.data) {
            console.error("❌ Encryption requires input data!");
            return;
        }
        const encryptedData = homomorphic.encryptData(argv.data);
        console.log(`🔐 Encrypted Data (Hex): ${encryptedData}`);
    } else if (argv.mode === 'add') {
        if (!argv.data || !argv.data2) {
            console.error("❌ Homomorphic addition requires two encrypted values!");
            return;
        }
        const computedResult = homomorphic.homomorphicAddition(argv.data, argv.data2);
        console.log(`➕ Homomorphic Addition Result (Hex): ${computedResult}`);
    } else {
        console.error("❌ Invalid mode. Use --mode encrypt | add");
    }
}

console.log("🚀 Debug: Running main function...");
main();