import { Injectable } from "@nestjs/common";
import { ml_kem768 } from "@noble/post-quantum/ml-kem.js";

@Injectable()
export class PostQuantumService {
	generatePostQuantumKeyPair() {
		const seed = new Uint8Array(64);
		crypto.getRandomValues(seed);
		const { publicKey, secretKey } = ml_kem768.keygen(seed);
		return { publicKey, secretKey };
	}

	encapsulate(publicKey: Uint8Array) {
		return ml_kem768.encapsulate(publicKey);
	}

	decapsulate(cipherText: Uint8Array, secretKey: Uint8Array) {
		return ml_kem768.decapsulate(cipherText, secretKey);
	}
}