use rsa::{RsaPrivateKey, RsaPublicKey};
use std::time::Instant;
use rand::rngs::OsRng;

fn generate_rsa_keys(count: usize, key_size: usize) -> Vec<(RsaPrivateKey, RsaPublicKey)> {
    let mut rng = OsRng;
    (0..count)
        .map(|_| {
            let private_key = RsaPrivateKey::new(&mut rng, key_size).expect("Failed to generate a key");
            let public_key = RsaPublicKey::from(&private_key);
            (private_key, public_key)
        })
        .collect()
}

fn main() {
    let start = Instant::now();
    generate_rsa_keys(10, 2048);
    let duration = start.elapsed();
    println!("Execution time: {:?}", duration);
}