keys 0.0.1

Generate keypair for my crypto currency chuck coin
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use rand_core::OsRng;
use k256::{
    ecdsa::{SigningKey, VerifyingKey},
};

fn main() {

    println!("Creating your random ECDSA Secp256k1 keypair...");
    println!("\nRemember: DON'T SHARE YOUR PRIVATE KEY WITH ANYONE!\n");
    create_keypair();
}

pub fn create_keypair() {
    let signing_key = SigningKey::random(&mut OsRng);
    let verifying_key = VerifyingKey::from(signing_key.clone());

    println!("Private key: {} ", hex::encode_upper(signing_key.to_bytes()));
    println!("Public key: {}", hex::encode_upper(verifying_key.to_encoded_point(false).as_bytes()));
}