Files
card-cli/src/pkiutil.rs

52 lines
1.9 KiB
Rust

use openssl::bn::BigNum;
use openssl::rsa::Rsa;
use pem::Pem;
use sequoia_openpgp::crypto::mpi::PublicKey;
use openpgp_card::crypto_data::PublicKeyMaterial;
use crate::digest::sha256_bytes;
pub fn sequoia_openpgp_public_key_pem(public_key: &PublicKey) -> Option<(Vec<u8>, String)> {
match public_key {
PublicKey::RSA { e, n } => {
let rsa_pub_key = Rsa::from_public_components(
BigNum::from_slice(n.value()).unwrap(),
BigNum::from_slice(e.value()).unwrap(),
);
let rsa_pub_key_bytes = rsa_pub_key.unwrap().public_key_to_der().unwrap();
let rsa_pub_key_bytes_sha256 = sha256_bytes(&rsa_pub_key_bytes);
let pub_key_pem_obj = Pem {
tag: String::from("PUBLIC KEY"),
contents: rsa_pub_key_bytes,
};
Some((rsa_pub_key_bytes_sha256, pem::encode(&pub_key_pem_obj)))
}
_ => {
warning!("Not RSA public key: {:?}", public_key);
None
}
}
}
pub fn openpgp_card_public_key_pem(public_key: &PublicKeyMaterial) -> Option<(Vec<u8>, String)> {
match public_key {
PublicKeyMaterial::R(rsa_pub) => {
let rsa_pub_key = Rsa::from_public_components(
BigNum::from_slice(rsa_pub.n()).unwrap(),
BigNum::from_slice(rsa_pub.v()).unwrap(),
);
let rsa_pub_key_bytes = rsa_pub_key.unwrap().public_key_to_der().unwrap();
let rsa_pub_key_bytes_sha256 = sha256_bytes(&rsa_pub_key_bytes);
let pub_key_pem_obj = Pem {
tag: String::from("PUBLIC KEY"),
contents: rsa_pub_key_bytes,
};
Some((rsa_pub_key_bytes_sha256, pem::encode(&pub_key_pem_obj)))
}
_ => {
warning!("Not RSA public key: {:?}", public_key);
None
}
}
}