930 lines
30 KiB
Rust
930 lines
30 KiB
Rust
// SPDX-FileCopyrightText: 2021-2022 Heiko Schaefer <heiko@schaefer.name>
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// SPDX-License-Identifier: MIT OR Apache-2.0
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use anyhow::{anyhow, Result};
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use clap::Parser;
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use std::path::{Path, PathBuf};
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use sequoia_openpgp::parse::{stream::DecryptorBuilder, Parse};
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use sequoia_openpgp::policy::StandardPolicy;
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use sequoia_openpgp::serialize::stream::{Armorer, Message, Signer};
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use sequoia_openpgp::serialize::SerializeInto;
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use sequoia_openpgp::Cert;
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use openpgp_card::algorithm::AlgoSimple;
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use openpgp_card::card_do::Sex;
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use openpgp_card::{CardBackend, KeyType, OpenPgp};
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use openpgp_card_sequoia::card::{Admin, Open};
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use openpgp_card_sequoia::util::{
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make_cert, public_key_material_and_fp_to_key, public_key_material_to_key,
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};
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use openpgp_card_sequoia::{sq_util, PublicKey};
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use crate::util::{load_pin, print_gnuk_note};
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use sequoia_openpgp::types::{HashAlgorithm, SymmetricAlgorithm};
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use std::io::Write;
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mod cli;
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mod util;
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const ENTER_USER_PIN: &str = "Enter user PIN:";
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const ENTER_ADMIN_PIN: &str = "Enter admin PIN:";
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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env_logger::init();
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let cli = cli::Cli::parse();
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match cli.cmd {
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cli::Command::List {} => {
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println!("Available OpenPGP cards:");
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list_cards()?;
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}
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cli::Command::Status { ident, verbose } => {
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print_status(ident, verbose)?;
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}
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cli::Command::Info { ident } => {
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print_info(ident)?;
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}
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cli::Command::Ssh { ident } => {
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print_ssh(ident)?;
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}
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cli::Command::Pubkey { ident, user_pin } => {
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print_pubkey(ident, user_pin)?;
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}
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cli::Command::SetIdentity { ident, id } => {
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set_identity(&ident, id)?;
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}
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cli::Command::Decrypt {
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ident,
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user_pin,
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cert_file,
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input,
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} => {
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decrypt(&ident, user_pin, &cert_file, input.as_deref())?;
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}
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cli::Command::Sign {
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ident,
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user_pin,
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cert_file,
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detached,
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input,
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} => {
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if detached {
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sign_detached(&ident, user_pin, &cert_file, input.as_deref())?;
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} else {
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return Err(
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anyhow::anyhow!("Only detached signatures are supported for now").into(),
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);
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}
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}
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cli::Command::FactoryReset { ident } => {
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factory_reset(&ident)?;
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}
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cli::Command::Admin {
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ident,
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admin_pin,
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cmd,
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} => {
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let mut card = util::open_card(&ident)?;
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let mut pgp = OpenPgp::new(&mut card);
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let mut open = Open::new(pgp.transaction()?)?;
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let admin_pin = util::get_pin(&mut open, admin_pin, ENTER_ADMIN_PIN);
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match cmd {
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cli::AdminCommand::Name { name } => {
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let mut admin = util::verify_to_admin(&mut open, admin_pin.as_deref())?;
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let _ = admin.set_name(&name)?;
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}
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cli::AdminCommand::Url { url } => {
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let mut admin = util::verify_to_admin(&mut open, admin_pin.as_deref())?;
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let _ = admin.set_url(&url)?;
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}
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cli::AdminCommand::Import {
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keyfile,
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sig_fp,
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dec_fp,
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auth_fp,
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} => {
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let key = Cert::from_file(keyfile)?;
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let admin = util::verify_to_admin(&mut open, admin_pin.as_deref())?;
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if (&sig_fp, &dec_fp, &auth_fp) == (&None, &None, &None) {
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// If no fingerprint has been provided, we check if
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// there is zero or one (sub)key for each keytype,
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// and if so, import these keys to the card.
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key_import_yolo(admin, &key)?;
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} else {
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key_import_explicit(admin, &key, sig_fp, dec_fp, auth_fp)?;
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}
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}
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cli::AdminCommand::Generate {
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user_pin,
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output,
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no_decrypt,
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no_auth,
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algo,
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} => {
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let user_pin = util::get_pin(&mut open, user_pin, ENTER_USER_PIN);
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generate_keys(
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open,
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admin_pin.as_deref(),
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user_pin.as_deref(),
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output,
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!no_decrypt,
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!no_auth,
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algo,
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)?;
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}
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}
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}
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cli::Command::Pin { ident, cmd } => {
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let mut card = util::open_card(&ident)?;
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let mut pgp = OpenPgp::new(&mut card);
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let pgpt = pgp.transaction()?;
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let pinpad_modify = pgpt.feature_pinpad_modify();
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let mut open = Open::new(pgpt)?;
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match cmd {
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cli::PinCommand::SetUser {
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user_pin_old,
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user_pin_new,
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} => {
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let res = if !pinpad_modify {
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// get current user pin
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let user_pin1 = util::get_pin(&mut open, user_pin_old, ENTER_USER_PIN)
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.expect("this should never be None");
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// verify pin
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open.verify_user(&user_pin1)?;
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println!("PIN was accepted by the card.\n");
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let pin_new = match user_pin_new {
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None => {
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// ask user for new user pin
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util::input_pin_twice(
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"Enter new user PIN: ",
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"Repeat the new user PIN: ",
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)?
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}
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Some(path) => load_pin(&path)?,
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};
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// set new user pin
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open.change_user_pin(&user_pin1, &pin_new)
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} else {
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// set new user pin via pinpad
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open.change_user_pin_pinpad(&|| {
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println!(
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"Enter old user PIN on card reader pinpad, then new user PIN (twice)."
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)
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})
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};
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if res.is_err() {
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println!("\nFailed to change the user PIN!");
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println!("{:?}", res);
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if let Err(err) = res {
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print_gnuk_note(err, &open)?;
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}
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} else {
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println!("\nUser PIN has been set.");
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}
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}
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cli::PinCommand::SetAdmin {
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admin_pin_old,
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admin_pin_new,
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} => {
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if !pinpad_modify {
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// get current admin pin
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let admin_pin1 = util::get_pin(&mut open, admin_pin_old, ENTER_ADMIN_PIN)
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.expect("this should never be None");
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// verify pin
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open.verify_admin(&admin_pin1)?;
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println!("PIN was accepted by the card.\n");
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let pin_new = match admin_pin_new {
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None => {
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// ask user for new admin pin
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util::input_pin_twice(
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"Enter new admin PIN: ",
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"Repeat the new admin PIN: ",
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)?
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}
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Some(path) => load_pin(&path)?,
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};
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// set new admin pin
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open.change_admin_pin(&admin_pin1, &pin_new)?;
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} else {
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// set new admin pin via pinpad
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open.change_admin_pin_pinpad(&|| {
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println!(
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"Enter old admin PIN on card reader pinpad, then new admin PIN (twice)."
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)
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})?;
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};
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println!("\nAdmin PIN has been set.");
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}
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cli::PinCommand::ResetUser {
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admin_pin,
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user_pin_new,
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} => {
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// verify admin pin
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match util::get_pin(&mut open, admin_pin, ENTER_ADMIN_PIN) {
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Some(admin_pin) => {
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// verify pin
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open.verify_admin(&admin_pin)?;
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}
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None => {
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open.verify_admin_pinpad(&|| println!("Enter admin PIN on pinpad."))?;
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}
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}
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println!("PIN was accepted by the card.\n");
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// ask user for new user pin
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let pin = match user_pin_new {
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None => util::input_pin_twice(
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"Enter new user PIN: ",
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"Repeat the new user PIN: ",
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)?,
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Some(path) => load_pin(&path)?,
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};
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let res = if let Some(mut admin) = open.admin_card() {
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admin.reset_user_pin(&pin)
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} else {
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return Err(anyhow::anyhow!("Failed to use card in admin-mode.").into());
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};
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if res.is_err() {
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println!("\nFailed to change the user PIN!");
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if let Err(err) = res {
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print_gnuk_note(err, &open)?;
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}
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} else {
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println!("\nUser PIN has been set.");
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}
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}
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cli::PinCommand::SetReset {
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admin_pin,
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reset_code,
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} => {
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// verify admin pin
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match util::get_pin(&mut open, admin_pin, ENTER_ADMIN_PIN) {
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Some(admin_pin) => {
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// verify pin
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open.verify_admin(&admin_pin)?;
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}
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None => {
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open.verify_admin_pinpad(&|| println!("Enter admin PIN on pinpad."))?;
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}
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}
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println!("PIN was accepted by the card.\n");
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// ask user for new resetting code
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let code = match reset_code {
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None => util::input_pin_twice(
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"Enter new resetting code: ",
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"Repeat the new resetting code: ",
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)?,
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Some(path) => load_pin(&path)?,
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};
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if let Some(mut admin) = open.admin_card() {
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admin.set_resetting_code(&code)?;
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println!("\nResetting code has been set.");
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} else {
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return Err(anyhow::anyhow!("Failed to use card in admin-mode.").into());
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};
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}
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cli::PinCommand::ResetUserRc {
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reset_code,
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user_pin_new,
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} => {
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// reset by presenting resetting code
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let rst = if let Some(path) = reset_code {
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// load resetting code from file
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load_pin(&path)?
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} else {
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// input resetting code
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rpassword::read_password_from_tty(Some("Enter resetting code: "))?
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.as_bytes()
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.to_vec()
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};
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// ask user for new user pin
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let pin = match user_pin_new {
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None => util::input_pin_twice(
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"Enter new user PIN: ",
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"Repeat the new user PIN: ",
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)?,
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Some(path) => load_pin(&path)?,
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};
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// reset to new user pin
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match open.reset_user_pin(&rst, &pin) {
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Err(err) => {
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println!("\nFailed to change the user PIN!");
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print_gnuk_note(err, &open)?;
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}
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Ok(_) => println!("\nUser PIN has been set."),
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}
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}
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}
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}
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}
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Ok(())
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}
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fn list_cards() -> Result<()> {
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let cards = util::cards()?;
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if !cards.is_empty() {
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for mut card in cards {
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let mut pgp = OpenPgp::new(&mut card);
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let open = Open::new(pgp.transaction()?)?;
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println!(" {}", open.application_identifier()?.ident());
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}
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} else {
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println!("No OpenPGP cards found.");
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}
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Ok(())
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}
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fn set_identity(ident: &str, id: u8) -> Result<(), Box<dyn std::error::Error>> {
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let mut card = util::open_card(ident)?;
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let mut pgp = OpenPgp::new(&mut card);
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let mut pgpt = pgp.transaction()?;
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pgpt.set_identity(id)?;
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Ok(())
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}
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/// Return a card for a read operation. If `ident` is None, and exactly one card
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/// is plugged in, that card is returned. (We don't This
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fn pick_card_for_reading(ident: Option<String>) -> Result<Box<dyn CardBackend + Send + Sync>> {
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if let Some(ident) = ident {
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Ok(Box::new(util::open_card(&ident)?))
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} else {
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let mut cards = util::cards()?;
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if cards.len() == 1 {
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Ok(Box::new(cards.pop().unwrap()))
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} else if cards.is_empty() {
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return Err(anyhow::anyhow!("No cards found"));
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} else {
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println!("Found {} cards:", cards.len());
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list_cards()?;
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println!();
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println!("Specify which card to use with '--card <card ident>'");
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println!();
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return Err(anyhow::anyhow!("Specify card"));
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}
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}
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}
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fn print_status(ident: Option<String>, verbose: bool) -> Result<()> {
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let mut card = pick_card_for_reading(ident)?;
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let mut pgp = OpenPgp::new(&mut *card);
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let mut open = Open::new(pgp.transaction()?)?;
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print!("OpenPGP card {}", open.application_identifier()?.ident());
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let ai = open.application_identifier()?;
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let version = ai.version().to_be_bytes();
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println!(" (card version {}.{})\n", version[0], version[1]);
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// card / cardholder metadata
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let crd = open.cardholder_related_data()?;
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if let Some(name) = crd.name() {
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let name = String::from_utf8_lossy(name).to_string();
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print!("Cardholder: ");
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// This field is silly, maybe ignore it?!
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if let Some(sex) = crd.sex() {
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if sex == Sex::Male {
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print!("Mr. ");
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} else if sex == Sex::Female {
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print!("Mrs. ");
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}
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}
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// re-format name ("last<<first")
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let name: Vec<_> = name.split("<<").collect();
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let name = name.iter().cloned().rev().collect::<Vec<_>>().join(" ");
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println!("{}", name);
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}
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let url = open.url()?;
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if !url.is_empty() {
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println!("URL: {}", url);
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}
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if let Some(lang) = crd.lang() {
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let l = lang
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.iter()
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.map(|l| format!("{}", l))
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.collect::<Vec<_>>()
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.join(", ");
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println!("Language preferences: '{}'", l);
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}
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// information about subkeys
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let fps = open.fingerprints()?;
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let kgt = open.key_generation_times()?;
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println!();
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println!("Signature key");
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if let Some(fp) = fps.signature() {
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println!(" fingerprint: {}", fp.to_spaced_hex());
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}
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if let Some(kgt) = kgt.signature() {
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println! {" created: {}", kgt.formatted()};
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}
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println! {" algorithm: {}", open.algorithm_attributes(KeyType::Signing)?};
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if verbose {
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if let Ok(pkm) = open.public_key(KeyType::Signing) {
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println! {" public key material: {}", pkm};
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}
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}
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println!();
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println!("Decryption key");
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if let Some(fp) = fps.decryption() {
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println!(" fingerprint: {}", fp.to_spaced_hex());
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}
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if let Some(kgt) = kgt.decryption() {
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println! {" created: {}", kgt.formatted()};
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}
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println! {" algorithm: {}", open.algorithm_attributes(KeyType::Decryption)?};
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if verbose {
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if let Ok(pkm) = open.public_key(KeyType::Decryption) {
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println! {" public key material: {}", pkm};
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}
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}
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println!();
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println!("Authentication key");
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if let Some(fp) = fps.authentication() {
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println!(" fingerprint: {}", fp.to_spaced_hex());
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}
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if let Some(kgt) = kgt.authentication() {
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println! {" created: {}", kgt.formatted()};
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}
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println! {" algorithm: {}", open.algorithm_attributes(KeyType::Authentication)?};
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if verbose {
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if let Ok(pkm) = open.public_key(KeyType::Authentication) {
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println! {" public key material: {}", pkm};
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}
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}
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// technical details about the card and its state
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println!();
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let sst = open.security_support_template()?;
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println!("Signature counter: {}", sst.signature_count());
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let pws = open.pw_status_bytes()?;
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println!(
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"Signature pin only valid once: {}",
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pws.pw1_cds_valid_once()
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);
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println!("Password validation retry count:");
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println!(
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" user pw: {}, reset: {}, admin pw: {}",
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pws.err_count_pw1(),
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pws.err_count_rc(),
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pws.err_count_pw3(),
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);
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// FIXME: print "Login Data", "Key Information"
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Ok(())
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}
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/// print metadata information about a card
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fn print_info(ident: Option<String>) -> Result<()> {
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let mut card = pick_card_for_reading(ident)?;
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let mut pgp = OpenPgp::new(&mut *card);
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let mut open = Open::new(pgp.transaction()?)?;
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let ai = open.application_identifier()?;
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print!("OpenPGP card {}", ai.ident());
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let version = ai.version().to_be_bytes();
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println!(" (card version {}.{})\n", version[0], version[1]);
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|
|
println!("Application Identifier: {}", ai);
|
|
println!(
|
|
"Manufacturer [{:04X}]: {}\n",
|
|
ai.manufacturer(),
|
|
ai.manufacturer_name()
|
|
);
|
|
|
|
if let Some(cc) = open.historical_bytes()?.card_capabilities() {
|
|
println!("Card Capabilities:\n{}", cc);
|
|
}
|
|
if let Some(csd) = open.historical_bytes()?.card_service_data() {
|
|
println!("Card service data:\n{}", csd);
|
|
}
|
|
|
|
if let Some(eli) = open.extended_length_information()? {
|
|
println!("Extended Length Info:\n{}", eli);
|
|
}
|
|
|
|
let ec = open.extended_capabilities()?;
|
|
println!("Extended Capabilities:\n{}", ec);
|
|
|
|
// Algorithm information (list of supported algorithms)
|
|
if let Ok(Some(ai)) = open.algorithm_information() {
|
|
println!("Supported algorithms:");
|
|
println!("{}", ai);
|
|
}
|
|
|
|
// FIXME: print KDF info
|
|
|
|
// YubiKey specific (?) firmware version
|
|
if let Ok(ver) = open.firmware_version() {
|
|
let ver = ver.iter().map(u8::to_string).collect::<Vec<_>>().join(".");
|
|
|
|
println!("Firmware Version: {}\n", ver);
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn print_ssh(ident: Option<String>) -> Result<()> {
|
|
let mut card = pick_card_for_reading(ident)?;
|
|
|
|
let mut pgp = OpenPgp::new(&mut *card);
|
|
let mut open = Open::new(pgp.transaction()?)?;
|
|
|
|
let ident = open.application_identifier()?.ident();
|
|
|
|
println!("OpenPGP card {}", ident);
|
|
|
|
// Print fingerprint of authentication subkey
|
|
let fps = open.fingerprints()?;
|
|
|
|
println!();
|
|
if let Some(fp) = fps.authentication() {
|
|
println!("Authentication key fingerprint:\n{}", fp);
|
|
}
|
|
|
|
// Show authentication subkey as openssh public key string
|
|
if let Ok(pkm) = open.public_key(KeyType::Authentication) {
|
|
if let Ok(ssh) = util::get_ssh_pubkey_string(&pkm, ident) {
|
|
println!();
|
|
println!("Authentication key as ssh public key:\n{}", ssh);
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn print_pubkey(ident: Option<String>, user_pin: Option<PathBuf>) -> Result<()> {
|
|
let mut card = pick_card_for_reading(ident)?;
|
|
|
|
let mut pgp = OpenPgp::new(&mut *card);
|
|
let mut open = Open::new(pgp.transaction()?)?;
|
|
|
|
let ident = open.application_identifier()?.ident();
|
|
|
|
println!("OpenPGP card {}", ident);
|
|
|
|
let user_pin = util::get_pin(&mut open, user_pin, ENTER_USER_PIN);
|
|
|
|
let pkm = open.public_key(KeyType::Signing)?;
|
|
let times = open.key_generation_times()?;
|
|
let fps = open.fingerprints()?;
|
|
|
|
let key_sig = public_key_material_and_fp_to_key(
|
|
&pkm,
|
|
KeyType::Signing,
|
|
times.signature().expect("Signature time is unset"),
|
|
fps.signature().expect("Signature fingerprint is unset"),
|
|
)?;
|
|
|
|
let mut key_dec = None;
|
|
if let Ok(pkm) = open.public_key(KeyType::Decryption) {
|
|
if let Some(ts) = times.decryption() {
|
|
key_dec = Some(public_key_material_and_fp_to_key(
|
|
&pkm,
|
|
KeyType::Decryption,
|
|
ts,
|
|
fps.decryption().expect("Decryption fingerprint is unset"),
|
|
)?);
|
|
}
|
|
}
|
|
|
|
let mut key_aut = None;
|
|
if let Ok(pkm) = open.public_key(KeyType::Authentication) {
|
|
if let Some(ts) = times.authentication() {
|
|
key_aut = Some(public_key_material_and_fp_to_key(
|
|
&pkm,
|
|
KeyType::Authentication,
|
|
ts,
|
|
fps.authentication()
|
|
.expect("Authentication fingerprint is unset"),
|
|
)?);
|
|
}
|
|
}
|
|
|
|
let cert = get_cert(
|
|
&mut open,
|
|
key_sig,
|
|
key_dec,
|
|
key_aut,
|
|
user_pin.as_deref(),
|
|
&|| println!("Enter user PIN on card reader pinpad."),
|
|
)?;
|
|
|
|
let armored = String::from_utf8(cert.armored().to_vec()?)?;
|
|
println!("{}", armored);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn decrypt(
|
|
ident: &str,
|
|
pin_file: Option<PathBuf>,
|
|
cert_file: &Path,
|
|
input: Option<&Path>,
|
|
) -> Result<(), Box<dyn std::error::Error>> {
|
|
let p = StandardPolicy::new();
|
|
let cert = Cert::from_file(cert_file)?;
|
|
|
|
let input = util::open_or_stdin(input)?;
|
|
|
|
let mut card = util::open_card(ident)?;
|
|
let mut pgp = OpenPgp::new(&mut card);
|
|
|
|
let mut open = Open::new(pgp.transaction()?)?;
|
|
|
|
let user_pin = util::get_pin(&mut open, pin_file, ENTER_USER_PIN);
|
|
|
|
let mut user = util::verify_to_user(&mut open, user_pin.as_deref())?;
|
|
let d = user.decryptor(&cert)?;
|
|
|
|
let db = DecryptorBuilder::from_reader(input)?;
|
|
let mut decryptor = db.with_policy(&p, None, d)?;
|
|
|
|
std::io::copy(&mut decryptor, &mut std::io::stdout())?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn sign_detached(
|
|
ident: &str,
|
|
pin_file: Option<PathBuf>,
|
|
cert_file: &Path,
|
|
input: Option<&Path>,
|
|
) -> Result<(), Box<dyn std::error::Error>> {
|
|
let cert = Cert::from_file(cert_file)?;
|
|
|
|
let mut input = util::open_or_stdin(input)?;
|
|
|
|
let mut card = util::open_card(ident)?;
|
|
let mut pgp = OpenPgp::new(&mut card);
|
|
|
|
let mut open = Open::new(pgp.transaction()?)?;
|
|
|
|
let user_pin = util::get_pin(&mut open, pin_file, ENTER_USER_PIN);
|
|
|
|
let mut sign = util::verify_to_sign(&mut open, user_pin.as_deref())?;
|
|
let s = sign.signer(&cert)?;
|
|
|
|
let message = Armorer::new(Message::new(std::io::stdout())).build()?;
|
|
let mut signer = Signer::new(message, s).detached().build()?;
|
|
|
|
std::io::copy(&mut input, &mut signer)?;
|
|
signer.finalize()?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn factory_reset(ident: &str) -> Result<()> {
|
|
println!("Resetting Card {}", ident);
|
|
let mut card = util::open_card(ident)?;
|
|
let mut pgp = OpenPgp::new(&mut card);
|
|
|
|
let mut open = Open::new(pgp.transaction()?)?;
|
|
open.factory_reset().map_err(|e| anyhow!(e))
|
|
}
|
|
|
|
fn key_import_yolo(mut admin: Admin, key: &Cert) -> Result<()> {
|
|
let p = StandardPolicy::new();
|
|
|
|
let sig = sq_util::subkey_by_type(key, &p, KeyType::Signing)?;
|
|
|
|
let dec = sq_util::subkey_by_type(key, &p, KeyType::Decryption)?;
|
|
|
|
let auth = sq_util::subkey_by_type(key, &p, KeyType::Authentication)?;
|
|
|
|
if let Some(sig) = sig {
|
|
println!("Uploading {} as signing key", sig.fingerprint());
|
|
admin.upload_key(sig, KeyType::Signing, None)?;
|
|
}
|
|
if let Some(dec) = dec {
|
|
println!("Uploading {} as decryption key", dec.fingerprint());
|
|
admin.upload_key(dec, KeyType::Decryption, None)?;
|
|
}
|
|
if let Some(auth) = auth {
|
|
println!("Uploading {} as authentication key", auth.fingerprint());
|
|
admin.upload_key(auth, KeyType::Authentication, None)?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn key_import_explicit(
|
|
mut admin: Admin,
|
|
key: &Cert,
|
|
sig_fp: Option<String>,
|
|
dec_fp: Option<String>,
|
|
auth_fp: Option<String>,
|
|
) -> Result<()> {
|
|
let p = StandardPolicy::new();
|
|
|
|
if let Some(sig_fp) = sig_fp {
|
|
if let Some(sig) = sq_util::private_subkey_by_fingerprint(key, &p, &sig_fp)? {
|
|
println!("Uploading {} as signing key", sig.fingerprint());
|
|
admin.upload_key(sig, KeyType::Signing, None)?;
|
|
} else {
|
|
println!("ERROR: Couldn't find {} as signing key", sig_fp);
|
|
}
|
|
}
|
|
|
|
if let Some(dec_fp) = dec_fp {
|
|
if let Some(dec) = sq_util::private_subkey_by_fingerprint(key, &p, &dec_fp)? {
|
|
println!("Uploading {} as decryption key", dec.fingerprint());
|
|
admin.upload_key(dec, KeyType::Decryption, None)?;
|
|
} else {
|
|
println!("ERROR: Couldn't find {} as decryption key", dec_fp);
|
|
}
|
|
}
|
|
|
|
if let Some(auth_fp) = auth_fp {
|
|
if let Some(auth) = sq_util::private_subkey_by_fingerprint(key, &p, &auth_fp)? {
|
|
println!("Uploading {} as authentication key", auth.fingerprint());
|
|
admin.upload_key(auth, KeyType::Authentication, None)?;
|
|
} else {
|
|
println!("ERROR: Couldn't find {} as authentication key", auth_fp);
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn get_cert(
|
|
open: &mut Open,
|
|
key_sig: PublicKey,
|
|
key_dec: Option<PublicKey>,
|
|
key_aut: Option<PublicKey>,
|
|
user_pin: Option<&[u8]>,
|
|
prompt: &dyn Fn(),
|
|
) -> Result<Cert> {
|
|
if user_pin.is_none() && open.feature_pinpad_verify() {
|
|
println!(
|
|
"The public cert will now be generated.\n\n\
|
|
You will need to enter your user PIN multiple times during this process.\n\n"
|
|
);
|
|
}
|
|
|
|
make_cert(open, key_sig, key_dec, key_aut, user_pin, prompt)
|
|
}
|
|
|
|
fn generate_keys(
|
|
mut open: Open,
|
|
admin_pin: Option<&[u8]>,
|
|
user_pin: Option<&[u8]>,
|
|
output: Option<PathBuf>,
|
|
decrypt: bool,
|
|
auth: bool,
|
|
algo: Option<String>,
|
|
) -> Result<()> {
|
|
// 1) Interpret the user's choice of algorithm.
|
|
//
|
|
// Unset (None) means that the algorithm that is specified on the card
|
|
// should remain unchanged.
|
|
//
|
|
// For RSA, different cards use different exact algorithm
|
|
// specifications. In particular, the length of the value `e` differs
|
|
// between cards. Some devices use 32 bit length for e, others use 17 bit.
|
|
// In some cases, it's possible to get this information from the card,
|
|
// but I believe this information is not obtainable in all cases.
|
|
// Because of this, for generation of RSA keys, here we take the approach
|
|
// of first trying one variant, and then if that fails, try the other.
|
|
|
|
let a = match algo.as_deref() {
|
|
None => None,
|
|
Some("rsa2048") => Some(AlgoSimple::RSA2k),
|
|
Some("rsa3072") => Some(AlgoSimple::RSA3k),
|
|
Some("rsa4096") => Some(AlgoSimple::RSA4k),
|
|
Some("nistp256") => Some(AlgoSimple::NIST256),
|
|
Some("nistp384") => Some(AlgoSimple::NIST384),
|
|
Some("nistp521") => Some(AlgoSimple::NIST521),
|
|
Some("25519") => Some(AlgoSimple::Curve25519),
|
|
_ => return Err(anyhow!("Unexpected algorithm")),
|
|
};
|
|
|
|
log::info!(" Key generation will be attempted with algo: {:?}", a);
|
|
|
|
// 2) Then, generate keys on the card.
|
|
// We need "admin" access to the card for this).
|
|
let (key_sig, key_dec, key_aut) = {
|
|
if let Ok(mut admin) = util::verify_to_admin(&mut open, admin_pin) {
|
|
gen_subkeys(&mut admin, decrypt, auth, a)?
|
|
} else {
|
|
return Err(anyhow!("Failed to open card in admin mode."));
|
|
}
|
|
};
|
|
|
|
// 3) Generate a Cert from the generated keys. For this, we
|
|
// need "signing" access to the card (to make binding signatures within
|
|
// the Cert).
|
|
let cert = get_cert(&mut open, key_sig, key_dec, key_aut, user_pin, &|| {
|
|
println!("Enter user PIN on card reader pinpad.")
|
|
})?;
|
|
|
|
let armored = String::from_utf8(cert.armored().to_vec()?)?;
|
|
|
|
// Write armored certificate to the output file (or stdout)
|
|
let mut output = util::open_or_stdout(output.as_deref())?;
|
|
output.write_all(armored.as_bytes())?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn gen_subkeys(
|
|
admin: &mut Admin,
|
|
decrypt: bool,
|
|
auth: bool,
|
|
algo: Option<AlgoSimple>,
|
|
) -> Result<(PublicKey, Option<PublicKey>, Option<PublicKey>)> {
|
|
// We begin by generating the signing subkey, which is mandatory.
|
|
println!(" Generate subkey for Signing");
|
|
let (pkm, ts) = admin.generate_key_simple(KeyType::Signing, algo)?;
|
|
let key_sig = public_key_material_to_key(&pkm, KeyType::Signing, &ts, None, None)?;
|
|
|
|
// make decryption subkey (unless disabled), with the same algorithm as
|
|
// the sig key
|
|
let key_dec = if decrypt {
|
|
println!(" Generate subkey for Decryption");
|
|
let (pkm, ts) = admin.generate_key_simple(KeyType::Decryption, algo)?;
|
|
Some(public_key_material_to_key(
|
|
&pkm,
|
|
KeyType::Decryption,
|
|
&ts,
|
|
Some(HashAlgorithm::SHA256), // FIXME
|
|
Some(SymmetricAlgorithm::AES128), // FIXME
|
|
)?)
|
|
} else {
|
|
None
|
|
};
|
|
|
|
// make authentication subkey (unless disabled), with the same
|
|
// algorithm as the sig key
|
|
let key_aut = if auth {
|
|
println!(" Generate subkey for Authentication");
|
|
let (pkm, ts) = admin.generate_key_simple(KeyType::Authentication, algo)?;
|
|
|
|
Some(public_key_material_to_key(
|
|
&pkm,
|
|
KeyType::Authentication,
|
|
&ts,
|
|
None,
|
|
None,
|
|
)?)
|
|
} else {
|
|
None
|
|
};
|
|
|
|
Ok((key_sig, key_dec, key_aut))
|
|
}
|