46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
// SPDX-FileCopyrightText: 2021 Wiktor Kwapisiewicz <wiktor@metacode.biz>
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// SPDX-License-Identifier: MIT OR Apache-2.0
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use openpgp_card_pcsc::PcscBackend;
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use openpgp_card_sequoia::{state::Open, Card};
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use sequoia_openpgp::serialize::stream::{Armorer, Message, Signer};
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let args = std::env::args().collect::<Vec<_>>();
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if args.len() < 2 {
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eprintln!("Usage: detach-sign card-ident pin-file");
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return Ok(());
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}
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let card_ident = &args[0];
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let pin_file = &args[1];
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let backend = PcscBackend::open_by_ident(card_ident, None)?;
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let mut card: Card<Open> = backend.into();
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let mut transaction = card.transaction()?;
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let pin = std::fs::read(pin_file)?;
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transaction.verify_user_for_signing(&pin)?;
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let mut sign = transaction.signing_card().unwrap();
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let s = sign.signer(&|| println!("Touch confirmation needed for signing"))?;
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let stdout = std::io::stdout();
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let message = Message::new(stdout);
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let message = Armorer::new(message).build()?;
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let signer = Signer::new(message, s);
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let mut signer = signer.detached().build()?;
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std::io::copy(&mut std::io::stdin(), &mut signer)?;
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signer.finalize()?;
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Ok(())
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}
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