156 lines
3.5 KiB
Markdown
156 lines
3.5 KiB
Markdown
<!--
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SPDX-FileCopyrightText: 2021 Heiko Schaefer <heiko@schaefer.name>
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SPDX-License-Identifier: MIT OR Apache-2.0
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-->
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# OpenPGP card tools
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This crate contains two tools for inspecting, configuring and using OpenPGP
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cards: `opgpcard` and `opgpcard-pin`.
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# Install
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One easy way to install this crate is via the "cargo" tool.
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The following build dependencies are needed for current Debian:
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```
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# apt install rustc cargo clang pkg-config nettle-dev libpcsclite-dev
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```
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And for current Fedora:
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```
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# dnf install rustc cargo clang nettle-devel pcsc-lite-devel
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```
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Afterwards, you can install this crate by running:
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```
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$ cargo install openpgp-card-tools
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```
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## opgpcard
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A tool to inspect, configure and use OpenPGP cards. All calls of this tool
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are non-interactive (this tool is designed to be easily usable from
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shell-scripts).
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### List and inspect cards
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List idents of all currently connected cards:
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```
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$ opgpcard list
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```
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Print status information about a card. The card is implicitly selected.
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However, this only works if exactly one card is connected:
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```
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$ opgpcard status
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```
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Explicitly print the status information for a specific card:
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```
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$ opgpcard status -c ABCD:12345678
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```
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Add `-v` for more verbose card status, including the list of supported
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algorithms of the card:
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```
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$ opgpcard status -c ABCD:12345678 -v
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```
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### Import keys
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Import private key onto a card. This works if at most one (sub)key
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per role (sign, decrypt, auth) exists in `key.priv`:
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```
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$ opgpcard admin -c ABCD:12345678 -p <pin-file> import key.priv
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```
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Import private key onto a card while explicitly selecting subkeys.
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Explicitly specified fingerprints are necessary if more than one subkey
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exists in `key.priv` for any role (note: spaces in fingerprints are
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ignored).
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```
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$ opgpcard admin -c ABCD:12345678 -p <pin-file> import key.priv \
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--sig-fp "F290 DBBF 21DB 8634 3C96 157B 87BE 15B7 F548 D97C" \
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--dec-fp "3C6E 08F6 7613 8935 8B8D 7666 73C7 F1A9 EEDA C360" \
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--auth-fp "D6AA 48EF 39A2 6F26 C42D 5BCB AAD2 14D5 5332 C838"
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```
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When fingerprints are only specified for a subset of the roles, no
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keys will be imported for the other roles.
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### Generate Keys on the card
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```
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$ opgpcard admin -c ABCD:12345678 -p <admin-pin-file> generate --user-pin-file <user-pin-file> -o <output-file> 25519
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```
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### Set card metadata
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Set cardholder name:
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```
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$ opgpcard admin -c ABCD:12345678 -p <pin-file> name "Bar<<Foo"
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```
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Set cardholder URL:
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```
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$ opgpcard admin -c ABCD:12345678 -p <pin-file> url "https://keyurl.example"
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```
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### Signing
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For now, this tool only supports creating detached signatures, like this
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(if no input file is set, stdin is read):
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```
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$ opgpcard sign --detached -c ABCD:12345678 -p <pin-file> -s <cert-file> <input-file>
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```
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### Decrypting
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Decryption using a card (if no input file is set, stdin is read):
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```
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$ opgpcard decrypt -c ABCD:12345678 -p <pin-file> -r <cert-file> <input-file>
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```
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### Factory reset
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Factory reset:
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```
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$ opgpcard factory-reset -c ABCD:12345678
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```
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## opgpcard-pin
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An interactive tool to set the admin and user PINs, and to reset the user
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PIN on OpenPGP cards.
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Set the user PIN (requires admin PIN):
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```
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opgpcard-pin -c ABCD:12345678 set-user-pin
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```
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Set new admin PIN (requires admin PIN):
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```
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opgpcard-pin -c ABCD:12345678 set-admin-pin
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```
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Reset user PIN after it has been blocked (requires admin PIN):
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```
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opgpcard-pin -c ABCD:12345678 reset-user-pin -a
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```
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Set resetting code (requires admin PIN):
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```
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opgpcard-pin -c ABCD:12345678 set-reset-code
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```
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Reset user PIN (requires resetting code):
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```
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opgpcard-pin -c ABCD:12345678 reset-user-pin
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```
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