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//! [YubiKey] PIV: [Personal Identity Verification][PIV] support for //! [Yubico] devices using the Personal Computer/Smart Card ([PC/SC]) //! interface as provided by the [`pcsc` crate]. //! //! **PIV** is a [NIST] standard for both *signing* and *encryption* //! using SmartCards and SmartCard-based hardware tokens like YubiKeys. //! //! This library natively implements the protocol used to manage and //! utilize PIV encryption and signing keys which can be generated, imported, //! and stored on YubiKey devices. //! //! See [Yubico's guide to PIV-enabled YubiKeys][yk-guide] for more information //! on which devices support PIV and the available functionality. //! //! ## Minimum Supported Rust Version //! //! Rust 1.44+ //! //! ## Supported YubiKeys //! //! - [YubiKey 4] series //! - [YubiKey 5] series //! //! NOTE: Nano and USB-C variants of the above are also supported. //! Pre-YK4 [YubiKey NEO] series is **NOT** supported. //! //! ## Supported Algorithms //! //! - **Authentication**: `3DES` //! - **Encryption**: `RSA1024`, `RSA2048`, `ECCP256`, `ECCP384` //! - **Signatures**: //! - RSASSA-PKCS#1v1.5: `RSA1024`, `RSA2048` //! - ECDSA: `ECCP256`, `ECCP384` //! //! NOTE: RSASSA-PSS signatures and RSA-OAEP encryption may be supportable (TBD) //! //! ## Status //! //! This is a work-in-progress effort, and while much of the library-level //! code from upstream [yubico-piv-tool] has been translated into Rust //! presenting a safe interface, much of it is still untested. //! //! Please see the [project's README.md for a complete status][status]. //! //! ## History //! //! This library is a Rust translation of the [yubico-piv-tool] utility by //! Yubico, which was originally written in C. It was mechanically translated //! from C into Rust using [Corrode], and then subsequently heavily //! refactored into safer, more idiomatic Rust. //! //! For more information on [yubico-piv-tool] and background information on how //! the YubiKey implementation of PIV works in general, see the //! [Yubico PIV Tool Command Line Guide][piv-tool-guide]. //! //! ## Security Warning //! //! No security audits of this crate have ever been performed. Presently it is in //! an experimental stage and may still contain high-severity issues. //! //! USE AT YOUR OWN RISK! //! //! ## Code of Conduct //! //! We abide by the [Contributor Covenant][cc-md] and ask that you do as well. //! //! For more information, please see [CODE_OF_CONDUCT.md][cc-md]. //! //! ## License //! //! **yubikey-piv.rs** is a fork of and originally a mechanical translation from //! Yubico's [yubico-piv-tool], a C library/CLI program. The original library //! was licensed under a [2-Clause BSD License][BSDL], which this library inherits //! as a derived work. //! //! [YubiKey]: https://www.yubico.com/products/yubikey-hardware/ //! [PIV]: https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-73-4.pdf //! [Yubico]: https://www.yubico.com/ //! [PC/SC]: https://en.wikipedia.org/wiki/PC/SC //! [`pcsc` crate]: https://github.com/bluetech/pcsc-rust //! [NIST]: https://www.nist.gov/ //! [yk-guide]: https://developers.yubico.com/PIV/Introduction/YubiKey_and_PIV.html //! [YubiKey NEO]: https://support.yubico.com/support/solutions/articles/15000006494-yubikey-neo //! [YubiKey 4]: https://support.yubico.com/support/solutions/articles/15000006486-yubikey-4 //! [YubiKey 5]: https://www.yubico.com/products/yubikey-5-overview/ //! [status]: https://github.com/iqlusioninc/yubikey-piv.rs#status //! [yubico-piv-tool]: https://github.com/Yubico/yubico-piv-tool/ //! [Corrode]: https://github.com/jameysharp/corrode //! [piv-tool-guide]: https://www.yubico.com/wp-content/uploads/2016/05/Yubico_PIV_Tool_Command_Line_Guide_en.pdf //! [cc-web]: https://contributor-covenant.org/ //! [cc-md]: https://github.com/iqlusioninc/yubikey-piv.rs/blob/main/CODE_OF_CONDUCT.md //! [BSDL]: https://opensource.org/licenses/BSD-2-Clause // Adapted from yubico-piv-tool: // <https://github.com/Yubico/yubico-piv-tool/> // // Copyright (c) 2014-2016 Yubico AB // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #![doc( html_logo_url = "https://raw.githubusercontent.com/iqlusioninc/yubikey-piv.rs/main/img/logo.png", html_root_url = "https://docs.rs/yubikey-piv/0.3.0" )] #![forbid(unsafe_code)] #![warn( missing_docs, rust_2018_idioms, trivial_casts, trivial_numeric_casts, unused_lifetimes, unused_qualifications )] mod apdu; pub mod cccid; pub mod certificate; pub mod chuid; pub mod config; pub mod error; pub mod key; mod metadata; pub mod mgm; #[cfg(feature = "untested")] pub mod mscmap; #[cfg(feature = "untested")] pub mod msroots; pub mod policy; pub mod readers; mod serialization; pub mod settings; mod transaction; pub mod yubikey; pub use self::{ error::Error, key::Key, mgm::MgmKey, readers::Readers, yubikey::{Serial, YubiKey}, }; /// Object identifiers pub type ObjectId = u32; /// Buffer type (self-zeroizing byte vector) pub(crate) type Buffer = zeroize::Zeroizing<Vec<u8>>; /// YubiKey max buffer size pub(crate) const CB_BUF_MAX: usize = 3072; /// YubiKey max object size pub(crate) const CB_OBJ_MAX: usize = CB_BUF_MAX - 9; pub(crate) const CB_OBJ_TAG_MIN: usize = 2; // 1 byte tag + 1 byte len #[cfg(feature = "untested")] pub(crate) const CB_OBJ_TAG_MAX: usize = CB_OBJ_TAG_MIN + 2; // 1 byte tag + 3 bytes len pub(crate) const TAG_ADMIN_FLAGS_1: u8 = 0x81; pub(crate) const TAG_ADMIN_SALT: u8 = 0x82; pub(crate) const TAG_ADMIN_TIMESTAMP: u8 = 0x83; pub(crate) const TAG_PROTECTED_FLAGS_1: u8 = 0x81; pub(crate) const TAG_PROTECTED_MGM: u8 = 0x89; /// PIV Applet ID pub(crate) const PIV_AID: [u8; 5] = [0xa0, 0x00, 0x00, 0x03, 0x08]; /// MGMT Applet ID. /// <https://developers.yubico.com/PIV/Introduction/Admin_access.html> #[cfg(feature = "untested")] pub(crate) const MGMT_AID: [u8; 8] = [0xa0, 0x00, 0x00, 0x05, 0x27, 0x47, 0x11, 0x17]; /// YubiKey OTP Applet ID. Needed to query serial on YK4. pub(crate) const YK_AID: [u8; 8] = [0xa0, 0x00, 0x00, 0x05, 0x27, 0x20, 0x01, 0x01];