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chore: checkpoint before Python removal

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Sienna Meridian Satterwhite
2026-03-26 22:33:59 +00:00
parent 683cec9307
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29972 changed files with 11269302 additions and 2 deletions
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{"files":{".cargo_vcs_info.json":"82c7ed8869541a545303980134db8ad561f006464a9b3979e772bad792e33736","CHANGELOG.md":"119ebe6bab78b405f61bfd4068a65090d1b641b1971d54aed6286f0f2b81fffc","Cargo.toml":"c2ce81d32a2e9586591d313c324e83bd3822ba13736fdd5209f06da1ac27bd5e","Cargo.toml.orig":"04051d211d663e4a694cad0495f565c218049157d6b44a8e2d167b3e7fd49afb","LICENSE-APACHE":"a9040321c3712d8fd0b09cf52b17445de04a23a10165049ae187cd39e5c86be5","LICENSE-MIT":"c995204cc6bad2ed67dd41f7d89bb9f1a9d48e0edd745732b30640d7912089a4","README.md":"0738222d834cb56592ce68453f1ce42687497fd9576cd5a1a2cbbe1be5ad7164","src/algorithm.rs":"70a0990e4321052b98904a8b737389cb618813e5172f072022351183169690af","src/error.rs":"ce99da5f369ae830bbac6a958ee0e93c8045df5ca7b7ea306e55bb3209c1f81f","src/fingerprint.rs":"4cb6f1e1d2ca0df933636ffcae30884fe029e2d581a42477081593271a6aa49b","src/lib.rs":"3da6d5ea63f7578b5e97328604e354d6e2bf6a9002c7a24ea1b66c89e4ba8518","src/spki.rs":"cb6ef0e7723da7e9fb22f7fe691a210504f060230bfa544787de55e44fe61c3c","src/traits.rs":"dd32e84c63ea109cb01d7b776bfbf6a67d8c161aff468788cade402307cba0b0","tests/examples/ed25519-pub.der":"55dd4c74b0e48534e2f4e173ceceb50df8f27a7ac2aa8991cc7ae914e030bced","tests/examples/ed25519-pub.pem":"36d717203cbca1812f05f30e0415251c928b659882092e653221a028571c6853","tests/examples/p256-pub.der":"b9968d56ed8d6aa3fb43b15fa01e355d7a3a0203b1408b3fd2733637c4d1642c","tests/examples/p256-pub.pem":"d1ff198dc495da63f5f909db0254d6e49cff519487fcb26d055a762fc3ca47a1","tests/examples/rsa2048-pub.der":"efeda9bfead9fd0594f6a5cf6fdf6c163116a3b1fad6d73cea05295b68fd1794","tests/examples/rsa2048-pub.pem":"078c3983093e86784590a2a454547acad1d50992419334be697e442e954f02f8","tests/spki.rs":"7d7e717d4591126a1e8e8627d4a02f68dec9ad08db885281c90d6000eaa8ebf5","tests/traits.rs":"8ccaa20167d1ada765bcc938b8636b722fd3fa17c5f185e216053306a21faa7e"},"package":"d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"}

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{
"git": {
"sha1": "15ea461dc3484d48710deed932e4d3d9052c1f9b"
},
"path_in_vcs": "spki"
}

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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## 0.7.3 (2023-11-28)
### Added
- public key to `SubjectPublicKeyInfoOwned` helper ([#1269])
[#1269]: https://github.com/RustCrypto/formats/pull/1269
## 0.7.2 (2023-05-04)
### Added
- `AlgorithmIdentifierWithOid` trait ([#986])
- `SignatureBitStringEncoding` trait ([#1047])
### Changed
- Bump `hex-literal` to v0.4.1 ([#999])
[#986]: https://github.com/RustCrypto/formats/pull/986
[#999]: https://github.com/RustCrypto/formats/pull/999
[#1047]: https://github.com/RustCrypto/formats/pull/1047
## 0.7.1 (2023-04-04)
### Added
- `AssociatedAlgorithmIdentifier` trait ([#962], [#966])
- `DynAssociatedAlgorithmIdentifier` trait ([#962])
- `SignatureAlgorithmIdentifier` trait ([#967])
- `DynSignatureAlgorithmIdentifier` trait ([#967])
### Changed
- Bump `der` dependency to v0.7.2 ([#979])
[#962]: https://github.com/RustCrypto/formats/pull/962
[#966]: https://github.com/RustCrypto/formats/pull/966
[#967]: https://github.com/RustCrypto/formats/pull/967
[#979]: https://github.com/RustCrypto/formats/pull/979
## 0.7.0 (2023-02-26)
### Changed
- Make `AlgorithmIdentifier` generic around `Params` ([#769])
- Use blanket impls for `Decode*` traits ([#785])
- Make `SubjectPublicKeyInfo` own the public key ([#790])
- Rename `to_owned` method ([#835])
- Bump `der` dependency to v0.7 ([#899])
[#769]: https://github.com/RustCrypto/formats/pull/769
[#785]: https://github.com/RustCrypto/formats/pull/785
[#790]: https://github.com/RustCrypto/formats/pull/790
[#835]: https://github.com/RustCrypto/formats/pull/835
[#899]: https://github.com/RustCrypto/formats/pull/899
## 0.6.0 (2022-05-08)
### Added
- `AlgorithmIdentifier::oids()` helper function ([#443])
- Impl `PartialOrd` for `AlgorithmIdentifier` ([#476])
- Impl `DecodeValue` for `AlgorithmIdentifier` ([#449])
- Impl `ValueOrd` for `SubjectPublicKeyInfo` ([#522])
### Changed
- Replace `PublicKeyDocument` with `der` crate's `Document` type ([#571])
- Streaming fingerprint builder ([#616])
- Bump `der` crate dependency to v0.6 ([#653])
### Removed
- `PublicKeyDocument` ([#571])
[#443]: https://github.com/RustCrypto/formats/pull/443
[#449]: https://github.com/RustCrypto/formats/pull/449
[#476]: https://github.com/RustCrypto/formats/pull/476
[#522]: https://github.com/RustCrypto/formats/pull/522
[#571]: https://github.com/RustCrypto/formats/pull/571
[#616]: https://github.com/RustCrypto/formats/pull/616
[#653]: https://github.com/RustCrypto/formats/pull/653
## 0.5.4 (2022-01-05)
### Added
- `Error::KeyMalformed` variant ([#318])
[#318]: https://github.com/RustCrypto/formats/pull/318
## 0.5.3 (2021-12-19)
### Added
- Impl `ValueOrd` for `AlgorithmIdentifier` ([#289])
[#289]: https://github.com/RustCrypto/formats/pull/289
## 0.5.2 (2021-11-17)
### Changed
- Relax `base64ct` version requirement to `^1` ([#239])
[#239]: https://github.com/RustCrypto/formats/pull/239
## 0.5.1 (2021-11-17)
### Changed
- Replace `from_spki` with `TryFrom` ([#231])
[#231]: https://github.com/RustCrypto/formats/pull/231
## 0.5.0 (2021-11-15) [YANKED]
### Added
- SPKI fingerprint support ([#36])
- `PublicKeyDocument` type originally from `pkcs8` crate ([#118])
- `Error` type ([#143])
### Changed
- Rename `From/ToPublicKey` => `DecodePublicKey`/`EncodePublicKey` ([#119])
- Use `der::Document` to impl `PublicKeyDocument` ([#134])
- Rust 2021 edition upgrade; MSRV 1.56 ([#136])
- Bump `der` dependency to v0.5 ([#222])
[#36]: https://github.com/RustCrypto/formats/pull/36
[#118]: https://github.com/RustCrypto/formats/pull/118
[#119]: https://github.com/RustCrypto/formats/pull/119
[#134]: https://github.com/RustCrypto/formats/pull/134
[#136]: https://github.com/RustCrypto/formats/pull/136
[#143]: https://github.com/RustCrypto/formats/pull/143
[#222]: https://github.com/RustCrypto/formats/pull/222
## 0.4.1 (2021-09-14)
### Changed
- Moved to `formats` repo ([#2])
[#2]: https://github.com/RustCrypto/formats/pull/2
## 0.4.0 (2021-06-07)
### Added
- `AlgorithmIdentifier::assert_oids`
### Changed
- Bump `der` to v0.4
## 0.3.0 (2021-03-22)
### Changed
- Bump `der` to v0.3
### Removed
- `AlgorithmParameters` enum
## 0.2.1 (2021-02-22)
### Added
- Impl `Choice` for `AlgorithmParameters`
## 0.2.0 (2021-02-18)
### Changed
- Return `Result` from `AlgorithmIdentifier::params_*`
## 0.1.0 (2021-02-16)
- Initial release

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# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
#
# When uploading crates to the registry Cargo will automatically
# "normalize" Cargo.toml files for maximal compatibility
# with all versions of Cargo and also rewrite `path` dependencies
# to registry (e.g., crates.io) dependencies.
#
# If you are reading this file be aware that the original Cargo.toml
# will likely look very different (and much more reasonable).
# See Cargo.toml.orig for the original contents.
[package]
edition = "2021"
rust-version = "1.65"
name = "spki"
version = "0.7.3"
authors = ["RustCrypto Developers"]
description = """
X.509 Subject Public Key Info (RFC5280) describing public keys as well as their
associated AlgorithmIdentifiers (i.e. OIDs)
"""
readme = "README.md"
keywords = [
"crypto",
"x509",
]
categories = [
"cryptography",
"data-structures",
"encoding",
"no-std",
]
license = "Apache-2.0 OR MIT"
repository = "https://github.com/RustCrypto/formats/tree/master/spki"
[package.metadata.docs.rs]
all-features = true
rustdoc-args = [
"--cfg",
"docsrs",
]
[dependencies.arbitrary]
version = "1.2"
features = ["derive"]
optional = true
[dependencies.base64ct]
version = "1"
optional = true
default-features = false
[dependencies.der]
version = "0.7.2"
features = ["oid"]
[dependencies.sha2]
version = "0.10"
optional = true
default-features = false
[dev-dependencies.hex-literal]
version = "0.4"
[dev-dependencies.tempfile]
version = "3"
[features]
alloc = [
"base64ct?/alloc",
"der/alloc",
]
arbitrary = [
"std",
"dep:arbitrary",
"der/arbitrary",
]
base64 = ["dep:base64ct"]
fingerprint = ["sha2"]
pem = [
"alloc",
"der/pem",
]
std = [
"der/std",
"alloc",
]

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Copyright (c) 2021-2023 The RustCrypto Project Developers
Permission is hereby granted, free of charge, to any
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DEALINGS IN THE SOFTWARE.

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# [RustCrypto]: X.509 Subject Public Key Info (SPKI)
[![crate][crate-image]][crate-link]
[![Docs][docs-image]][docs-link]
[![Build Status][build-image]][build-link]
![Apache2/MIT licensed][license-image]
![Rust Version][rustc-image]
[![Project Chat][chat-image]][chat-link]
[X.509] Subject Public Key Info types describing public keys as well as their
associated AlgorithmIdentifiers (i.e. OIDs).
Specified in [RFC 5280 § 4.1].
[Documentation][docs-link]
## Minimum Supported Rust Version
This crate requires **Rust 1.65** at a minimum.
We may change the MSRV in the future, but it will be accompanied by a minor
version bump.
## License
Licensed under either of:
* [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)
* [MIT license](http://opensource.org/licenses/MIT)
at your option.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.
[//]: # (badges)
[crate-image]: https://buildstats.info/crate/spki
[crate-link]: https://crates.io/crates/spki
[docs-image]: https://docs.rs/spki/badge.svg
[docs-link]: https://docs.rs/spki/
[build-image]: https://github.com/RustCrypto/formats/actions/workflows/spki.yml/badge.svg
[build-link]: https://github.com/RustCrypto/formats/actions/workflows/spki.yml
[license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
[rustc-image]: https://img.shields.io/badge/rustc-1.65+-blue.svg
[chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
[chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
[//]: # (links)
[RustCrypto]: https://github.com/rustcrypto
[X.509]: https://en.wikipedia.org/wiki/X.509
[RFC 5280 § 4.1]: https://tools.ietf.org/html/rfc5280#section-4.1

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//! X.509 `AlgorithmIdentifier`
use crate::{Error, Result};
use core::cmp::Ordering;
use der::{
asn1::{AnyRef, Choice, ObjectIdentifier},
Decode, DecodeValue, DerOrd, Encode, EncodeValue, Header, Length, Reader, Sequence, ValueOrd,
Writer,
};
#[cfg(feature = "alloc")]
use der::asn1::Any;
/// X.509 `AlgorithmIdentifier` as defined in [RFC 5280 Section 4.1.1.2].
///
/// ```text
/// AlgorithmIdentifier ::= SEQUENCE {
/// algorithm OBJECT IDENTIFIER,
/// parameters ANY DEFINED BY algorithm OPTIONAL }
/// ```
///
/// [RFC 5280 Section 4.1.1.2]: https://tools.ietf.org/html/rfc5280#section-4.1.1.2
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord)]
pub struct AlgorithmIdentifier<Params> {
/// Algorithm OID, i.e. the `algorithm` field in the `AlgorithmIdentifier`
/// ASN.1 schema.
pub oid: ObjectIdentifier,
/// Algorithm `parameters`.
pub parameters: Option<Params>,
}
impl<'a, Params> DecodeValue<'a> for AlgorithmIdentifier<Params>
where
Params: Choice<'a>,
{
fn decode_value<R: Reader<'a>>(reader: &mut R, header: Header) -> der::Result<Self> {
reader.read_nested(header.length, |reader| {
Ok(Self {
oid: reader.decode()?,
parameters: reader.decode()?,
})
})
}
}
impl<Params> EncodeValue for AlgorithmIdentifier<Params>
where
Params: Encode,
{
fn value_len(&self) -> der::Result<Length> {
self.oid.encoded_len()? + self.parameters.encoded_len()?
}
fn encode_value(&self, writer: &mut impl Writer) -> der::Result<()> {
self.oid.encode(writer)?;
self.parameters.encode(writer)?;
Ok(())
}
}
impl<'a, Params> Sequence<'a> for AlgorithmIdentifier<Params> where Params: Choice<'a> + Encode {}
impl<'a, Params> TryFrom<&'a [u8]> for AlgorithmIdentifier<Params>
where
Params: Choice<'a> + Encode,
{
type Error = Error;
fn try_from(bytes: &'a [u8]) -> Result<Self> {
Ok(Self::from_der(bytes)?)
}
}
impl<Params> ValueOrd for AlgorithmIdentifier<Params>
where
Params: DerOrd,
{
fn value_cmp(&self, other: &Self) -> der::Result<Ordering> {
match self.oid.der_cmp(&other.oid)? {
Ordering::Equal => self.parameters.der_cmp(&other.parameters),
other => Ok(other),
}
}
}
/// `AlgorithmIdentifier` reference which has `AnyRef` parameters.
pub type AlgorithmIdentifierRef<'a> = AlgorithmIdentifier<AnyRef<'a>>;
/// `AlgorithmIdentifier` with `ObjectIdentifier` parameters.
pub type AlgorithmIdentifierWithOid = AlgorithmIdentifier<ObjectIdentifier>;
/// `AlgorithmIdentifier` reference which has `Any` parameters.
#[cfg(feature = "alloc")]
pub type AlgorithmIdentifierOwned = AlgorithmIdentifier<Any>;
impl<Params> AlgorithmIdentifier<Params> {
/// Assert the `algorithm` OID is an expected value.
pub fn assert_algorithm_oid(&self, expected_oid: ObjectIdentifier) -> Result<ObjectIdentifier> {
if self.oid == expected_oid {
Ok(expected_oid)
} else {
Err(Error::OidUnknown { oid: expected_oid })
}
}
}
impl<'a> AlgorithmIdentifierRef<'a> {
/// Assert `parameters` is an OID and has the expected value.
pub fn assert_parameters_oid(
&self,
expected_oid: ObjectIdentifier,
) -> Result<ObjectIdentifier> {
let actual_oid = self.parameters_oid()?;
if actual_oid == expected_oid {
Ok(actual_oid)
} else {
Err(Error::OidUnknown { oid: expected_oid })
}
}
/// Assert the values of the `algorithm` and `parameters` OIDs.
pub fn assert_oids(
&self,
algorithm: ObjectIdentifier,
parameters: ObjectIdentifier,
) -> Result<()> {
self.assert_algorithm_oid(algorithm)?;
self.assert_parameters_oid(parameters)?;
Ok(())
}
/// Get the `parameters` field as an [`AnyRef`].
///
/// Returns an error if `parameters` are `None`.
pub fn parameters_any(&self) -> Result<AnyRef<'a>> {
self.parameters.ok_or(Error::AlgorithmParametersMissing)
}
/// Get the `parameters` field as an [`ObjectIdentifier`].
///
/// Returns an error if it is absent or not an OID.
pub fn parameters_oid(&self) -> Result<ObjectIdentifier> {
Ok(ObjectIdentifier::try_from(self.parameters_any()?)?)
}
/// Convert to a pair of [`ObjectIdentifier`]s.
///
/// This method is helpful for decomposing in match statements. Note in
/// particular that `NULL` parameters are treated the same as missing
/// parameters.
///
/// Returns an error if parameters are present but not an OID.
pub fn oids(&self) -> der::Result<(ObjectIdentifier, Option<ObjectIdentifier>)> {
Ok((
self.oid,
match self.parameters {
None => None,
Some(p) => match p {
AnyRef::NULL => None,
_ => Some(p.decode_as::<ObjectIdentifier>()?),
},
},
))
}
}
#[cfg(feature = "alloc")]
mod allocating {
use super::*;
use der::referenced::*;
impl<'a> RefToOwned<'a> for AlgorithmIdentifierRef<'a> {
type Owned = AlgorithmIdentifierOwned;
fn ref_to_owned(&self) -> Self::Owned {
AlgorithmIdentifier {
oid: self.oid,
parameters: self.parameters.ref_to_owned(),
}
}
}
impl OwnedToRef for AlgorithmIdentifierOwned {
type Borrowed<'a> = AlgorithmIdentifierRef<'a>;
fn owned_to_ref(&self) -> Self::Borrowed<'_> {
AlgorithmIdentifier {
oid: self.oid,
parameters: self.parameters.owned_to_ref(),
}
}
}
}

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//! Error types
use core::fmt;
use der::asn1::ObjectIdentifier;
/// Result type with `spki` crate's [`Error`] type.
pub type Result<T> = core::result::Result<T, Error>;
#[cfg(feature = "pem")]
use der::pem;
/// Error type
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
#[non_exhaustive]
pub enum Error {
/// Algorithm parameters are missing.
AlgorithmParametersMissing,
/// ASN.1 DER-related errors.
Asn1(der::Error),
/// Malformed cryptographic key contained in a SPKI document.
///
/// This is intended for relaying errors related to the raw data contained
/// in [`SubjectPublicKeyInfo::subject_public_key`][`crate::SubjectPublicKeyInfo::subject_public_key`].
KeyMalformed,
/// Unknown algorithm OID.
OidUnknown {
/// Unrecognized OID value found in e.g. a SPKI `AlgorithmIdentifier`.
oid: ObjectIdentifier,
},
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::AlgorithmParametersMissing => {
f.write_str("AlgorithmIdentifier parameters missing")
}
Error::Asn1(err) => write!(f, "ASN.1 error: {}", err),
Error::KeyMalformed => f.write_str("SPKI cryptographic key data malformed"),
Error::OidUnknown { oid } => {
write!(f, "unknown/unsupported algorithm OID: {}", oid)
}
}
}
}
impl From<der::Error> for Error {
fn from(err: der::Error) -> Error {
if let der::ErrorKind::OidUnknown { oid } = err.kind() {
Error::OidUnknown { oid }
} else {
Error::Asn1(err)
}
}
}
#[cfg(feature = "pem")]
impl From<pem::Error> for Error {
fn from(err: pem::Error) -> Error {
der::Error::from(err).into()
}
}
#[cfg(feature = "std")]
impl std::error::Error for Error {}

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//! SPKI fingerprint support.
use der::Writer;
use sha2::{Digest, Sha256};
/// Size of a SHA-256 SPKI fingerprint in bytes.
pub(crate) const SIZE: usize = 32;
/// Raw bytes of a SPKI fingerprint i.e. SHA-256 digest of
/// `SubjectPublicKeyInfo`'s DER encoding.
///
/// See [RFC7469 § 2.1.1] for more information.
///
/// [RFC7469 § 2.1.1]: https://datatracker.ietf.org/doc/html/rfc7469#section-2.1.1
pub type FingerprintBytes = [u8; SIZE];
/// Writer newtype which accepts DER being serialized on-the-fly and computes a
/// hash of the contents.
#[derive(Clone, Default)]
pub(crate) struct Builder {
/// In-progress digest being computed from streaming DER.
digest: Sha256,
}
impl Builder {
/// Create a new fingerprint builder.
pub fn new() -> Self {
Self::default()
}
/// Finish computing a fingerprint, returning the computed digest.
pub fn finish(self) -> FingerprintBytes {
self.digest.finalize().into()
}
}
impl Writer for Builder {
fn write(&mut self, der_bytes: &[u8]) -> der::Result<()> {
self.digest.update(der_bytes);
Ok(())
}
}

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#![no_std]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![doc = include_str!("../README.md")]
#![doc(
html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg",
html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg"
)]
#![forbid(unsafe_code)]
#![warn(
clippy::mod_module_files,
clippy::unwrap_used,
missing_docs,
rust_2018_idioms,
unused_lifetimes,
unused_qualifications
)]
//! # Usage
//! The following example demonstrates how to use an OID as the `parameters`
//! of an [`AlgorithmIdentifier`].
//!
//! Borrow the [`ObjectIdentifier`] first then use [`der::AnyRef::from`] or `.into()`:
//!
//! ```
//! use spki::{AlgorithmIdentifier, ObjectIdentifier};
//!
//! let alg_oid = "1.2.840.10045.2.1".parse::<ObjectIdentifier>().unwrap();
//! let params_oid = "1.2.840.10045.3.1.7".parse::<ObjectIdentifier>().unwrap();
//!
//! let alg_id = AlgorithmIdentifier {
//! oid: alg_oid,
//! parameters: Some(params_oid)
//! };
//! ```
#[cfg(feature = "alloc")]
#[allow(unused_extern_crates)]
extern crate alloc;
#[cfg(feature = "std")]
extern crate std;
mod algorithm;
mod error;
mod spki;
mod traits;
#[cfg(feature = "fingerprint")]
mod fingerprint;
pub use crate::{
algorithm::{AlgorithmIdentifier, AlgorithmIdentifierRef, AlgorithmIdentifierWithOid},
error::{Error, Result},
spki::{SubjectPublicKeyInfo, SubjectPublicKeyInfoRef},
traits::{AssociatedAlgorithmIdentifier, DecodePublicKey, SignatureAlgorithmIdentifier},
};
pub use der::{self, asn1::ObjectIdentifier};
#[cfg(feature = "alloc")]
pub use {
crate::{
algorithm::AlgorithmIdentifierOwned,
spki::SubjectPublicKeyInfoOwned,
traits::{
DynAssociatedAlgorithmIdentifier, DynSignatureAlgorithmIdentifier, EncodePublicKey,
SignatureBitStringEncoding,
},
},
der::Document,
};
#[cfg(feature = "fingerprint")]
pub use crate::fingerprint::FingerprintBytes;

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//! X.509 `SubjectPublicKeyInfo`
use crate::{AlgorithmIdentifier, Error, Result};
use core::cmp::Ordering;
use der::{
asn1::{AnyRef, BitStringRef},
Choice, Decode, DecodeValue, DerOrd, Encode, EncodeValue, FixedTag, Header, Length, Reader,
Sequence, ValueOrd, Writer,
};
#[cfg(feature = "alloc")]
use der::{
asn1::{Any, BitString},
Document,
};
#[cfg(feature = "fingerprint")]
use crate::{fingerprint, FingerprintBytes};
#[cfg(feature = "pem")]
use der::pem::PemLabel;
/// [`SubjectPublicKeyInfo`] with [`AnyRef`] algorithm parameters, and [`BitStringRef`] params.
pub type SubjectPublicKeyInfoRef<'a> = SubjectPublicKeyInfo<AnyRef<'a>, BitStringRef<'a>>;
/// [`SubjectPublicKeyInfo`] with [`Any`] algorithm parameters, and [`BitString`] params.
#[cfg(feature = "alloc")]
pub type SubjectPublicKeyInfoOwned = SubjectPublicKeyInfo<Any, BitString>;
/// X.509 `SubjectPublicKeyInfo` (SPKI) as defined in [RFC 5280 § 4.1.2.7].
///
/// ASN.1 structure containing an [`AlgorithmIdentifier`] and public key
/// data in an algorithm specific format.
///
/// ```text
/// SubjectPublicKeyInfo ::= SEQUENCE {
/// algorithm AlgorithmIdentifier,
/// subjectPublicKey BIT STRING }
/// ```
///
/// [RFC 5280 § 4.1.2.7]: https://tools.ietf.org/html/rfc5280#section-4.1.2.7
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct SubjectPublicKeyInfo<Params, Key> {
/// X.509 [`AlgorithmIdentifier`] for the public key type
pub algorithm: AlgorithmIdentifier<Params>,
/// Public key data
pub subject_public_key: Key,
}
impl<'a, Params, Key> SubjectPublicKeyInfo<Params, Key>
where
Params: Choice<'a> + Encode,
// TODO: replace FixedTag with FixedTag<TAG = { Tag::BitString }> once
// https://github.com/rust-lang/rust/issues/92827 is fixed
Key: Decode<'a> + Encode + FixedTag,
{
/// Calculate the SHA-256 fingerprint of this [`SubjectPublicKeyInfo`] and
/// encode it as a Base64 string.
///
/// See [RFC7469 § 2.1.1] for more information.
///
/// [RFC7469 § 2.1.1]: https://datatracker.ietf.org/doc/html/rfc7469#section-2.1.1
#[cfg(all(feature = "fingerprint", feature = "alloc", feature = "base64"))]
pub fn fingerprint_base64(&self) -> Result<alloc::string::String> {
use base64ct::{Base64, Encoding};
Ok(Base64::encode_string(&self.fingerprint_bytes()?))
}
/// Calculate the SHA-256 fingerprint of this [`SubjectPublicKeyInfo`] as
/// a raw byte array.
///
/// See [RFC7469 § 2.1.1] for more information.
///
/// [RFC7469 § 2.1.1]: https://datatracker.ietf.org/doc/html/rfc7469#section-2.1.1
#[cfg(feature = "fingerprint")]
pub fn fingerprint_bytes(&self) -> Result<FingerprintBytes> {
let mut builder = fingerprint::Builder::new();
self.encode(&mut builder)?;
Ok(builder.finish())
}
}
impl<'a: 'k, 'k, Params, Key: 'k> DecodeValue<'a> for SubjectPublicKeyInfo<Params, Key>
where
Params: Choice<'a> + Encode,
Key: Decode<'a>,
{
fn decode_value<R: Reader<'a>>(reader: &mut R, header: Header) -> der::Result<Self> {
reader.read_nested(header.length, |reader| {
Ok(Self {
algorithm: reader.decode()?,
subject_public_key: Key::decode(reader)?,
})
})
}
}
impl<'a, Params, Key> EncodeValue for SubjectPublicKeyInfo<Params, Key>
where
Params: Choice<'a> + Encode,
Key: Encode,
{
fn value_len(&self) -> der::Result<Length> {
self.algorithm.encoded_len()? + self.subject_public_key.encoded_len()?
}
fn encode_value(&self, writer: &mut impl Writer) -> der::Result<()> {
self.algorithm.encode(writer)?;
self.subject_public_key.encode(writer)?;
Ok(())
}
}
impl<'a, Params, Key> Sequence<'a> for SubjectPublicKeyInfo<Params, Key>
where
Params: Choice<'a> + Encode,
Key: Decode<'a> + Encode + FixedTag,
{
}
impl<'a, Params, Key> TryFrom<&'a [u8]> for SubjectPublicKeyInfo<Params, Key>
where
Params: Choice<'a> + Encode,
Key: Decode<'a> + Encode + FixedTag,
{
type Error = Error;
fn try_from(bytes: &'a [u8]) -> Result<Self> {
Ok(Self::from_der(bytes)?)
}
}
impl<'a, Params, Key> ValueOrd for SubjectPublicKeyInfo<Params, Key>
where
Params: Choice<'a> + DerOrd + Encode,
Key: ValueOrd,
{
fn value_cmp(&self, other: &Self) -> der::Result<Ordering> {
match self.algorithm.der_cmp(&other.algorithm)? {
Ordering::Equal => self.subject_public_key.value_cmp(&other.subject_public_key),
other => Ok(other),
}
}
}
#[cfg(feature = "alloc")]
impl<'a: 'k, 'k, Params, Key: 'k> TryFrom<SubjectPublicKeyInfo<Params, Key>> for Document
where
Params: Choice<'a> + Encode,
Key: Decode<'a> + Encode + FixedTag,
BitStringRef<'a>: From<&'k Key>,
{
type Error = Error;
fn try_from(spki: SubjectPublicKeyInfo<Params, Key>) -> Result<Document> {
Self::try_from(&spki)
}
}
#[cfg(feature = "alloc")]
impl<'a: 'k, 'k, Params, Key: 'k> TryFrom<&SubjectPublicKeyInfo<Params, Key>> for Document
where
Params: Choice<'a> + Encode,
Key: Decode<'a> + Encode + FixedTag,
BitStringRef<'a>: From<&'k Key>,
{
type Error = Error;
fn try_from(spki: &SubjectPublicKeyInfo<Params, Key>) -> Result<Document> {
Ok(Self::encode_msg(spki)?)
}
}
#[cfg(feature = "pem")]
impl<Params, Key> PemLabel for SubjectPublicKeyInfo<Params, Key> {
const PEM_LABEL: &'static str = "PUBLIC KEY";
}
#[cfg(feature = "alloc")]
mod allocating {
use super::*;
use crate::EncodePublicKey;
use der::referenced::*;
impl<'a> RefToOwned<'a> for SubjectPublicKeyInfoRef<'a> {
type Owned = SubjectPublicKeyInfoOwned;
fn ref_to_owned(&self) -> Self::Owned {
SubjectPublicKeyInfo {
algorithm: self.algorithm.ref_to_owned(),
subject_public_key: self.subject_public_key.ref_to_owned(),
}
}
}
impl OwnedToRef for SubjectPublicKeyInfoOwned {
type Borrowed<'a> = SubjectPublicKeyInfoRef<'a>;
fn owned_to_ref(&self) -> Self::Borrowed<'_> {
SubjectPublicKeyInfo {
algorithm: self.algorithm.owned_to_ref(),
subject_public_key: self.subject_public_key.owned_to_ref(),
}
}
}
impl SubjectPublicKeyInfoOwned {
/// Create a [`SubjectPublicKeyInfoOwned`] from any object that implements
/// [`EncodePublicKey`].
pub fn from_key<T>(source: T) -> Result<Self>
where
T: EncodePublicKey,
{
Ok(source.to_public_key_der()?.decode_msg::<Self>()?)
}
}
}

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//! Traits for encoding/decoding SPKI public keys.
use crate::{AlgorithmIdentifier, Error, Result, SubjectPublicKeyInfoRef};
use der::{EncodeValue, Tagged};
#[cfg(feature = "alloc")]
use {
crate::AlgorithmIdentifierOwned,
der::{asn1::BitString, Any, Document},
};
#[cfg(feature = "pem")]
use {
alloc::string::String,
der::pem::{LineEnding, PemLabel},
};
#[cfg(feature = "std")]
use std::path::Path;
#[cfg(doc)]
use crate::SubjectPublicKeyInfo;
/// Parse a public key object from an encoded SPKI document.
pub trait DecodePublicKey: Sized {
/// Deserialize object from ASN.1 DER-encoded [`SubjectPublicKeyInfo`]
/// (binary format).
fn from_public_key_der(bytes: &[u8]) -> Result<Self>;
/// Deserialize PEM-encoded [`SubjectPublicKeyInfo`].
///
/// Keys in this format begin with the following delimiter:
///
/// ```text
/// -----BEGIN PUBLIC KEY-----
/// ```
#[cfg(feature = "pem")]
fn from_public_key_pem(s: &str) -> Result<Self> {
let (label, doc) = Document::from_pem(s)?;
SubjectPublicKeyInfoRef::validate_pem_label(label)?;
Self::from_public_key_der(doc.as_bytes())
}
/// Load public key object from an ASN.1 DER-encoded file on the local
/// filesystem (binary format).
#[cfg(feature = "std")]
fn read_public_key_der_file(path: impl AsRef<Path>) -> Result<Self> {
let doc = Document::read_der_file(path)?;
Self::from_public_key_der(doc.as_bytes())
}
/// Load public key object from a PEM-encoded file on the local filesystem.
#[cfg(all(feature = "pem", feature = "std"))]
fn read_public_key_pem_file(path: impl AsRef<Path>) -> Result<Self> {
let (label, doc) = Document::read_pem_file(path)?;
SubjectPublicKeyInfoRef::validate_pem_label(&label)?;
Self::from_public_key_der(doc.as_bytes())
}
}
impl<T> DecodePublicKey for T
where
T: for<'a> TryFrom<SubjectPublicKeyInfoRef<'a>, Error = Error>,
{
fn from_public_key_der(bytes: &[u8]) -> Result<Self> {
Self::try_from(SubjectPublicKeyInfoRef::try_from(bytes)?)
}
}
/// Serialize a public key object to a SPKI-encoded document.
#[cfg(feature = "alloc")]
pub trait EncodePublicKey {
/// Serialize a [`Document`] containing a SPKI-encoded public key.
fn to_public_key_der(&self) -> Result<Document>;
/// Serialize this public key as PEM-encoded SPKI with the given [`LineEnding`].
#[cfg(feature = "pem")]
fn to_public_key_pem(&self, line_ending: LineEnding) -> Result<String> {
let doc = self.to_public_key_der()?;
Ok(doc.to_pem(SubjectPublicKeyInfoRef::PEM_LABEL, line_ending)?)
}
/// Write ASN.1 DER-encoded public key to the given path
#[cfg(feature = "std")]
fn write_public_key_der_file(&self, path: impl AsRef<Path>) -> Result<()> {
Ok(self.to_public_key_der()?.write_der_file(path)?)
}
/// Write ASN.1 DER-encoded public key to the given path
#[cfg(all(feature = "pem", feature = "std"))]
fn write_public_key_pem_file(
&self,
path: impl AsRef<Path>,
line_ending: LineEnding,
) -> Result<()> {
let doc = self.to_public_key_der()?;
Ok(doc.write_pem_file(path, SubjectPublicKeyInfoRef::PEM_LABEL, line_ending)?)
}
}
/// Returns `AlgorithmIdentifier` associated with the structure.
///
/// This is useful for e.g. keys for digital signature algorithms.
pub trait AssociatedAlgorithmIdentifier {
/// Algorithm parameters.
type Params: Tagged + EncodeValue;
/// `AlgorithmIdentifier` for this structure.
const ALGORITHM_IDENTIFIER: AlgorithmIdentifier<Self::Params>;
}
/// Returns `AlgorithmIdentifier` associated with the structure.
///
/// This is useful for e.g. keys for digital signature algorithms.
#[cfg(feature = "alloc")]
pub trait DynAssociatedAlgorithmIdentifier {
/// `AlgorithmIdentifier` for this structure.
fn algorithm_identifier(&self) -> Result<AlgorithmIdentifierOwned>;
}
#[cfg(feature = "alloc")]
impl<T> DynAssociatedAlgorithmIdentifier for T
where
T: AssociatedAlgorithmIdentifier,
{
fn algorithm_identifier(&self) -> Result<AlgorithmIdentifierOwned> {
Ok(AlgorithmIdentifierOwned {
oid: T::ALGORITHM_IDENTIFIER.oid,
parameters: T::ALGORITHM_IDENTIFIER
.parameters
.as_ref()
.map(Any::encode_from)
.transpose()?,
})
}
}
/// Returns `AlgorithmIdentifier` associated with the signature system.
///
/// Unlike AssociatedAlgorithmIdentifier this is intended to be implemented for public and/or
/// private keys.
pub trait SignatureAlgorithmIdentifier {
/// Algorithm parameters.
type Params: Tagged + EncodeValue;
/// `AlgorithmIdentifier` for the corresponding singature system.
const SIGNATURE_ALGORITHM_IDENTIFIER: AlgorithmIdentifier<Self::Params>;
}
/// Returns `AlgorithmIdentifier` associated with the signature system.
///
/// Unlike AssociatedAlgorithmIdentifier this is intended to be implemented for public and/or
/// private keys.
#[cfg(feature = "alloc")]
pub trait DynSignatureAlgorithmIdentifier {
/// `AlgorithmIdentifier` for the corresponding singature system.
fn signature_algorithm_identifier(&self) -> Result<AlgorithmIdentifierOwned>;
}
#[cfg(feature = "alloc")]
impl<T> DynSignatureAlgorithmIdentifier for T
where
T: SignatureAlgorithmIdentifier,
{
fn signature_algorithm_identifier(&self) -> Result<AlgorithmIdentifierOwned> {
Ok(AlgorithmIdentifierOwned {
oid: T::SIGNATURE_ALGORITHM_IDENTIFIER.oid,
parameters: T::SIGNATURE_ALGORITHM_IDENTIFIER
.parameters
.as_ref()
.map(Any::encode_from)
.transpose()?,
})
}
}
/// Returns the `BitString` encoding of the signature.
///
/// X.509 and CSR structures require signatures to be BitString encoded.
#[cfg(feature = "alloc")]
pub trait SignatureBitStringEncoding {
/// `BitString` encoding for this signature.
fn to_bitstring(&self) -> der::Result<BitString>;
}

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{"name":"spki","vers":"0.7.3","deps":[{"name":"arbitrary","req":"^1.2","features":["derive"],"optional":true,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"base64ct","req":"^1","features":[],"optional":true,"default_features":false,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"der","req":"^0.7.2","features":["oid"],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"sha2","req":"^0.10","features":[],"optional":true,"default_features":false,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"hex-literal","req":"^0.4","features":[],"optional":false,"default_features":true,"target":null,"kind":"dev","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"tempfile","req":"^3","features":[],"optional":false,"default_features":true,"target":null,"kind":"dev","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false}],"features":{"alloc":["base64ct?/alloc","der/alloc"],"arbitrary":["std","dep:arbitrary","der/arbitrary"],"base64":["dep:base64ct"],"fingerprint":["sha2"],"pem":["alloc","der/pem"],"std":["der/std","alloc"]},"features2":null,"cksum":"e4770554239016f94b6523ef3595d1b1f3363392c5a17fa215d5efce32a41119","yanked":null,"links":null,"rust_version":null,"v":2}

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-----BEGIN PUBLIC KEY-----
MCowBQYDK2VwAyEATSkWfz8ZEqb3rfopOgUaFcBexnuPFyZ7HFVQ3OhTvQ0=
-----END PUBLIC KEY-----

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-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHKz/tV8vLO/YnYnrN0smgRUkUoAt
7qCZFgaBN9g5z3/EgaREkjBNfvZqwRe+/oOo0I8VXytS+fYY3URwKQSODw==
-----END PUBLIC KEY-----

BIN
vendor/spki/tests/examples/rsa2048-pub.der vendored Normal file
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9
vendor/spki/tests/examples/rsa2048-pub.pem vendored Normal file
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-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtsQsUV8QpqrygsY+2+JC
Q6Fw8/omM71IM2N/R8pPbzbgOl0p78MZGsgPOQ2HSznjD0FPzsH8oO2B5Uftws04
LHb2HJAYlz25+lN5cqfHAfa3fgmC38FfwBkn7l582UtPWZ/wcBOnyCgb3yLcvJrX
yrt8QxHJgvWO23ITrUVYszImbXQ67YGS0YhMrbixRzmo2tpm3JcIBtnHrEUMsT0N
fFdfsZhTT8YbxBvA8FdODgEwx7u/vf3J9qbi4+Kv8cvqyJuleIRSjVXPsIMnoejI
n04APPKIjpMyQdnWlby7rNyQtE4+CV+jcFjqJbE/Xilcvqxt6DirjFCvYeKYl1uH
LwIDAQAB
-----END PUBLIC KEY-----

161
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//! `SubjectPublicKeyInfo` tests.
use der::asn1::ObjectIdentifier;
use hex_literal::hex;
use spki::SubjectPublicKeyInfoRef;
#[cfg(feature = "alloc")]
use der::Encode;
#[cfg(feature = "pem")]
use der::{pem::LineEnding, EncodePem};
/// Elliptic Curve (P-256) `SubjectPublicKeyInfo` encoded as ASN.1 DER
const EC_P256_DER_EXAMPLE: &[u8] = include_bytes!("examples/p256-pub.der");
/// Ed25519 `SubjectPublicKeyInfo` encoded as ASN.1 DER
#[cfg(any(feature = "alloc", feature = "fingerprint"))]
const ED25519_DER_EXAMPLE: &[u8] = include_bytes!("examples/ed25519-pub.der");
/// RSA-2048 `SubjectPublicKeyInfo` encoded as ASN.1 DER
const RSA_2048_DER_EXAMPLE: &[u8] = include_bytes!("examples/rsa2048-pub.der");
/// Elliptic Curve (P-256) public key encoded as PEM
#[cfg(feature = "pem")]
const EC_P256_PEM_EXAMPLE: &str = include_str!("examples/p256-pub.pem");
/// Ed25519 public key encoded as PEM
#[cfg(feature = "pem")]
const ED25519_PEM_EXAMPLE: &str = include_str!("examples/ed25519-pub.pem");
/// RSA-2048 PKCS#8 public key encoded as PEM
#[cfg(feature = "pem")]
const RSA_2048_PEM_EXAMPLE: &str = include_str!("examples/rsa2048-pub.pem");
/// The SPKI fingerprint for `ED25519_SPKI_FINGERPRINT` as a Base64 string
///
/// Generated using `cat ed25519-pub.der | openssl dgst -binary -sha256 | base64`
#[cfg(all(feature = "alloc", feature = "base64", feature = "fingerprint"))]
const ED25519_SPKI_FINGERPRINT_BASE64: &str = "Vd1MdLDkhTTi9OFzzs61DfjyenrCqomRzHrpFOAwvO0=";
/// The SPKI fingerprint for `ED25519_SPKI_FINGERPRINT` as straight hash bytes
///
/// Generated using `cat ed25519-pub.der | openssl dgst -sha256`
#[cfg(feature = "fingerprint")]
const ED25519_SPKI_FINGERPRINT: &[u8] =
&hex!("55dd4c74b0e48534e2f4e173ceceb50df8f27a7ac2aa8991cc7ae914e030bced");
#[test]
fn decode_ec_p256_der() {
let spki = SubjectPublicKeyInfoRef::try_from(EC_P256_DER_EXAMPLE).unwrap();
assert_eq!(spki.algorithm.oid, "1.2.840.10045.2.1".parse().unwrap());
assert_eq!(
spki.algorithm
.parameters
.unwrap()
.decode_as::<ObjectIdentifier>()
.unwrap(),
"1.2.840.10045.3.1.7".parse().unwrap()
);
assert_eq!(spki.subject_public_key.raw_bytes(), &hex!("041CACFFB55F2F2CEFD89D89EB374B2681152452802DEEA09916068137D839CF7FC481A44492304D7EF66AC117BEFE83A8D08F155F2B52F9F618DD447029048E0F")[..]);
}
#[test]
#[cfg(feature = "fingerprint")]
fn decode_ed25519_and_fingerprint_spki() {
// Repeat the decode test from the pkcs8 crate
let spki = SubjectPublicKeyInfoRef::try_from(ED25519_DER_EXAMPLE).unwrap();
assert_eq!(spki.algorithm.oid, "1.3.101.112".parse().unwrap());
assert_eq!(spki.algorithm.parameters, None);
assert_eq!(
spki.subject_public_key.raw_bytes(),
&hex!("4D29167F3F1912A6F7ADFA293A051A15C05EC67B8F17267B1C5550DCE853BD0D")[..]
);
// Check the fingerprint
assert_eq!(
spki.fingerprint_bytes().unwrap().as_slice(),
ED25519_SPKI_FINGERPRINT
);
}
#[test]
#[cfg(all(feature = "alloc", feature = "base64", feature = "fingerprint"))]
fn decode_ed25519_and_fingerprint_base64() {
// Repeat the decode test from the pkcs8 crate
let spki = SubjectPublicKeyInfoRef::try_from(ED25519_DER_EXAMPLE).unwrap();
assert_eq!(spki.algorithm.oid, "1.3.101.112".parse().unwrap());
assert_eq!(spki.algorithm.parameters, None);
assert_eq!(
spki.subject_public_key.raw_bytes(),
&hex!("4D29167F3F1912A6F7ADFA293A051A15C05EC67B8F17267B1C5550DCE853BD0D")[..]
);
// Check the fingerprint
assert_eq!(
spki.fingerprint_base64().unwrap(),
ED25519_SPKI_FINGERPRINT_BASE64
);
}
#[test]
fn decode_rsa_2048_der() {
let spki = SubjectPublicKeyInfoRef::try_from(RSA_2048_DER_EXAMPLE).unwrap();
assert_eq!(spki.algorithm.oid, "1.2.840.113549.1.1.1".parse().unwrap());
assert!(spki.algorithm.parameters.unwrap().is_null());
assert_eq!(spki.subject_public_key.raw_bytes(), &hex!("3082010A0282010100B6C42C515F10A6AAF282C63EDBE24243A170F3FA2633BD4833637F47CA4F6F36E03A5D29EFC3191AC80F390D874B39E30F414FCEC1FCA0ED81E547EDC2CD382C76F61C9018973DB9FA537972A7C701F6B77E0982DFC15FC01927EE5E7CD94B4F599FF07013A7C8281BDF22DCBC9AD7CABB7C4311C982F58EDB7213AD4558B332266D743AED8192D1884CADB8B14739A8DADA66DC970806D9C7AC450CB13D0D7C575FB198534FC61BC41BC0F0574E0E0130C7BBBFBDFDC9F6A6E2E3E2AFF1CBEAC89BA57884528D55CFB08327A1E8C89F4E003CF2888E933241D9D695BCBBACDC90B44E3E095FA37058EA25B13F5E295CBEAC6DE838AB8C50AF61E298975B872F0203010001")[..]);
}
#[test]
#[cfg(feature = "alloc")]
fn encode_ec_p256_der() {
let pk = SubjectPublicKeyInfoRef::try_from(EC_P256_DER_EXAMPLE).unwrap();
let pk_encoded = pk.to_der().unwrap();
assert_eq!(EC_P256_DER_EXAMPLE, pk_encoded.as_slice());
}
#[test]
#[cfg(feature = "alloc")]
fn encode_ed25519_der() {
let pk = SubjectPublicKeyInfoRef::try_from(ED25519_DER_EXAMPLE).unwrap();
let pk_encoded = pk.to_der().unwrap();
assert_eq!(ED25519_DER_EXAMPLE, pk_encoded.as_slice());
}
#[test]
#[cfg(feature = "alloc")]
fn encode_rsa_2048_der() {
let pk = SubjectPublicKeyInfoRef::try_from(RSA_2048_DER_EXAMPLE).unwrap();
let pk_encoded = pk.to_der().unwrap();
assert_eq!(RSA_2048_DER_EXAMPLE, pk_encoded.as_slice());
}
#[test]
#[cfg(feature = "pem")]
fn encode_ec_p256_pem() {
let pk = SubjectPublicKeyInfoRef::try_from(EC_P256_DER_EXAMPLE).unwrap();
let pk_encoded = pk.to_pem(LineEnding::LF).unwrap();
assert_eq!(EC_P256_PEM_EXAMPLE, pk_encoded);
}
#[test]
#[cfg(feature = "pem")]
fn encode_ed25519_pem() {
let pk = SubjectPublicKeyInfoRef::try_from(ED25519_DER_EXAMPLE).unwrap();
let pk_encoded = pk.to_pem(LineEnding::LF).unwrap();
assert_eq!(ED25519_PEM_EXAMPLE, pk_encoded);
}
#[test]
#[cfg(feature = "pem")]
fn encode_rsa_2048_pem() {
let pk = SubjectPublicKeyInfoRef::try_from(RSA_2048_DER_EXAMPLE).unwrap();
let pk_encoded = pk.to_pem(LineEnding::LF).unwrap();
assert_eq!(RSA_2048_PEM_EXAMPLE, pk_encoded);
}

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//! Tests for SPKI encoding/decoding traits.
#![cfg(any(feature = "pem", feature = "std"))]
use der::{Decode, Encode};
use spki::{DecodePublicKey, Document, EncodePublicKey, Error, Result, SubjectPublicKeyInfoRef};
#[cfg(feature = "pem")]
use spki::der::pem::LineEnding;
#[cfg(feature = "std")]
use tempfile::tempdir;
#[cfg(all(feature = "pem", feature = "std"))]
use std::fs;
/// Ed25519 `SubjectPublicKeyInfo` encoded as ASN.1 DER
const ED25519_DER_EXAMPLE: &[u8] = include_bytes!("examples/ed25519-pub.der");
/// Ed25519 public key encoded as PEM
#[cfg(feature = "pem")]
const ED25519_PEM_EXAMPLE: &str = include_str!("examples/ed25519-pub.pem");
/// Mock key type for testing trait impls against.
pub struct MockKey(Vec<u8>);
impl AsRef<[u8]> for MockKey {
fn as_ref(&self) -> &[u8] {
self.0.as_ref()
}
}
impl EncodePublicKey for MockKey {
fn to_public_key_der(&self) -> Result<Document> {
Ok(Document::from_der(self.as_ref())?)
}
}
impl TryFrom<SubjectPublicKeyInfoRef<'_>> for MockKey {
type Error = Error;
fn try_from(spki: SubjectPublicKeyInfoRef<'_>) -> Result<MockKey> {
Ok(MockKey(spki.to_der()?))
}
}
#[cfg(feature = "pem")]
#[test]
fn from_public_key_pem() {
let key = MockKey::from_public_key_pem(ED25519_PEM_EXAMPLE).unwrap();
assert_eq!(key.as_ref(), ED25519_DER_EXAMPLE);
}
#[cfg(feature = "std")]
#[test]
fn read_public_key_der_file() {
let key = MockKey::read_public_key_der_file("tests/examples/ed25519-pub.der").unwrap();
assert_eq!(key.as_ref(), ED25519_DER_EXAMPLE);
}
#[cfg(all(feature = "pem", feature = "std"))]
#[test]
fn read_public_key_pem_file() {
let key = MockKey::read_public_key_pem_file("tests/examples/ed25519-pub.pem").unwrap();
assert_eq!(key.as_ref(), ED25519_DER_EXAMPLE);
}
#[cfg(feature = "pem")]
#[test]
fn to_public_key_pem() {
let pem = MockKey(ED25519_DER_EXAMPLE.to_vec())
.to_public_key_pem(LineEnding::LF)
.unwrap();
assert_eq!(pem, ED25519_PEM_EXAMPLE);
}
#[cfg(feature = "std")]
#[test]
fn write_public_key_der_file() {
let dir = tempdir().unwrap();
let path = dir.path().join("example.der");
MockKey(ED25519_DER_EXAMPLE.to_vec())
.write_public_key_der_file(&path)
.unwrap();
let key = MockKey::read_public_key_der_file(&path).unwrap();
assert_eq!(key.as_ref(), ED25519_DER_EXAMPLE);
}
#[cfg(all(feature = "pem", feature = "std"))]
#[test]
fn write_public_key_pem_file() {
let dir = tempdir().unwrap();
let path = dir.path().join("example.pem");
MockKey(ED25519_DER_EXAMPLE.to_vec())
.write_public_key_pem_file(&path, LineEnding::LF)
.unwrap();
let pem = fs::read_to_string(path).unwrap();
assert_eq!(&pem, ED25519_PEM_EXAMPLE);
}