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Sienna Meridian Satterwhite
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{"files":{".cargo_vcs_info.json":"e5a0f21bd6f52b375183cf5ed97c568453e10d91c5786b57115e4f4d88fff911","CHANGELOG.md":"435bfe434509591c8aabe74b882233dc14c5f26d2c4ad42a4dcc92b9c5460b4e","Cargo.toml":"dd54bc4dc0f9bc8a75834d83d10c879767e0c9e5160feb2acf251cde21b48035","Cargo.toml.orig":"d25f01d79c2fb70eee2f764e98d96d61058e8b2133f17d5ec5e98075f24bb7d3","LICENSE-APACHE":"a9040321c3712d8fd0b09cf52b17445de04a23a10165049ae187cd39e5c86be5","LICENSE-MIT":"8ea5cea8ddecc46a64a004406414d25529fca7eb71cfd8c0cfe49c343bff79c5","README.md":"3fb689734697a8eabe63be4eb321e6bec679353eec1d3713384f1b8070da2f4f","benches/lib.rs":"0278abc364f75642eb5f1ab211fdc5dcd44f3ab28612c4f422e638998da0a509","src/lib.rs":"4c04c9b4daaafe69da4830982e96faa789078e267f05b963220638d2f6182fae","src/simple.rs":"6db7b4ab32a7c9773459d847069f60d2a14985db7e0c0ce322e91c16b1a2e7b7","tests/mod.rs":"b29b362cfd9a34cf66265873fbae07ef0da0ace59ca37229b18e5188c35fe377","tests/simple.rs":"1623bb65530ef2de6e93e518dbb32425e85a3b7b18b8fc0c1c117262aaa88ba9"},"package":"f8ed6a7761f76e3b9f92dfb0a60a6a6477c61024b775147ff0973a02653abaf2"}

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{
"git": {
"sha1": "5af3bb038e73a9e9a1b95c7074f93ec78c66606d"
},
"path_in_vcs": "pbkdf2"
}

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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).
## 0.12.2 (2023-07-08)
### Fixed
- Use `RECOMMENDED_ROUNDS` in `Default` impl for `Params` ([#442])
[#442]: https://github.com/RustCrypto/password-hashes/pull/442
## 0.12.1 (2023-03-04)
### Changed
- Re-export `hmac` ([#397])
[#397]: https://github.com/RustCrypto/password-hashes/pull/397
## 0.12.0 (2023-03-04)
### Changed
- Add new wrapper functions: `pbkdf2_array`, `pbkdf2_hmac`, and
`pbkdf2_hmac_array`. `pbkdf2` and `pbkdf2_array` now return
`Result<(), InvalidLength>` instead of unwrapping it internally. ([#337])
- Use `sha1` dependency directly ([#363])
- Make `Ident` values inherent constants of `Algorithm` ([#375])
- Bump `password-hash` to v0.5 ([#383])
- Adopt OWASP recommended default `Params` ([#389])
### Removed
- `simple` feature is no longer enabled by default ([#336])
[#336]: https://github.com/RustCrypto/password-hashes/pull/336
[#337]: https://github.com/RustCrypto/password-hashes/pull/337
[#363]: https://github.com/RustCrypto/password-hashes/pull/363
[#375]: https://github.com/RustCrypto/password-hashes/pull/375
[#383]: https://github.com/RustCrypto/password-hashes/pull/383
[#389]: https://github.com/RustCrypto/password-hashes/pull/389
## 0.11.0 (2022-03-28)
### Changed
- Bump `password-hash` dependency to v0.4; MSRV 1.57 ([#283])
- 2021 edition upgrade ([#284])
[#283]: https://github.com/RustCrypto/password-hashes/pull/283
[#284]: https://github.com/RustCrypto/password-hashes/pull/284
## 0.10.1 (2022-02-17)
### Fixed
- Minimal versions build ([#273])
[#273]: https://github.com/RustCrypto/password-hashes/pull/273
## 0.10.0 (2021-11-25)
### Changed
- Migrate from `crypto-mac` to `digest` v0.10 ([#254])
[#254]: https://github.com/RustCrypto/password-hashes/pull/254
## 0.9.0 (2021-08-27)
### Added
- GOST test vectors ([#191])
### Changed
- Bump `password-hash` to v0.3 ([#217], [RustCrypto/traits#724])
- Use `resolver = "2"`; MSRV 1.51+ ([#220])
### Removed
- `McfHasher` impl on `Pbkdf2` ([#219])
[#191]: https://github.com/RustCrypto/password-hashing/pull/191
[#217]: https://github.com/RustCrypto/password-hashing/pull/217
[#219]: https://github.com/RustCrypto/password-hashing/pull/219
[#220]: https://github.com/RustCrypto/password-hashing/pull/220
[RustCrypto/traits#724]: https://github.com/RustCrypto/traits/pull/724
## 0.8.0 (2021-04-29)
### Changed
- Bump `password-hash` crate dependency to v0.2 ([#164])
- Bump `hmac` and `crypto-mac` crate deps to v0.11 ([#165])
[#164]: https://github.com/RustCrypto/password-hashing/pull/164
[#165]: https://github.com/RustCrypto/password-hashing/pull/165
## 0.7.5 (2021-03-27)
### Fixed
- Pin `password-hash` to v0.1.2 or newer ([#151])
[#151]: https://github.com/RustCrypto/password-hashing/pull/151
## 0.7.4 (2021-03-17)
### Changed
- Bump `base64ct` dependency to v1.0 ([#144])
[#144]: https://github.com/RustCrypto/password-hashing/pull/144
## 0.7.3 (2021-02-08)
### Changed
- Enable `rand_core` feature of `password-hash` ([#130])
[#130]: https://github.com/RustCrypto/password-hashing/pull/130
## 0.7.2 (2021-02-01)
### Changed
- Bump `base64ct` dependency to v0.2 ([#119])
[#119]: https://github.com/RustCrypto/password-hashing/pull/119
## 0.7.1 (2021-01-29)
### Removed
- `alloc` dependencies for `simple` feature ([#107])
[#107]: https://github.com/RustCrypto/password-hashing/pull/107
## 0.7.0 (2021-01-29)
### Added
- PHC hash format support using `password-hash` crate ([#82])
### Changed
- Rename `include_simple` features to `simple` ([#99])
### Removed
- Legacy `simple` API ([#98])
[#82]: https://github.com/RustCrypto/password-hashing/pull/82
[#98]: https://github.com/RustCrypto/password-hashing/pull/98
[#99]: https://github.com/RustCrypto/password-hashing/pull/99
## 0.6.0 (2020-10-18)
### Changed
- Bump `crypto-mac` dependency to v0.10 ([#58])
- Bump `hmac` dependency to v0.10 ([#58])
[#58]: https://github.com/RustCrypto/password-hashing/pull/58
## 0.5.0 (2020-08-18)
### Changed
- Bump `crypto-mac` dependency to v0.9 ([#44])
[#44]: https://github.com/RustCrypto/password-hashing/pull/44
## 0.4.0 (2020-06-10)
### Changed
- Code improvements ([#33])
- Bump `rand` dependency to v0.7 ([#31])
- Bump `hmac` to v0.8 ([#30])
- Bump `sha2` to v0.9 ([#30])
- Bump `subtle` to v2 ([#13])
- MSRV 1.41+ ([#30])
- Upgrade to Rust 2018 edition ([#24])
[#33]: https://github.com/RustCrypto/password-hashing/pull/33
[#31]: https://github.com/RustCrypto/password-hashing/pull/31
[#30]: https://github.com/RustCrypto/password-hashing/pull/30
[#24]: https://github.com/RustCrypto/password-hashing/pull/24
[#13]: https://github.com/RustCrypto/password-hashing/pull/13
## 0.3.0 (2018-10-08)
## 0.2.3 (2018-08-30)
## 0.2.2 (2018-08-15)
## 0.2.1 (2018-08-06)
## 0.2.0 (2018-03-30)
## 0.1.0 (2017-08-16)

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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 = "1.60"
name = "pbkdf2"
version = "0.12.2"
authors = ["RustCrypto Developers"]
description = "Generic implementation of PBKDF2"
documentation = "https://docs.rs/pbkdf2"
readme = "README.md"
keywords = [
"crypto",
"hashing",
"password",
"phf",
]
categories = [
"authentication",
"cryptography",
"no-std",
]
license = "MIT OR Apache-2.0"
repository = "https://github.com/RustCrypto/password-hashes/tree/master/pbkdf2"
[package.metadata.docs.rs]
all-features = true
rustdoc-args = [
"--cfg",
"docsrs",
]
[dependencies.digest]
version = "0.10.7"
features = ["mac"]
[dependencies.hmac]
version = "0.12"
optional = true
default-features = false
[dependencies.password-hash]
version = "0.5"
features = ["rand_core"]
optional = true
default-features = false
[dependencies.rayon]
version = "1.7"
optional = true
[dependencies.sha1]
version = "0.10"
optional = true
default-features = false
[dependencies.sha2]
version = "0.10"
optional = true
default-features = false
[dev-dependencies.hex-literal]
version = "0.4.0"
[dev-dependencies.hmac]
version = "0.12"
[dev-dependencies.sha1]
version = "0.10"
[dev-dependencies.sha2]
version = "0.10"
[dev-dependencies.streebog]
version = "0.10"
[features]
default = ["hmac"]
parallel = [
"rayon",
"std",
]
simple = [
"hmac",
"password-hash",
"sha2",
]
std = ["password-hash/std"]

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vendor/pbkdf2/LICENSE-MIT vendored Normal file
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Copyright (c) 2017 Artyom Pavlov
Copyright (c) 2018-2023 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: PBKDF2
[![crate][crate-image]][crate-link]
[![Docs][docs-image]][docs-link]
![Apache2/MIT licensed][license-image]
![Rust Version][rustc-image]
[![Project Chat][chat-image]][chat-link]
[![Build Status][build-image]][build-link]
Pure Rust implementation of the [Password-Based Key Derivation Function v2 (PBKDF2)][1].
[Documentation][docs-link]
## Minimum Supported Rust Version
Rust **1.60** or higher.
Minimum supported Rust version can be changed in the future, but it will be
done with a minor version bump.
## SemVer Policy
- All on-by-default features of this library are covered by SemVer
- MSRV is considered exempt from SemVer as noted above
## 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/pbkdf2
[crate-link]: https://crates.io/crates/pbkdf2
[docs-image]: https://docs.rs/pbkdf2/badge.svg
[docs-link]: https://docs.rs/pbkdf2/
[license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
[rustc-image]: https://img.shields.io/badge/rustc-1.51+-blue.svg
[chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
[chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/260046-password-hashes
[build-image]: https://github.com/RustCrypto/password-hashes/workflows/pbkdf2/badge.svg?branch=master&event=push
[build-link]: https://github.com/RustCrypto/password-hashes/actions?query=workflow%3Apbkdf2
[//]: # (general links)
[1]: https://en.wikipedia.org/wiki/PBKDF2

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#![no_std]
#![feature(test)]
extern crate test;
use hmac::Hmac;
use pbkdf2::pbkdf2;
use test::Bencher;
#[bench]
pub fn pbkdf2_hmac_sha1_16384_20(bh: &mut Bencher) {
let password = b"my secure password";
let salt = b"salty salt";
let mut buf = [0u8; 20];
bh.iter(|| {
pbkdf2::<Hmac<sha1::Sha1>>(password, salt, 16_384, &mut buf);
test::black_box(&buf);
});
}
#[bench]
pub fn pbkdf2_hmac_sha256_16384_20(bh: &mut Bencher) {
let password = b"my secure password";
let salt = b"salty salt";
let mut buf = [0u8; 20];
bh.iter(|| {
pbkdf2::<Hmac<sha2::Sha256>>(password, salt, 16_384, &mut buf);
test::black_box(&buf);
});
}
#[bench]
pub fn pbkdf2_hmac_sha512_16384_20(bh: &mut Bencher) {
let password = b"my secure password";
let salt = b"salty salt";
let mut buf = [0u8; 20];
bh.iter(|| {
pbkdf2::<Hmac<sha2::Sha512>>(password, salt, 16_384, &mut buf);
test::black_box(&buf);
});
}

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//! This crate implements the PBKDF2 key derivation function as specified
//! in [RFC 2898](https://tools.ietf.org/html/rfc2898).
//!
//! # Examples
//!
//! PBKDF2 is defined in terms of a keyed pseudo-random function (PRF). Most
//! commonly HMAC is used as this PRF. In such cases you can use [`pbkdf2_hmac`]
//! and [`pbkdf2_hmac_array`] functions. The former accepts a byte slice which
//! gets filled with generated key, while the former returns an array with
//! generated key of requested length.
//!
//! ```
//! # #[cfg(feature = "hmac")] {
//! use hex_literal::hex;
//! use pbkdf2::{pbkdf2_hmac, pbkdf2_hmac_array};
//! use sha2::Sha256;
//!
//! let password = b"password";
//! let salt = b"salt";
//! // number of iterations
//! let n = 600_000;
//! // Expected value of generated key
//! let expected = hex!("669cfe52482116fda1aa2cbe409b2f56c8e45637");
//!
//! let mut key1 = [0u8; 20];
//! pbkdf2_hmac::<Sha256>(password, salt, n, &mut key1);
//! assert_eq!(key1, expected);
//!
//! let key2 = pbkdf2_hmac_array::<Sha256, 20>(password, salt, n);
//! assert_eq!(key2, expected);
//! # }
//! ```
//!
//! If you want to use a different PRF, then you can use [`pbkdf2`][crate::pbkdf2]
//! and [`pbkdf2_array`] functions.
//!
//! This crates also provides the high-level password-hashing API through
//! the [`Pbkdf2`] struct and traits defined in the
//! [`password-hash`][password_hash] crate.
//!
//! Add the following to your crate's `Cargo.toml` to import it:
//!
//! ```toml
//! [dependencies]
//! pbkdf2 = { version = "0.12", features = ["simple"] }
//! rand_core = { version = "0.6", features = ["std"] }
//! ```
//!
//! The following example demonstrates the high-level password hashing API:
//!
//! ```
//! # fn main() -> Result<(), Box<dyn std::error::Error>> {
//! # #[cfg(all(feature = "simple", feature = "std"))]
//! # {
//! use pbkdf2::{
//! password_hash::{
//! rand_core::OsRng,
//! PasswordHash, PasswordHasher, PasswordVerifier, SaltString
//! },
//! Pbkdf2
//! };
//!
//! let password = b"hunter42"; // Bad password; don't actually use!
//! let salt = SaltString::generate(&mut OsRng);
//!
//! // Hash password to PHC string ($pbkdf2-sha256$...)
//! let password_hash = Pbkdf2.hash_password(password, &salt)?.to_string();
//!
//! // Verify password against PHC string
//! let parsed_hash = PasswordHash::new(&password_hash)?;
//! assert!(Pbkdf2.verify_password(password, &parsed_hash).is_ok());
//! # }
//! # Ok(())
//! # }
//! ```
#![no_std]
#![cfg_attr(docsrs, feature(doc_cfg))]
#![doc(
html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg",
html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg"
)]
#[cfg(feature = "std")]
extern crate std;
#[cfg(feature = "simple")]
extern crate alloc;
#[cfg(feature = "simple")]
#[cfg_attr(docsrs, doc(cfg(feature = "simple")))]
pub use password_hash;
#[cfg(feature = "simple")]
mod simple;
#[cfg(feature = "hmac")]
pub use hmac;
#[cfg(feature = "simple")]
pub use crate::simple::{Algorithm, Params, Pbkdf2};
#[cfg(feature = "parallel")]
use rayon::prelude::*;
use digest::{generic_array::typenum::Unsigned, FixedOutput, InvalidLength, KeyInit, Update};
#[cfg(feature = "hmac")]
use digest::{
block_buffer::Eager,
core_api::{BlockSizeUser, BufferKindUser, CoreProxy, FixedOutputCore, UpdateCore},
generic_array::typenum::{IsLess, Le, NonZero, U256},
HashMarker,
};
#[inline(always)]
fn xor(res: &mut [u8], salt: &[u8]) {
debug_assert!(salt.len() >= res.len(), "length mismatch in xor");
res.iter_mut().zip(salt.iter()).for_each(|(a, b)| *a ^= b);
}
#[inline(always)]
fn pbkdf2_body<PRF>(i: u32, chunk: &mut [u8], prf: &PRF, salt: &[u8], rounds: u32)
where
PRF: Update + FixedOutput + Clone,
{
for v in chunk.iter_mut() {
*v = 0;
}
let mut salt = {
let mut prfc = prf.clone();
prfc.update(salt);
prfc.update(&(i + 1).to_be_bytes());
let salt = prfc.finalize_fixed();
xor(chunk, &salt);
salt
};
for _ in 1..rounds {
let mut prfc = prf.clone();
prfc.update(&salt);
salt = prfc.finalize_fixed();
xor(chunk, &salt);
}
}
/// Generic implementation of PBKDF2 algorithm which accepts an arbitrary keyed PRF.
///
/// ```
/// use hex_literal::hex;
/// use pbkdf2::pbkdf2;
/// use hmac::Hmac;
/// use sha2::Sha256;
///
/// let mut buf = [0u8; 20];
/// pbkdf2::<Hmac<Sha256>>(b"password", b"salt", 600_000, &mut buf)
/// .expect("HMAC can be initialized with any key length");
/// assert_eq!(buf, hex!("669cfe52482116fda1aa2cbe409b2f56c8e45637"));
/// ```
#[inline]
pub fn pbkdf2<PRF>(
password: &[u8],
salt: &[u8],
rounds: u32,
res: &mut [u8],
) -> Result<(), InvalidLength>
where
PRF: KeyInit + Update + FixedOutput + Clone + Sync,
{
let n = PRF::OutputSize::to_usize();
// note: HMAC can be initialized with keys of any size,
// so this panic never happens with it
let prf = PRF::new_from_slice(password)?;
#[cfg(not(feature = "parallel"))]
{
for (i, chunk) in res.chunks_mut(n).enumerate() {
pbkdf2_body(i as u32, chunk, &prf, salt, rounds);
}
}
#[cfg(feature = "parallel")]
{
res.par_chunks_mut(n).enumerate().for_each(|(i, chunk)| {
pbkdf2_body(i as u32, chunk, &prf, salt, rounds);
});
}
Ok(())
}
/// A variant of the [`pbkdf2`][crate::pbkdf2] function which returns an array
/// instead of filling an input slice.
///
/// ```
/// use hex_literal::hex;
/// use pbkdf2::pbkdf2_array;
/// use hmac::Hmac;
/// use sha2::Sha256;
///
/// let res = pbkdf2_array::<Hmac<Sha256>, 20>(b"password", b"salt", 600_000)
/// .expect("HMAC can be initialized with any key length");
/// assert_eq!(res, hex!("669cfe52482116fda1aa2cbe409b2f56c8e45637"));
/// ```
#[inline]
pub fn pbkdf2_array<PRF, const N: usize>(
password: &[u8],
salt: &[u8],
rounds: u32,
) -> Result<[u8; N], InvalidLength>
where
PRF: KeyInit + Update + FixedOutput + Clone + Sync,
{
let mut buf = [0u8; N];
pbkdf2::<PRF>(password, salt, rounds, &mut buf).map(|()| buf)
}
/// A variant of the [`pbkdf2`][crate::pbkdf2] function which uses HMAC for PRF.
/// It's generic over (eager) hash functions.
///
/// ```
/// use hex_literal::hex;
/// use pbkdf2::pbkdf2_hmac;
/// use sha2::Sha256;
///
/// let mut buf = [0u8; 20];
/// pbkdf2_hmac::<Sha256>(b"password", b"salt", 600_000, &mut buf);
/// assert_eq!(buf, hex!("669cfe52482116fda1aa2cbe409b2f56c8e45637"));
/// ```
#[cfg(feature = "hmac")]
#[cfg_attr(docsrs, doc(cfg(feature = "hmac")))]
pub fn pbkdf2_hmac<D>(password: &[u8], salt: &[u8], rounds: u32, res: &mut [u8])
where
D: CoreProxy,
D::Core: Sync
+ HashMarker
+ UpdateCore
+ FixedOutputCore
+ BufferKindUser<BufferKind = Eager>
+ Default
+ Clone,
<D::Core as BlockSizeUser>::BlockSize: IsLess<U256>,
Le<<D::Core as BlockSizeUser>::BlockSize, U256>: NonZero,
{
crate::pbkdf2::<hmac::Hmac<D>>(password, salt, rounds, res)
.expect("HMAC can be initialized with any key length");
}
/// A variant of the [`pbkdf2_hmac`] function which returns an array
/// instead of filling an input slice.
///
/// ```
/// use hex_literal::hex;
/// use pbkdf2::pbkdf2_hmac_array;
/// use sha2::Sha256;
///
/// assert_eq!(
/// pbkdf2_hmac_array::<Sha256, 20>(b"password", b"salt", 600_000),
/// hex!("669cfe52482116fda1aa2cbe409b2f56c8e45637"),
/// );
/// ```
#[cfg(feature = "hmac")]
#[cfg_attr(docsrs, doc(cfg(feature = "hmac")))]
pub fn pbkdf2_hmac_array<D, const N: usize>(password: &[u8], salt: &[u8], rounds: u32) -> [u8; N]
where
D: CoreProxy,
D::Core: Sync
+ HashMarker
+ UpdateCore
+ FixedOutputCore
+ BufferKindUser<BufferKind = Eager>
+ Default
+ Clone,
<D::Core as BlockSizeUser>::BlockSize: IsLess<U256>,
Le<<D::Core as BlockSizeUser>::BlockSize, U256>: NonZero,
{
let mut buf = [0u8; N];
pbkdf2_hmac::<D>(password, salt, rounds, &mut buf);
buf
}

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//! Implementation of the `password-hash` crate API.
use crate::pbkdf2_hmac;
use core::{cmp::Ordering, fmt, str::FromStr};
use password_hash::{
errors::InvalidValue, Decimal, Error, Ident, Output, ParamsString, PasswordHash,
PasswordHasher, Result, Salt,
};
use sha2::{Sha256, Sha512};
#[cfg(feature = "sha1")]
use sha1::Sha1;
/// PBKDF2 type for use with [`PasswordHasher`].
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
#[cfg_attr(docsrs, doc(cfg(feature = "simple")))]
pub struct Pbkdf2;
impl PasswordHasher for Pbkdf2 {
type Params = Params;
fn hash_password_customized<'a>(
&self,
password: &[u8],
alg_id: Option<Ident<'a>>,
version: Option<Decimal>,
params: Params,
salt: impl Into<Salt<'a>>,
) -> Result<PasswordHash<'a>> {
let algorithm = Algorithm::try_from(alg_id.unwrap_or(Algorithm::default().ident()))?;
// Versions unsupported
if version.is_some() {
return Err(Error::Version);
}
let salt = salt.into();
let mut salt_arr = [0u8; 64];
let salt_bytes = salt.decode_b64(&mut salt_arr)?;
let output = Output::init_with(params.output_length, |out| {
let f = match algorithm {
#[cfg(feature = "sha1")]
Algorithm::Pbkdf2Sha1 => pbkdf2_hmac::<Sha1>,
Algorithm::Pbkdf2Sha256 => pbkdf2_hmac::<Sha256>,
Algorithm::Pbkdf2Sha512 => pbkdf2_hmac::<Sha512>,
};
f(password, salt_bytes, params.rounds, out);
Ok(())
})?;
Ok(PasswordHash {
algorithm: algorithm.ident(),
version: None,
params: params.try_into()?,
salt: Some(salt),
hash: Some(output),
})
}
}
/// PBKDF2 variants.
///
/// <https://en.wikipedia.org/wiki/PBKDF2>
#[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, PartialOrd, Ord)]
#[non_exhaustive]
#[cfg_attr(docsrs, doc(cfg(feature = "simple")))]
pub enum Algorithm {
/// PBKDF2 SHA1
#[cfg(feature = "sha1")]
#[cfg_attr(docsrs, doc(cfg(feature = "sha1")))]
Pbkdf2Sha1,
/// PBKDF2 SHA-256
Pbkdf2Sha256,
/// PBKDF2 SHA-512
Pbkdf2Sha512,
}
impl Default for Algorithm {
/// Default suggested by the [OWASP cheat sheet]:
///
/// > Use PBKDF2 with a work factor of 600,000 or more and set with an
/// > internal hash function of HMAC-SHA-256.
///
/// [OWASP cheat sheet]: https://cheatsheetseries.owasp.org/cheatsheets/Password_Storage_Cheat_Sheet.html
fn default() -> Self {
Self::Pbkdf2Sha256
}
}
impl Algorithm {
/// PBKDF2 (SHA-1) algorithm identifier
#[cfg(feature = "sha1")]
pub const PBKDF2_SHA1_IDENT: Ident<'static> = Ident::new_unwrap("pbkdf2");
/// PBKDF2 (SHA-256) algorithm identifier
pub const PBKDF2_SHA256_IDENT: Ident<'static> = Ident::new_unwrap("pbkdf2-sha256");
/// PBKDF2 (SHA-512) algorithm identifier
pub const PBKDF2_SHA512_IDENT: Ident<'static> = Ident::new_unwrap("pbkdf2-sha512");
/// Parse an [`Algorithm`] from the provided string.
pub fn new(id: impl AsRef<str>) -> Result<Self> {
id.as_ref().parse()
}
/// Get the [`Ident`] that corresponds to this PBKDF2 [`Algorithm`].
pub fn ident(&self) -> Ident<'static> {
match self {
#[cfg(feature = "sha1")]
Algorithm::Pbkdf2Sha1 => Self::PBKDF2_SHA1_IDENT,
Algorithm::Pbkdf2Sha256 => Self::PBKDF2_SHA256_IDENT,
Algorithm::Pbkdf2Sha512 => Self::PBKDF2_SHA512_IDENT,
}
}
/// Get the identifier string for this PBKDF2 [`Algorithm`].
pub fn as_str(&self) -> &str {
self.ident().as_str()
}
}
impl AsRef<str> for Algorithm {
fn as_ref(&self) -> &str {
self.as_str()
}
}
impl fmt::Display for Algorithm {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(self.as_str())
}
}
impl FromStr for Algorithm {
type Err = Error;
fn from_str(s: &str) -> Result<Algorithm> {
Ident::try_from(s)?.try_into()
}
}
impl From<Algorithm> for Ident<'static> {
fn from(alg: Algorithm) -> Ident<'static> {
alg.ident()
}
}
impl<'a> TryFrom<Ident<'a>> for Algorithm {
type Error = Error;
fn try_from(ident: Ident<'a>) -> Result<Algorithm> {
match ident {
#[cfg(feature = "sha1")]
Self::PBKDF2_SHA1_IDENT => Ok(Algorithm::Pbkdf2Sha1),
Self::PBKDF2_SHA256_IDENT => Ok(Algorithm::Pbkdf2Sha256),
Self::PBKDF2_SHA512_IDENT => Ok(Algorithm::Pbkdf2Sha512),
_ => Err(Error::Algorithm),
}
}
}
/// PBKDF2 params
#[cfg_attr(docsrs, doc(cfg(feature = "simple")))]
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct Params {
/// Number of rounds
pub rounds: u32,
/// Size of the output (in bytes)
pub output_length: usize,
}
impl Params {
/// Recommended number of PBKDF2 rounds (used by default).
///
/// This number is adopted from the [OWASP cheat sheet]:
///
/// > Use PBKDF2 with a work factor of 600,000 or more
///
/// [OWASP cheat sheet]: https://cheatsheetseries.owasp.org/cheatsheets/Password_Storage_Cheat_Sheet.html
pub const RECOMMENDED_ROUNDS: usize = 600_000;
}
impl Default for Params {
fn default() -> Params {
Params {
rounds: Self::RECOMMENDED_ROUNDS as u32,
output_length: 32,
}
}
}
impl<'a> TryFrom<&'a PasswordHash<'a>> for Params {
type Error = Error;
fn try_from(hash: &'a PasswordHash<'a>) -> Result<Self> {
let mut params = Params::default();
let mut output_length = None;
if hash.version.is_some() {
return Err(Error::Version);
}
for (ident, value) in hash.params.iter() {
match ident.as_str() {
"i" => params.rounds = value.decimal()?,
"l" => {
output_length = Some(
value
.decimal()?
.try_into()
.map_err(|_| InvalidValue::Malformed.param_error())?,
)
}
_ => return Err(Error::ParamNameInvalid),
}
}
if let Some(len) = output_length {
if let Some(hash) = &hash.hash {
match hash.len().cmp(&len) {
Ordering::Less => return Err(InvalidValue::TooShort.param_error()),
Ordering::Greater => return Err(InvalidValue::TooLong.param_error()),
Ordering::Equal => (),
}
}
params.output_length = len;
}
Ok(params)
}
}
impl<'a> TryFrom<Params> for ParamsString {
type Error = Error;
fn try_from(input: Params) -> Result<ParamsString> {
let mut output = ParamsString::new();
output.add_decimal("i", input.rounds)?;
output.add_decimal("l", input.output_length as u32)?;
Ok(output)
}
}

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{"name":"pbkdf2","vers":"0.12.2","deps":[{"name":"digest","req":"^0.10.7","features":["mac"],"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":"hmac","req":"^0.12","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":"password-hash","req":"^0.5","features":["rand_core"],"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":"rayon","req":"^1.7","features":[],"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":"sha1","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":"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":"^0.4.0","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":"hmac","req":"^0.12","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":"sha1","req":"^0.10","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":"sha2","req":"^0.10","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":"streebog","req":"^0.10","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":{"default":["hmac"],"parallel":["rayon","std"],"simple":["hmac","password-hash","sha2"],"std":["password-hash/std"]},"features2":null,"cksum":"b183fe4a4f9a398a01ea90524bd5504ad73e3042e7b08a6e889b81db6298720b","yanked":null,"links":null,"rust_version":null,"v":2}

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#![cfg(feature = "hmac")]
use hex_literal::hex;
use pbkdf2::pbkdf2_hmac_array as f;
use sha1::Sha1;
use streebog::Streebog512;
/// Tests from RFC 6070:
/// https://www.rfc-editor.org/rfc/rfc6070
#[test]
fn rfc6070() {
assert_eq!(
f::<Sha1, 20>(b"password", b"salt", 1),
hex!("0c60c80f961f0e71f3a9b524af6012062fe037a6"),
);
assert_eq!(
f::<Sha1, 20>(b"password", b"salt", 2),
hex!("ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957"),
);
assert_eq!(
f::<Sha1, 20>(b"password", b"salt", 4096),
hex!("4b007901b765489abead49d926f721d065a429c1"),
);
// this test passes, but takes a long time to execute
/*
assert_eq!(
f::<Sha1, 20>(b"password", b"salt", 16777216),
hex!("eefe3d61cd4da4e4e9945b3d6ba2158c2634e984"),
);
*/
assert_eq!(
f::<Sha1, 25>(
b"passwordPASSWORDpassword",
b"saltSALTsaltSALTsaltSALTsaltSALTsalt",
4096
),
hex!("3d2eec4fe41c849b80c8d83662c0e44a8b291a964cf2f07038"),
);
assert_eq!(
f::<Sha1, 16>(b"pass\0word", b"sa\0lt", 4096),
hex!("56fa6aa75548099dcc37d7f03425e0c3"),
);
}
/// Test vectors from R 50.1.111-2016:
/// https://tc26.ru/standard/rs/Р 50.1.111-2016.pdf
#[test]
fn gost() {
assert_eq!(
f::<Streebog512, 64>(b"password", b"salt", 1),
hex!(
"64770af7f748c3b1c9ac831dbcfd85c2"
"6111b30a8a657ddc3056b80ca73e040d"
"2854fd36811f6d825cc4ab66ec0a68a4"
"90a9e5cf5156b3a2b7eecddbf9a16b47"
),
);
assert_eq!(
f::<Streebog512, 64>(b"password", b"salt", 2),
hex!(
"5a585bafdfbb6e8830d6d68aa3b43ac0"
"0d2e4aebce01c9b31c2caed56f0236d4"
"d34b2b8fbd2c4e89d54d46f50e47d45b"
"bac301571743119e8d3c42ba66d348de"
),
);
assert_eq!(
f::<Streebog512, 64>(b"password", b"salt", 4096),
hex!(
"e52deb9a2d2aaff4e2ac9d47a41f34c2"
"0376591c67807f0477e32549dc341bc7"
"867c09841b6d58e29d0347c996301d55"
"df0d34e47cf68f4e3c2cdaf1d9ab86c3"
),
);
// this test passes, but takes a long time to execute
/*
assert_eq!(
f::<Streebog512, 64>(b"password", b"salt", 16777216),
hex!(
"49e4843bba76e300afe24c4d23dc7392"
"def12f2c0e244172367cd70a8982ac36"
"1adb601c7e2a314e8cb7b1e9df840e36"
"ab5615be5d742b6cf203fb55fdc48071"
),
);
*/
assert_eq!(
f::<Streebog512, 100>(
b"passwordPASSWORDpassword",
b"saltSALTsaltSALTsaltSALTsaltSALTsalt",
4096,
),
hex!(
"b2d8f1245fc4d29274802057e4b54e0a"
"0753aa22fc53760b301cf008679e58fe"
"4bee9addcae99ba2b0b20f431a9c5e50"
"f395c89387d0945aedeca6eb4015dfc2"
"bd2421ee9bb71183ba882ceebfef259f"
"33f9e27dc6178cb89dc37428cf9cc52a"
"2baa2d3a"
),
);
assert_eq!(
f::<Streebog512, 64>(b"pass\0word", b"sa\0lt", 4096),
hex!(
"50df062885b69801a3c10248eb0a27ab"
"6e522ffeb20c991c660f001475d73a4e"
"167f782c18e97e92976d9c1d970831ea"
"78ccb879f67068cdac1910740844e830"
),
);
}

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//! Tests for `password-hash` crate integration.
//!
//! PBKDF2-SHA256 vectors adapted from: https://stackoverflow.com/a/5136918
#![cfg(feature = "simple")]
use hex_literal::hex;
use pbkdf2::{
password_hash::{PasswordHasher, Salt},
Algorithm, Params, Pbkdf2,
};
const PASSWORD: &str = "password";
const SALT_B64: &str = "c2FsdA"; // "salt"
/// Test with `algorithm: None` - uses default PBKDF2-SHA256
#[test]
fn hash_with_default_algorithm() {
// Input:
// P = "password" (8 octets)
// S = "salt" (4 octets)
// c = 4096
// dkLen = 32
let salt = Salt::from_b64(SALT_B64).unwrap();
let params = Params {
rounds: 4096,
output_length: 32,
};
let hash = Pbkdf2
.hash_password_customized(PASSWORD.as_bytes(), None, None, params, salt)
.unwrap();
assert_eq!(hash.algorithm, Algorithm::Pbkdf2Sha256.ident());
assert_eq!(hash.salt.unwrap().as_str(), SALT_B64);
assert_eq!(Params::try_from(&hash).unwrap(), params);
let expected_output = hex!("c5e478d59288c841aa530db6845c4c8d962893a001ce4e11a4963873aa98134a");
assert_eq!(hash.hash.unwrap().as_ref(), expected_output);
}