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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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{"files":{".cargo_vcs_info.json":"4a6647eae78567b5ffee84c768035d1cc1291d305162b99d7add8c72d05a3441","CHANGELOG.md":"3ef44e9baac1fd907756799009f4452ace487c9e80b32518fe2bdb758929255f","Cargo.toml":"44e9d8775828733264ddd041abf6faab096ddc25b4d6138c0274a5c98b000bda","Cargo.toml.orig":"52e3b2e2163a7fa9c44f030daf65707bbcadb5f620657acaa47c7574909a6319","LICENSE-APACHE":"a9040321c3712d8fd0b09cf52b17445de04a23a10165049ae187cd39e5c86be5","LICENSE-MIT":"9c768944eb4a0422ca2efc25ea9fb2fb9e7fbd3fdb04e86b87366339cb7466db","README.md":"b0218e8484d85a340ca0e21c13752355e7a24e17497e62bdb674717f5eb88bec","benches/mod.rs":"f61c6cacfe1a3f70940806d0213572f7887dc1ecc9c1946a868baad3e8a6c341","src/as_bytes.rs":"01e8e60ef0a9b68fa6bae6c1577f3967aef442c245003967604eef7e9ccae5a9","src/consts.rs":"03edc1d4697a6074c9389202324444f27625ef11f17d34cc86b83d0dda920e79","src/lib.rs":"4014e33ab4dbe879ebf8168a4cbe88f71b837589e1cd238fd469e0579337f9ff","src/macros.rs":"4d92b71adb3f464758635fa00058d478b814bb5004e5677055815547acf3a698","src/simd.rs":"79d6d11d14664c908c2f6a2120c23e8de0e0422b610a8b838aa95ba469ef43fc","src/simd/simd_opt.rs":"b254d82005e288f1d07531ef71b2468be0bc70ae9bdba1b46001acac4db283fe","src/simd/simd_opt/u32x4.rs":"f87ab763a2f7a60e0192c9eb16df3fd172f7e1747cd26e081b5e7f074701b13c","src/simd/simd_opt/u64x4.rs":"6f9e371ec300bbb3af4f4f6d9b052257eb4da669b5595b16b17f4710559f5b85","src/simd/simdint.rs":"3b506bb05761752142f61ca8de138958af9a050ddcfe5bbf454dd9a003bf71c3","src/simd/simdop.rs":"6154f31c9675f33ba476eb6d5378deda657afc79ad43be1c9257f4f4306e43ce","src/simd/simdty.rs":"24e6e7eac6005eec0aceec7b96b3a8e04ca695479bfd22e704f51926515f6f13","tests/data/blake2b/fixed.blb":"b8e100fe195f7c201973fdcb6cfcd23cc752f5c8c9431a3076208ec81709d658","tests/data/blake2b/mac.blb":"79b14e080b63c0860823c7837b8b005d9b9fbeab6cd2eaa072621ff377eafd7a","tests/data/blake2b/variable.blb":"c91130bc29c9fad4c952b79c4126bebd752073d033bf41bfe54dd656b37698e9","tests/data/blake2s/mac.blb":"4bca0c66c84951babf34ff95b9d8b0d5f6332403000bbd40cebcc142ff22d832","tests/data/blake2s/variable.blb":"ef88d9f6407013337ac8ed587ec1552b502f1001e029291c6075b40e44e3d63a","tests/mac.rs":"1e5c414e1cd44cc023ea3b7dc8a154fe8a6b36dce496a3b7a5b933e412ed51c0","tests/mod.rs":"d2da3d57ecaddbfcf292fd0475ebfd988efd52f992bd08113ef4b990f961087d","tests/persona.rs":"5e7131d30c3b4a777cc8bd8c74c00cf418d80241da10a7b74e12282c8e3fd775"},"package":"46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"}

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{
"git": {
"sha1": "1f727ce37ff40fa0cce84eb8543a45bdd3ca4a4e"
},
"path_in_vcs": "blake2"
}

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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).
## 0.10.6 (2022-12-16)
### Added
- `size_opt` Cargo feature ([#440])
### Changed
- Implement `KeyInit::new` in terms of `KeyInit::new_from_slice` ([#435])
[#435]: https://github.com/RustCrypto/hashes/pull/435
[#440]: https://github.com/RustCrypto/hashes/pull/440
## 0.10.5 (2022-11-11)
### Fixed
- Implementation of the `KeyInit::new` method for MAC types ([#432])
[#432]: https://github.com/RustCrypto/hashes/pull/432
## 0.10.4 (2022-02-17) [YANKED]
### Fixed
- Bug on big-endian targets ([#366])
[#366]: https://github.com/RustCrypto/hashes/pull/366
## 0.10.3 (2022-02-17) [YANKED]
### Fixed
- Minimal versions build ([#363])
[#363]: https://github.com/RustCrypto/hashes/pull/363
## 0.10.2 (2022-01-09) [YANKED]
## Fixed
- Rare compilation error by adding `'static` bound on `OutSize`. ([#347])
- Values of `KeySize` associated type. ([#349])
[#347]: https://github.com/RustCrypto/hashes/pull/347
[#349]: https://github.com/RustCrypto/hashes/pull/349
## 0.10.1 (2022-01-05) [YANKED]
## Fixed
- Compilation error with enabled `reset` feature. ([#342])
[#342]: https://github.com/RustCrypto/hashes/pull/342
## 0.10.0 (2021-12-07) [YANKED]
### Changed
- Update to `digest` v0.10 and remove dependency on `crypto-mac` ([#217])
- `Blake2b` and `Blake2s` renamed into `Blake2b512` and `Blake2s256` respectively.
New `Blake2b` and `Blake2s` are generic over output size. `VarBlake2b` and `VarBlake2s`
renamed into `Blake2bVar` and `Blake2sVar` respectively. ([#217])
- Hasher reset functionality moved behind a new non-default feature, `reset`.
This must be enabled to use the methods `reset`, `finalize_reset` and `finalize_into_reset`.
### Removed
- `Blake2b` and `Blake2s` no longer support MAC functionality. ([#217])
### Added
- Separate `Blake2bMac` and `Blake2sMac` types generic over output size and `Blake2bMac512`
and `Blake2sMac256` type aliases around them. ([#217])
[#217]: https://github.com/RustCrypto/hashes/pull/217
## 0.9.2 (2021-08-25)
### Fixed
- Building with `simd_opt` on recent nightlies ([#301])
[#301]: https://github.com/RustCrypto/hashes/pull/301
## 0.9.1 (2020-10-26)
### Changed
- Bump `opaque-debug` to v0.3 ([#168])
- Bump `block-buffer` to v0.9 ([#164])
[#168]: https://github.com/RustCrypto/hashes/pull/168
[#164]: https://github.com/RustCrypto/hashes/pull/164
## 0.9.0 (2020-06-10)
### Added
- Support for Persona and Salt ([#78])
### Changed
- Update to `digest` v0.9 release; MSRV 1.41+ ([#155])
- Use new `*Dirty` traits from the `digest` crate ([#153])
- Bump `crypto-mac` to v0.8 release ([#152])
- Bump `block-buffer` to v0.8 release ([#151])
- Rename `*result*` to `finalize` ([#148])
- Upgrade to Rust 2018 edition ([#119])
[#155]: https://github.com/RustCrypto/hashes/pull/155
[#153]: https://github.com/RustCrypto/hashes/pull/153
[#152]: https://github.com/RustCrypto/hashes/pull/152
[#151]: https://github.com/RustCrypto/hashes/pull/151
[#148]: https://github.com/RustCrypto/hashes/pull/148
[#119]: https://github.com/RustCrypto/hashes/pull/133
[#78]: https://github.com/RustCrypto/hashes/pull/78
## 0.8.1 (2019-08-25)
## 0.8.0 (2018-10-11)
## 0.7.1 (2018-04-30)
## 0.7.0 (2017-11-15)
## 0.6.1 (2017-07-24)
## 0.6.0 (2017-06-12)
## 0.5.2 (2017-05-17)
## 0.5.1 (2017-05-02)
## 0.5.0 (2017-04-06)
## 0.4.0 (2017-03-06)
## 0.3.0 (2016-11-17)
## 0.2.0 (2016-10-14)
## 0.1.1 (2016-10-11)
## 0.1.0 (2016-10-09)

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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 = "2018"
name = "blake2"
version = "0.10.6"
authors = ["RustCrypto Developers"]
description = "BLAKE2 hash functions"
documentation = "https://docs.rs/blake2"
readme = "README.md"
keywords = [
"crypto",
"blake2",
"hash",
"digest",
]
categories = [
"cryptography",
"no-std",
]
license = "MIT OR Apache-2.0"
repository = "https://github.com/RustCrypto/hashes"
[dependencies.digest]
version = "0.10.3"
features = ["mac"]
[dev-dependencies.digest]
version = "0.10.3"
features = ["dev"]
[dev-dependencies.hex-literal]
version = "0.2.2"
[features]
default = ["std"]
reset = []
simd = []
simd_asm = ["simd_opt"]
simd_opt = ["simd"]
size_opt = []
std = ["digest/std"]

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Copyright (c) 2015-2016 The blake2-rfc Developers, Cesar Barros
Copyright (c) 2017 Artyom Pavlov
Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
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DEALINGS IN THE SOFTWARE.

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# RustCrypto: BLAKE2
[![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 [BLAKE2 hash function][1] family.
[Documentation][docs-link]
## Minimum Supported Rust Version
Rust **1.41** 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://img.shields.io/crates/v/blake2.svg
[crate-link]: https://crates.io/crates/blake2
[docs-image]: https://docs.rs/blake2/badge.svg
[docs-link]: https://docs.rs/blake2/
[license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
[chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
[chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/260041-hashes
[rustc-image]: https://img.shields.io/badge/rustc-1.41+-blue.svg
[build-image]: https://github.com/RustCrypto/hashes/workflows/blake2/badge.svg?branch=master
[build-link]: https://github.com/RustCrypto/hashes/actions?query=workflow%3Ablake2
[//]: # (general links)
[1]: https://blake2.net/

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#![feature(test)]
extern crate test;
use blake2::{Blake2b512, Blake2s256};
use digest::bench_update;
use test::Bencher;
bench_update!(
Blake2b512::default();
blake2b512_10 10;
blake2b512_100 100;
blake2b512_1000 1000;
blake2b512_10000 10000;
);
bench_update!(
Blake2s256::default();
blake2s256_10 10;
blake2s256_100 100;
blake2s256_1000 1000;
blake2s256_10000 10000;
);

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// Copyright 2016 blake2-rfc Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
use core::mem;
use core::slice;
#[allow(clippy::missing_safety_doc)]
pub unsafe trait Safe {}
pub trait AsBytes {
fn as_bytes(&self) -> &[u8];
fn as_mut_bytes(&mut self) -> &mut [u8];
}
impl<T: Safe> AsBytes for [T] {
#[inline]
fn as_bytes(&self) -> &[u8] {
unsafe {
slice::from_raw_parts(self.as_ptr() as *const u8, self.len() * mem::size_of::<T>())
}
}
#[inline]
fn as_mut_bytes(&mut self) -> &mut [u8] {
unsafe {
slice::from_raw_parts_mut(
self.as_mut_ptr() as *mut u8,
self.len() * mem::size_of::<T>(),
)
}
}
}
unsafe impl Safe for u8 {}
unsafe impl Safe for u16 {}
unsafe impl Safe for u32 {}
unsafe impl Safe for u64 {}
unsafe impl Safe for i8 {}
unsafe impl Safe for i16 {}
unsafe impl Safe for i32 {}
unsafe impl Safe for i64 {}

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#![allow(clippy::unreadable_literal)]
pub static SIGMA: [[usize; 16]; 12] = [
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
[14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3],
[11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4],
[7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8],
[9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13],
[2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9],
[12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11],
[13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10],
[6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5],
[10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0],
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
[14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3],
];
pub static BLAKE2B_IV: [u64; 8] = [
0x6a09e667f3bcc908,
0xbb67ae8584caa73b,
0x3c6ef372fe94f82b,
0xa54ff53a5f1d36f1,
0x510e527fade682d1,
0x9b05688c2b3e6c1f,
0x1f83d9abfb41bd6b,
0x5be0cd19137e2179,
];
/*
pub const BLAKE2B_BLOCKBYTES : usize = 128;
pub const BLAKE2B_OUTBYTES : usize = 64;
pub const BLAKE2B_KEYBYTES : usize = 64;
pub const BLAKE2B_SALTBYTES : usize = 16;
pub const BLAKE2B_PERSONALBYTES : usize = 16;
*/
pub static BLAKE2S_IV: [u32; 8] = [
0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19,
];
/*
pub const BLAKE2S_BLOCKBYTES : usize = 64;
pub const BLAKE2S_OUTBYTES : usize = 32;
pub const BLAKE2S_KEYBYTES : usize = 32;
pub const BLAKE2S_SALTBYTES : usize = 8;
pub const BLAKE2S_PERSONALBYTES : usize = 8;
*/

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//! An implementation of the [BLAKE2][1] hash functions.
//!
//! # Usage
//!
//! [`Blake2b512`] and [`Blake2s256`] can be used in the following way:
//!
//! ```rust
//! use blake2::{Blake2b512, Blake2s256, Digest};
//! use hex_literal::hex;
//!
//! // create a Blake2b512 object
//! let mut hasher = Blake2b512::new();
//!
//! // write input message
//! hasher.update(b"hello world");
//!
//! // read hash digest and consume hasher
//! let res = hasher.finalize();
//! assert_eq!(res[..], hex!("
//! 021ced8799296ceca557832ab941a50b4a11f83478cf141f51f933f653ab9fbc
//! c05a037cddbed06e309bf334942c4e58cdf1a46e237911ccd7fcf9787cbc7fd0
//! ")[..]);
//!
//! // same example for Blake2s256:
//! let mut hasher = Blake2s256::new();
//! hasher.update(b"hello world");
//! let res = hasher.finalize();
//! assert_eq!(res[..], hex!("
//! 9aec6806794561107e594b1f6a8a6b0c92a0cba9acf5e5e93cca06f781813b0b
//! ")[..]);
//! ```
//!
//! Also see [RustCrypto/hashes](https://github.com/RustCrypto/hashes) readme.
//!
//! ## Variable output size
//!
//! This implementation supports run and compile time variable sizes.
//!
//! Run time variable output example:
//! ```rust
//! use blake2::Blake2bVar;
//! use blake2::digest::{Update, VariableOutput};
//! use hex_literal::hex;
//!
//! let mut hasher = Blake2bVar::new(10).unwrap();
//! hasher.update(b"my_input");
//! let mut buf = [0u8; 10];
//! hasher.finalize_variable(&mut buf).unwrap();
//! assert_eq!(buf, hex!("2cc55c84e416924e6400"));
//! ```
//!
//! Compile time variable output example:
//! ```rust
//! use blake2::{Blake2b, Digest, digest::consts::U10};
//! use hex_literal::hex;
//!
//! type Blake2b80 = Blake2b<U10>;
//!
//! let mut hasher = Blake2b80::new();
//! hasher.update(b"my_input");
//! let res = hasher.finalize();
//! assert_eq!(res[..], hex!("2cc55c84e416924e6400")[..]);
//! ```
//!
//! # Acknowledgment
//! Based on the [blake2-rfc][2] crate.
//!
//! [1]: https://en.wikipedia.org/wiki/BLAKE_(hash_function)#BLAKE2
//! [2]: https://github.com/cesarb/blake2-rfc
#![no_std]
#![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"
)]
#![warn(missing_docs, rust_2018_idioms)]
#![cfg_attr(feature = "simd", feature(platform_intrinsics, repr_simd))]
#![cfg_attr(feature = "simd", allow(incomplete_features))]
#[cfg(feature = "std")]
extern crate std;
pub use digest::{self, Digest};
use core::{convert::TryInto, fmt, marker::PhantomData, ops::Div};
use digest::{
block_buffer::{Lazy, LazyBuffer},
consts::{U128, U32, U4, U64},
core_api::{
AlgorithmName, Block, BlockSizeUser, Buffer, BufferKindUser, CoreWrapper,
CtVariableCoreWrapper, OutputSizeUser, RtVariableCoreWrapper, TruncSide, UpdateCore,
VariableOutputCore,
},
crypto_common::{InvalidLength, Key, KeyInit, KeySizeUser},
generic_array::{ArrayLength, GenericArray},
typenum::{IsLessOrEqual, LeEq, NonZero, Unsigned},
FixedOutput, HashMarker, InvalidOutputSize, MacMarker, Output, Update,
};
#[cfg(feature = "reset")]
use digest::{FixedOutputReset, Reset};
mod as_bytes;
mod consts;
mod simd;
#[macro_use]
mod macros;
use as_bytes::AsBytes;
use consts::{BLAKE2B_IV, BLAKE2S_IV};
use simd::{u32x4, u64x4, Vector4};
blake2_impl!(
Blake2bVarCore,
"Blake2b",
u64,
u64x4,
U64,
U128,
32,
24,
16,
63,
BLAKE2B_IV,
"Blake2b instance with a variable output.",
"Blake2b instance with a fixed output.",
);
/// BLAKE2b which allows to choose output size at runtime.
pub type Blake2bVar = RtVariableCoreWrapper<Blake2bVarCore>;
/// Core hasher state of BLAKE2b generic over output size.
pub type Blake2bCore<OutSize> = CtVariableCoreWrapper<Blake2bVarCore, OutSize>;
/// BLAKE2b generic over output size.
pub type Blake2b<OutSize> = CoreWrapper<Blake2bCore<OutSize>>;
/// BLAKE2b-512 hasher state.
pub type Blake2b512 = Blake2b<U64>;
blake2_mac_impl!(Blake2bMac, Blake2bVarCore, U64, "Blake2b MAC function");
/// BLAKE2b-512 MAC state.
pub type Blake2bMac512 = Blake2bMac<U64>;
blake2_impl!(
Blake2sVarCore,
"Blake2s",
u32,
u32x4,
U32,
U64,
16,
12,
8,
7,
BLAKE2S_IV,
"Blake2s instance with a variable output.",
"Blake2s instance with a fixed output.",
);
/// BLAKE2s which allows to choose output size at runtime.
pub type Blake2sVar = RtVariableCoreWrapper<Blake2sVarCore>;
/// Core hasher state of BLAKE2s generic over output size.
pub type Blake2sCore<OutSize> = CtVariableCoreWrapper<Blake2sVarCore, OutSize>;
/// BLAKE2s generic over output size.
pub type Blake2s<OutSize> = CoreWrapper<Blake2sCore<OutSize>>;
/// BLAKE2s-256 hasher state.
pub type Blake2s256 = Blake2s<U32>;
blake2_mac_impl!(Blake2sMac, Blake2sVarCore, U32, "Blake2s MAC function");
/// BLAKE2s-256 MAC state.
pub type Blake2sMac256 = Blake2sMac<U32>;

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macro_rules! blake2_impl {
(
$name:ident, $alg_name:expr, $word:ident, $vec:ident, $bytes:ident,
$block_size:ident, $R1:expr, $R2:expr, $R3:expr, $R4:expr, $IV:expr,
$vardoc:expr, $doc:expr,
) => {
#[derive(Clone)]
#[doc=$vardoc]
pub struct $name {
h: [$vec; 2],
t: u64,
#[cfg(feature = "reset")]
h0: [$vec; 2],
}
impl $name {
#[inline(always)]
fn iv0() -> $vec {
$vec::new($IV[0], $IV[1], $IV[2], $IV[3])
}
#[inline(always)]
fn iv1() -> $vec {
$vec::new($IV[4], $IV[5], $IV[6], $IV[7])
}
/// Creates a new context with the full set of sequential-mode parameters.
pub fn new_with_params(
salt: &[u8],
persona: &[u8],
key_size: usize,
output_size: usize,
) -> Self {
assert!(key_size <= $bytes::to_usize());
assert!(output_size <= $bytes::to_usize());
// The number of bytes needed to express two words.
let length = $bytes::to_usize() / 4;
assert!(salt.len() <= length);
assert!(persona.len() <= length);
// Build a parameter block
let mut p = [0 as $word; 8];
p[0] = 0x0101_0000 ^ ((key_size as $word) << 8) ^ (output_size as $word);
// salt is two words long
if salt.len() < length {
let mut padded_salt =
GenericArray::<u8, <$bytes as Div<U4>>::Output>::default();
for i in 0..salt.len() {
padded_salt[i] = salt[i];
}
p[4] = $word::from_le_bytes(padded_salt[0..length / 2].try_into().unwrap());
p[5] = $word::from_le_bytes(
padded_salt[length / 2..padded_salt.len()]
.try_into()
.unwrap(),
);
} else {
p[4] = $word::from_le_bytes(salt[0..salt.len() / 2].try_into().unwrap());
p[5] =
$word::from_le_bytes(salt[salt.len() / 2..salt.len()].try_into().unwrap());
}
// persona is also two words long
if persona.len() < length {
let mut padded_persona =
GenericArray::<u8, <$bytes as Div<U4>>::Output>::default();
for i in 0..persona.len() {
padded_persona[i] = persona[i];
}
p[6] = $word::from_le_bytes(padded_persona[0..length / 2].try_into().unwrap());
p[7] = $word::from_le_bytes(
padded_persona[length / 2..padded_persona.len()]
.try_into()
.unwrap(),
);
} else {
p[6] = $word::from_le_bytes(persona[0..length / 2].try_into().unwrap());
p[7] = $word::from_le_bytes(
persona[length / 2..persona.len()].try_into().unwrap(),
);
}
let h = [
Self::iv0() ^ $vec::new(p[0], p[1], p[2], p[3]),
Self::iv1() ^ $vec::new(p[4], p[5], p[6], p[7]),
];
$name {
#[cfg(feature = "reset")]
h0: h.clone(),
h,
t: 0,
}
}
fn finalize_with_flag(
&mut self,
final_block: &GenericArray<u8, $block_size>,
flag: $word,
out: &mut Output<Self>,
) {
self.compress(final_block, !0, flag);
let buf = [self.h[0].to_le(), self.h[1].to_le()];
out.copy_from_slice(buf.as_bytes())
}
fn compress(&mut self, block: &Block<Self>, f0: $word, f1: $word) {
use $crate::consts::SIGMA;
#[cfg_attr(not(feature = "size_opt"), inline(always))]
fn quarter_round(v: &mut [$vec; 4], rd: u32, rb: u32, m: $vec) {
v[0] = v[0].wrapping_add(v[1]).wrapping_add(m.from_le());
v[3] = (v[3] ^ v[0]).rotate_right_const(rd);
v[2] = v[2].wrapping_add(v[3]);
v[1] = (v[1] ^ v[2]).rotate_right_const(rb);
}
#[cfg_attr(not(feature = "size_opt"), inline(always))]
fn shuffle(v: &mut [$vec; 4]) {
v[1] = v[1].shuffle_left_1();
v[2] = v[2].shuffle_left_2();
v[3] = v[3].shuffle_left_3();
}
#[cfg_attr(not(feature = "size_opt"), inline(always))]
fn unshuffle(v: &mut [$vec; 4]) {
v[1] = v[1].shuffle_right_1();
v[2] = v[2].shuffle_right_2();
v[3] = v[3].shuffle_right_3();
}
#[cfg_attr(not(feature = "size_opt"), inline(always))]
fn round(v: &mut [$vec; 4], m: &[$word; 16], s: &[usize; 16]) {
quarter_round(v, $R1, $R2, $vec::gather(m, s[0], s[2], s[4], s[6]));
quarter_round(v, $R3, $R4, $vec::gather(m, s[1], s[3], s[5], s[7]));
shuffle(v);
quarter_round(v, $R1, $R2, $vec::gather(m, s[8], s[10], s[12], s[14]));
quarter_round(v, $R3, $R4, $vec::gather(m, s[9], s[11], s[13], s[15]));
unshuffle(v);
}
let mut m: [$word; 16] = Default::default();
let n = core::mem::size_of::<$word>();
for (v, chunk) in m.iter_mut().zip(block.chunks_exact(n)) {
*v = $word::from_ne_bytes(chunk.try_into().unwrap());
}
let h = &mut self.h;
let t0 = self.t as $word;
let t1 = match $bytes::to_u8() {
64 => 0,
32 => (self.t >> 32) as $word,
_ => unreachable!(),
};
let mut v = [
h[0],
h[1],
Self::iv0(),
Self::iv1() ^ $vec::new(t0, t1, f0, f1),
];
round(&mut v, &m, &SIGMA[0]);
round(&mut v, &m, &SIGMA[1]);
round(&mut v, &m, &SIGMA[2]);
round(&mut v, &m, &SIGMA[3]);
round(&mut v, &m, &SIGMA[4]);
round(&mut v, &m, &SIGMA[5]);
round(&mut v, &m, &SIGMA[6]);
round(&mut v, &m, &SIGMA[7]);
round(&mut v, &m, &SIGMA[8]);
round(&mut v, &m, &SIGMA[9]);
if $bytes::to_u8() == 64 {
round(&mut v, &m, &SIGMA[0]);
round(&mut v, &m, &SIGMA[1]);
}
h[0] = h[0] ^ (v[0] ^ v[2]);
h[1] = h[1] ^ (v[1] ^ v[3]);
}
}
impl HashMarker for $name {}
impl BlockSizeUser for $name {
type BlockSize = $block_size;
}
impl BufferKindUser for $name {
type BufferKind = Lazy;
}
impl UpdateCore for $name {
#[inline]
fn update_blocks(&mut self, blocks: &[Block<Self>]) {
for block in blocks {
self.t += block.len() as u64;
self.compress(block, 0, 0);
}
}
}
impl OutputSizeUser for $name {
type OutputSize = $bytes;
}
impl VariableOutputCore for $name {
const TRUNC_SIDE: TruncSide = TruncSide::Left;
#[inline]
fn new(output_size: usize) -> Result<Self, InvalidOutputSize> {
if output_size > Self::OutputSize::USIZE {
return Err(InvalidOutputSize);
}
Ok(Self::new_with_params(&[], &[], 0, output_size))
}
#[inline]
fn finalize_variable_core(
&mut self,
buffer: &mut Buffer<Self>,
out: &mut Output<Self>,
) {
self.t += buffer.get_pos() as u64;
let block = buffer.pad_with_zeros();
self.finalize_with_flag(block, 0, out);
}
}
#[cfg(feature = "reset")]
impl Reset for $name {
fn reset(&mut self) {
self.h = self.h0;
self.t = 0;
}
}
impl AlgorithmName for $name {
#[inline]
fn write_alg_name(f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str($alg_name)
}
}
impl fmt::Debug for $name {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(concat!(stringify!($name), " { ... }"))
}
}
};
}
macro_rules! blake2_mac_impl {
(
$name:ident, $hash:ty, $max_size:ty, $doc:expr
) => {
#[derive(Clone)]
#[doc=$doc]
pub struct $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
core: $hash,
buffer: LazyBuffer<<$hash as BlockSizeUser>::BlockSize>,
#[cfg(feature = "reset")]
key_block: Key<Self>,
_out: PhantomData<OutSize>,
}
impl<OutSize> $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
/// Create new instance using provided key, salt, and persona.
///
/// Key length should not be bigger than block size, salt and persona
/// length should not be bigger than quarter of block size. If any
/// of those conditions is false the method will return an error.
#[inline]
pub fn new_with_salt_and_personal(
key: &[u8],
salt: &[u8],
persona: &[u8],
) -> Result<Self, InvalidLength> {
let kl = key.len();
let bs = <$hash as BlockSizeUser>::BlockSize::USIZE;
let qbs = bs / 4;
if kl > bs || salt.len() > qbs || persona.len() > qbs {
return Err(InvalidLength);
}
let mut padded_key = Block::<$hash>::default();
padded_key[..kl].copy_from_slice(key);
Ok(Self {
core: <$hash>::new_with_params(salt, persona, key.len(), OutSize::USIZE),
buffer: LazyBuffer::new(&padded_key),
#[cfg(feature = "reset")]
key_block: {
let mut t = Key::<Self>::default();
t[..kl].copy_from_slice(key);
t
},
_out: PhantomData,
})
}
}
impl<OutSize> KeySizeUser for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
type KeySize = $max_size;
}
impl<OutSize> KeyInit for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
#[inline]
fn new(key: &Key<Self>) -> Self {
Self::new_from_slice(key).expect("Key has correct length")
}
#[inline]
fn new_from_slice(key: &[u8]) -> Result<Self, InvalidLength> {
let kl = key.len();
if kl > <Self as KeySizeUser>::KeySize::USIZE {
return Err(InvalidLength);
}
let mut padded_key = Block::<$hash>::default();
padded_key[..kl].copy_from_slice(key);
Ok(Self {
core: <$hash>::new_with_params(&[], &[], key.len(), OutSize::USIZE),
buffer: LazyBuffer::new(&padded_key),
#[cfg(feature = "reset")]
key_block: {
let mut t = Key::<Self>::default();
t[..kl].copy_from_slice(key);
t
},
_out: PhantomData,
})
}
}
impl<OutSize> Update for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
#[inline]
fn update(&mut self, input: &[u8]) {
let Self { core, buffer, .. } = self;
buffer.digest_blocks(input, |blocks| core.update_blocks(blocks));
}
}
impl<OutSize> OutputSizeUser for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size> + 'static,
LeEq<OutSize, $max_size>: NonZero,
{
type OutputSize = OutSize;
}
impl<OutSize> FixedOutput for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size> + 'static,
LeEq<OutSize, $max_size>: NonZero,
{
#[inline]
fn finalize_into(mut self, out: &mut Output<Self>) {
let Self { core, buffer, .. } = &mut self;
let mut full_res = Default::default();
core.finalize_variable_core(buffer, &mut full_res);
out.copy_from_slice(&full_res[..OutSize::USIZE]);
}
}
#[cfg(feature = "reset")]
impl<OutSize> Reset for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
fn reset(&mut self) {
self.core.reset();
let kl = self.key_block.len();
let mut padded_key = Block::<$hash>::default();
padded_key[..kl].copy_from_slice(&self.key_block);
self.buffer = LazyBuffer::new(&padded_key);
}
}
#[cfg(feature = "reset")]
impl<OutSize> FixedOutputReset for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
#[inline]
fn finalize_into_reset(&mut self, out: &mut Output<Self>) {
let Self { core, buffer, .. } = self;
let mut full_res = Default::default();
core.finalize_variable_core(buffer, &mut full_res);
out.copy_from_slice(&full_res[..OutSize::USIZE]);
self.reset();
}
}
impl<OutSize> MacMarker for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
}
impl<OutSize> fmt::Debug for $name<OutSize>
where
OutSize: ArrayLength<u8> + IsLessOrEqual<$max_size>,
LeEq<OutSize, $max_size>: NonZero,
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}{} {{ ... }}", stringify!($name), OutSize::USIZE)
}
}
};
}

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// Copyright 2015 blake2-rfc Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
mod simd_opt;
mod simdint;
mod simdop;
mod simdty;
pub use self::simdty::{u32x4, u64x4};
pub trait Vector4<T>: Copy {
fn gather(src: &[T], i0: usize, i1: usize, i2: usize, i3: usize) -> Self;
#[allow(clippy::wrong_self_convention)]
fn from_le(self) -> Self;
fn to_le(self) -> Self;
fn wrapping_add(self, rhs: Self) -> Self;
fn rotate_right_const(self, n: u32) -> Self;
fn shuffle_left_1(self) -> Self;
fn shuffle_left_2(self) -> Self;
fn shuffle_left_3(self) -> Self;
#[inline(always)]
fn shuffle_right_1(self) -> Self {
self.shuffle_left_3()
}
#[inline(always)]
fn shuffle_right_2(self) -> Self {
self.shuffle_left_2()
}
#[inline(always)]
fn shuffle_right_3(self) -> Self {
self.shuffle_left_1()
}
}
macro_rules! impl_vector4 {
($vec:ident, $word:ident) => {
impl Vector4<$word> for $vec {
#[inline(always)]
fn gather(src: &[$word], i0: usize, i1: usize, i2: usize, i3: usize) -> Self {
$vec::new(src[i0], src[i1], src[i2], src[i3])
}
#[cfg(target_endian = "little")]
#[inline(always)]
fn from_le(self) -> Self {
self
}
#[cfg(not(target_endian = "little"))]
#[inline(always)]
fn from_le(self) -> Self {
$vec::new(
$word::from_le(self.0),
$word::from_le(self.1),
$word::from_le(self.2),
$word::from_le(self.3),
)
}
#[cfg(target_endian = "little")]
#[inline(always)]
fn to_le(self) -> Self {
self
}
#[cfg(not(target_endian = "little"))]
#[inline(always)]
fn to_le(self) -> Self {
$vec::new(
self.0.to_le(),
self.1.to_le(),
self.2.to_le(),
self.3.to_le(),
)
}
#[inline(always)]
fn wrapping_add(self, rhs: Self) -> Self {
self + rhs
}
#[inline(always)]
fn rotate_right_const(self, n: u32) -> Self {
simd_opt::$vec::rotate_right_const(self, n)
}
#[cfg(feature = "simd")]
#[inline(always)]
fn shuffle_left_1(self) -> Self {
use crate::simd::simdint::simd_shuffle4;
const IDX: [u32; 4] = [1, 2, 3, 0];
unsafe { simd_shuffle4(self, self, IDX) }
}
#[cfg(not(feature = "simd"))]
#[inline(always)]
fn shuffle_left_1(self) -> Self {
$vec::new(self.1, self.2, self.3, self.0)
}
#[cfg(feature = "simd")]
#[inline(always)]
fn shuffle_left_2(self) -> Self {
use crate::simd::simdint::simd_shuffle4;
const IDX: [u32; 4] = [2, 3, 0, 1];
unsafe { simd_shuffle4(self, self, IDX) }
}
#[cfg(not(feature = "simd"))]
#[inline(always)]
fn shuffle_left_2(self) -> Self {
$vec::new(self.2, self.3, self.0, self.1)
}
#[cfg(feature = "simd")]
#[inline(always)]
fn shuffle_left_3(self) -> Self {
use crate::simd::simdint::simd_shuffle4;
const IDX: [u32; 4] = [3, 0, 1, 2];
unsafe { simd_shuffle4(self, self, IDX) }
}
#[cfg(not(feature = "simd"))]
#[inline(always)]
fn shuffle_left_3(self) -> Self {
$vec::new(self.3, self.0, self.1, self.2)
}
}
};
}
impl_vector4!(u32x4, u32);
impl_vector4!(u64x4, u64);

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// Copyright 2015 blake2-rfc Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
#[allow(unused_macros)]
#[cfg(feature = "simd")]
macro_rules! transmute_shuffle {
($tmp:ident, $shuffle:ident, $vec:expr, $idx_n:expr, $idx:expr) => {
unsafe {
use crate::simd::simdint::$shuffle;
use crate::simd::simdty::$tmp;
use core::mem::transmute;
const IDX: [u32; $idx_n] = $idx;
let tmp_i: $tmp = transmute($vec);
let tmp_o: $tmp = $shuffle(tmp_i, tmp_i, IDX);
transmute(tmp_o)
}
};
}
#[cfg(feature = "simd")]
pub mod u32x4;
#[cfg(feature = "simd")]
pub mod u64x4;
#[cfg(not(feature = "simd"))]
macro_rules! simd_opt {
($vec:ident) => {
pub mod $vec {
use crate::simd::simdty::$vec;
#[inline(always)]
pub fn rotate_right_const(vec: $vec, n: u32) -> $vec {
$vec::new(
vec.0.rotate_right(n),
vec.1.rotate_right(n),
vec.2.rotate_right(n),
vec.3.rotate_right(n),
)
}
}
};
}
#[cfg(not(feature = "simd"))]
simd_opt!(u32x4);
#[cfg(not(feature = "simd"))]
simd_opt!(u64x4);

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// Copyright 2015 blake2-rfc Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
use crate::simd::simdty::u32x4;
#[cfg(feature = "simd_opt")]
#[inline(always)]
pub fn rotate_right_const(vec: u32x4, n: u32) -> u32x4 {
match n {
16 => rotate_right_16(vec),
8 => rotate_right_8(vec),
_ => rotate_right_any(vec, n),
}
}
#[cfg(not(feature = "simd_opt"))]
#[inline(always)]
pub fn rotate_right_const(vec: u32x4, n: u32) -> u32x4 {
rotate_right_any(vec, n)
}
#[inline(always)]
fn rotate_right_any(vec: u32x4, n: u32) -> u32x4 {
let r = n as u32;
let l = 32 - r;
(vec >> u32x4::new(r, r, r, r)) ^ (vec << u32x4::new(l, l, l, l))
}
#[cfg(feature = "simd_opt")]
#[inline(always)]
fn rotate_right_16(vec: u32x4) -> u32x4 {
if cfg!(target_feature = "ssse3") {
// pshufb (SSSE3) / vpshufb (AVX2)
transmute_shuffle!(
u8x16,
simd_shuffle16,
vec,
16,
[2, 3, 0, 1, 6, 7, 4, 5, 10, 11, 8, 9, 14, 15, 12, 13]
)
} else if cfg!(any(target_feature = "sse2", target_feature = "neon")) {
// pshuflw+pshufhw (SSE2) / vrev (NEON)
transmute_shuffle!(u16x8, simd_shuffle8, vec, 8, [1, 0, 3, 2, 5, 4, 7, 6])
} else {
rotate_right_any(vec, 16)
}
}
#[cfg(feature = "simd_opt")]
#[inline(always)]
fn rotate_right_8(vec: u32x4) -> u32x4 {
if cfg!(target_feature = "ssse3") {
// pshufb (SSSE3) / vpshufb (AVX2)
transmute_shuffle!(
u8x16,
simd_shuffle16,
vec,
16,
[1, 2, 3, 0, 5, 6, 7, 4, 9, 10, 11, 8, 13, 14, 15, 12]
)
} else {
rotate_right_any(vec, 8)
}
}

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// Copyright 2015 blake2-rfc Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
use crate::simd::simdty::u64x4;
#[cfg(feature = "simd_opt")]
#[inline(always)]
pub fn rotate_right_const(vec: u64x4, n: u32) -> u64x4 {
match n {
32 => rotate_right_32(vec),
24 => rotate_right_24(vec),
16 => rotate_right_16(vec),
_ => rotate_right_any(vec, n),
}
}
#[cfg(not(feature = "simd_opt"))]
#[inline(always)]
pub fn rotate_right_const(vec: u64x4, n: u32) -> u64x4 {
rotate_right_any(vec, n)
}
#[inline(always)]
fn rotate_right_any(vec: u64x4, n: u32) -> u64x4 {
let r = n as u64;
let l = 64 - r;
(vec >> u64x4::new(r, r, r, r)) ^ (vec << u64x4::new(l, l, l, l))
}
#[cfg(feature = "simd_opt")]
#[inline(always)]
fn rotate_right_32(vec: u64x4) -> u64x4 {
if cfg!(any(target_feature = "sse2", target_feature = "neon")) {
// 2 x pshufd (SSE2) / vpshufd (AVX2) / 2 x vrev (NEON)
transmute_shuffle!(u32x8, simd_shuffle8, vec, 8, [1, 0, 3, 2, 5, 4, 7, 6])
} else {
rotate_right_any(vec, 32)
}
}
#[cfg(feature = "simd_opt")]
#[inline(always)]
fn rotate_right_24(vec: u64x4) -> u64x4 {
if cfg!(all(
feature = "simd_asm",
target_feature = "neon",
target_arch = "arm"
)) {
// 4 x vext (NEON)
rotate_right_vext(vec, 3)
} else if cfg!(target_feature = "ssse3") {
// 2 x pshufb (SSSE3) / vpshufb (AVX2)
transmute_shuffle!(
u8x32,
simd_shuffle32,
vec,
32,
[
3, 4, 5, 6, 7, 0, 1, 2, 11, 12, 13, 14, 15, 8, 9, 10, 19, 20, 21, 22, 23, 16, 17,
18, 27, 28, 29, 30, 31, 24, 25, 26
]
)
} else {
rotate_right_any(vec, 24)
}
}
#[cfg(feature = "simd_opt")]
#[inline(always)]
fn rotate_right_16(vec: u64x4) -> u64x4 {
if cfg!(all(
feature = "simd_asm",
target_feature = "neon",
target_arch = "arm"
)) {
// 4 x vext (NEON)
rotate_right_vext(vec, 2)
} else if cfg!(target_feature = "ssse3") {
// 2 x pshufb (SSSE3) / vpshufb (AVX2)
transmute_shuffle!(
u8x32,
simd_shuffle32,
vec,
32,
[
2, 3, 4, 5, 6, 7, 0, 1, 10, 11, 12, 13, 14, 15, 8, 9, 18, 19, 20, 21, 22, 23, 16,
17, 26, 27, 28, 29, 30, 31, 24, 25
]
)
} else if cfg!(target_feature = "sse2") {
// 2 x pshuflw+pshufhw (SSE2)
transmute_shuffle!(
u16x16,
simd_shuffle16,
vec,
16,
[1, 2, 3, 0, 5, 6, 7, 4, 9, 10, 11, 8, 13, 14, 15, 12]
)
} else {
rotate_right_any(vec, 16)
}
}
#[cfg(all(feature = "simd_asm", target_feature = "neon", target_arch = "arm"))]
mod simd_asm_neon_arm {
use crate::simd::simdty::{u64x2, u64x4};
#[inline(always)]
fn vext_u64(vec: u64x2, b: u8) -> u64x2 {
unsafe {
let result: u64x2;
asm!("vext.8 ${0:e}, ${1:e}, ${1:e}, $2\nvext.8 ${0:f}, ${1:f}, ${1:f}, $2"
: "=w" (result)
: "w" (vec), "n" (b));
result
}
}
#[inline(always)]
pub fn rotate_right_vext(vec: u64x4, b: u8) -> u64x4 {
use crate::simd::simdint::{simd_shuffle2, simd_shuffle4};
unsafe {
let tmp0 = vext_u64(simd_shuffle2(vec, vec, [0, 1]), b);
let tmp1 = vext_u64(simd_shuffle2(vec, vec, [2, 3]), b);
simd_shuffle4(tmp0, tmp1, [0, 1, 2, 3])
}
}
}
#[cfg(all(feature = "simd_asm", target_feature = "neon", target_arch = "arm"))]
use self::simd_asm_neon_arm::rotate_right_vext;
#[cfg(feature = "simd_opt")]
#[cfg(not(all(feature = "simd_asm", target_feature = "neon", target_arch = "arm")))]
fn rotate_right_vext(_vec: u64x4, _n: u8) -> u64x4 {
unreachable!()
}

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// Copyright 2015 blake2-rfc Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
#![allow(dead_code)]
#[cfg(feature = "simd")]
extern "platform-intrinsic" {
pub fn simd_add<T>(x: T, y: T) -> T;
pub fn simd_shl<T>(x: T, y: T) -> T;
pub fn simd_shr<T>(x: T, y: T) -> T;
pub fn simd_xor<T>(x: T, y: T) -> T;
pub fn simd_shuffle2<T, U>(v: T, w: T, idx: [u32; 2]) -> U;
pub fn simd_shuffle4<T, U>(v: T, w: T, idx: [u32; 4]) -> U;
pub fn simd_shuffle8<T, U>(v: T, w: T, idx: [u32; 8]) -> U;
pub fn simd_shuffle16<T, U>(v: T, w: T, idx: [u32; 16]) -> U;
pub fn simd_shuffle32<T, U>(v: T, w: T, idx: [u32; 32]) -> U;
}

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// Copyright 2015 blake2-rfc Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
#[cfg(feature = "simd")]
use crate::simd::simdint;
use crate::simd::simdty::{u32x4, u64x4};
use core::ops::{Add, BitXor, Shl, Shr};
macro_rules! impl_ops {
($vec:ident) => {
impl Add for $vec {
type Output = Self;
#[cfg(feature = "simd")]
#[inline(always)]
fn add(self, rhs: Self) -> Self::Output {
unsafe { simdint::simd_add(self, rhs) }
}
#[cfg(not(feature = "simd"))]
#[inline(always)]
fn add(self, rhs: Self) -> Self::Output {
$vec::new(
self.0.wrapping_add(rhs.0),
self.1.wrapping_add(rhs.1),
self.2.wrapping_add(rhs.2),
self.3.wrapping_add(rhs.3),
)
}
}
impl BitXor for $vec {
type Output = Self;
#[cfg(feature = "simd")]
#[inline(always)]
fn bitxor(self, rhs: Self) -> Self::Output {
unsafe { simdint::simd_xor(self, rhs) }
}
#[cfg(not(feature = "simd"))]
#[inline(always)]
fn bitxor(self, rhs: Self) -> Self::Output {
$vec::new(
self.0 ^ rhs.0,
self.1 ^ rhs.1,
self.2 ^ rhs.2,
self.3 ^ rhs.3,
)
}
}
impl Shl<$vec> for $vec {
type Output = Self;
#[cfg(feature = "simd")]
#[inline(always)]
fn shl(self, rhs: Self) -> Self::Output {
unsafe { simdint::simd_shl(self, rhs) }
}
#[cfg(not(feature = "simd"))]
#[inline(always)]
fn shl(self, rhs: Self) -> Self::Output {
$vec::new(
self.0 << rhs.0,
self.1 << rhs.1,
self.2 << rhs.2,
self.3 << rhs.3,
)
}
}
impl Shr<$vec> for $vec {
type Output = Self;
#[cfg(feature = "simd")]
#[inline(always)]
fn shr(self, rhs: Self) -> Self::Output {
unsafe { simdint::simd_shr(self, rhs) }
}
#[cfg(not(feature = "simd"))]
#[inline(always)]
fn shr(self, rhs: Self) -> Self::Output {
$vec::new(
self.0 >> rhs.0,
self.1 >> rhs.1,
self.2 >> rhs.2,
self.3 >> rhs.3,
)
}
}
};
}
impl_ops!(u32x4);
impl_ops!(u64x4);

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// Copyright 2016 blake2-rfc Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
#![allow(dead_code, non_camel_case_types)]
use crate::as_bytes::Safe;
#[cfg(feature = "simd")]
macro_rules! decl_simd {
($($decl:item)*) => {
$(
#[derive(Clone, Copy, Debug)]
#[repr(simd)]
$decl
)*
}
}
#[cfg(not(feature = "simd"))]
macro_rules! decl_simd {
($($decl:item)*) => {
$(
#[derive(Clone, Copy, Debug)]
#[repr(C)]
$decl
)*
}
}
decl_simd! {
pub struct Simd2<T>(pub T, pub T);
pub struct Simd4<T>(pub T, pub T, pub T, pub T);
pub struct Simd8<T>(pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T);
pub struct Simd16<T>(pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T);
pub struct Simd32<T>(pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T,
pub T, pub T, pub T, pub T);
}
pub type u64x2 = Simd2<u64>;
pub type u32x4 = Simd4<u32>;
pub type u64x4 = Simd4<u64>;
pub type u16x8 = Simd8<u16>;
pub type u32x8 = Simd8<u32>;
pub type u8x16 = Simd16<u8>;
pub type u16x16 = Simd16<u16>;
pub type u8x32 = Simd32<u8>;
impl<T> Simd4<T> {
#[inline(always)]
pub fn new(e0: T, e1: T, e2: T, e3: T) -> Simd4<T> {
Simd4(e0, e1, e2, e3)
}
}
unsafe impl<T: Safe> Safe for Simd2<T> {}
unsafe impl<T: Safe> Safe for Simd4<T> {}
unsafe impl<T: Safe> Safe for Simd8<T> {}
unsafe impl<T: Safe> Safe for Simd16<T> {}
unsafe impl<T: Safe> Safe for Simd32<T> {}

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{"name":"blake2","vers":"0.10.6","deps":[{"name":"digest","req":"^0.10.3","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":"digest","req":"^0.10.3","features":["dev"],"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":"hex-literal","req":"^0.2.2","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":["std"],"reset":[],"simd":[],"simd_asm":["simd_opt"],"simd_opt":["simd"],"size_opt":[],"std":["digest/std"]},"features2":null,"cksum":"0638f0694eec8e60c019403cf001df4d4f100e4f6a710ecc163fcc350b455ce0","yanked":null,"links":null,"rust_version":null,"v":2}

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#[cfg(not(feature = "reset"))]
use digest::new_mac_test as new_test;
#[cfg(feature = "reset")]
use digest::new_resettable_mac_test as new_test;
new_test!(blake2b_mac, "blake2b/mac", blake2::Blake2bMac512);
new_test!(blake2s_mac, "blake2s/mac", blake2::Blake2sMac256);
#[test]
fn blake2b_new_test() {
use blake2::digest::{generic_array::GenericArray, KeyInit, Mac};
fn run<T: Mac + KeyInit>(key: &[u8]) {
const DATA: &[u8] = &[42; 300];
let res1 = <T as Mac>::new(GenericArray::from_slice(key))
.chain_update(DATA)
.finalize()
.into_bytes();
let res2 = <T as Mac>::new_from_slice(&key)
.unwrap()
.chain_update(DATA)
.finalize()
.into_bytes();
assert_eq!(res1, res2);
}
run::<blake2::Blake2sMac256>(&[0x42; 32]);
run::<blake2::Blake2bMac512>(&[0x42; 64]);
}

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#[cfg(feature = "reset")]
use digest::dev::{fixed_reset_test as fixed_fn, variable_reset_test as varaible_fn};
#[cfg(not(feature = "reset"))]
use digest::dev::{fixed_test as fixed_fn, variable_test as varaible_fn};
use digest::new_test;
new_test!(blake2b_fixed, "blake2b/fixed", blake2::Blake2b512, fixed_fn,);
new_test!(
blake2b_variable,
"blake2b/variable",
blake2::Blake2bVar,
varaible_fn,
);
new_test!(
blake2s_variable,
"blake2s/variable",
blake2::Blake2sVar,
varaible_fn,
);

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use blake2::{digest::FixedOutput, Blake2bMac512, Blake2sMac256};
use hex_literal::hex;
#[test]
#[rustfmt::skip]
fn blake2s_persona() {
let key= hex!("
000102030405060708090a0b0c0d0e0f
101112131415161718191a1b1c1d1e1f
");
let persona = b"personal";
let ctx = Blake2sMac256::new_with_salt_and_personal(&key, &[], persona).unwrap();
assert_eq!(
ctx.finalize_fixed()[..],
hex!("
25a4ee63b594aed3f88a971e1877ef70
99534f9097291f88fb86c79b5e70d022
")[..],
);
}
#[test]
#[rustfmt::skip]
fn blake2b_persona() {
let key = hex!("
000102030405060708090a0b0c0d0e0f
101112131415161718191a1b1c1d1e1f
");
let persona = b"personal";
let ctx = Blake2bMac512::new_with_salt_and_personal(&key, &[], persona).unwrap();
assert_eq!(
ctx.finalize_fixed()[..],
hex!("
03de3b295dcfc3b25b05abb09bc95fe3
e9ff3073638badc68101d1e42019d077
1dd07525a3aae8318e92c5e5d967ba92
e4810d0021d7bf3b49da0b4b4a8a4e1f
")[..],
);
}