mirror of
https://github.com/BLAKE3-team/BLAKE3
synced 2024-11-08 12:59:17 +01:00
54930c9522
Changes since 1.5.0: - The Rust crate is now compatible with Miri. - ~1% performance improvement on Arm NEON contributed by @divinity76 (#384). - Various fixes and improvements in the CMake build. - The MSRV of b3sum is now 1.74.1. (The MSRV of the library crate is unchanged, 1.66.1.)
117 lines
5.0 KiB
INI
117 lines
5.0 KiB
INI
[package]
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name = "blake3"
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version = "1.5.1"
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authors = ["Jack O'Connor <oconnor663@gmail.com>", "Samuel Neves"]
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description = "the BLAKE3 hash function"
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repository = "https://github.com/BLAKE3-team/BLAKE3"
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license = "CC0-1.0 OR Apache-2.0"
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documentation = "https://docs.rs/blake3"
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readme = "README.md"
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edition = "2021"
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[features]
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default = ["std"]
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# The NEON implementation does not participate in dynamic feature detection,
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# which is currently x86-only. If "neon" is on, NEON support is assumed. Note
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# that AArch64 always supports NEON, but support on ARMv7 varies. The NEON
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# implementation uses C intrinsics and requires a C compiler.
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neon = []
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# This crate uses libstd for std::io trait implementations, and also for
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# runtime CPU feature detection. This feature is enabled by default. If you use
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# --no-default-features, the only way to use the SIMD implementations in this
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# crate is to enable the corresponding instruction sets statically for the
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# entire build, with e.g. RUSTFLAGS="-C target-cpu=native".
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std = []
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# The `rayon` feature (disabled by default, but enabled for docs.rs) adds the
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# `update_rayon` and (in combination with `mmap` below) `update_mmap_rayon`
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# methods, for multithreaded hashing. However, even if this feature is enabled,
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# all other APIs remain single-threaded.
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rayon = ["dep:rayon", "std"]
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# The `mmap` feature (disabled by default, but enabled for docs.rs) adds the
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# `update_mmap` and (in combination with `rayon` above) `update_mmap_rayon`
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# helper methods for memory-mapped IO.
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mmap = ["std", "dep:memmap2"]
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# Implement the zeroize::Zeroize trait for types in this crate.
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zeroize = ["dep:zeroize", "arrayvec/zeroize"]
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# This crate implements traits from the RustCrypto project, exposed here as the
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# "traits-preview" feature. However, these traits aren't stable, and they're
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# expected to change in incompatible ways before they reach 1.0. For that
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# reason, this crate makes no SemVer guarantees for this feature, and callers
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# who use it should expect breaking changes between patch versions of this
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# crate. (The "*-preview" feature name follows the conventions of the RustCrypto
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# "signature" crate.)
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traits-preview = ["digest"]
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# ---------- Features below this line are undocumented and unstable. ----------
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# The following features are mainly intended for testing and benchmarking, and
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# they might change or disappear at any time without a major version bump.
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# By default on x86_64, this crate uses Samuel Neves' hand-written assembly
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# implementations for SSE4.1, AVX2, and AVX512. (These provide both the best
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# runtime performance, and the fastest build times.) And by default on 32-bit
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# x86, this crate uses Rust intrinsics implementations for SSE4.1 and AVX2, and
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# a C intrinsics implementation for AVX-512. In both cases, if a C compiler is
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# not detected, or if AVX-512 support is missing from the detected compiler,
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# build.rs automatically falls back to a pure Rust build. This feature forces
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# that fallback, for testing purposes. (Note that in CI testing, we set the
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# BLAKE3_CI environment variable, which instructs build.rs to error out rather
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# than doing an automatic fallback.)
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pure = []
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# As described above, on x86_64 this crate use assembly implementations by
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# default. Enabling the "prefer_intrinsics" feature makes this crate use
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# intrinsics implementations on both 32-bit and 64-bit x86, again for testing
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# purposes.
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prefer_intrinsics = []
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# Disable individual instruction sets. CI testing uses these flags to simulate
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# different levels of hardware SIMD support. Note that code for the
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# corresponding instruction set is still compiled; only detection is disabled.
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#
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# As noted above, these flags are *for testing only* and are not stable. It's
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# possible that some users might find that their particular use case performs
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# better if e.g. AVX-512 is disabled, because of issues like CPU downclocking.
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# If that comes up, and if disabling the instruction set here at the feature
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# level turns out to be the right approach, then we can design a stable
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# feature. Until then, we reserve the right to break these features in a patch
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# release.
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no_sse2 = []
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no_sse41 = []
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no_avx2 = []
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no_avx512 = []
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no_neon = []
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[package.metadata.docs.rs]
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# Document the rayon/mmap methods and the Serialize/Deserialize/Zeroize impls on docs.rs.
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features = ["mmap", "rayon", "serde", "zeroize"]
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[dependencies]
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arrayref = "0.3.5"
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arrayvec = { version = "0.7.4", default-features = false }
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constant_time_eq = "0.3.0"
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cfg-if = "1.0.0"
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digest = { version = "0.10.1", features = [ "mac" ], optional = true }
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memmap2 = { version = "0.9", optional = true }
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rayon = { version = "1.2.1", optional = true }
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serde = { version = "1.0", default-features = false, features = ["derive"], optional = true }
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zeroize = { version = "1", default-features = false, features = ["zeroize_derive"], optional = true }
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[dev-dependencies]
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hmac = "0.12.0"
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hex = "0.4.2"
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page_size = "0.6.0"
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rand = "0.8.0"
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rand_chacha = "0.3.0"
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reference_impl = { path = "./reference_impl" }
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tempfile = "3.8.0"
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serde_json = "1.0.107"
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[build-dependencies]
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cc = "1.0.4"
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