sha2 0.9.0

Pure Rust implementation of the SHA-2 hash function family including SHA-224, SHA-256, SHA-384, and SHA-512.
Documentation 
[package]
name = "sha2"
version = "0.9.0"
description = """
Pure Rust implementation of the SHA-2 hash function family
including SHA-224, SHA-256, SHA-384, and SHA-512.
"""
authors = ["RustCrypto Developers"]
license = "MIT OR Apache-2.0"
readme = "README.md"
edition = "2018"
documentation = "https://docs.rs/sha2"
repository = "https://github.com/RustCrypto/hashes"
keywords = ["crypto", "sha2", "hash", "digest"]
categories = ["cryptography", "no-std"]

[dependencies]
digest = "0.9"
block-buffer = "0.8"
fake-simd = "0.1"
opaque-debug = "0.2"
sha2-asm = { version = "0.5", optional = true }
libc = { version = "0.2.68", optional = true }

[dev-dependencies]
digest = { version = "0.9", features = ["dev"] }
hex-literal = "0.2"

[features]
default = ["std"]
std = ["digest/std"]
asm = ["sha2-asm"]
compress = []

# TODO: Remove this feature once is_aarch64_feature_detected!() is stabilised.
# Only used on AArch64 Linux systems, when built without the crypto target_feature.
asm-aarch64 = ["asm", "libc"]