cryptohash-sha256

Fast, pure and practical SHA-256 implementation

https://github.com/hvr/cryptohash-sha256

Version on this page:0.11.100.1@rev:1
LTS Haskell 21.23:0.11.102.1@rev:3
Stackage Nightly 2023-12-08:0.11.102.1@rev:3
Latest on Hackage:0.11.102.1@rev:3

See all snapshots cryptohash-sha256 appears in

BSD-3-Clause licensed
Maintained by Herbert Valerio Riedel
This version can be pinned in stack with:cryptohash-sha256-0.11.100.1@sha256:0fd2d404c8c1cb3b3b3a810a5d5eaf2ade6f1cc7f30b50ae88d7102f5ca78d7b,3077

Module documentation for 0.11.100.1

Depends on 2 packages(full list with versions):
base, bytestring

A practical incremental and one-pass, pure API to the SHA-256 hash algorithm (including HMAC support) with performance close to the fastest implementations available in other languages.

The implementation is made in C with a haskell FFI wrapper that hides the C implementation.

NOTE: This package has been forked off cryptohash-0.11.7 because the cryptohash package has been deprecated and so this package continues to satisfy the need for a lightweight package providing the SHA256 hash algorithm without any dependencies on packages other than base and bytestring.

Consequently, this package can be used as a drop-in replacement for cryptohash's Crypto.Hash.SHA256 module, though with a clearly smaller footprint.

Changes

0.11.100.1

  • Use __builtin_bswap{32,64} only with GCC >= 4.3 (#1)

0.11.100.0

  • new hmac and hmaclazy functions providing HMAC-SHA1 computation conforming to RFC2104 and RFC4231
  • fix unaligned memory-accesses

0.11.7.2

  • switch to ‘safe’ FFI for calls where overhead becomes neglible
  • removed inline assembly in favour of portable C constructs
  • fix 32bit length overflow bug in hash function
  • fix inaccurate context-size
  • add context-size verification to incremental API operations

0.11.7.1

  • first version forked off cryptohash-0.11.7 release
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