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Jonathan Protzenko e5da9ab2c8
gh-99108: Import SHA2-384/512 from HACL* (#101707) 
Replace the builtin hashlib implementations of SHA2-384 and SHA2-512
originally from LibTomCrypt with formally verified, side-channel resistant
code from the [HACL*](https://github.com/hacl-star/hacl-star/) project.
The builtins remain a fallback only used when OpenSSL does not provide them.
2023-02-14 01:25:16 -08:00
..
include gh-99108: Import SHA2-384/512 from HACL* (#101707) 2023-02-14 01:25:16 -08:00
internal gh-99108: Import SHA2-384/512 from HACL* (#101707) 2023-02-14 01:25:16 -08:00
Hacl_Streaming_SHA2.c
Hacl_Streaming_SHA2.h
README.md
refresh.sh

README.md

Algorithm implementations used by the hashlib module.

This code comes from the HACL* project.

HACL* is a cryptographic library that has been formally verified for memory safety, functional correctness, and secret independence.

Updating HACL*

Use the refresh.sh script in this directory to pull in a new upstream code version. The upstream git hash used for the most recent code pull is recorded in the script. Modify the script as needed to bring in more if changes are needed based on upstream code refactoring.

Never manually edit HACL* files. Always add transformation shell code to the refresh.sh script to perform any necessary edits. If there are serious code changes needed, work with the upstream repository.

Local files

  1. ./include/python_hacl_namespaces.h
  2. ./README.md
  3. ./refresh.sh

ACKS