openwall / openwall/john

Add GPU support for JWT (and HMAC) hashes

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enhancement
Dominant language
C
Stars
13.6k
Forks
2.6k
PR merge metrics
No merged PRs in 30d

Description

There seem to be an increasing use of / demand for these. Very trivial to implement. We need GPU-side mask and compare from 1st version though.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files, tests, or entry points. Locate the existing JWT and HMAC hash implementations and GPU support, then investigate how GPU-side masking and comparison are handled. Done means the requested hashes support GPU-side mask and compare operations.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
cryptography, security
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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