RustCrypto / RustCrypto/crypto-bigint

Implement vartime `Xgcd`

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Dominant language
Rust
Stars
309
Forks
95
Avg merge
1d 14h
Merged PRs (30d)
3

Description

TODO: implement variable time equivalents of the binxgcd algorithm.

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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

Start by locating the existing binxgcd implementation and its tests, since the issue identifies that algorithm as the reference point. Determine the variable-time Xgcd entry point and its expected behavior there; done means the variable-time equivalents are implemented and covered by the relevant tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
cryptography
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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