no-`alloc` core-only "heapless" support
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 20/100
- Issue type
- Feature
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- rust
- Domain
- cryptography
Research direction
Start by reading PR #22 to understand the existing core+alloc work, then trace how num-bigint-dig is represented and used throughout the RSA crate. Evaluate stack-allocated representations such as GenericArray or ArrayVec versus slice references, including the required lifetimes. Done means the crate works in core-only environments and all operations remain within defined numeric bounds.
Written by the indexing model from the issue text.
Description
Right now, there is a PR open (#22) that will allow the RSA crate to be used in core+alloc environments (e.g. environments without libstd, but where a dynamic allocator is available).
The next step is for the RSA crate to support core-only environments. This would require multiple changes: num-bigint-dig would need to be represented either as a stack-allocated array (GenericArray? ArrayVec?) or a slice reference (wooo lifetimes) instead of a heap-allocated vector. Furthermore, we'll need to make extra sure that all the operations are bounded within a certain numeric range.
- Dominant language
- Rust
- Stars
- 673
- Forks
- 190
- PR merge metrics
- No merged PRs in 30d
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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