Create API to get curve parameters on a group
Nobody has claimed this yet.
- Dominant language
- C
- Stars
- 276
- Forks
- 200
- Avg merge
- 1d 19h
- Merged PRs (30d)
- 7
Description
You are able to call new(:GFp, p, a, b) but are not able to pull those values later.
This becomes a problem when you want to for instance open a curve by name and the the value for field for modular operations. I think we should support a method like OpenSSL::PKey::EC::Group#curve_params => [ :GFp, p, a, b ]
This will require doing a little more work because that getter will first need to query the EC_GROUP_method_of for the group, then if it is GFp or GF2m pull the values of the field, a, b, etc as needed for the curve type. Since creating a new curve this is supported it can be a get only attribute.
Contributor guide
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.
Research direction
Start by locating the OpenSSL::PKey::EC::Group implementation and the existing handling for new(:GFp, p, a, b). Inspect the EC_GROUP method and field-parameter APIs for GFp and GF2m; done means a getter returns the appropriate curve parameters for supported group types.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c, ruby
- Domain
- api, cryptography
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100