Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Use a variable time multiplication for the torsion check #657

Open
wants to merge 1 commit into
base: main
Choose a base branch
from

Conversation

randombit
Copy link
Contributor

As the group order is anyway public, there is no reason to prevent it from leaking to a side channel.

On my laptop (i7-10610U) the benchmark of is_torsion_free improves from 34 μs to 24 μs.

As the group order is anyway public, there is no reason to prevent
it from leaking to a side channel.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

1 participant