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ECDSA: Use unchecked arithmetic for the tryRecover function #4301

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merged 2 commits into from
Jun 8, 2023
Merged

ECDSA: Use unchecked arithmetic for the tryRecover function #4301

merged 2 commits into from
Jun 8, 2023

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pcaversaccio
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@pcaversaccio pcaversaccio commented Jun 2, 2023

This PR adds the usage of unchecked arithmetic for the tryRecover function that receives the r and vs short-signature fields separately. The addition can't overflow (in my understanding) by design since the shift operation results in 0 or 1.

PR Checklist

  • Tests
  • Documentation
  • Changeset entry (run npx changeset add)

Signed-off-by: Pascal Marco Caversaccio <pascal.caversaccio@hotmail.ch>
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changeset-bot bot commented Jun 2, 2023

🦋 Changeset detected

Latest commit: 08b10b7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
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openzeppelin-solidity Patch

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Click here if you're a maintainer who wants to add another changeset to this PR

Signed-off-by: Pascal Marco Caversaccio <pascal.caversaccio@hotmail.ch>
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@frangio frangio left a comment

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LGTM

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@ernestognw ernestognw left a comment

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Thanks @pcaversaccio

@ernestognw ernestognw merged commit 1d5bcd0 into OpenZeppelin:master Jun 8, 2023
@pcaversaccio pcaversaccio deleted the ecdsa branch June 8, 2023 05:53
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4 participants