Feature/lab3

[vanyaspapayas]

Goal

Complete Lab 3 by implementing commit signing and secret detection mechanisms.

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Changes

• Added submissions/lab3.md
• Added .pre-commit-config.yaml
• Configured SSH commit signing
• Configured pre-commit hooks with gitleaks
• Verified signed commits locally and on GitHub
• Documented findings and reflections

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Testing

Commands executed:

git log --show-signature -1

pre-commit run

git filter-repo --version

Observed results:

• Signed commits were verified successfully
• Secret detection hooks executed correctly
• Commits containing fake secrets were blocked by gitleaks
• git-filter-repo was installed successfully

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Artifacts & Screenshots

Artifacts:

• submissions/lab3.md
• .pre-commit-config.yaml

Screenshots:

• GitHub "Verified" badge for signed commit
• Output of git log --show-signature -1
• gitleaks blocking a commit containing a fake GitHub PAT

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Checklist

• Title is clear (feat(lab3): commit signing and secret detection)
• No secrets or temporary files committed
• Submission file at submissions/lab3.md exists
• .pre-commit-config.yaml is committed
• Signed commits are verified