Add gitsign verify #262
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Add gitsign verify #262
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This adds a new subcommand that mirrors cosign verify for certificate claim verification. Previously we relied on `git verify-commit` for commit verification. While this did check that the signature was valid and it exists in rekor, it did not check whether the identity was what was expected, because Git does not give controls over this via the commit signature interface. This command provides this functionality. Also adds a warning to the output of the `git verify-commit` output warning users that that verification mechanism may not be complete. Signed-off-by: Billy Lynch <billy@chainguard.dev>
priyawadhwa
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Mar 23, 2023
cpanato
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Mar 23, 2023
hectorj2f
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hectorj2f
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Summary
This adds a new subcommand that mirrors cosign verify for certificate
claim verification.
Previously we relied on
git verify-commitfor commit verification.While this did check that the signature was valid and it exists in
rekor, it did not check whether the identity was what was expected,
because Git does not give controls over this via the commit signature
interface.
This command provides this functionality.
Also adds a warning to the output of the
git verify-commitoutputwarning users that that verification mechanism may not be complete.
Fixes #241
Note: e2e may break - because of the id-token restrictions requiring us to run from main, idk if this actually works yet. I'll fix it if it breaks in another PR.
Release Note
gitsign verifysubcommand for verifying certificate claims.git verify-commitoutput warning about certificate claim checks.Documentation
✅