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@bdehamer bdehamer commented Sep 22, 2025

Summary

Addresses an issue in the signing logic where the incorrect claim was extracted from the OIDC token when calculating the proof-of-possession for Fulcio.

With the new logic, we'll first check for a (verified) email claim and use that value if present. If not email claim is present it will fallback to using the sub claim.

@bdehamer bdehamer requested a review from a team as a code owner September 22, 2025 22:11
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changeset-bot bot commented Sep 22, 2025

🦋 Changeset detected

Latest commit: 619c77f

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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@sigstore/sign Patch

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Signed-off-by: Brian DeHamer <[email protected]>
@bdehamer bdehamer force-pushed the bdehamer/oidc-subject branch from 08f4905 to 619c77f Compare September 22, 2025 22:12
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lgtm

@bdehamer bdehamer merged commit 55ae624 into main Sep 23, 2025
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@bdehamer bdehamer deleted the bdehamer/oidc-subject branch September 23, 2025 16:19
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4 participants