Skip to content

[sec-check] fix: Justfile — verify SHA-256 on cosign install, pin akmods key fetch (verify-image + secureboot recipes) #1174

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.

Sign up for GitHub

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

Open
kubestellar-hive wants to merge 1 commit into
base: main
Choose a base branch
from
+9 −2
Open

[sec-check] fix: Justfile — verify SHA-256 on cosign install, pin akmods key fetch (verify-image + secureboot recipes) #1174

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 9 additions & 2 deletions Justfile
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -484,6 +484,9 @@ verify-container container="" registry="ghcr.io/ublue-os" key="":
trap 'rm -f "${COSIGN_INSTALL_PATH}"' EXIT
curl -fsSL "https://github.com/sigstore/cosign/releases/download/${COSIGN_VERSION}/cosign-linux-amd64" \
-o "${COSIGN_INSTALL_PATH}"
# SHA-256 pinned from upstream cosign_checksums.txt for v3.1.1 — fail closed on mismatch.
COSIGN_SHA256="ae1ecd212663f3693ad9edf8b1a183900c9a52d3155ba6e354237f9a0f6463fc"
echo "${COSIGN_SHA256} ${COSIGN_INSTALL_PATH}" | sha256sum -c -
chmod +x "${COSIGN_INSTALL_PATH}"
${SUDOIF} install -m 0755 "${COSIGN_INSTALL_PATH}" /usr/local/bin/cosign
echo "cosign installed: $(cosign version 2>/dev/null | awk '/GitVersion:/{print $2}')"
Expand Down Expand Up @@ -550,8 +553,12 @@ secureboot $image="bluefin" $tag="testing" $flavor="main":
${PODMAN} rm "$TMP"

# Get the Public Certificates
curl --retry 3 -Lo /tmp/kernel-sign.der https://github.com/ublue-os/akmods/raw/main/certs/public_key.der
curl --retry 3 -Lo /tmp/akmods.der https://github.com/ublue-os/akmods/raw/main/certs/public_key_2.der
# Pinned to akmods commit + SHA-256 (same pin as build_files/base/21-container-native-iso.sh) — fail closed on mismatch.
AKMODS_COMMIT="c30e9467fe158dcf82c5176dec76d4373871ffda"
curl --retry 3 -Lo /tmp/kernel-sign.der "https://raw.githubusercontent.com/ublue-os/akmods/${AKMODS_COMMIT}/certs/public_key.der"
curl --retry 3 -Lo /tmp/akmods.der "https://raw.githubusercontent.com/ublue-os/akmods/${AKMODS_COMMIT}/certs/public_key_2.der"
echo "4e5c68474cb133fd8984d9599762cece9100c3e6cd8a9709aeaabd85dd9e70d1 /tmp/kernel-sign.der" | sha256sum -c -
echo "c01ef5e7fb9f6108fc58735f7eeb4dec084764a8aac404831e0ce3f9da63757d /tmp/akmods.der" | sha256sum -c -
openssl x509 -in /tmp/kernel-sign.der -out /tmp/kernel-sign.crt
openssl x509 -in /tmp/akmods.der -out /tmp/akmods.crt

Expand Down
Loading