From e0b744671bf50a3c40683ed1deb8d0b48e10805c Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 26 Mar 2026 06:53:54 +0000
Subject: [PATCH 1/2] Bump sigstore/cosign-installer from 4.0.0 to 4.1.1

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 4.0.0 to 4.1.1.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](https://github.com/sigstore/cosign-installer/compare/faadad0cce49287aee09b3a48701e75088a2c6ad...cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 4.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 .github/workflows/image-publish.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/image-publish.yml b/.github/workflows/image-publish.yml
index a5bc168673..43c9ef68c8 100644
--- a/.github/workflows/image-publish.yml
+++ b/.github/workflows/image-publish.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Install Cosign
-        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad  # v4.0.0
+        uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003  # v4.1.1
         with:
           cosign-release: 'v2.6.1'
       - name: Job information

From 0c5acfc1ad2cf02c7b8c7c4d17b71911089f14c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micka=C3=ABl=20Misbach?= <mickael@misba.ch>
Date: Tue, 31 Mar 2026 14:26:37 +0200
Subject: [PATCH 2/2] test signing and publishing of image

---
 .github/workflows/image-publish.yml | 2 --
 build/build_and_push.sh             | 5 +++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/image-publish.yml b/.github/workflows/image-publish.yml
index 43c9ef68c8..63b3d277ff 100644
--- a/.github/workflows/image-publish.yml
+++ b/.github/workflows/image-publish.yml
@@ -28,8 +28,6 @@ jobs:
     steps:
       - name: Install Cosign
         uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003  # v4.1.1
-        with:
-          cosign-release: 'v2.6.1'
       - name: Job information
         run: |
           echo "Job information"
diff --git a/build/build_and_push.sh b/build/build_and_push.sh
index 97dff81bd0..9a40f2b988 100755
--- a/build/build_and_push.sh
+++ b/build/build_and_push.sh
@@ -52,8 +52,9 @@ else
     echo "Signing docker image ${TAG} (digest: ${DIGEST})..."
     cosign sign --yes "${DIGEST}"
 
-    echo "Verifying signature of docker image ${TAG} (digest: ${DIGEST})..."
-    cosign verify "${DIGEST}" --certificate-identity="${CERT_IDENTITY}" --certificate-oidc-issuer="${CERT_ISSUER}"
+    echo "Verifying signature of docker image ${TAG} (digest: ${DIGEST}) after a 30 seconds wait..."
+    sleep 30 # the signature may not be returned immediately after being published, so as a mitigation we wait for 30 seconds before verifying
+    cosign verify --certificate-identity="${CERT_IDENTITY}" --certificate-oidc-issuer="${CERT_ISSUER}" "${DIGEST}"
 
     echo "Signed and verified signature of docker image ${TAG} (digest: ${DIGEST})..."