Security/Container/Cosign: Difference between revisions
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# docker » image » extract digest » sign by digest » push signature | # docker » image » extract digest » sign by digest » push signature | ||
DOCKER_IMAGE_HASH="$(docker inspect ${DOCKER_IMAGE_PATH}|jq -r ${DOCKER_QUERY_PATH})" | DOCKER_IMAGE_HASH="$(docker inspect ${DOCKER_IMAGE_PATH}|jq -r ${DOCKER_QUERY_PATH})" | ||
cosign sign | cosign sign -a 'signed-by=info@chorke.org' -y --key ${HOME}/.config/cosign/cosign.key ${DOCKER_IMAGE_REPO}/${DOCKER_IMAGE_HASH} 2>&1 | tail -n 1 | ||
EXE | EXE | ||
</syntaxhighlight> | </syntaxhighlight> | ||
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<syntaxhighlight lang=" | <syntaxhighlight lang="bash"> | ||
</syntaxhighlight> | </syntaxhighlight> | ||
|valign='top'| | |valign='top'| | ||
<syntaxhighlight lang=" | <syntaxhighlight lang="bash"> | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Latest revision as of 00:24, 27 June 2025
cat <<'EXE'| sudo bash
wget -cq https://github.com/sigstore/cosign/releases/download/v2.5.0/cosign-linux-amd64 -P ${HOME}/Downloads
mv ${HOME}/Downloads/cosign-linux-amd64 /usr/local/bin/cosign
chmod +x /usr/local/bin/cosign
cosign version
cosign --help
EXE
Cosign » Generate » Keys
echo -n 'Password: ';read -s COSIGN_PASSWORD;export COSIGN_PASSWORD;echo
# Password: sadaqah!
cosign generate-key-pair
mkdir -p ${HOME}/.config/cosign
rsync -avz ./cosign.{key,pub} ${HOME}/.config/cosign/
rm -rf ./cosign.{key,pub}
ls -lah ${HOME}/.config/cosign/
Cosign » Sign & Push
echo -n 'Password: ';read -s COSIGN_PASSWORD;export COSIGN_PASSWORD;echo
# Password: sadaqah!
cat << EXE | bash
DOCKER_IMAGE_TAG='1.27'
DOCKER_IMAGE_NAME='nginx'
DOCKER_QUERY_PATH='.[0].RepoDigests[0]'
DOCKER_IMAGE_REPO='harbor.chorke.org/academia'
DOCKER_IMAGE_PATH="${DOCKER_IMAGE_REPO}/${DOCKER_IMAGE_NAME}:${DOCKER_IMAGE_TAG}"
docker push ${DOCKER_IMAGE_PATH} 2>&1 | tail -n 1
# docker » image » extract digest » sign by digest » push signature
DOCKER_IMAGE_HASH="$(docker inspect ${DOCKER_IMAGE_PATH}|jq -r ${DOCKER_QUERY_PATH})"
cosign sign -a 'signed-by=info@chorke.org' -y --key ${HOME}/.config/cosign/cosign.key ${DOCKER_IMAGE_REPO}/${DOCKER_IMAGE_HASH} 2>&1 | tail -n 1
EXE
Playground
cosign generate-key-pair
cosign version
cosign --help
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cosign sign -y harbor.chorke.org/academia/nginx:1.27-alpine-slim
cosign sign -y harbor.chorke.org/academia/nginx:alpine
cosign sign -y harbor.chorke.org/academia/nginx:1.27
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cosign sign -y --key cosign.key harbor.chorke.org/academia/nginx:1.27-alpine-slim
cosign sign -y --key cosign.key harbor.chorke.org/academia/nginx:alpine
cosign sign -y --key cosign.key harbor.chorke.org/academia/nginx:1.27
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docker inspect harbor.chorke.org/academia/nginx:1.27-alpine-slim|jq -r '.[0].RepoDigests[0]'
docker inspect harbor.chorke.org/academia/nginx:1.27-alpine-slim|jq -r '.[0].RepoDigests[ ]'
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References
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