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v2.2.3

Bug Fixes

  • Fix race condition on verification with multiple signatures attached to image (#3486)
  • fix(clean): Fix clean cmd for private registries (#3446)
  • Fixed BYO PKI verification (#3427)

Features

  • Allow for option in cosign attest and attest-blob to upload attestation as supported in Rekor (#3466)
  • Add support for OpenVEX predicate type (#3405)

Documentation

  • Resolves #3088: version sub-command expected behaviour documentation and testing (#3447)
  • add examples for cosign attach signature cmd (#3468)

Misc

  • Remove CertSubject function (#3467)
  • Use local rekor and fulcio instances in e2e tests (#3478)

Contributors

  • aalsabag
  • Bob Callaway
  • Carlos Tadeu Panato Junior
  • Colleen Murphy
  • Hayden B
  • Mukuls77
  • Omri Bornstein
  • Puerco
  • vivek kumar sahu

v2.2.2

v2.2.2 adds a new container with a shell, gcr.io/projectsigstore/cosign:vx.y.z-dev, in addition to the existing container gcr.io/projectsigstore/cosign:vx.y.z without a shell.

For private deployments, we have also added an alias for --insecure-skip-log, --private-infrastructure.

Bug Fixes

  • chore(deps): bump github.com/sigstore/sigstore from 1.7.5 to 1.7.6 (#3411) which fixes a bug with using Azure KMS
  • Don't require CT log keys if using a key/sk (#3415)
  • Fix copy without any flag set (#3409)
  • Update cosign generate cmd to not include newline (#3393)
  • Fix idempotency error with signing (#3371)

Features

  • Add --yes flag cosign import-key-pair to skip the overwrite confirmation. (#3383)
  • Use the timeout flag value in verify* commands. (#3391)
  • add --private-infrastructure flag (#3369)

Container Updates

  • Bump builder image to use go1.21.4 and add new cosign image tags with shell (#3373)

Documentation

  • Update SBOM_SPEC.md (#3358)

Contributors

  • Carlos Tadeu Panato Junior
  • Dylan Richardson
  • Hayden B
  • Lily Sturmann
  • Nikos Fotiou
  • Yonghe Zhao

v2.2.1

Note: This release comes with a fix for CVE-2023-46737 described in this Github Security Advisory. Please upgrade to this release ASAP

Enhancements

  • feat: Support basic auth and bearer auth login to registry (#3310)
  • add support for ignoring certificates with pkcs11 (#3334)
  • Support ReplaceOp in Signatures (#3315)
  • feat: added ability to get image digest back via triangulate (#3255)
  • feat: add --only flag in cosign copy to copy sign, att & sbom (#3247)
  • feat: add support attaching a Rekor bundle to a container (#3246)
  • feat: add support outputting rekor response on signing (#3248)
  • feat: improve dockerfile verify subcommand (#3264)
  • Add guard flag for experimental OCI 1.1 verify. (#3272)
  • Deprecate SBOM attachments (#3256)
  • feat: dedent line in cosign copy doc (#3244)
  • feat: add platform flag to cosign copy command (#3234)
  • Add SLSA 1.0 attestation support to cosign. Closes #2860 (#3219)
  • attest: pass OCI remote opts to att resolver. (#3225)

Bug Fixes

  • Merge pull request from GHSA-vfp6-jrw2-99g9
  • fix: allow cosign download sbom when image is absent (#3245)
  • ci: add a OCI registry test for referrers support (#3253)
  • Fix ReplaceSignatures (#3292)
  • Stop using deprecated in_toto.ProvenanceStatement (#3243)
  • Fixes #3236, disable SCT checking for a cosign verification when usin… (#3237)
  • fix: update error in SignedEntity to be more descriptive (#3233)
  • Fail timestamp verification if no root is provided (#3224)

Documentation

  • Add some docs about verifying in an air-gapped environment (#3321)
  • Update CONTRIBUTING.md (#3268)
  • docs: improves the Contribution guidelines (#3257)
  • Remove security policy (#3230)

Others

  • Set go to min 1.21 and update dependencies (#3327)
  • Update contact for code of conduct (#3266)
  • Update .ko.yaml (#3240)

Contributors

  • AdamKorcz
  • Andres Galante
  • Appu
  • Billy Lynch
  • Bob Callaway
  • Caleb Woodbine
  • Carlos Tadeu Panato Junior
  • Dylan Richardson
  • Gareth Healy
  • Hayden B
  • John Kjell
  • Jon Johnson
  • jonvnadelberg
  • Luiz Carvalho
  • Priya Wadhwa
  • Ramkumar Chinchani
  • Tosone
  • Ville Aikas
  • Vishal Choudhary
  • ziel

v2.2.0

Enhancements

  • switch to uploading DSSE types to rekor instead of intoto (#3113)
  • add 'cosign sign' command-line parameters for mTLS (#3052)
  • improve error messages around bundle != payload hash (#3146)
  • make VerifyImageAttestation function public (#3156)
  • Switch to cryptoutils function for SANS (#3185)
  • Handle HTTP_1_1_REQUIRED errors in github provider (#3172)

Bug Fixes

  • Fix nondeterminsitic timestamps (#3121)

Documentation

  • doc: Add example of sign-blob with key in env var (#3152)
  • add deprecation notice for cosign-releases GCS bucket (#3148)
  • update doc links (#3186)

Others

  • Upgrade to go1.21 (#3188)
  • Updates ci tests (#3142)
  • test using latest release of scaffolding (#3187)
  • ci: free up disk space for the gh runner (#3169)
  • update go-github to v53 (#3116)
  • call e2e test for cosign attach (#3112)
  • bump build cross to use go1.20.6 and cosign image to 2.1.1 (#3108)

Contributors

  • Bob Callaway
  • Carlos Tadeu Panato Junior
  • Dmitry Savintsev
  • Hayden B
  • Hector Fernandez
  • Jason Hall
  • Jon Johnson
  • Jubril Oyetunji
  • Paulo Gomes
  • Priya Wadhwa
  • 张志强

v2.1.1

Bug Fixes

  • wait for the workers become available again to continue the execution (#3084)
  • fix help text when in a container (#3082)

Documentation

  • update changelog (#3080)
  • DNM: Add CHANGELOG for v2.1.0 (#3068)

Contributors

  • Carlos Tadeu Panato Junior
  • priyawadhwa

v2.1.0

Breaking Change: The predicate is now a required flag in the attest commands, set via the --type flag.

Enhancements

  • Verify sigs and attestations in parallel (#3066)
  • Deep inspect attestations when filtering download (#3031)
  • refactor bundle validation code, add support for DSSE rekor type (#3016)
  • Allow overriding remote options (#3049)
  • feat: adds no cert found on sig exit code (#3038)
  • Make predicate a required flag in attest commands (#3033)
  • Added support for attaching Time stamp authority Response in attach command (#3001)
  • Add sign --sign-container-identity CLI (#2984)
  • Feature: Allow cosign to sign digests before they are uploaded. (#2959)
  • accepts attachment-tag-prefix for cosign copy (#3014)
  • Feature: adds '--allow-insecure-registry' for cosign load (#3000)
  • download attestation: support --platform flag (#2980)
  • Cleanup: Add Digest to the SignedEntity interface. (#2960)
  • verify command: support keyless verification using only a provided certificate chain with non-fulcio roots (#2845)
  • verify: use workers to limit the paralellism when verifying images with --max-workers flag (#3069)

Bug Fixes

  • Fix pkg/cosign/errors (#3050)
  • fix: update doc to refer to github-actions oidc provider (#3040)
  • fix: prefer GitHub OIDC provider if enabled (#3044)
  • Fix --sig-only in cosign copy (#3074)

Documentation

  • Fix links to sigstore/docs in markdown files (#3064)
  • Update release readme (#2942)

Contributors

Thank you to our contributors!

  • Bob Callaway
  • Carlos Tadeu Panato Junior
  • Chok Yip Lau
  • Chris Burns
  • Dmitry Savintsev
  • Enyinna Ochulor
  • Hayden B
  • Hector Fernandez
  • Jakub Hrozek
  • Jason Hall
  • Jon Johnson
  • Luiz Carvalho
  • Matt Moore
  • Mritunjay Kumar Sharma
  • Mukuls77
  • Ramkumar Chinchani
  • Sascha Grunert
  • Yolanda Robla Mota
  • priyawadhwa

v2.0.2

Enhancements

  • Update sigstore/sigstore to v1.6.2 to pick up TUF CDN change (#2891)
  • feat: Make cosign copy faster (#2901)
  • remove sget (#2885)
  • Require a payload to be provided with a signature (#2785)

Bug Fixes

  • cmd: Change error message from KeyParseError to PubKeyParseError for verify-blob. (#2876)
  • Use SOURCE_DATE_EPOCH for OCI CreatedAt times (#2878)

Documentation

  • Remove experimental warning from Fulcio flags (#2923)
  • add missing oidc provider (#2922)
  • Add zot as a supported registry (#2920)
  • deprecates kms_support docs (#2900)
  • chore(docs) deprecate note for usage docs (#2906)
  • adds note of deprecation for examples.md docs (#2899)

Contributors

  • Carlos Tadeu Panato Junior
  • Chris Burns
  • Dmitry Savintsev
  • eiffel-fl
  • Hayden B
  • Hector Fernandez
  • Jon Johnson
  • Miloslav Trmač
  • priyawadhwa
  • Ramkumar Chinchani

v2.0.1

Enhancements

  • Add environment variable token provider (#2864)
  • Remove cosign policy command (#2846)
  • Allow customising 'go' executable with GOEXE var (#2841)
  • Consistent tlog warnings during verification (#2840)
  • Add riscv64 arch (#2821)
  • Default generated PEM labels to SIGSTORE (#2735)
  • Update privacy statement and confirmation (#2797)
  • Add exit codes for verify errors (#2766)
  • Add Buildkite provider (#2779)
  • verify-blob-attestation: Loosen arg requirements if --check-claims=false (#2746)

Bug Fixes

  • PKCS11 sessions are now opened read only (#2853)
  • Makefile: date format of log should not show signatures (#2835)
  • Add missing flags to cosign verify dockerfile/manifest (#2830)
  • Add a warning to remember how to configure a custom Gitlab host (#2816)
  • Remove tag warning message from save/copy commands (#2799)
  • Mark keyless pem files with b64 (#2671)

Contributors

  • Aleksandr Razumov
  • Batuhan Apaydın
  • Billy Lynch
  • Carlos Tadeu Panato Junior
  • Chris Burns
  • Derek Burdick
  • Dmitry Savintsev
  • favonia
  • Hayden B
  • Hector Fernandez
  • Ivana Atanasova
  • joe miller
  • Luiz Carvalho
  • Paolo Mainardi
  • priyawadhwa
  • Radoslav Dimitrov
  • Steve Winslow
  • Vincent Batts
  • Zack Newman

v2.0.0

This is the official 2.0.0 release of cosign! There are many new features and breaking changes from version 1.x, for a full explanation please read the Cosign 2.0 blog post.

Breaking Changes

  • COSIGN_EXPERIMENTAL=1 is no longer required to have identity-based ("keyless") signing and transparency.
  • By default, artifact signatures will be uploaded to Rekor, for both key-based and identity-based signing. To not upload to Rekor, include --tlog-upload=false.
    • You must also include --insecure-ignore-tlog=true when verifying an artifact that was not uploaded to Rekor.
    • Examples of when you may want to skip uploading to the transparency log are if you have a private Sigstore deployment that does not use transparency or a private artifact.
    • We strongly encourage all other use-cases to upload artifact signatures to Rekor. Transparency is a critical component of supply chain security, to allow artifact maintainers and consumers to monitor a public log for their artifacts and signing identities.
  • Verification now requires identity flags, --certificate-identity and --certificate-oidc-issuer. Like verifying a signature with a public key, it's critical to specify who you trust to generate a signature for identity-based signing. See sigstore#2056 for more discussion on this change.
  • --certificate-email has been removed. Use --certificate-identity, which supports not only email verification but also any identity specified in a certificate, including SPIFFE, GitHub Actions, or service account identities.
  • Cosign no longer supports providing a certificate that does not conform to the Fulcio certificate profile, which includes setting the SubjectAlternativeName and OIDC Issuer OID. To verify with a non-conformant certificate, extract the public key from the certificate and verify with cosign verify --key <key.pem>. We are actively working on more support for custom certificates for those who want to bring their existing PKI.
  • Signing OCI images by tag prints a warning and is strongly discouraged, e.g. cosign sign container.registry.io/foo:tag. This is considered insecure since tags are mutable. If you want to specify a particular image, you are recommended to do so by digest.
  • SCT verification, a proof of inclusion in a certificate transparency log, is now on by default for verifying Fulcio certificates. For private deployments without certificate transparency, use --insecure-ignore-sct=true to skip this check.
  • DSSE support in verify-blob has been removed. You can now verify attestations using verify-blob-attestation.
  • Environment variable SIGSTORE_TRUST_REKOR_API_PUBLIC_KEY has been removed. For private deployments, if you would like to set the Rekor public key to verify transparency log entries, use either a TUF setup or set SIGSTORE_REKOR_PUBLIC_KEY with the PEM of the custom Rekor public key..
  • verify-blob no longer searches for a certificate. You must provide one with either --certificate or --bundle.
  • cosign attest --type {custom|vuln} (and cosign verify-attestation) will now use the RFC 3986 compliant URIs, adding https://, so that these predicate types are compliant with the in-toto specification.
  • The CosignPredicate envelope that wraps the predicates of SPDX and CycloneDX attestations has been removed, which was a violation of the schema specified via the predicateType field (more information).
  • --force has been removed. To skip any prompts, use --yes.

Improvements

  • Blob attestation and verification is now supported with cosign attest-blob and cosign verify-blob-attestation.
  • You can now set flags via environment variables, for example instead of --certificate-identity=email, you can set an environment variable for COSIGN_CERTIFICATE_IDENTITY=email.
  • --offline=true removes the fallback to the Rekor log when verifying an artifact. Previously, if you did not provide a bundle (a persisted response from Rekor), Cosign would fallback to querying Rekor. You can now skip this fallback for offline environments. Note that if the bundle fails to verify, Cosign will not fallback and will fail early.
  • A Fulcio certificate can now be issued for self-managed keys by providing --issue-certificate=true with a key, --key, or security key, --sk. This is useful when adopting Sigstore incrementally.
  • Experimental support for trusted timestamping has been added. Timestamping leverages a third party to provide the timestamp that will be used to verify short-lived Fulcio certificates, which distributes trust. We will be writing more about this in an upcoming blog post!
    • To use a timestamp when signing a container, use cosign sign --timestamp-server-url=<url> <container>, such as https://freetsa.org/tsr, and to verify, cosign verify --timestamp-certificate-chain=<path-to-PEM-encodeded-chain> <other flags> <artifact>.
    • To use a timestamp when signing a blob, use cosign sign-blob --timestamp-server-url=<url> --rfc3161-timestamp=<output-path> --bundle=<output-path> <blob>, and to verify, cosign verify-blob --rfc3161-timestamp=<output-path> --timestamp-certificate-chain=<path-to-PEM-encoded-chain> --bundle=<output-path> <other flags> <blob>.

For specific PRs representing enhancements, bug fixes, documentation, and breaking changes, please see the sections below for prereleases v2.0.0-rc.0, v2.0.0-rc.1, v2.0.0-rc.2, and v2.0.0-rc.3.

Thanks to all contributors!

  • Anish Shah
  • Arnaud J Le Hors
  • Arthur Lutz
  • Batuhan Apaydın
  • Bob Callaway
  • Carlos Tadeu Panato Junior
  • Chris Burns
  • Christian Loos
  • Emmanuel T Odeke
  • Hayden B
  • Hector Fernandez
  • Huang Huang
  • Jan Wozniak
  • Josh Dolitsky
  • Josh Wolf
  • Kenny Leung
  • Marko Mudrinić
  • Matt Moore
  • Matthias Glastra
  • Miloslav Trmač
  • Mukuls77
  • Priya Wadhwa
  • Puerco
  • Stefan Zhelyazkov
  • Tim Seagren
  • Tom Meadows
  • Ville Aikas
  • Zack Newman
  • asraa
  • kpk47
  • priyawadhwa

v2.0.0-rc.3

Note: this is a prerelease for Cosign 2.0! Feel free to try it out, but know there are many breaking changes from 1.0 and the prereleases may continue to change.

Enhancements

  • Support non-Sigstore TSA requests (#2708)
  • Add COSIGN_OCI_EXPERIMENTAL, push .sig/.sbom using OCI 1.1+ digest tag (#2684)
  • Output certificate in bundle when entry is not uploaded to Rekor (#2715)
  • attach signature and attach sbom must use STDIN to upload raw string (#2637)

Bug Fixes

  • Fix: Add missing schemes to cosign predicate types. (#2717)
  • Fix: Drop the CosignPredicate wrapper around SBOM attestations. (#2718)

Documentation

  • Adds deprecation note for keyless docs (#2716)

v2.0.0-rc.2

Note: this is a prerelease for Cosign 2.0! Feel free to try it out, but know there are many breaking changes from 1.0 and the prereleases may continue to change.

Enhancements

  • add generate-key-pair GitHub Enterprise server support (#2676)
  • add in format string for warning (#2699)
  • Support for fetching Fulcio certs with self-managed key (#2532)
  • 2476 predicate type download (#2484)
  • Upgrade to go1.20 (#2689)

Bug Fixes

  • Fix prompts with Windows line endings (#2674)

Documentation

  • docs(README): verify example failing on latest (#2694)

Contributors

  • Anish Shah
  • Arthur Lutz
  • Carlos Tadeu Panato Junior
  • Christian Loos
  • Tim Seagren
  • Zack Newman
  • priyawadhwa

v2.0.0-rc.1

Note: this is a prerelease for Cosign 2.0! Feel free to try it out, but know there are many breaking changes from 1.0 and the prereleases may continue to change.

Critical breaking changes include:

  • Certificate issuer and subject are now required on cosign verify

Breaking Changes

  • insecure-skip-tlog-verify: rename and adapt the cert expiration check (#2620)
  • Deprecate --certificate-email flag. Make --certificate-identity and -… (#2411)

Enhancements

  • Add warning to use digest instead of tags to other cosign commands (#2650)
  • Fix up UI messages (#2629)
  • Remove hardcoded Fulcio from output (#2621)
  • Fix missing privacy statement, print in multiple locations (#2622)
  • feat: allows custom key names for import-key-pair (#2587)
  • feat: support keyless verification for verify-blob-attestation (#2525)
  • attest-blob: add functionality for keyless signing (#2515)
  • Rego: add support for custom error/warning messages when evaluating rego rules (#2577)
  • feat: add debug information to cert validation error (#2579)

Bug Fixes

  • fix: panic with unsigned local image (#2656)
  • Make sure a cert passed in via --cert matches the bundle cert (#2652)
  • fix: fix github oidc post submit test (#2594)
  • fix: add enhanced error messages for failing verification with TUF targets (#2589)

Contributors

  • Carlos Tadeu Panato Junior
  • Chris Burns
  • Hayden B
  • Hector Fernandez
  • Huang Huang
  • Kenny Leung
  • Priya Wadhwa
  • Stefan Zhelyazkov
  • Ville Aikas
  • Zack Newman
  • asraa
  • dependabot[bot]
  • kpk47
  • priyawadhwa

v2.0.0-rc.0

Note: this is a prerelease for Cosign 2.0! Feel free to try it out, but know there are many breaking changes from 1.0 and the prereleases may continue to change.

Critical breaking changes include:

  • Removing the COSIGN_EXPERIMENTAL environment variable, so the default signing method is now keyless signing with Fulcio
  • By default Cosign will now always upload to Rekor, this can be toggled with the --tlog-upload flag (defaults to true)

Breaking Changes

  • Breaking change: Change SCT verification behavior to default to enforcement (#2400)
  • Breaking change: remove --force flag from sign and attest and rely on --yes flag to skip confirmation (#2399)
  • Breaking change: replace --no-tlog-upload flag with --tlog-upload flag (#2397)

Enhancements

  • Change go module name to github.com/sigstore/cosign/v2 for Cosign 2.0 (#2544)
  • Allow users to pass in a path for the --identity-token flag (#2538)
  • Breaking change: Respect tlog-upload=false, default to true (#2505)
  • Support outputing a certificate without uploading to the tlog (#2506)
  • Attestation/Blob signing and verification using a RFC3161 time-stamping server (#2464)
  • respect tlog-upload flag with TSA (#2474)
  • Better feedback if specifying incompatible argument on cosign sign --attachment (#2449)
  • Support TSA and Rekor verifications (#2463)
  • add support for tsa signing and verification of images (#2460)
  • cosign policy sign: remove experimental flag and make keyless signing default (#2459)
  • Remove experimental mode from cosign attest and verify-attestation (#2458)
  • Remove experimental mode from sign-blob and verify-blob (#2457)
  • Add --offline flag to force offline verification (#2427)
  • Air gap support (#2299)
  • Remove experimental flag from cosign sign and cosign verify (#2387)
  • verify: remove SIGSTORE_TRUST_REKOR_API_PUBLIC_KEY test env var for using a key from rekor's API (#2362)

Bug Fixes

  • Fix the file existence check. (#2552)
  • Fix timestamp verification, add verify-blob tests (#2527)
  • fix(verify): Consolidate certificate expiry logic (#2504)
  • Updates to Timestamp signing and verification (#2499)
  • fix: removes attestation payload from attest-blob's output & no base64 encoding (#2498)
  • Fix path for e2e-tests badge (#2490)
  • Fix spdx json media type (#2479)
  • fix sct verificaction (#2426)

Others

  • update builder image that uses go 1.19.4 (#2520)

Contributors

  • Anish Shah
  • Arnaud J Le Hors
  • Batuhan Apaydın
  • Bob Callaway
  • Carlos Tadeu Panato Junior
  • Emmanuel T Odeke
  • Hayden B
  • Hector Fernandez
  • Jan Wozniak
  • Matthias Glastra
  • Miloslav Trmač
  • Puerco
  • Tom Meadows
  • Ville Aikas
  • Zack Newman
  • asraa
  • priyawadhwa

v1.13.1

Enhancements

  • verify-blob-attestation: allow multiple subjects in in_toto attestation (#2341)
  • Add verify-blob-attestation command and tests (#2337)
  • Add --output-attestation flag to attest-blob and remove experimental signing (#2332)
  • Add attest-blob command (#2286)
  • Add '--cert-identity' flag to support subject alternate names for ver… (#2278)
  • Update Dockerfile section of README (#2323)

Bug Fixes

  • Update warning when users sign images by tag. (#2313)

Others

  • Remove experimental flags from attest-blob and refactor (#2338)

Contributors

  • Alex Cameron
  • Ville Aikas
  • Zack Newman
  • asraa
  • kpk47
  • priyawadhwa

v1.13.0

Highlights

  • For users who have deployed a private instance of Fulcio release v0.6.x and issue certificates with the Username identity, you will need to upgrade to use this version."

Enhancements

Bug Fixes

  • fix: make tlog entry lookups for online verification shard-aware (sigstore#2297)
  • Fix: Create a static copy of signatures as part of verification. (sigstore#2287)
  • Fix: Remove an extra registry request from verification path. (sigstore#2285)
  • fix pivtool generate key touch policy (sigstore#2282)

Others

Contributors

  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Hayden Blauzvern (@haydentherapper)
  • Matt Moore (@mattmoor)
  • Ross Tannenbaum (@RTann)
  • Ville Aikas (@vaikas)

v1.12.1

Highlights

  • Pulls Fulcio root and intermediate when --certificate-chain is not passed into verify-blob. The v1.12.0 release introduced a regression: when COSIGN_EXPERIMENTAL was not set, cosign verify-blob would check a --certificate (without a --certificate-chain provided) against the operating system root CA bundle. In this release, Cosign checks the certificate against Fulcio's CA root instead (restoring the earlier behavior).

Bug Fixes

  • fix: fixing breaking changes in rekor v1.12.0 upgrade (sigstore#2260)
  • Fixed bug where intermediate certificates were not automatically read from the OCI chain annotation (sigstore#2244)
  • fix: add COSIGN_EXPERIMENTAL=1 for verify-blob (sigstore#2254)
  • fix: fix cert chain validation for verify-blob in non-experimental mode (sigstore#2256)
  • fix: fix secret test, non-experimental bundle should pass (sigstore#2249)
  • Fix e2e test failure, add test for local bundle without rekor bundle (sigstore#2248)

Contributors

  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Hayden Blauzvern (@haydentherapper)
  • n3k0m4 (@n3k0m4)

v1.12.0

Note: This release comes with a fix for CVE-2022-36056 described in this Github Security Advisory. Please upgrade to this release ASAP

Highlights

BREAKING: The fix for GHSA-GHSA-8gw7-4j42-w388 (CVE-2022-36056) means that some verify-blob commands that used to work may not anymore. In particular:

  • When using verify-blob with signatures created with keyless mode, we require either COSIGN_EXPERIMENTAL=1 or a valid Rekor bundle for offline verification passed with --bundle.

If you upgrade and encounter other issues, please read the advisory in full; your prior checks may have been passing inappropriately.

Enhancements

  • Add deprecation warning for sget CLI and packages (sigstore#2019)
  • feat: set annotations to generate additional bash completion information (sigstore#2221)
  • feat: integrate Alibaba Cloud Container Registry cred helper (sigstore#2008)
  • Support non-ECDSA key types for verify-blob (sigstore#2203)
  • Bump github.com/theupdateframework/go-tuf from 0.3.1 to 0.5.0 (sigstore#2232)
    • feat: Add support for verifying ECDSA PEM-encoded keys. Continues deprecated hex-encoded keys for backward compatibility

Bug Fixes

  • fix: fix secret test, non-experimental bundle should pass (sigstore#2249)
  • Fix e2e test failure, add test for local bundle without rekor bundle (sigstore#2248)
  • Clarify error when KMS provider fails to load (sigstore#2220)

Others

  • update kind to use release v0.15.0 and some version comments (sigstore#2246)
  • Bump github.com/theupdateframework/go-tuf from 0.3.1 to 0.5.0 (sigstore#2232)
  • update go builder to go1.19.1 (sigstore#2241)
  • Bump mikefarah/yq from 4.27.3 to 4.27.5 (sigstore#2239)
  • Bump github.com/open-policy-agent/opa from 0.43.0 to 0.44.0 (sigstore#2234)
  • Bump github.com/google/go-cmp from 0.5.8 to 0.5.9 (sigstore#2233)
  • Bump google.golang.org/api from 0.94.0 to 0.95.0 (sigstore#2229)
  • upgrade setup-ko to point to new repo (sigstore#2225)
  • Bump github.com/spf13/viper from 1.12.0 to 1.13.0 (sigstore#2224)
  • Upgrade to go1.19 (sigstore#2213)
  • remove doubl quotes, looks like it is passing as a single string to cosign and not as an array (sigstore#2205)
  • use scaffolding v0.4.6. (sigstore#2201)
  • Bump google.golang.org/api from 0.93.0 to 0.94.0 (sigstore#2200)

Contributors

  • Asra Ali (@asraa)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Engin Diri (@dirien)
  • Hayden Blauzvern (@haydentherapper)
  • Huang Huang (@mozillazg)
  • Jason Hall (@imjasonh)
  • Priya Wadhwa (@priyawadhwa)
  • Ville Aikas (@vaikas)
  • Zack Newman (@znewman01)

v1.11.1

Enhancements

Bug Fixes

  • fix: fix typo that caused attestation verification failure (sigstore#2199)

Documention

Others

Contributors

  • Asra Ali (@asraa)
  • Azeem Shaikh (@azeemshaikh38)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Engin Diri (@dirien)
  • Kenny Leung (@k4leung4)

v1.11.0

Enhancements

Bug Fixes

Documention

  • docs: clarify wording in spec about usage of certificate chain (sigstore#2152)
  • Add notes to clarify registry use. (sigstore#2145)

Others

Contributors

  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Bob Callaway (@bobcallaway)
  • Carlos Tadeu Panato Junior (@cpanato)
  • David Bendory (@bendory)
  • Jason Hall (@imjasonh)
  • Kazuma Watanabe (@wata727)
  • Matt Moore (@mattmoor)
  • Noah Kreiger (@nkreiger)
  • Priya Wadhwa (@priyawadhwa)
  • Samsondeen (@dsa0x)
  • Ville Aikas (@vaikas)
  • saso (@otms61)

v1.10.1

Note: This release comes with a fix for CVE-2022-35929 described in this Github Security Advisory. Please upgrade to this release ASAP

Enhancements

  • update cross-builder to go1.18.5 and cosign image to 1.10.0 (sigstore#2119)
  • feat: attach: attestation: allow passing multiple payloads (sigstore#2085)
  • Resolves #522 set Created date to time of execution (sigstore#2108)
  • Fix field names in the vulnerability attestation (sigstore#2099)
  • Change Result in Vulnerability Attestation to interface{} (sigstore#2096)
  • Improve error message when no sigs/atts are found for an image (sigstore#2101)
  • add flag to allow skipping upload to transparency log (sigstore#2089)

Documention

Bug Fixes

  • Merge pull request from GHSA-vjxv-45g9-9296
  • Correct the type used for attest (sigstore#2128)

Others

  • Bump mikefarah/yq from 4.26.1 to 4.27.2 (sigstore#2116)
  • Bump github.com/open-policy-agent/opa from 0.42.2 to 0.43.0 (sigstore#2115)
  • Bump github.com/xanzy/go-gitlab from 0.69.0 to 0.70.0 (sigstore#2120)
  • Bump google.golang.org/api from 0.90.0 to 0.91.0 (sigstore#2125)
  • Bump google.golang.org/api from 0.89.0 to 0.90.0 (sigstore#2111)
  • Bump github/codeql-action from 2.1.16 to 2.1.17 (sigstore#2112)
  • Bump google.golang.org/protobuf from 1.28.0 to 1.28.1 (sigstore#2110)
  • Bump google.golang.org/api from 0.88.0 to 0.89.0 (sigstore#2106)
  • Bump imjasonh/setup-ko from 0.4 to 0.5 (sigstore#2107)
  • Introduce a custom error type to classify errors. (sigstore#2114)
  • Bump github.com/hashicorp/go-hclog from 1.2.1 to 1.2.2 (sigstore#2103)
  • remove style jobs and cleanup makefile gofmt and goimports are running already with golangci-lint (sigstore#2105)
  • Bump sigstore/cosign-installer from 2.4.1 to 2.5.0 (sigstore#2100)
  • Remove knative/pkg deps (sigstore#2092)

Contributors

  • Asra Ali (@asraa)
  • Azeem Shaikh (@azeemshaikh38)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Furkan Türkal (@Dentrax)
  • Jason Hall (@imjasonh)
  • Kenny Leung (@k4leung4)
  • Matt Moore (@mattmoor)
  • Teppei Fukuda (@knqyf263)
  • Tobias Trabelsi (@Lerentis)
  • saso (@otms61)

v1.10.0

Enhancements

Documention

Bug Fixes

Others

  • Bump github.com/hashicorp/vault/sdk from 0.5.2 to 0.5.3 (sigstore#2079)
  • Bump github.com/go-openapi/strfmt from 0.21.2 to 0.21.3 (sigstore#2078)
  • Bump google.golang.org/api from 0.87.0 to 0.88.0 (sigstore#2081)
  • Remove hack/tools.go (sigstore#2080)
  • Remove replace directives in go.mod. (sigstore#2070)
  • Bump mikefarah/yq from 4.25.3 to 4.26.1 (sigstore#2076)
  • Bump github.com/xanzy/go-gitlab from 0.68.2 to 0.69.0 (sigstore#2075)
  • Bump actions/dependency-review-action from 2.0.2 to 2.0.4 (sigstore#2073)
  • Bump google.golang.org/api from 0.86.0 to 0.87.0 (sigstore#2064)
  • chore(deps): CycloneDX PredicateType changed to use in-toto-golang (sigstore#2067)
  • Bump github.com/open-policy-agent/opa from 0.42.0 to 0.42.2 (sigstore#2063)
  • Bump google.golang.org/grpc from 1.47.0 to 1.48.0 (sigstore#2062)
  • Bump actions/setup-go from 3.2.0 to 3.2.1 (sigstore#2060)
  • Bump github/codeql-action from 2.1.15 to 2.1.16 (sigstore#2065)
  • Bump actions/cache from 3.0.4 to 3.0.5 (sigstore#2066)
  • update to go 1.18 (sigstore#2059)
  • Bump github.com/open-policy-agent/opa from 0.35.0 to 0.42.0 (sigstore#2046)
  • update ct/otel and etcd (sigstore#2054)
  • remove tests with 1.21 k8s cluster because it is deprecated and add v1.23/24 (sigstore#2055)
  • Bump sigstore/cosign-installer from 2.4.0 to 2.4.1 (sigstore#2042)
  • Bump github.com/hashicorp/go-version from 1.5.0 to 1.6.0 (sigstore#2032)
  • Bump github.com/spiffe/go-spiffe/v2 from 2.1.0 to 2.1.1 (sigstore#2037)
  • Bump github/codeql-action from 2.1.14 to 2.1.15 (sigstore#2038)
  • Bump google.golang.org/api from 0.85.0 to 0.86.0 (sigstore#2036)
  • Bump github.com/stretchr/testify from 1.7.5 to 1.8.0 (sigstore#2035)
  • Bump ossf/scorecard-action from 1.1.1 to 1.1.2 (sigstore#2033)
  • Bump github.com/xanzy/go-gitlab from 0.68.0 to 0.68.2 (sigstore#2029)
  • Bump github.com/stretchr/testify from 1.7.4 to 1.7.5 (sigstore#2026)
  • Attempt to clean up pkg/cosign (sigstore#2018)
  • Bump github/codeql-action from 2.1.13 to 2.1.14 (sigstore#2023)
  • Bump github.com/google/go-containerregistry from 0.9.0 to 0.10.0 (sigstore#2021)
  • Bump mikefarah/yq from 4.25.2 to 4.25.3 (sigstore#2022)
  • Bump google.golang.org/api from 0.84.0 to 0.85.0 (sigstore#2015)
  • Bump github.com/stretchr/testify from 1.7.3 to 1.7.4 (sigstore#2010)
  • Bump github.com/google/go-github/v45 from 45.1.0 to 45.2.0 (sigstore#2011)
  • Bump github.com/spf13/cobra from 1.4.0 to 1.5.0 (sigstore#2012)
  • Bump github/codeql-action from 2.1.12 to 2.1.13 (sigstore#2013)
  • Bump github.com/stretchr/testify from 1.7.2 to 1.7.3 (sigstore#2009)
  • Bump actions/dependency-review-action from 2.0.1 to 2.0.2 (sigstore#2001)
  • Bump github.com/hashicorp/vault/sdk from 0.5.1 to 0.5.2 (sigstore#1996)
  • Bump actions/dependency-review-action from 1.0.2 to 2.0.1 (sigstore#2000)
  • Bump google.golang.org/api from 0.83.0 to 0.84.0 (sigstore#1999)
  • Bump sigstore/sigstore to HEAD (sigstore#1995)
  • Bump github.com/hashicorp/vault/sdk from 0.5.0 to 0.5.1 (sigstore#1988)
  • cleanup ci job and remove policy-controller references (sigstore#1981)
  • Bump google.golang.org/api from 0.82.0 to 0.83.0 (sigstore#1979)
  • cleanup: unexport kubernetes.Client method (sigstore#1973)
  • Remove policy-controller now that it lives in sigstore/policy-controller (sigstore#1976)
  • Bump sigstore/cosign-installer from 2.3.0 to 2.4.0 (sigstore#1980)
  • Bump actions/cache from 3.0.3 to 3.0.4 (sigstore#1970)
  • Bump github.com/hashicorp/go-hclog from 1.2.0 to 1.2.1 (sigstore#1968)
  • Bump github.com/stretchr/testify from 1.7.1 to 1.7.2 (sigstore#1963)
  • Bump google.golang.org/grpc from 1.46.2 to 1.47.0 (sigstore#1943)
  • Bump github.com/hashicorp/go-secure-stdlib/parseutil from 0.1.5 to 0.1.6 (sigstore#1958)
  • replace gcr.io/distroless/ to use ghcr.io/distroless/ (sigstore#1961)
  • Bump github/codeql-action from 2.1.11 to 2.1.12 (sigstore#1951)
  • Bump google.golang.org/api from 0.81.0 to 0.82.0 (sigstore#1948)

Contributors

  • Adolfo García Veytia (@puerco)
  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Billy Lynch (@wlynch)
  • Bob Callaway (@bobcallaway)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Ciara Carey (@ciaracarey)
  • Frederik Boster (@Syquel)
  • Furkan Türkal (@Dentrax)
  • Hector Fernandez (@hectorj2f)
  • Jason Hall (@imjasonh)
  • Jinhong Brejnholt (@JBrejnholt)
  • Josh Dolitsky (@jdolitsky)
  • Masahiro331 (@masahiro331)
  • Priya Wadhwa (@priyawadhwa)
  • Ville Aikas (@vaikas)
  • William Woodruff (@woodruffw)

v1.9.0

Enhancements

Documention

Bug Fixes

Others

  • remove deprecation (sigstore#1952)
  • Bump github.com/aws/aws-sdk-go-v2 from 1.14.0 to 1.16.4 (sigstore#1949)
  • update cross-builder image to use go1.17.11 (sigstore#1950)
  • Bump ossf/scorecard-action from 1.1.0 to 1.1.1 (sigstore#1945)
  • Bump github.com/secure-systems-lab/go-securesystemslib (sigstore#1944)
  • Bump actions/cache from 3.0.2 to 3.0.3 (sigstore#1937)
  • Bump mikefarah/yq from 4.25.1 to 4.25.2 (sigstore#1933)
  • Bump github.com/spf13/viper from 1.11.0 to 1.12.0 (sigstore#1924)
  • Bump github.com/hashicorp/vault/sdk from 0.4.1 to 0.5.0 (sigstore#1926)
  • Bump actions/setup-go from 3.1.0 to 3.2.0 (sigstore#1927)
  • Bump actions/dependency-review-action from 1.0.1 to 1.0.2 (sigstore#1915)
  • Bump google-github-actions/auth from 0.7.3 to 0.8.0 (sigstore#1916)
  • Bump ossf/scorecard-action from 1.0.4 to 1.1.0 (sigstore#1922)
  • Bump google.golang.org/api from 0.80.0 to 0.81.0 (sigstore#1918)
  • Bump github.com/armon/go-metrics from 0.3.11 to 0.4.0 (sigstore#1919)
  • Bump github.com/xanzy/go-gitlab from 0.66.0 to 0.68.0 (sigstore#1920)
  • Bump github.com/xanzy/go-gitlab from 0.65.0 to 0.66.0 (sigstore#1913)
  • Move deprecated dependency: google/trillian/merkle to transparency-dev (sigstore#1910)
  • Bump github.com/hashicorp/go-version from 1.4.0 to 1.5.0 (sigstore#1902)
  • Bump github.com/hashicorp/go-secure-stdlib/parseutil from 0.1.4 to 0.1.5 (sigstore#1883)
  • Bump cloud.google.com/go/storage from 1.22.0 to 1.22.1 (sigstore#1906)
  • Bump actions/upload-artifact from 3.0.0 to 3.1.0 (sigstore#1907)
  • The timeout arg in golangci-lint has been moved to the generic args param. (sigstore#1901)
  • Update go-tuf (sigstore#1894)
  • Bump google.golang.org/api from 0.79.0 to 0.80.0 (sigstore#1897)
  • Bump google-github-actions/auth from 0.7.2 to 0.7.3 (sigstore#1898)
  • Bump github/codeql-action from 2.1.10 to 2.1.11 (sigstore#1891)
  • Update github.com/google/go-containerregistry/pkg/authn/k8schain module to f1b065c6cb3d (sigstore#1889)
  • Remove dependency on deprecated github.com/pkg/errors (sigstore#1887)
  • Bump google.golang.org/grpc from 1.46.0 to 1.46.2 (sigstore#1884)
  • Bump google-github-actions/auth from 0.7.1 to 0.7.2 (sigstore#1886)
  • go.mod: format go.mod (sigstore#1879)
  • chore: remove regex from image pattern (sigstore#1873)
  • Bump actions/dependency-review-action (sigstore#1875)
  • Bump actions/github-script from 6.0.0 to 6.1.0 (sigstore#1876)
  • Bump actions/setup-go from 3.0.0 to 3.1.0 (sigstore#1870)
  • Update go to 1.17.10 / cosign image to 1.18.0 and actions setup go (sigstore#1861)
  • Bump github/codeql-action from 2.1.9 to 2.1.10 (sigstore#1863)
  • Bump golangci/golangci-lint-action from 3.1.0 to 3.2.0 (sigstore#1864)
  • Bump google.golang.org/api from 0.78.0 to 0.79.0 (sigstore#1858)
  • Bump github.com/xanzy/go-gitlab from 0.64.0 to 0.65.0 (sigstore#1857)
  • Bump github.com/go-openapi/runtime from 0.24.0 to 0.24.1 (sigstore#1851)
  • remove exclude from go.mod (sigstore#1846)
  • Bump github.com/hashicorp/go-plugin from 1.4.3 to 1.4.4 (sigstore#1843)
  • Bump google.golang.org/api from 0.77.0 to 0.78.0 (sigstore#1838)
  • Bump mikefarah/yq from 4.24.5 to 4.25.1 (sigstore#1831)
  • Bump google.golang.org/api from 0.76.0 to 0.77.0 (sigstore#1829)
  • Bump github.com/go-openapi/runtime from 0.23.3 to 0.24.0 (sigstore#1830)
  • Bump github.com/spiffe/go-spiffe/v2 from 2.0.0 to 2.1.0 (sigstore#1828)
  • chore(deps): Included dependency review (sigstore#1792)
  • Bump sigstore/cosign-installer from 2.2.1 to 2.3.0 (sigstore#1813)
  • Bump github/codeql-action from 2.1.8 to 2.1.9 (sigstore#1814)
  • Bump google.golang.org/api from 0.75.0 to 0.76.0 (sigstore#1810)
  • Bump github.com/google/go-cmp from 0.5.7 to 0.5.8 (sigstore#1809)
  • Bump github.com/armon/go-metrics from 0.3.10 to 0.3.11 (sigstore#1808)

Contributors

  • Asra Ali (@asraa)
  • Adolfo García Veytia (@puerco)
  • Andrés Torres (@elfotografo007)
  • Billy Lynch (@wlynch)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Dan Lorenc (@dlorenc)
  • Denny (@DennyHoang)
  • Eitan Yarmush (@EItanya)
  • Hayden Blauzvern (@haydentherapper)
  • Hector Fernandez (@hectorj2f)
  • Jack Baines (@bainsy88)
  • Jason Hall (@imjasonh)
  • Josh Dolitsky (@jdolitsky)
  • Kenny Leung (@k4leung4)
  • Koichi Shiraishi (@zchee)
  • Naveen Srinivasan (@naveensrinivasan)
  • Neal McBurnett (@nealmcb)
  • Priya Wadhwa (@priyawadhwa)
  • Rob Best (@ribbybibby)
  • Tomasz Janiszewski (@janisz)
  • Ville Aikas (@vaikas)
  • Vladimir Nachev (@vpnachev)

v1.8.0

NOTE: If you use Fulcio to issue certificates you will need to use this release.

Enhancements

  • Support PKCS1 encoded and non-ECDSA CT log public keys (sigstore#1806)
  • Load in intermediate cert pool from TUF (sigstore#1804)
  • Don't fail open in VerifyBundle (sigstore#1648)
  • Handle context cancelled properly + tests. (sigstore#1796)
  • Allow passing keys via environment variables (env:// refs) (sigstore#1794)
  • Add parallelization for processing policies / authorities. (sigstore#1795)
  • Attestations + policy in cip. (sigstore#1772)
  • Refactor fulcio signer to take in KeyOpts. (sigstore#1788)
  • Remove the dependency on v1alpha1.Identity which brings in (sigstore#1790)
  • Add Fulcio intermediate CA certificate to intermediate pool (sigstore#1774)
  • Cosigned validate against remote sig src (sigstore#1754)
  • tuf: add debug info if tuf update fails (sigstore#1766)
  • Break the CIP action tests into a sh script. (sigstore#1767)
  • [policy-webhook] The webhooks name is now configurable via --(validating|mutating)-webhook-name flags (sigstore#1757)
  • Verify embedded SCTs (sigstore#1731)
  • Validate issuer/subject regexp in validate webhook. (sigstore#1761)
  • Add intermediate CA certificate pool for Fulcio (sigstore#1749)
  • [cosigned] The webhook name is now configurable via --webhook-name flag (sigstore#1726)
  • Use bundle log ID to find verification key (sigstore#1748)
  • Refactor policy related code, add support for vuln verify (sigstore#1747)
  • Create convert functions for internal CIP (sigstore#1736)
  • Move the KMS integration imports into the binary entrypoints (sigstore#1744)

Bug Fixes

Others

Contributors

  • Asra Ali (@asraa)
  • Billy Lynch (@wlynch)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Denny (@DennyHoang)
  • Hayden Blauzvern (@haydentherapper)
  • Hector Fernandez (@hectorj2f)
  • Matt Moore (@mattmoor)
  • Ville Aikas (@vaikas)
  • Vladimir Nachev (@vpnachev)
  • Youssef Bel Mekki (@ybelMekk)
  • Zack Newman (@znewman01)

v1.7.2

Bug Fixes

Others

  • Remove newline from download sbom output (sigstore#1732)
  • Bump github.com/hashicorp/go-uuid from 1.0.2 to 1.0.3 (sigstore#1724)
  • Add unit tests for IntotoAttestation verifier. (sigstore#1728)
  • Bump github/codeql-action from 2.1.7 to 2.1.8 (sigstore#1725)
  • Bump cloud.google.com/go/storage from 1.21.0 to 1.22.0 (sigstore#1721)
  • Bump sigstore/cosign-installer from 2.1.0 to 2.2.0 (sigstore#1723)
  • Bump github.com/xanzy/go-gitlab from 0.61.0 to 0.62.0 (sigstore#1711)
  • Bump google-github-actions/auth from 0.6.0 to 0.7.0 (sigstore#1712)
  • Bump github/codeql-action from 2.1.6 to 2.1.7 (sigstore#1713)
  • Bump codecov/codecov-action from 2.1.0 to 3 (sigstore#1714)

Contributors

  • Carlos Tadeu Panato Junior (@cpanato)
  • Denny (@DennyHoang)
  • Hector Fernandez (@hectorj2f)
  • Josh Dolitsky (@jdolitsky)
  • Rob Best (@ribbybibby)
  • Ville Aikas (@vaikas)

v1.7.1

Bug Fixes

  • commenting out the copy from gcr to ghcr due issues on github side (sigstore#1715)

v1.7.0

Enhancements

Bug Fixes

Documention

  • Document Elastic container registry support (sigstore#1641)
  • FUN.md broke when RecordObj changed to HashedRecordObj (sigstore#1633)
  • Add example using AWS Key Management Service (KMS) (sigstore#1564)

Others

Contributors

  • Adam A.G. Shamblin (@coyote240)
  • Adolfo García Veytia (@puerco)
  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Dan Lorenc (@dlorenc)
  • Davi Garcia (@davivcgarcia)
  • Hayden Blauzvern (@haydentherapper)
  • Hector Fernandez (@hectorj2f)
  • James Strong (@strongjz)
  • Jason Hall (@imjasonh)
  • Kavitha (@kkavitha)
  • Kenny Leung (@k4leung4)
  • Luiz Carvalho (@lcarva)
  • Marco Franssen (@marcofranssen)
  • Mark Percival (@mdp)
  • Matt Moore (@mattmoor)
  • Maxime Gréau (@mgreau)
  • Mitch Thomas (@MitchellJThomas)
  • Naveen Srinivasan (@naveensrinivasan)
  • Nghia Tran (@tcnghia)
  • Priya Wadhwa (@priyawadhwa)
  • Radoslav Gerganov (@rgerganov)
  • Thomas Strömberg (@tstromberg)
  • Ville Aikas (@vaikas)
  • noamichael (@noamichael)

v1.6.0

Security Fixes

  • CVE-2022-23649 - Make sure signature in Rekor bundle matches signature being verified

Enhancements

Bug Fixes

Documention

Others

Contributors

  • Andrew Block (@sabre1041)
  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Blake Burkhart (@bburky)
  • Bob Callaway (@bobcallaway)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Christian Kotzbauer (@ckotzbauer)
  • Christopher Angelo Phillips (@spiffcs)
  • Dan Lorenc (@dlorenc)
  • Dan Luhring (@luhring)
  • Furkan Türkal (@Dentrax)
  • Hayden Blauzvern (@haydentherapper)
  • Jason Hall (@imjasonh)
  • Josh Dolitsky (@jdolitsky)
  • Kenny Leung (@k4leung4)
  • Matt Moore (@mattmoor)
  • Marco Franssen (@marcofranssen)
  • Nathan Smith (@nsmith5)
  • Priya Wadhwa (@priyawadhwa)
  • Sascha Grunert (@saschagrunert)
  • Scott Nichols (@n3wscott)
  • Teppei Fukuda (@knqyf263)
  • Ville Aikas (@vaikas)
  • Yongxuan Zhang (@Yongxuanzhang)
  • Zack Newman (@znewman01)

v1.5.2

Security Fixes

  • CVE-2022-23649 - Make sure signature in Rekor bundle matches signature being verified

Others

Contributors

  • Batuhan Apaydın (@developer-guy)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Dan Lorenc (@dlorenc)
  • Kenny Leung (@k4leung4)
  • Matt Moore (@mattmoor)
  • Nathan Smith (@nsmith5)
  • Priya Wadhwa (@priyawadhwa)
  • Zack Newman (@znewman01)

v1.5.1

Bug Fixes

Documention

Others

Contributors

  • Batuhan Apaydın (@developer-guy)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Dan Lorenc (@dlorenc)
  • Jake Sanders (@dekkagaijin)
  • Jason Hall (@imjasonh)
  • Mark Lodato (@MarkLodato)
  • Rémy Greinhofer (@rgreinho)

v1.5.0

Highlights

Enhancements

Bug Fixes

Others

Contributors

  • Andrew Block (@sabre1041)
  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Bob Callaway (@bobcallaway)
  • Carlos Alexandro Becker (@caarlos0)
  • Carlos Tadeu Panato Junior (@cpanato)
  • Dan Lorenc (@dlorenc)
  • Hayden Blauzvern (@haydentherapper)
  • Hector Fernandez (@hectorj2f)
  • Itxaka (@Itxaka)
  • Ivan Wallis (@venafi-iw)
  • Jake Sanders (@dekkagaijin)
  • Jason Hall (@imjasonh)
  • Josh Dolitsky (@jdolitsky)
  • Josh Soref (@jsoref)
  • Matt Moore (@mattmoor)
  • Morten Linderud (@Foxboron)
  • Priya Wadhwa (@priyawadhwa)
  • Radoslav Gerganov (@rgerganov)
  • Rob Best (@ribbybibby)
  • Sambhav Kothari (@samj1912)
  • Ville Aikas (@vaikas)
  • Zack Newman (@znewman01)

v1.4.1

Highlights

A whole buncha bugfixes!

Enhancements

  • Files created with --output-signature and --output-certificate now created with 0600 permissions (sigstore#1151)
  • Added cosign verify-attestation --local-image for verifying signed images with attestations from disk (sigstore#1174)
  • Added the ability to fetch the TUF root over HTTP with cosign initialize --mirror (sigstore#1185)

Bug Fixes

  • Fixed saving and loading a signed image index to disk (sigstore#1147)
  • Fixed sign-blob --output-certificate writing an empty file (sigstore#1149)
  • Fixed assorted issues related to the initialization and use of Sigstore's TUF root of trust (sigstore#1157)

Contributors

  • Carlos Alexandro Becker (@caarlos0)
  • Carlos Panato (@cpanato)
  • Hayden Blauzvern (@haydentherapper)
  • Jake Sanders (@dekkagaijin)
  • Matt Moore (@mattmoor)
  • Priya Wadhwa (@priyawadhwa)
  • Radoslav Gerganov (@rgerganov)

v1.4.0

Highlights

  • BREAKING [COSIGN_EXPERIMENTAL]: This and future cosign releases will generate signatures that do not validate in older versions of cosign. This only applies to "keyless" experimental mode. To opt out of this behavior, use: --fulcio-url=https://fulcio.sigstore.dev when signing payloads (sigstore#1127)
  • BREAKING [cosign/pkg]: SignedEntryTimestamp is now of type []byte. To get the previous behavior, call strfmt.Base64(SignedEntryTimestamp) (sigstore#1083)
  • cosign-linux-pivkey-amd64 releases are now of the form cosign-linux-pivkey-pkcs11key-amd64 (sigstore#1052)
  • Releases are now additionally signed using the keyless workflow (sigstore#1073, sigstore#1111)

Enhancements

  • Validate the whole attestation statement, not just the predicate (sigstore#1035)
  • Added the options to replace attestations using cosign attest --replace (sigstore#1039)
  • Added URI to cosign verify-blob output (sigstore#1047)
  • Signatures and certificates created by cosign sign and cosign sign-blob can be output to file using the --output-signature and --output-certificate flags, respectively (sigstore#1016, sigstore#1093, sigstore#1066, sigstore#1095)
  • [cosign/pkg] Added the pkg/oci/layout package for storing signatures and attestations on disk (sigstore#1040, sigstore#1096)
  • [cosign/pkg] Added mutate methods to attach oci.Files to oci.Signed* objects (sigstore#1084)
  • Added the --signature-digest-algorithm flag to cosign verify, allowing verification of container image signatures which were generated with a non-SHA256 signature algorithm (sigstore#1071)
  • Builds should now be reproducible (sigstore#1053)
  • Allows base64 files as --cert in cosign verify-blob (sigstore#1088)
  • Kubernetes secrets generated for version >= 1.21 clusters have the immutable bit set (sigstore#1091)
  • Added cosign save and cosign load commands to save and upload container images and associated signatures to disk (sigstore#1094)
  • cosign sign will no longer fail to sign private images in keyless mode without --force (sigstore#1116)
  • cosign verify now supports signatures stored in files and remote URLs with --signature (sigstore#1068)
  • cosign verify now supports certs stored in files (sigstore#1095)
  • Added support for syft format in cosign attach sbom (sigstore#1137)

Bug Fixes

  • Fixed verification of Rekor bundles for InToto attestations (sigstore#1030)
  • Fixed a potential memory leak when signing and verifying with security keys (sigstore#1113)

Contributors

  • Ashley Davis (@SgtCoDFish)
  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Brandon Philips (@philips)
  • Carlos Alexandro Becker (@caarlos0)
  • Carlos Panato (@cpanato)
  • Christian Rebischke (@shibumi)
  • Dan Lorenc (@dlorenc)
  • Erkan Zileli (@erkanzileli)
  • Furkan Türkal (@Dentrax)
  • garantir-km (@garantir-km)
  • Jake Sanders (@dekkagaijin)
  • jbpratt (@jbpratt)
  • Matt Moore (@mattmoor)
  • Mikey Strauss (@houdini91)
  • Naveen Srinivasan (@naveensrinivasan)
  • Priya Wadhwa (@priyawadhwa)
  • Sambhav Kothari (@samj1912)

v1.3.1

  • BREAKING [cosign/pkg]: cosign.Verify has been removed in favor of explicit cosign.VerifyImageSignatures and cosign.VerifyImageAttestations (sigstore#1026)

Enhancements

  • Add ability for verify-blob to find signing cert in transparency log (sigstore#991)
  • root policy: add optional issuer to maintainer keys (sigstore#999)
  • PKCS11 signing support (sigstore#985)
  • Included timeout option for uploading to Rekor (sigstore#1001)

Bug Fixes

Contributors

  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Carlos Panato (@cpanato)
  • Dan Lorenc (@dlorenc)
  • Dennis Leon (@DennisDenuto)
  • Erkan Zileli (@erkanzileli)
  • Furkan Türkal (@Dentrax)
  • garantir-km (@garantir-km)
  • Jake Sanders (@dekkagaijin)
  • Naveen (@naveensrinivasan)

v1.3.0

  • BREAKING: verify-manifest is now manifest verify (sigstore#712)
  • BREAKING: /pkg has been heavily refactored. Further refactoring work will make its way into 1.4.0
  • WARNING: The CLI now uses POSIX-style (double-dash --flag) for long-form flags. It will temporarily accept the single-dash -flag form with a warning, which will become an error in a future release (sigstore#835)
  • Added sget as part of Cosign's releases (sigstore#752)
  • The copasetic utility was unceremoniously baleeted (sigstore#785)

Enhancements

  • Began reworking /pkg around new abstractions for signing, verification, and storage (sigstore#666)
    • Notice: refactoring of /pkg will continue in the next minor release (1.4.0). Please leave feedback, especially if you've been experimenting with cosign as a library and found it lacking (sigstore#844)
    • GGCR-style libraries for interacting with images now exist under pkg/oci (sigstore#770)
    • pkg/cosign/remote.UploadSignature API was been removed in favor of new pkg/oci/remote APIs (sigstore#774)
    • The function signature of cosign.Verify was changed so that callers must be explicit about which signatures (or attestations) to verify. For matching signatures, see also cosign.Verify{Signatures,Attestations} (sigstore#782)
    • Removed cremote.UploadFile in favor of static.NewFile and remote.Write (sigstore#797)
  • Innumerable other improvements to the codebase and automation (Makin me look bad, @mattmoor)
  • Migrated the CLI to cobra (Welcome to the team, @n3wscott)
  • Added the --allow-insecure-registry flag to disable TLS verification when interacting with insecure (e.g. self-signed) container registries (sigstore#669)
  • 🔒 cosigned now includes a mutating webhook that resolves image tags to digests (sigstore#800)
  • 🔒 The cosigned validating webhook now requires image digest references (sigstore#799)
  • The cosigned webhook now ignores resources that are being deleted (sigstore#803)
  • The cosigned webhook now supports resolving private images that are authenticated via imagePullSecrets (sigstore#804)
  • manifest verify now supports verifying images in all Kubernetes objects that fit within PodSpec, PodSpecTemplate, or JobSpecTemplate, including CRDs (sigstore#697)
  • Added shell auto-completion support (Clutch collab from @erkanzileli, @passcod, and @Dentrax! sigstore#836)
  • cosign has generated Markdown docs available in the doc/ directory (sigstore#839)
  • Added support for verifying with secrets from a GitLab project (sigstore#934)
  • Added a --k8s-keychain option that enables cosign to support ambient registry credentials based on the "k8schain" library (sigstore#972)
  • CI (test) Images are now created for every architecture distroless ships on (currently: amd64, arm64, arm, s390x, ppc64le) (sigstore#973)
  • attest: replaced --upload flag with a --no-upload flag (sigstore#979)

Bug Fixes

  • cosigned now verifies CronJob images (Terve, @vaikas sigstore#809)
  • Fixed the verify --cert-email option to actually work (Sweet as, @passcod sigstore#821)
  • public-key -sk no longer causes error: x509: unsupported public key type: *crypto.PublicKey (sigstore#864)
  • Fixed interactive terminal support in Windows (sigstore#871)
  • The -ct flag is no longer ignored in upload blob (sigstore#910)

Contributors

  • Aditya Sirish (@adityasaky)
  • Asra Ali (@asraa)
  • Axel Simon (@axelsimon)
  • Batuhan Apaydın (@developer-guy)
  • Brandon Mitchell (@sudo-bmitch)
  • Carlos Panato (@cpanato)
  • Chao Lin (@blackcat-lin)
  • Dan Lorenc (@dlorenc)
  • Dan Luhring (@luhring)
  • Eng Zer Jun (@Juneezee)
  • Erkan Zileli (@erkanzileli)
  • Félix Saparelli (@passcod)
  • Furkan Türkal (@Dentrax)
  • Hector Fernandez (@hectorj2f)
  • Ivan Font (@font)
  • Jake Sanders (@dekkagaijin)
  • Jason Hall (@imjasonh)
  • Jim Bugwadia (@JimBugwadia)
  • Joel Kamp (@mrjoelkamp)
  • Luke Hinds (@lukehinds)
  • Matt Moore (@mattmoor)
  • Naveen (@naveensrinivasan)
  • Olivier Gaumond (@oliviergaumond)
  • Priya Wadhwa (@priyawadhwa)
  • Radoslav Gerganov (@rgerganov)
  • Ramkumar Chinchani (@rchincha)
  • Rémy Greinhofer (@rgreinho)
  • Scott Nichols (@n3wscott)
  • Shubham Palriwala (@ShubhamPalriwala)
  • Viacheslav Vasilyev (@avoidik)
  • Ville Aikas (@vaikas)

v1.2.0

Enhancements

  • BREAKING: move verify-dockerfile to dockerfile verify (sigstore#662)
  • Have the keyless cosign sign flow use a single 3LO. (sigstore#665)
  • Allow to verify-blob from urls (sigstore#646)
  • Support GCP environments without workload identity (GCB). (sigstore#652)
  • Switch the release cosign container to debug. (sigstore#649)
  • Add logic to detect and use ambient OIDC from exec envs. (sigstore#644)
  • Add -cert-email flag to provide the email expected from a fulcio cert to be valid (sigstore#622)
  • Add support for downloading signature from remote (sigstore#629)
  • Add sbom and attestations to triangulate (sigstore#628)
  • Add cosign attachment signing and verification (sigstore#615)
  • Embed CT log public key (sigstore#607)
  • Verify SCTs returned by fulcio (sigstore#600)
  • Add extra replacement variables and GCP's role identifier (sigstore#597)
  • Store attestations in the layer (payload) rather than the annotation. (sigstore#579)
  • Improve documentation about predicate type and change predicate type from provenance to slsaprovenance (sigstore#583)
  • Upgrade in-toto-golang to adapt SLSA Provenance (sigstore#582)

Bug Fixes

  • Fix verify-dockerfile to allow lowercase FROM (sigstore#643)
  • Fix signing for the cosigned image. (sigstore#634)
  • Make sure generate-key-pair doesn't overwrite existing key-pair (sigstore#623)
  • helm/ci: update helm repo before installing the dependency (sigstore#598)
  • Set the correct predicate type/URI for each supported predicate type. (sigstore#592)
  • Warnings on admissionregistration version (sigstore#581)
  • Remove unnecessary COSIGN_PASSWORD (sigstore#572)

Contributors

  • Batuhan Apaydın
  • Ben Walding
  • Carlos Alexandro Becker
  • Carlos Tadeu Panato Junior
  • Erkan Zileli
  • Hector Fernandez
  • Jake Sanders
  • Jason Hall
  • Matt Moore
  • Michael Lieberman
  • Naveen Srinivasan
  • Pradeep Chhetri
  • Sambhav Kothari
  • dlorenc
  • priyawadhwa

v1.1.0

Enhancements

  • BREAKING: The -attestation flag has been renamed to -predicate in attest (sigstore#500)
  • Added verify-manifest command (sigstore#490)
  • Added the ability to specify and validate well-known attestation types in attest with the -type flag (sigstore#504)
  • Added cosign init command to setup the trusted local repository of SigStore's TUF root metadata (sigstore#520)
  • Added timestamps to Cosign's custom In-Toto predicate (sigstore#533)
  • verify now always verifies that the image exists (even when referenced by digest) before verification (sigstore#543)

Bug Fixes

  • verify-dockerfile no longer fails on FROM scratch (sigstore#509)
  • Fixed reading from STDIN with attach sbom (sigstore#517)
  • Fixed broken documentation and implementation of -output for verify and verify-attestation (sigstore#546)
  • Fixed nil pointer error when calling upload blob without specifying -f (sigstore#563)

Contributors

  • Adolfo García Veytia (@puerco)
  • Anton Semjonov (@ansemjo)
  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Carlos Panato (@cpanato)
  • Dan Lorenc (@dlorenc)
  • @gkovan
  • Hector Fernandez (@hectorj2f)
  • Jake Sanders (@dekkagaijin)
  • Jim Bugwadia (@JimBugwadia)
  • Jose Donizetti (@josedonizetti)
  • Joshua Hansen (@joshes)
  • Jason Hall (@imjasonh)
  • Priya Wadhwa (@priyawadhwa)
  • Russell Brown (@rjbrown57)
  • Stephan Renatus (@srenatus)
  • Li Yi (@denverdino)

v1.0.0

Enhancements

  • BREAKING: The default HSM key slot is now "signature" instead of "authentication" (sigstore#450)
  • BREAKING: --fulcio-server is now --fulcio-url (sigstore#471)
  • Added -cert flag to sign to allow the explicit addition of a signature certificate (sigstore#451)
  • Added the attest command (sigstore#458)
  • Added numerous flags for specifying parameters when interacting with Rekor and Fulcio (sigstore#462)
  • cosign will now send its version string as part of the user-agent when interacting with a container registry (sigstore#479)
  • Files containing certificates for custom Fulcio endpoints can now be specified via the COSIGN_ROOT environment variable (sigstore#477)

Bug Fixes

  • Fixed a situation where lower-case as would break verify-dockerfile (Complements to @Dentrax sigstore#433)

Contributors

  • Appu Goundan (@loosebazooka)
  • Batuhan Apaydın (@developer-guy)
  • Carlos Panato (@cpanato)
  • Dan Lorenc (@dlorenc)
  • Furkan Türkal (@Dentrax)
  • Hector Fernandez (@hectorj2f)
  • Jake Sanders (@dekkagaijin)
  • James Alseth (@jalseth)
  • Jason Hall (@imjasonh)
  • João Pereira (@joaodrp)
  • Luke Hinds (@lukehinds)
  • Tom Hennen (@TomHennen)

v0.6.0

Enhancements

  • BREAKING: Moved cosign upload-blob to cosign upload blob (sigstore#378)
  • BREAKING: Moved cosign upload to cosign attach signature (sigstore#378)
  • BREAKING: Moved cosign download to cosign download signature (sigstore#392)
  • Added flags to specify slot, PIN, and touch policies for security keys (Thank you @ddz sigstore#369)
  • Added cosign verify-dockerfile command (sigstore#395)
  • Added SBOM support in cosign attach and cosign download sbom (sigstore#387)
  • Sign & verify images using Kubernetes secrets (A muchas muchas gracias to @developer-guy and @Dentrax sigstore#398)
  • Added support for AWS KMS (谢谢, @codysoyland sigstore#426)
  • Numerous enhancements to our build & release process, courtesy @cpanato

Bug Fixes

  • Verify entry timestamp signatures of fetched Tlog entries (sigstore#371)

Contributors

  • Asra Ali (@asraa)
  • Batuhan Apaydın (@developer-guy)
  • Carlos Panato (@cpanato)
  • Cody Soyland (@codysoyland)
  • Dan Lorenc (@dlorenc)
  • Dino A. Dai Zovi (@ddz)
  • Furkan Türkal (@Dentrax)
  • Jake Sanders (@dekkagaijin)
  • Jason Hall (@imjasonh)
  • Paris Zoumpouloglou (@zuBux)
  • Priya Wadhwa (@priyawadhwa)
  • Rémy Greinhofer (@rgreinho)
  • Russell Brown (@rjbrown57)

v0.5.0

Enhancements

  • Added cosign copy to easily move images and signatures between repositories (sigstore#317)
  • Added -r flag to cosign sign for recursively signing multi-arch images (sigstore#320)
  • Added cosign clean to delete signatures for an image (Thanks, @developer-guy! sigstore#324)
  • Added -k8s flag to cosign generate-key-pair to create a Kubernetes secret (Hell yeah, @priyawadhwa! sigstore#345)

Bug Fixes

  • Fixed an issue with misdirected image signatures when COSIGN_REPOSITORY was used (sigstore#323)

Contributors

  • Balazs Zachar (@Cajga)
  • Batuhan Apaydın (@developer-guy)
  • Dan Lorenc (@dlorenc)
  • Furkan Turkal (@Dentrax)
  • Jake Sanders (@dekkagaijin)
  • Jon Johnson (@jonjohnsonjr)
  • Priya Wadhwa (@priyawadhwa)

v0.4.0

Action Required

  • Signatures created with cosign before v0.4.0 are not compatible with those created after
    • The signature image's manifest now uses OCI mediaTypes (#300)
    • The signature image's tag is now terminated with .sig (instead of .cosign, #287)

Enhancements

  • 🎉 Added support for "offline" verification of Rekor signatures 🎉 (ありがとう, priyawadhwa! #285)
  • Support for Hashicorp vault as a KMS provider has been added (Danke, RichiCoder1! sigstore/sigstore #44, sigstore/sigstore #49)

Bug Fixes

  • GCP KMS URIs now include the key version (#45)

Contributors

  • Christian Pearce (@pearcec)
  • Dan Lorenc (@dlorenc)
  • Jake Sanders (@dekkagaijin)
  • Priya Wadhwa (@priyawadhwa)
  • Richard Simpson (@RichiCoder1)
  • Ross Timson (@rosstimson)

v0.3.1

Bug Fixes

  • Fixed CI container image breakage introduced in v0.3.0
  • Fixed lack of version information in release binaries

v0.3.0

This is the third release of cosign!

We still expect many flags, commands, and formats to change going forward, but we're getting closer. No backwards compatibility is promised or implied yet, though we are hoping to formalize this policy in the next release. See #254 for more info.

Enhancements

  • The -output-file flag supports writing output to a specific file
  • The -key flag now supports kms references and URLs, the kms specific flag has been removed
  • Yubikey/PIV hardware support is now included!
  • Support for signing and verifying multiple images in one invocation

Bug Fixes

  • Bug fixes in KMS keypair generation
  • Bug fixes in key type parsing

Contributors

  • Dan Lorenc
  • Priya Wadhwa
  • Ivan Font
  • Dependabot!
  • Mark Bestavros
  • Jake Sanders
  • Carlos Tadeu Panato Junior

v0.2.0

This is the second release of cosign!

We still expect many flags, commands, and formats to change going forward, but we're getting closer. No backwards compatibility is promised or implied.

Enhancements

  • The password for private keys can now be passed via the COSIGN_PASSWORD
  • KMS keys can now be used to sign and verify blobs
  • The version command can now be used to return the release version
  • The public-key command can now be used to extract the public key from KMS or a private key
  • The COSIGN_REPOSITORY environment variable can be used to store signatures in an alternate location
  • Tons of new EXAMPLES in our help text

Bug Fixes

  • Improved error messages for command line flag verification
  • TONS more unit and integration testing
  • Too many others to count :)

Contributors

We would love to thank the contributors:

  • Dan Lorenc
  • Priya Wadhwa
  • Ahmet Alp Balkan
  • Naveen Srinivasan
  • Chris Norman
  • Jon Johnson
  • Kim Lewandowski
  • Luke Hinds
  • Bob Callaway
  • Dan POP
  • eminks
  • Mark Bestavros
  • Jake Sanders

v0.1.0

This is the first release of cosign!

The main goal of this release is to release something we can start using to sign other releases of sigstore projects, including cosign itself.

We expect many flags, commands, and formats to change going forward. No backwards compatibility is promised or implied.

Enhancements

This release added a feature to cosign called cosign. The cosign feature can be used to sign container images and blobs. Detailed documentation can be found in the README and the Detailed Usage.

Bug Fixes

There was no way to sign container images. Now there is!

Contributors

We would love to thank the contributors:

  • dlorenc
  • priyawadhwa
  • Ahmet Alp Balkan
  • Ivan Font
  • Jason Hall
  • Chris Norman
  • Jon Johnson
  • Kim Lewandowski
  • Luke Hinds
  • Bob Callaway