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PyPI's Sigstore-powered attestations are now generally available

Nov 14, 2024 · William Woodruff (Trail of Bits), Dustin Ingram (Google), Hayden Blauzvern (Google)

Check out the PyPI blog and Trail of Bits blog for more user-facing and technical details, respectively! Over the past year, the Google Open Source Security Team and Trail of Bits have worked together to implement PEP 740, a Python packaging standard that allows users to upload Sigstore-based attestations to the Python Package Index. Today we’re pleased to announce that attestation support on PyPI is generally available, meaning that project maintainers can submit attestations for both PyPI and downstream users to verify.

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Announcing sigstore-python 2.0

Sep 29, 2023 · William Woodruff (Trail of Bits), Dustin Ingram (Google)

We are delighted to announce the 2.0 release of sigstore-python, a Python client for signing and verifying Sigstore signatures! $ python -m pip install -U sigstore $ python -m sigstore --version sigstore 2.0.0 This release has been in the works for a while, and contains a number of significant improvements and breaking changes to both the sigstore CLI and Python APIs. We’ve also updated the official sigstore/gh-action-sigstore-python action to use the latest 2.

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Announcing the 1.0 release of sigstore-python

Jan 14, 2023 · di_codes

The sigstore-python project began 1 year ago in January 2022 with the goal of providing a Sigstore-compatible client similar to cosign, but built entirely with Python and easily adoptable by the Python ecosystem. Today, thanks to the support of the community and work of 18 unique contributors, we’re excited to announce a usable and reference-quality 1.0 stable release of that client, which includes an importable Python API as well as a fully functional CLI.

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Why you can’t use Sigstore without Sigstore

Jan 6, 2023 · Zachary Newman

Photo by C Dustin on Unsplash I was delighted to see a recent preprint that mentioned Sigstore appear on the IACR’s Cryptology ePrint Archive. The reason that we published an academic paper, Sigstore: Software Signing for Everybody, was to encourage the scrutiny of the research community. Progress in the field of computer security only comes from the back-and-forth between proposed defenses and offensive analyses of those techniques, and we welcome third-party analysis of the project.

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Sigstore November Roundup

Nov 10, 2022 · sigstore

Sigstore GA Sigstore is excited to announce General Availability (GA) for the Rekor transparency log and Fulcio certificate authority public benefit services! The community has been working hard all year to accomplish this milestone, and we are thrilled that open source communities can now confidently rely on Sigstore for production-grade stable services for artifact signing and verification. Read the Full Post by the Technical Steering Committee SigstoreCon Recap SigstoreCon on October 25 in Detroit was Sigstore’s first-ever event and we’re so happy to say that it was a success!

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Sigstore Announces General Availability for Rekor and Fulcio

Oct 25, 2022 · Priya Wadhwa

Sigstore is excited to announce general availability (GA) for the Rekor transparency log and Fulcio certificate authority public benefit services! The community has been working hard all year to accomplish this milestone, and we are thrilled that open source communities can now confidently rely on Sigstore for production grade stable services for artifact signing and verification. While the Sigstore community has maintained a public instance since early 2021, the services were operated on a best-effort basis and maintainers periodically had to make breaking changes or reset data.

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