Secure and Robust

Sequoia focuses on security and robustness in our choice of tools, our development methodology, and feature set.

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Easy to Use

A library is only as good as its integration in downstream projects. As such, we made ease of use one of our main goals.

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Holistic Approach

Improving the security of OpenPGP users requires more than a new implementation. Therefore, we are taking a holistic approach and are improving the ecosystem.

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Happy SHA1 Rejection Day

By Justus on February 1, 2023

Today is the day Sequoia’s StandardPolicy starts rejecting SHA1-based signatures by default. This change will affect existing programs based on Sequoia, as the SHA1 deprecation has been committed to and baked into the code three years ago. Therefore, all programs using sequoia-openpgp version 0.15 and up will now reject SHA1-based signatures by default.

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The Sequoia GnuPG Chameleon 0.1 is Released

By Justus on December 19, 2022

We are pleased to announce the first release of the Chameleon, Sequoia’s reimplementation of the GnuPG interface. This is a technology preview, but we encourage developers who integrate GnuPG into their software to see whether it works with the Chameleon.

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There are a number of projects under the Sequoia umbrella.