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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Testimonials

News

Sequoia 1.4 is released

By Justus on October 6, 2021

We’re happy to announce the release of version 1.4 of our low-level OpenPGP library. The most prominent change is the addition of a new cryptographic backend based on the RustCrypto crates.

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Yes, We Want Cryptographic Protection for Email

By Neal on June 29, 2021

The EFAIL attacks demonstrate that securing email is hard. Incautious improvements to usability can lead to critical security vulnerabilities. In the case of EFAIL, an attacker could exploit mail clients that show corrupted messages to exfiltrate a message’s plain text.

Although the EFAIL researchers are measured in their response, others, like Thomas Ptacek in his widely cited articles The PGP Problem from 2019, and Stop Using Encrypted Email from 2020, are calling for people to abandon OpenPGP, and give up on secure email. Instead, they argue, people should use secure messengers like Signal.

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Presentations

Do you want to see more?

There are a number of projects under the Sequoia umbrella.

Projects