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X25519MLKEM768 TLS-Handshake in Bertie

Annonuncing availability of post-quantum TLS handshakes in the Bertie server component.

Summer is over for some months on the northern hemisphere, and so is the draft phase of NISTs post-quantum cryptographic standards. Since August 13, 2024, FIPS has standardized Kyber as ML-KEM in FIPS …
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Cryspen @ VSTTE 2024

Karthik gave an invited talk on High Assurance Post-Quantum Cryptography at VSTTE 2024.

Verified Software: Theories, Tools, and Experiments is a conference that aims to advance the state of the art in software verification.

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Cryspen @ Crypto 2024

Karthik gave an invited talk on Formal Methods for Cryptography at Crypto 2024.

Crypto is the top international conference on cryptography and is held every year (since 1981) in Santa Barbara, California. This year, Crypto invited Karthikeyan Bhargavan, our Chief Research …
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Formally Verified Post-Quantum Cryptography

Cryspen provides high assurance, high performance open source implementations of post-quantum cryptography.

The US National Institute of Standards and Technology (NIST) just released the first three standards for Post-Quantum KEMs (ML-KEM) and Signatures (ML-DSA, SLH-DSA). This first official publication of …
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Announcing the hax Playground

Our Rust verification framework now has a web playground!

We’re proud to announce the hax playground! Inspired by the Rust Playground, the hax playground allows you to play with hax directly in your web browser!

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Cryspen Welcomes Maxime

Maxime joins the Cryspen family.

We’re thrilled to announce that Maxime Buyse has joined the Cryspen team as a Formal Verification Engineer! 🎉 Maxime is a whiz when it comes to formal methods, software verification, compilers, …
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High Assurance IoT PQC

Securing the Internet of Things in the age of Quantum Computers.

Together with our sister-company CryptoEng, we extend our libcrux cryptographic library with support for resource constrained IoT devices. Read their announcement here. The libcrux-iot library …
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Cryspen @ FMCP 2024

We gave a talk at the NIST workshop on Formal Methods within Certification Programs.

The US National Institute of Standards and Technology (NIST) publishes a number of important cryptographic standards (including upcoming ones for post-quantum cryptography), and runs the cryptographic …
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Unlocking New Possibilities

Cryspen partners with SandboxAQ to accelerate hax adoption

We have been developing the hax toolchain over the last two years, in collaboration with research teams at Inria and the University of Aarhus. To showcase its capabilities we have successfully applied …