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Simon Josefsson

@jas4711

https://blog.josefsson.org/

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13.04.2024
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Latest posts by Simon Josefsson @jas4711

Converted to C using Charon/Eurydice: github.com/openssh/open...

13.03.2026 06:01 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Great work! Did you review how OpenSSH uses libcrux for ML-KEM? That is an(other) important real-world application.

12.03.2026 07:31 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Preview
Verification Theatre: False Assurance in Formally Verified Cryptographic Libraries Every formally verified system embeds a verification boundary: the interface between code with machine-checked proofs and code that is trusted without them. We study what happens when this boundary is...

As ridiculous as this is starting to sound... yes, I've found yet more bugs in Cryspen's formally verified core.

19.02.2026 12:08 ๐Ÿ‘ 5 ๐Ÿ” 2 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Updating Classic McEliece and Chempat post-quantum key agreement IETF drafts #cfrg #pq #kem mailarchive.ietf.org/arch/msg/cfr...

14.04.2024 11:12 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0