KZen hired Kudelski Security to perform a security assessment of their curv library, providing access to source code and documentation. KZen Curv is a library
Co-authored by Nils Amiet and Yolan Romailler This is a summary of the talk we gave on the 11th of August at DEF CON 26
The RSA cryptosystem has had its fair share of attacks over the years, but among the most impressive, you can find the infamous Bleichenbacher attack
I recently discovered a problem that involves PGP and a symmetric cipher called Camellia. It is possible to advertise the use of Camellia in your
We’ve succesfully conducted a fault attack against EdDSA that allowed us to recover enough secret key material to produce fake signatures for any message in a way a verifier cannot detect.
During an internal project pertaining to automated cryptographic testing, we discovered that many implementations don’t respect standard specifications, especially signature algorithms. Let us take a