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
Tag: Crypto
How to defeat Ed25519 and EdDSA using faults
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.
OpenSSH hardening for cloud machine – part 1
SSH is often required to access Linux machines that run on the Cloud infrastructure. SSH is perfect to keep confidentiality and integrity of data exchanged between two