Topic

crypto

A collection of 5 issues

GPG key in TPM

Using GPG with a TPM protected private key

Certificate Authority in TPM

Experimenting with storing Certificate Authority keys in a TPM 2.0

U2F/Fido2 based SSH keys on Windows

When trying to figure out why ssh-agent forwarding wasn't working from Windows to an Ubuntu 22 server, I saw that build V8.9.0.0p1-Beta of Microsoft's OpenSSH port included U2F/Fido2 hardware authenticators. Installing There's a few ways to install this, I'

Cryptanalysis of the Oceantoo cipher

I saw this video of creating an encryption algorithm on the channel Gary Explains: Gary's video goes through creating a new symmetric crypto algorithm. He says multiple times that this is just an experiment and not to be used with anything important. This is because crypto is challenging,

GNUK: Open Source GPG/SSH hardware key storage

I noticed the GNUK project had support for the STM32 Blue Pill. I've been looking for an open source hardware key storage for GPG/SSH keys, so I tried it out. GNUK supports the OpenPGP smartcard protocol, and has space for 3 keys. The keys are named: "