It's Now Possible To Sign Arbitrary Data With Your SSH Keys
https://www.agwa.name/blog/post/ssh_signatures Did you know that you can use the ssh-keygen command to sign and verify signatures on arbitrary data, like files and software releases? Although this feature isn't super new - it was added in 2019 with OpenSSH 8.0 - it seems to be little-known. That's a shame because it's super useful and the most viable alternative to PGP for signing data. If you're currently using PGP to sign data, you should consider switching to SSH signatures. Here's why I like SSH signatures: It's not PGP. For years, security professionals have been sounding the alarm on PGP , including its most popular implementation, GnuPG/GPG. PGP is absurdly complex, has an awful user experience, and is full of crufty old cryptography which shouldn't be touched with a ten foot pole. SSH is everywhere, and people already have SSH keys. If you use Debian Bullseye or Ubuntu 20.04 or newer, you already have a new enough version of SSH installed. And...