I'm using an Ubuntu-based system, and I'm having difficulty determining what ciphers and cipher modes are available to me.
The cryptsetup man page says:
"See /proc/crypto for a list of available options. You might need to load additional kernel crypto modules in order to get more options."
My /proc/crypto has very little in it. How do I find out which extra kernel crypto modules are available for me to load?
Best Answer
There are many, many documents and man pages to read through, but one document that might particularly interest you is the LUKS On-Disk Format Specification (PDF).
Appendix B (which is, naturally, near the end) says,
Editor’s Note: The above is copied from the specification. Subsequent to its writing, these documents’ URLs have changed: