When I use
gpg --symmetric --s2k- and press tab some options appear:
--s2k-cipher-algo --s2k-count --s2k-digest-algo --s2k-mode
What do those options do?
Questions on IT Security Stack Exchange are expected to relate to IT security within the scope defined in the FAQ. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about closed questions here.
In GnuPG 1.4.12 defaults are (found experimentally):
You can see how your existing keys are encrypted by typing
But all algorithms supported by GnuPG can be efficiently automated at GPUs. So I suggest to use side implementation of