The cipher.h file lists more ciphers than the --version switch. I'm interested in the Dummy cipher (S110), but I don't want to set that as a preference on my key. I tried the options: --cipher-algo dummy --expert and the cipher was unrecognized. Is there a way to do this from the commandline? Or do I have to set up S110 as my one and only preference on my key to make it work?