master
Switch the remaining users of libdes in src to libcrypto, telnet portion partially from the latest heimdal.
floppy disks are obsolete. recommend keeping the keyfile on a flash disk instead. ok mlarkin
Use the safe idiom of cleaning sensitive data from memory with explicit_bzero, instead of relying on other methods, after readpassphrase. Some programs on this diff won't benefit that much since it happens near the terminal path, but someone might copy the unsafe idiom to another program and place it where it may leak sensitive data.