Peter Pentchev writes:
> The crypt.c and crypt-md5.c files in src/lib/libcrypt/ do not really
> pose any restrictions on the salt, short of the obvious one of its
> not containing a '$' character :)
> I guess going with the base64 characters would be a good bet.
Any character that does not mess up master.passwd. So ":" is also a no-no.
iumop ap!sdn w,I idlaH