This optional parameter specifies a character pattern that
will be used to generate random passwords by generate_password() and the
default ChallengeHook.
- a
Lowercase alphanumeric
(abcdefghijklmnopqrstuvwxyz0123456789)
- A
Uppercase alphanumeric
(ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789)
- c
lowercase consonant (bcdfghjklmnpqrstvwxyz)
- C
uppercase consonant (BCDFGHJKLMNPQRSTVWXYZ)
- v
lowercase vowel (aeiou)
- V
uppercase vowel (AEIOU)
- 9
numeric (0123456789)
- anything else is used literally
The default is cvcvcvc99 which produces passwords
like:
vosuyic04
rezeqek86
jocupon50