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usr/share/doc/pwgen/pwgen.txtPwgen - password generator
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Pwgen is a small, GPL'ed password generator which creates
passwords which can be easily memorized by a human.
The pwgen program generates passwords which are designed to be easily
memorized by humans, while being as secure as possible. Human-memo-
rable passwords are never going to be as secure as completely com-
pletely random passwords. In particular, passwords generated by pwgen
without the -s option should not be used in places where the password
could be attacked via an off-line brute-force attack. On the other
hand, completely randomly generated passwords have a tendency to be
written down, and are subject to being compromised in that fashion.
The pwgen program is designed to be used both interactively, and in
shell scripts. Hence, its default behavior differs depending on
whether the standard output is a tty device or a pipe to another pro-
gram. Used interactively, pwgen will display a screenful of passwords,
allowing the user to pick a single password, and then quickly erase the
screen. This prevents someone from being able to "shoulder surf" the
user's chosen password.
Usage: pwgen [ OPTIONS ] [ pw_length ] [ num_pw ]
Options supported by pwgen:
-c or --capitalize
Include at least one capital letter in the password
-A or --no-capitalize
Don't include capital letters in the password
-n or --numerals
Include at least one number in the password
-0 or --no-numerals
Don't include numbers in the password
-y or --symbols
Include at least one special symbol in the password
-s or --secure
Generate completely random passwords
-B or --ambiguous
Don't include ambiguous characters in the password
-h or --help
Print a help message
-H or --sha1=path/to/file[#seed]
Use sha1 hash of given file as a (not so) random generator
-C
Print the generated passwords in columns
-1
Don't print the generated passwords in columns
-v or --no-vowels
Do not use any vowels so as to avoid accidental nasty words
Verwendete Software
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http://sourceforge.net/projects/pwgen
Copyright (c) 2006-2023 Holger Bruenjes, holgerbruenjes(at)gmx(dot)net