spass is a secure password generation tool.
spass was designed under the assumption that a password generator is as good as its random number generator, so
spass uses the
Random class, a
/dev/random based cryptographically strong random number generator class. As always, I tried to make the command-line interface as user-friendly as possible (as much as a command-line interface can be friendly).
You can download
spass from here.
Installation is pretty straight forward, just untar the archive and run
make ; make install. This will compile
spass and place it under
spass can do all sorts of password generation, and do it in a user-friendly command line interface.
To create a simple password containing alphanumeric characters and some special symbols, just run
spass 10 where 10 specifies the length of the password. You can control the character range from which passwords are created using command line flags. For example
spass -a 8 will create 8 character long alphanumeric only password. There are flags for numbers only, lowercase, uppercase, hexadecimal, and extended special symbols set.
You can generate multiple passwords at once. For example
spass -N 5 7 will create five 7 character long passwords.
/dev/random for random number generation, it may block when entropy levels are low. When generating large amount of passwords, one may want to call
spass-f flag, to instruct it to use
/dev/urandom results in lower quality of random numbers, but much faster password generation for large amounts of passwords.
There are more features for
spass --help to see a full list of features.
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spass– A Secure Password Generator Utility”