Generate a random password 30 characters long

gpg --gen-random --armor 1 30
According to the gpg(1) manual: --gen-random 0|1|2 count Emit count random bytes of the given quality level 0, 1 or 2. If count is not given or zero, an endless sequence of random bytes will be emitted. If used with --armor the output will be base64 encoded. PLEASE, don't use this command unless you know what you are doing; it may remove precious entropy from the system! If your entropy pool is critical for various operations on your system, then using this command is not recommended to generate a secure password. With that said, regenerating entropy is as simple as: du -s / This is a quick way to generate a strong, base64 encoded, secure password of arbitrary length, using your entropy pool (example above shows a 30-character long password).
Sample Output
jb/F1GM9VvS1nd8Ip1NfgP6LAehj9ntTohxw9AXM

11
By: atoponce
2011-07-20 15:32:49

13 Alternatives + Submit Alt

What Others Think

That command gives a string 40 characters long, not 30. You forgot that base64 encoding will always give 4 characters for each 3 bytes (or part thereof) of input.
Mozai · 660 weeks and 3 days ago
You're right. Good call.
atoponce · 660 weeks and 1 day ago
Try this one function randomPassword() { $alphabet = "abcdefghijklmnopqrstuwxyzABCDEFGHIJKLMNOPQRSTUWXYZ0123456789"; for ($i = 0; $i < 8; $i++) { $n = rand(0, count($alphabet)-1); $pass[$i] = $alphabet[$n]; } return $pass; } I did it on my website $ e-hipokrates.com
Gerald_Wall · 206 weeks ago
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missmawar222 · 4 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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