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Generate random password in ruby (See related posts)

Aaron Blohowiak suggests adding this as a public method in user.rb:


def new_random_password
  self.password= Digest::SHA1.hexdigest("--#{Time.now.to_s}--#{login}--")[0,6]
  self.password_confirmation = self.password
end
to rails random password generation act_as_authenticated by Mickael on Tue Mar 06 03:51:55 -0500 2007

Comments on this post

adb posts on Mar 26, 2007 at 15:03
It makes me pretty nervous to use passwords that weak by default. This has more characters and more randomness:

self.password = Base64.encode64(Digest::SHA1.digest("#{rand(1<<64)}/#{Time.now.to_f}/#{Process.pid}/#{login}"))[0..7]


But ultimately, if somebody knows about when you created the password and what your username are, there aren't that many possibilities to try. It would be best to include something truly random, which is hard to do cross-platform.

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