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yorzi/generate random token in certain number

Created October 12, 2011 09:17
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random_token.rb
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generate random token in certain number
def random_token(number=10)
Digest::SHA1.hexdigest(Time.now.to_i.to_s)[1..number]
end
@namelessjon
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If you're on 1.9, why not

require 'securerandom'
SecureRandom.hex(10)

Much reduced chance of collisions should you get two requests in one second and much less possible to predict if you know the approximate time.

@yorzi
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yorzi commented Oct 12, 2011

@namelessjon, you right, thanks! Your way is much better I think. My way relies on Time.now, but it should work correctly in my case :)

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