Notes posted by brian

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August 13, 2009
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no overwrite

const_set does not overwrite, it only create new ones

May 4, 2009
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clarification

Via Kenneth Kalmer:

From the man page: If salt is a character string starting with the characters “$id$” followed by a string terminated by “$”: $id$salt$encrypted then instead of using the DES machine, id identifies the encryption method used and this then determines how the rest of the password string is interpreted.

irb session

=> “abNANd1rDfiNc”
irb(main):002:0> “secret”.crypt(”abasasa”)
=> “abNANd1rDfiNc”
irb(main):003:0> “secret”.crypt(”$1$abasasa”)
=> “$1$abasasa$2RZY2vd6E2ZEPSDa0eLec0″
irb(main):004:0> “secret”.crypt(”$1$abasa”)
=> “$1$abasa$ikoKICgwOFdcWgmDl9Asy1″

see http://www.opensourcery.co.za/2009/05/01/quick-nix-shadow-passwords-with-ruby/