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30 lines
1.2 KiB
TeX
30 lines
1.2 KiB
TeX
\section{\module{crypt} ---
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Function used to check \UNIX{} passwords}
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\declaremodule{builtin}{crypt}
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\platform{Unix}
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\modulesynopsis{The \cfunction{crypt()} function used to check \UNIX{}
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passwords.}
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\moduleauthor{Steven D. Majewski}{sdm7g@virginia.edu}
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\sectionauthor{Steven D. Majewski}{sdm7g@virginia.edu}
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This module implements an interface to the \manpage{crypt}{3} routine,
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which is a one-way hash function based upon a modified DES algorithm;
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see the \UNIX{} man page for further details. Possible uses include
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allowing Python scripts to accept typed passwords from the user, or
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attempting to crack \UNIX{} passwords with a dictionary.
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\index{crypt(3)}
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\begin{funcdesc}{crypt}{word, salt}
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\var{word} will usually be a user's password. \var{salt} is a
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2-character string which will be used to select one of 4096 variations
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of DES\indexii{cipher}{DES}. The characters in \var{salt} must be
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either \character{.}, \character{/}, or an alphanumeric character.
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Returns the hashed password as a string, which will be composed of
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characters from the same alphabet as the salt.
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\end{funcdesc}
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The module and documentation were written by Steve Majewski.
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\index{Majewski, Steve}
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