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annotate Doc/lib/libcrypt.tex @ 10123:bc287c6cfa23 legacy-trunk

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Restructured a bit.
author Guido van Rossum <guido@python.org>
date Mon, 08 Feb 1999 22:27:18 +0000
parents acfffe14628e
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1 \section{\module{crypt} ---
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2 The \cfunction{crypt()} function used to check \UNIX{} passwords.}
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3 \declaremodule{builtin}{crypt}
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4
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5 \modulesynopsis{The \cfunction{crypt()} function used to check \UNIX{} passwords.}
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6
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8 This module implements an interface to the \manpage{crypt}{3} routine,
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9 which is a one-way hash function based upon a modified DES algorithm;
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10 see the \UNIX{} man page for further details. Possible uses include
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11 allowing Python scripts to accept typed passwords from the user, or
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12 attempting to crack \UNIX{} passwords with a dictionary.
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13 \index{crypt(3)}
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15 \begin{funcdesc}{crypt}{word, salt}
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16 \var{word} will usually be a user's password. \var{salt} is a
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17 2-character string which will be used to select one of 4096 variations
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18 of DES\indexii{cipher}{DES}. The characters in \var{salt} must be
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19 either \code{.}, \code{/}, or an alphanumeric character. Returns the
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20 hashed password as a string, which will be composed of characters from
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21 the same alphabet as the salt.
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22 \end{funcdesc}
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23
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24 The module and documentation were written by Steve Majewski.
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25 \index{Majewski, Steve}