Mercurial > cpython-lru_cache-weakref

annotate Doc/lib/libcrypt.tex @ 8831:00a6bb65ff29 legacy-trunk

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Getting rid of this ancient stuff.
author Guido van Rossum <guido@python.org>
date Wed, 05 Aug 1998 21:10:09 +0000
parents 760dcf197048
children acfffe14628e
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8e5223680a9d Remove all uses of \sectcode; we can now use logical markup everywhere.
Fred Drake <fdrake@acm.org>
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1 \section{Built-in Module \module{crypt}}
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2 \declaremodule{builtin}{crypt}
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3
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4 \modulesynopsis{The \cfunction{crypt()} function used to check \UNIX{} passwords.}
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5
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6
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7 This module implements an interface to the \manpage{crypt}{3} routine,
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8 which is a one-way hash function based upon a modified DES algorithm;
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9 see the \UNIX{} man page for further details. Possible uses include
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10 allowing Python scripts to accept typed passwords from the user, or
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11 attempting to crack \UNIX{} passwords with a dictionary.
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12 \index{crypt(3)}
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13
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14 \begin{funcdesc}{crypt}{word, salt}
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15 \var{word} will usually be a user's password. \var{salt} is a
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16 2-character string which will be used to select one of 4096 variations
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17 of DES\indexii{cipher}{DES}. The characters in \var{salt} must be
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18 either \code{.}, \code{/}, or an alphanumeric character. Returns the
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19 hashed password as a string, which will be composed of characters from
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20 the same alphabet as the salt.
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21 \end{funcdesc}
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22
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23 The module and documentation were written by Steve Majewski.
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24 \index{Majewski, Steve}