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Added second example showing htpasswd generation
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@162679 c90b9560-bf6c-de11-be94-00142212c4b1
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1 changed files with 23 additions and 7 deletions
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.3 $ -->
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<!-- $Revision: 1.4 $ -->
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<!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
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<refentry id="function.crypt">
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<refnamediv>
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There is no decrypt function, since <function>crypt</function>
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uses a one-way algorithm.
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</simpara>
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</note>
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</note>
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<example>
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<title><function>crypt</function> examples</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$password = crypt("My1sTpassword"); // let salt be generated
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$password = crypt('mypassword'); // let the salt be automatically generated
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# You should pass the entire results of crypt() as the salt for comparing a
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# password, to avoid problems when different hashing algorithms are used. (As
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# it says above, standard DES-based password hashing uses a 2-character salt,
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# but MD5-based hashing uses 12.)
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/* You should pass the entire results of crypt() as the salt for comparing a
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password, to avoid problems when different hashing algorithms are used. (As
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it says above, standard DES-based password hashing uses a 2-character salt,
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but MD5-based hashing uses 12.) */
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if (crypt($user_input, $password) == $password) {
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echo "Password verified!";
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}
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?>
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]]>
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</programlisting>
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</example>
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<example>
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<title>Using <function>crypt</function> with htpasswd</title>
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To create a password for use with an apache htpasswd file, you'll need to
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use the first two letters of the password as the salt.
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<programlisting role="php">
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<![CDATA[
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<?php
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// Set the password
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$password = 'mypassword';
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// Get the hash
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$hash = crypt($password, substr($password, 0, 2));
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?>
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]]>
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</programlisting>
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</example>
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