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<TITLE>Tcl API Reference -- ns_crypt</TITLE>
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<a name="3386">
</a><h3>ns_crypt</h3>
<a name="3388">
</a><h4>Overview</h4>
<p><a name="3392">
</a>Encrypt password</p>
<a name="3394">
</a><h4>Syntax</h4>
<p><a name="3398">
</a><b>ns_crypt</b> <i>key salt</i></p>
<a name="3400">
</a><h4>Description</h4>
<p><a name="3404">
</a><b>ns_crypt</b> encrypts the <i>key</i> using the <i>salt</i> and returns the result. It uses the same algorithm as the Unix crypt command. Normally <i>key</i> is the user's password and <i>salt</i> is a two-character code used to encrypt the <i>key</i>.</p>
<a name="3406">
</a><h4>Example</h4>
<p><a name="3408">
</a>Suppose you have a user <i>nevsky</i> with a password <i>alexander</i>. Nevsky's /etc/passwd entry might look like:</p>
<pre> <a name="3410"></a>nevsky:/gteiXVtAXVqQ:28:1:Musician:/:/bin/sh
</pre><p><p><a name="3418">
</a>The first two characters of the encrypted password are the SALT. Since</p>
<pre> <a name="44130"></a><code>ns_crypt /g alexander
</code></pre><p><p><a name="44131">
</a>returns<code> /gte...Q</code>, then alexander is the correct password.</p>
<a name="3424">
</a><h4>See Also</h4>
<p><a name="3426">
</a>crypt(3) (Unix library function)</p>
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