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 <span id="projectnumber">2.7.1</span>
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<a href="#func-members">Functions</a> |
<a href="#var-members">Variables</a> </div>
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<div class="title">CAST5</div> </div>
<div class="ingroups"><a class="el" href="group__lavu__crypto.html">Crypto and Hashing</a></div></div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct AVCAST5 * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__cast5.html#gafacaf78689bf9500adc0e15c9a273f30">av_cast5_alloc</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate an AVCAST5 context To free the struct: av_free(ptr) <a href="#gafacaf78689bf9500adc0e15c9a273f30"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__cast5.html#ga604b7f58779a1c41c9c6c5a1016ecc72">av_cast5_init</a> (struct AVCAST5 *ctx, const uint8_t *key, int key_bits)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize an AVCAST5 context. <a href="#ga604b7f58779a1c41c9c6c5a1016ecc72"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__cast5.html#ga2097b4a332bd12e51674788a3008a53e">av_cast5_crypt</a> (struct AVCAST5 *ctx, uint8_t *dst, const uint8_t *src, int count, int decrypt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Encrypt or decrypt a buffer using a previously initialized context, ECB mode only. <a href="#ga2097b4a332bd12e51674788a3008a53e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__cast5.html#gad7f20dd3446e711c8fcc8c2e57c2c7d8">av_cast5_crypt2</a> (struct AVCAST5 *ctx, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Encrypt or decrypt a buffer using a previously initialized context. <a href="#gad7f20dd3446e711c8fcc8c2e57c2c7d8"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="var-members"></a>
Variables</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__cast5.html#ga00f0cc05aeee06257fb27eb6247d8092">av_cast5_size</a></td></tr>
</table>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="gafacaf78689bf9500adc0e15c9a273f30"></a><!-- doxytag: member="cast5.h::av_cast5_alloc" ref="gafacaf78689bf9500adc0e15c9a273f30" args="(void)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">struct AVCAST5* <a class="el" href="group__lavu__cast5.html#gafacaf78689bf9500adc0e15c9a273f30">av_cast5_alloc</a> </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td><code> [read]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Allocate an AVCAST5 context To free the struct: av_free(ptr) </p>
</div>
</div>
<a class="anchor" id="ga604b7f58779a1c41c9c6c5a1016ecc72"></a><!-- doxytag: member="cast5.h::av_cast5_init" ref="ga604b7f58779a1c41c9c6c5a1016ecc72" args="(struct AVCAST5 *ctx, const uint8_t *key, int key_bits)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__lavu__cast5.html#ga604b7f58779a1c41c9c6c5a1016ecc72">av_cast5_init</a> </td>
<td>(</td>
<td class="paramtype">struct AVCAST5 * </td>
<td class="paramname"><em>ctx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const uint8_t * </td>
<td class="paramname"><em>key</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>key_bits</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Initialize an AVCAST5 context. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">ctx</td><td>an AVCAST5 context </td></tr>
<tr><td class="paramname">key</td><td>a key of 5,6,...16 bytes used for encryption/decryption </td></tr>
<tr><td class="paramname">key_bits</td><td>number of keybits: possible are 40,48,...,128 </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga2097b4a332bd12e51674788a3008a53e"></a><!-- doxytag: member="cast5.h::av_cast5_crypt" ref="ga2097b4a332bd12e51674788a3008a53e" args="(struct AVCAST5 *ctx, uint8_t *dst, const uint8_t *src, int count, int decrypt)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="group__lavu__cast5.html#ga2097b4a332bd12e51674788a3008a53e">av_cast5_crypt</a> </td>
<td>(</td>
<td class="paramtype">struct AVCAST5 * </td>
<td class="paramname"><em>ctx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t * </td>
<td class="paramname"><em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const uint8_t * </td>
<td class="paramname"><em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>decrypt</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Encrypt or decrypt a buffer using a previously initialized context, ECB mode only. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">ctx</td><td>an AVCAST5 context </td></tr>
<tr><td class="paramname">dst</td><td>destination array, can be equal to src </td></tr>
<tr><td class="paramname">src</td><td>source array, can be equal to dst </td></tr>
<tr><td class="paramname">count</td><td>number of 8 byte blocks </td></tr>
<tr><td class="paramname">decrypt</td><td>0 for encryption, 1 for decryption </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gad7f20dd3446e711c8fcc8c2e57c2c7d8"></a><!-- doxytag: member="cast5.h::av_cast5_crypt2" ref="gad7f20dd3446e711c8fcc8c2e57c2c7d8" args="(struct AVCAST5 *ctx, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="group__lavu__cast5.html#gad7f20dd3446e711c8fcc8c2e57c2c7d8">av_cast5_crypt2</a> </td>
<td>(</td>
<td class="paramtype">struct AVCAST5 * </td>
<td class="paramname"><em>ctx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t * </td>
<td class="paramname"><em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const uint8_t * </td>
<td class="paramname"><em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t * </td>
<td class="paramname"><em>iv</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>decrypt</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Encrypt or decrypt a buffer using a previously initialized context. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">ctx</td><td>an AVCAST5 context </td></tr>
<tr><td class="paramname">dst</td><td>destination array, can be equal to src </td></tr>
<tr><td class="paramname">src</td><td>source array, can be equal to dst </td></tr>
<tr><td class="paramname">count</td><td>number of 8 byte blocks </td></tr>
<tr><td class="paramname">iv</td><td>initialization vector for CBC mode, NULL for ECB mode </td></tr>
<tr><td class="paramname">decrypt</td><td>0 for encryption, 1 for decryption </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Variable Documentation</h2>
<a class="anchor" id="ga00f0cc05aeee06257fb27eb6247d8092"></a><!-- doxytag: member="cast5.h::av_cast5_size" ref="ga00f0cc05aeee06257fb27eb6247d8092" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const int <a class="el" href="group__lavu__cast5.html#ga00f0cc05aeee06257fb27eb6247d8092">av_cast5_size</a></td>
</tr>
</table>
</div>
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