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 <span id="projectnumber">2.7.1</span>
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<a href="#nested-classes">Data Structures</a> |
<a href="#define-members">Defines</a> |
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">Blowfish</div> </div>
<div class="ingroups"><a class="el" href="group__lavu__crypto.html">Crypto and Hashing</a></div></div><!--header-->
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<tr><td colspan="2"><h2><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBlowfish.html">AVBlowfish</a></td></tr>
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__blowfish.html#ga9ed9747b44cc2737a74a37f80e5cc269">AV_BF_ROUNDS</a>   16</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__blowfish.html#gabdeab79ba02586b6c06240eeb3472837">av_blowfish_init</a> (struct <a class="el" href="structAVBlowfish.html">AVBlowfish</a> *ctx, const uint8_t *key, int key_len)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize an <a class="el" href="structAVBlowfish.html">AVBlowfish</a> context. <a href="#gabdeab79ba02586b6c06240eeb3472837"></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__blowfish.html#ga7b57de27a9aa26b67ac1f0d67fea781b">av_blowfish_crypt_ecb</a> (struct <a class="el" href="structAVBlowfish.html">AVBlowfish</a> *ctx, uint32_t *xl, uint32_t *xr, int decrypt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Encrypt or decrypt a buffer using a previously initialized context. <a href="#ga7b57de27a9aa26b67ac1f0d67fea781b"></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__blowfish.html#gaad9e1113615df7f3e883ad48e7ee764b">av_blowfish_crypt</a> (struct <a class="el" href="structAVBlowfish.html">AVBlowfish</a> *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="#gaad9e1113615df7f3e883ad48e7ee764b"></a><br/></td></tr>
</table>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="ga9ed9747b44cc2737a74a37f80e5cc269"></a><!-- doxytag: member="blowfish.h::AV_BF_ROUNDS" ref="ga9ed9747b44cc2737a74a37f80e5cc269" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__lavu__blowfish.html#ga9ed9747b44cc2737a74a37f80e5cc269">AV_BF_ROUNDS</a>   16</td>
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<p>Definition at line <a class="el" href="blowfish_8h_source.html#l00033">33</a> of file <a class="el" href="blowfish_8h_source.html">blowfish.h</a>.</p>
</div>
</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="gabdeab79ba02586b6c06240eeb3472837"></a><!-- doxytag: member="blowfish.h::av_blowfish_init" ref="gabdeab79ba02586b6c06240eeb3472837" args="(struct AVBlowfish *ctx, const uint8_t *key, int key_len)" -->
<div class="memitem">
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<td class="memname">void <a class="el" href="group__lavu__blowfish.html#gabdeab79ba02586b6c06240eeb3472837">av_blowfish_init</a> </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structAVBlowfish.html">AVBlowfish</a> * </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_len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Initialize an <a class="el" href="structAVBlowfish.html">AVBlowfish</a> context. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">ctx</td><td>an <a class="el" href="structAVBlowfish.html">AVBlowfish</a> context </td></tr>
<tr><td class="paramname">key</td><td>a key </td></tr>
<tr><td class="paramname">key_len</td><td>length of the key </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga7b57de27a9aa26b67ac1f0d67fea781b"></a><!-- doxytag: member="blowfish.h::av_blowfish_crypt_ecb" ref="ga7b57de27a9aa26b67ac1f0d67fea781b" args="(struct AVBlowfish *ctx, uint32_t *xl, uint32_t *xr, int decrypt)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">void <a class="el" href="group__lavu__blowfish.html#ga7b57de27a9aa26b67ac1f0d67fea781b">av_blowfish_crypt_ecb</a> </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structAVBlowfish.html">AVBlowfish</a> * </td>
<td class="paramname"><em>ctx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>xl</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>xr</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 <a class="el" href="structAVBlowfish.html">AVBlowfish</a> context </td></tr>
<tr><td class="paramname">xl</td><td>left four bytes halves of input to be encrypted </td></tr>
<tr><td class="paramname">xr</td><td>right four bytes halves of input to be encrypted </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="gaad9e1113615df7f3e883ad48e7ee764b"></a><!-- doxytag: member="blowfish.h::av_blowfish_crypt" ref="gaad9e1113615df7f3e883ad48e7ee764b" args="(struct AVBlowfish *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__blowfish.html#gaad9e1113615df7f3e883ad48e7ee764b">av_blowfish_crypt</a> </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structAVBlowfish.html">AVBlowfish</a> * </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 <a class="el" href="structAVBlowfish.html">AVBlowfish</a> 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, if NULL ECB will be used </td></tr>
<tr><td class="paramname">decrypt</td><td>0 for encryption, 1 for decryption </td></tr>
</table>
</dd>
</dl>
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