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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>
<div class="headertitle">
<div class="title">SHA512</div> </div>
<div class="ingroups"><a class="el" href="group__lavu__crypto.html">Crypto and Hashing</a></div></div><!--header-->
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<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 AVSHA512 * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sha512.html#ga40fcf794737ab4a08be5c4b4bfa95c0e">av_sha512_alloc</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate an AVSHA512 context. <a href="#ga40fcf794737ab4a08be5c4b4bfa95c0e"></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__sha512.html#ga3cd6e2e5e591440905380dd345058516">av_sha512_init</a> (struct AVSHA512 *context, int bits)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize SHA-2 512 hashing. <a href="#ga3cd6e2e5e591440905380dd345058516"></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__sha512.html#ga101585440840ee0f17d562e024e8ac49">av_sha512_update</a> (struct AVSHA512 *context, const uint8_t *data, unsigned int len)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Update hash value. <a href="#ga101585440840ee0f17d562e024e8ac49"></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__sha512.html#ga445bbd692a0e005d30a09d85f2ffbc69">av_sha512_final</a> (struct AVSHA512 *context, uint8_t *digest)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Finish hashing and output digest value. <a href="#ga445bbd692a0e005d30a09d85f2ffbc69"></a><br/></td></tr>
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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__sha512.html#gaa90af4540d2b03a1a122e1d6a8678efe">av_sha512_size</a></td></tr>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga40fcf794737ab4a08be5c4b4bfa95c0e"></a><!-- doxytag: member="sha512.h::av_sha512_alloc" ref="ga40fcf794737ab4a08be5c4b4bfa95c0e" args="(void)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">struct AVSHA512* <a class="el" href="group__lavu__sha512.html#ga40fcf794737ab4a08be5c4b4bfa95c0e">av_sha512_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 AVSHA512 context. </p>
</div>
</div>
<a class="anchor" id="ga3cd6e2e5e591440905380dd345058516"></a><!-- doxytag: member="sha512.h::av_sha512_init" ref="ga3cd6e2e5e591440905380dd345058516" args="(struct AVSHA512 *context, int bits)" -->
<div class="memitem">
<div class="memproto">
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<tr>
<td class="memname">int <a class="el" href="group__lavu__sha512.html#ga3cd6e2e5e591440905380dd345058516">av_sha512_init</a> </td>
<td>(</td>
<td class="paramtype">struct AVSHA512 * </td>
<td class="paramname"><em>context</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>bits</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<div class="memdoc">
<p>Initialize SHA-2 512 hashing. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">context</td><td>pointer to the function context (of size av_sha512_size) </td></tr>
<tr><td class="paramname">bits</td><td>number of bits in digest (224, 256, 384 or 512 bits) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>zero if initialization succeeded, -1 otherwise </dd></dl>
</div>
</div>
<a class="anchor" id="ga101585440840ee0f17d562e024e8ac49"></a><!-- doxytag: member="sha512.h::av_sha512_update" ref="ga101585440840ee0f17d562e024e8ac49" args="(struct AVSHA512 *context, const uint8_t *data, unsigned int len)" -->
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<td class="memname">void <a class="el" href="group__lavu__sha512.html#ga101585440840ee0f17d562e024e8ac49">av_sha512_update</a> </td>
<td>(</td>
<td class="paramtype">struct AVSHA512 * </td>
<td class="paramname"><em>context</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const uint8_t * </td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<div class="memdoc">
<p>Update hash value. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">context</td><td>hash function context </td></tr>
<tr><td class="paramname">data</td><td>input data to update hash with </td></tr>
<tr><td class="paramname">len</td><td>input data length </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga445bbd692a0e005d30a09d85f2ffbc69"></a><!-- doxytag: member="sha512.h::av_sha512_final" ref="ga445bbd692a0e005d30a09d85f2ffbc69" args="(struct AVSHA512 *context, uint8_t *digest)" -->
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<div class="memproto">
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<td class="memname">void <a class="el" href="group__lavu__sha512.html#ga445bbd692a0e005d30a09d85f2ffbc69">av_sha512_final</a> </td>
<td>(</td>
<td class="paramtype">struct AVSHA512 * </td>
<td class="paramname"><em>context</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t * </td>
<td class="paramname"><em>digest</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Finish hashing and output digest value. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">context</td><td>hash function context </td></tr>
<tr><td class="paramname">digest</td><td>buffer where output digest value is stored </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Variable Documentation</h2>
<a class="anchor" id="gaa90af4540d2b03a1a122e1d6a8678efe"></a><!-- doxytag: member="sha512.h::av_sha512_size" ref="gaa90af4540d2b03a1a122e1d6a8678efe" args="" -->
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<td class="memname">const int <a class="el" href="group__lavu__sha512.html#gaa90af4540d2b03a1a122e1d6a8678efe">av_sha512_size</a></td>
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