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<div class="title">Hashcrypt common functions<div class="ingroups"><a class="el" href="a00254.html">Hashcrypt: The Cryptographic Accelerator</a></div></div> </div>
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<a name="details" id="details"></a><h2 class="groupheader">Overview</h2>
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Macros</h2></td></tr>
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#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00256.html#ga859c70de1a97b05f61723b64e6f06227">HASHCRYPT_MODE_SHA1</a>&#160;&#160;&#160;0x1</td></tr>
<tr class="memdesc:ga859c70de1a97b05f61723b64e6f06227"><td class="mdescLeft">&#160;</td><td class="mdescRight">Algorithm definitions correspond with the values for Mode field in Control register ! <br/></td></tr>
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Typedefs</h2></td></tr>
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typedef enum <a class="el" href="a00256.html#ga0c0641fe4726c8047123fe99b1f79a71">_hashcrypt_algo_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00256.html#gafccc8d49b73cba6bb99024890615c07e">hashcrypt_algo_t</a></td></tr>
<tr class="memdesc:gafccc8d49b73cba6bb99024890615c07e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Algorithm used for Hashcrypt operation. <br/></td></tr>
<tr class="separator:gafccc8d49b73cba6bb99024890615c07e"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:ga0c0641fe4726c8047123fe99b1f79a71"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00256.html#ga0c0641fe4726c8047123fe99b1f79a71">_hashcrypt_algo_t</a> { <br/>
&#160;&#160;<a class="el" href="a00256.html#gga0c0641fe4726c8047123fe99b1f79a71a521a8aebc98248da4565bbf8fd69ff57">kHASHCRYPT_Sha1</a> = HASHCRYPT_MODE_SHA1,
<br/>
&#160;&#160;<a class="el" href="a00256.html#gga0c0641fe4726c8047123fe99b1f79a71ae14b2fbb186eb7ecb1bfc007a509b3d3">kHASHCRYPT_Sha256</a> = HASHCRYPT_MODE_SHA256,
<br/>
&#160;&#160;<a class="el" href="a00256.html#gga0c0641fe4726c8047123fe99b1f79a71a142430d685b31911c77af2ce8194a51b">kHASHCRYPT_Aes</a> = HASHCRYPT_MODE_AES
<br/>
}</td></tr>
<tr class="memdesc:ga0c0641fe4726c8047123fe99b1f79a71"><td class="mdescLeft">&#160;</td><td class="mdescRight">Algorithm used for Hashcrypt operation. <a href="a00256.html#ga0c0641fe4726c8047123fe99b1f79a71">More...</a><br/></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:ga02f8a8a22a0ac96e7ac823da4cacd585"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00256.html#ga02f8a8a22a0ac96e7ac823da4cacd585">HASHCRYPT_Init</a> (HASHCRYPT_Type *base)</td></tr>
<tr class="memdesc:ga02f8a8a22a0ac96e7ac823da4cacd585"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enables clock and disables reset for HASHCRYPT peripheral. <a href="#ga02f8a8a22a0ac96e7ac823da4cacd585">More...</a><br/></td></tr>
<tr class="separator:ga02f8a8a22a0ac96e7ac823da4cacd585"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga2561c8bc17a4b2143a0cc7c46de64fbe"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00256.html#ga2561c8bc17a4b2143a0cc7c46de64fbe">HASHCRYPT_Deinit</a> (HASHCRYPT_Type *base)</td></tr>
<tr class="memdesc:ga2561c8bc17a4b2143a0cc7c46de64fbe"><td class="mdescLeft">&#160;</td><td class="mdescRight">Disables clock for HASHCRYPT peripheral. <a href="#ga2561c8bc17a4b2143a0cc7c46de64fbe">More...</a><br/></td></tr>
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Driver version</h2></td></tr>
<tr class="memitem:ga6de3a130dd77ff83fba428d53188e661"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00256.html#ga6de3a130dd77ff83fba428d53188e661">FSL_HASHCRYPT_DRIVER_VERSION</a>&#160;&#160;&#160;(<a class="el" href="a00242.html#ga812138aa3315b0c6953c1a26130bcc37">MAKE_VERSION</a>(2, 2, 14))</td></tr>
<tr class="memdesc:ga6de3a130dd77ff83fba428d53188e661"><td class="mdescLeft">&#160;</td><td class="mdescRight">HASHCRYPT driver version. <a href="#ga6de3a130dd77ff83fba428d53188e661">More...</a><br/></td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define FSL_HASHCRYPT_DRIVER_VERSION&#160;&#160;&#160;(<a class="el" href="a00242.html#ga812138aa3315b0c6953c1a26130bcc37">MAKE_VERSION</a>(2, 2, 14))</td>
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<p>Version 2.2.14.</p>
<p>Current version: 2.2.14</p>
<p>Change log:</p>
<ul>
<li>Version 2.0.0<ul>
<li>Initial version</li>
</ul>
</li>
<li>Version 2.0.1<ul>
<li>Support loading AES key from unaligned address</li>
</ul>
</li>
<li>Version 2.0.2<ul>
<li>Support loading AES key from unaligned address for different compiler and core variants</li>
</ul>
</li>
<li>Version 2.0.3<ul>
<li>Remove SHA512 and AES ICB algorithm definitions</li>
</ul>
</li>
<li>Version 2.0.4<ul>
<li>Add SHA context switch support</li>
</ul>
</li>
<li>Version 2.1.0<ul>
<li>Update the register name and macro to align with new header.</li>
</ul>
</li>
<li>Version 2.1.1<ul>
<li>Fix MISRA C-2012.</li>
</ul>
</li>
<li>Version 2.1.2<ul>
<li>Support loading AES input data from unaligned address.</li>
</ul>
</li>
<li>Version 2.1.3<ul>
<li>Fix MISRA C-2012.</li>
</ul>
</li>
<li>Version 2.1.4<ul>
<li>Fix context switch cannot work when switching from AES.</li>
</ul>
</li>
<li>Version 2.1.5<ul>
<li>Add data synchronization barrier inside hashcrypt_sha_ldm_stm_16_words() to prevent possible optimization issue.</li>
</ul>
</li>
<li>Version 2.2.0<ul>
<li>Add AES-OFB and AES-CFB mixed IP/SW modes.</li>
</ul>
</li>
<li>Version 2.2.1<ul>
<li>Add data synchronization barrier inside hashcrypt_sha_ldm_stm_16_words() prevent compiler from reordering memory write when -O2 or higher is used.</li>
</ul>
</li>
<li>Version 2.2.2<ul>
<li>Add data synchronization barrier inside hashcrypt_sha_ldm_stm_16_words() to fix optimization issue</li>
</ul>
</li>
<li>Version 2.2.3<ul>
<li>Added check for size in hashcrypt_aes_one_block to prevent overflowing COUNT field in MEMCTRL register, if its bigger than COUNT field do a multiple runs.</li>
</ul>
</li>
<li>Version 2.2.4<ul>
<li>In all HASHCRYPT_AES_xx functions have been added setting CTRL_MODE bitfield to 0 after processing data, which decreases power consumption.</li>
</ul>
</li>
<li>Version 2.2.5<ul>
<li>Add data synchronization barrier and instruction synchronization barrier inside hashcrypt_sha_process_message_data() to fix optimization issue</li>
</ul>
</li>
<li>Version 2.2.6<ul>
<li>Add data synchronization barrier inside <a class="el" href="a00027.html#ga73e2339a36879daa7aa54491387ba103" title="Add data to current HASH. ">HASHCRYPT_SHA_Update()</a> and hashcrypt_get_data() function to fix optimization issue on MDK and ARMGCC release targets</li>
</ul>
</li>
<li>Version 2.2.7<ul>
<li>Add data synchronization barrier inside <a class="el" href="a00027.html#ga73e2339a36879daa7aa54491387ba103" title="Add data to current HASH. ">HASHCRYPT_SHA_Update()</a> to fix optimization issue on MCUX IDE release target</li>
</ul>
</li>
<li>Version 2.2.8<ul>
<li>Unify hashcrypt hashing behavior between aligned and unaligned input data</li>
</ul>
</li>
<li>Version 2.2.9<ul>
<li>Add handling of set ERROR bit in the STATUS register</li>
</ul>
</li>
<li>Version 2.2.10<ul>
<li>Fix missing error statement in hashcrypt_save_running_hash()</li>
</ul>
</li>
<li>Version 2.2.11<ul>
<li>Fix incorrect SHA-256 calculation for long messages with reload</li>
</ul>
</li>
<li>Version 2.2.12<ul>
<li>Fix hardfault issue on the Keil compiler due to unaligned memcpy() input on some optimization levels</li>
</ul>
</li>
<li>Version 2.2.13<ul>
<li>Added function hashcrypt_seed_prng() which loading random number into PRNG_SEED register before AES operation for SCA protection</li>
</ul>
</li>
<li>Version 2.2.14<ul>
<li>Modify function hashcrypt_get_data() to prevent issue with unaligned access </li>
</ul>
</li>
</ul>
</div>
</div>
<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">enum <a class="el" href="a00256.html#ga0c0641fe4726c8047123fe99b1f79a71">_hashcrypt_algo_t</a></td>
</tr>
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<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga0c0641fe4726c8047123fe99b1f79a71a521a8aebc98248da4565bbf8fd69ff57"></a>kHASHCRYPT_Sha1</em>&nbsp;</td><td class="fielddoc">
<p>SHA_1. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="gga0c0641fe4726c8047123fe99b1f79a71ae14b2fbb186eb7ecb1bfc007a509b3d3"></a>kHASHCRYPT_Sha256</em>&nbsp;</td><td class="fielddoc">
<p>SHA_256. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="gga0c0641fe4726c8047123fe99b1f79a71a142430d685b31911c77af2ce8194a51b"></a>kHASHCRYPT_Aes</em>&nbsp;</td><td class="fielddoc">
<p>AES. </p>
</td></tr>
</table>
</div>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">void HASHCRYPT_Init </td>
<td>(</td>
<td class="paramtype">HASHCRYPT_Type *&#160;</td>
<td class="paramname"><em>base</em></td><td>)</td>
<td></td>
</tr>
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<p>Enable clock and disable reset for HASHCRYPT.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">base</td><td>HASHCRYPT base address </td></tr>
</table>
</dd>
</dl>
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<td class="memname">void HASHCRYPT_Deinit </td>
<td>(</td>
<td class="paramtype">HASHCRYPT_Type *&#160;</td>
<td class="paramname"><em>base</em></td><td>)</td>
<td></td>
</tr>
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<p>Disable clock and enable reset.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">base</td><td>HASHCRYPT base address </td></tr>
</table>
</dd>
</dl>
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