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423 lines
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<div class="headertitle">
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<div class="title">Hashcrypt HASH<div class="ingroups"><a class="el" href="a00254.html">Hashcrypt: The Cryptographic Accelerator</a></div></div> </div>
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Data Structures</h2></td></tr>
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<tr class="memitem:a00341"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#a00341">_hashcrypt_hash_ctx_t</a></td></tr>
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<tr class="memdesc:a00341"><td class="mdescLeft"> </td><td class="mdescRight">Storage type used to save hash context. <a href="a00027.html#a00341">More...</a><br/></td></tr>
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<tr class="separator:a00341"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
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Macros</h2></td></tr>
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<tr class="memitem:gabc879a329aeebb2374413abfc5083a21"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#gabc879a329aeebb2374413abfc5083a21">HASHCRYPT_HASH_CTX_SIZE</a>   22</td></tr>
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<tr class="memdesc:gabc879a329aeebb2374413abfc5083a21"><td class="mdescLeft"> </td><td class="mdescRight">HASHCRYPT HASH Context size. <a href="#gabc879a329aeebb2374413abfc5083a21">More...</a><br/></td></tr>
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<tr class="separator:gabc879a329aeebb2374413abfc5083a21"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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Typedefs</h2></td></tr>
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<tr class="memitem:gae83ac9a19d3fb2db5b52e8e3e3f66ce0"><td class="memItemLeft" align="right" valign="top">typedef struct <br class="typebreak"/>
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<a class="el" href="a00027.html#a00341">_hashcrypt_hash_ctx_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a></td></tr>
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<tr class="memdesc:gae83ac9a19d3fb2db5b52e8e3e3f66ce0"><td class="mdescLeft"> </td><td class="mdescRight">Storage type used to save hash context. <a href="#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">More...</a><br/></td></tr>
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<tr class="separator:gae83ac9a19d3fb2db5b52e8e3e3f66ce0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae5749cb2ff6548699a66eea40667f7c6"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#gae5749cb2ff6548699a66eea40667f7c6">hashcrypt_callback_t</a> )(HASHCRYPT_Type *base, <a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a> *ctx, <a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> status, void *userData)</td></tr>
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<tr class="memdesc:gae5749cb2ff6548699a66eea40667f7c6"><td class="mdescLeft"> </td><td class="mdescRight">HASHCRYPT background hash callback function. <a href="#gae5749cb2ff6548699a66eea40667f7c6">More...</a><br/></td></tr>
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<tr class="separator:gae5749cb2ff6548699a66eea40667f7c6"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:gabdb13d49e7b828fa64af17230f3ac799"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#gabdb13d49e7b828fa64af17230f3ac799">HASHCRYPT_SHA</a> (HASHCRYPT_Type *base, <a class="el" href="a00256.html#gafccc8d49b73cba6bb99024890615c07e">hashcrypt_algo_t</a> algo, const uint8_t *input, size_t inputSize, uint8_t *output, size_t *outputSize)</td></tr>
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<tr class="memdesc:gabdb13d49e7b828fa64af17230f3ac799"><td class="mdescLeft"> </td><td class="mdescRight">Create HASH on given data. <a href="#gabdb13d49e7b828fa64af17230f3ac799">More...</a><br/></td></tr>
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<tr class="separator:gabdb13d49e7b828fa64af17230f3ac799"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga704d85f639d6e7c6a1450bc20a68425d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#ga704d85f639d6e7c6a1450bc20a68425d">HASHCRYPT_SHA_Init</a> (HASHCRYPT_Type *base, <a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a> *ctx, <a class="el" href="a00256.html#gafccc8d49b73cba6bb99024890615c07e">hashcrypt_algo_t</a> algo)</td></tr>
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<tr class="memdesc:ga704d85f639d6e7c6a1450bc20a68425d"><td class="mdescLeft"> </td><td class="mdescRight">Initialize HASH context. <a href="#ga704d85f639d6e7c6a1450bc20a68425d">More...</a><br/></td></tr>
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<tr class="separator:ga704d85f639d6e7c6a1450bc20a68425d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga73e2339a36879daa7aa54491387ba103"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#ga73e2339a36879daa7aa54491387ba103">HASHCRYPT_SHA_Update</a> (HASHCRYPT_Type *base, <a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a> *ctx, const uint8_t *input, size_t inputSize)</td></tr>
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<tr class="memdesc:ga73e2339a36879daa7aa54491387ba103"><td class="mdescLeft"> </td><td class="mdescRight">Add data to current HASH. <a href="#ga73e2339a36879daa7aa54491387ba103">More...</a><br/></td></tr>
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<tr class="separator:ga73e2339a36879daa7aa54491387ba103"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad7ff02fc54187b62585a4e3d940b8037"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#gad7ff02fc54187b62585a4e3d940b8037">HASHCRYPT_SHA_Finish</a> (HASHCRYPT_Type *base, <a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a> *ctx, uint8_t *output, size_t *outputSize)</td></tr>
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<tr class="memdesc:gad7ff02fc54187b62585a4e3d940b8037"><td class="mdescLeft"> </td><td class="mdescRight">Finalize hashing. <a href="#gad7ff02fc54187b62585a4e3d940b8037">More...</a><br/></td></tr>
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<tr class="separator:gad7ff02fc54187b62585a4e3d940b8037"><td class="memSeparator" colspan="2"> </td></tr>
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<hr/><h2 class="groupheader">Data Structure Documentation</h2>
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<a name="a00341" id="a00341"></a>
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<td class="memname">struct _hashcrypt_hash_ctx_t</td>
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<div class="textblock"></div><table class="memberdecls">
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<tr><td colspan="2"><h3>Data Fields</h3></td></tr>
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<tr class="memitem:ae1a042801629fa6e97e5347e9c84f1ae"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae1a042801629fa6e97e5347e9c84f1ae"></a>
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uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00027.html#ae1a042801629fa6e97e5347e9c84f1ae">x</a> [<a class="el" href="a00027.html#gabc879a329aeebb2374413abfc5083a21">HASHCRYPT_HASH_CTX_SIZE</a>]</td></tr>
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<tr class="memdesc:ae1a042801629fa6e97e5347e9c84f1ae"><td class="mdescLeft"> </td><td class="mdescRight">storage <br/></td></tr>
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<tr class="separator:ae1a042801629fa6e97e5347e9c84f1ae"><td class="memSeparator" colspan="2"> </td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define HASHCRYPT_HASH_CTX_SIZE   22</td>
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<h2 class="groupheader">Typedef Documentation</h2>
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<a class="anchor" id="gae83ac9a19d3fb2db5b52e8e3e3f66ce0"></a>
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<td class="memname">typedef struct <a class="el" href="a00027.html#a00341">_hashcrypt_hash_ctx_t</a> <a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a></td>
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<td class="memname">typedef void(* hashcrypt_callback_t)(HASHCRYPT_Type *base, <a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a> *ctx, <a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> status, void *userData)</td>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="gabdb13d49e7b828fa64af17230f3ac799"></a>
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<td class="memname"><a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> HASHCRYPT_SHA </td>
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<td>(</td>
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<td class="paramtype">HASHCRYPT_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00256.html#gafccc8d49b73cba6bb99024890615c07e">hashcrypt_algo_t</a> </td>
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<td class="paramname"><em>algo</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const uint8_t * </td>
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<td class="paramname"><em>input</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>inputSize</em>, </td>
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<td class="paramtype">uint8_t * </td>
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<td class="paramname"><em>output</em>, </td>
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<td class="paramtype">size_t * </td>
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<td class="paramname"><em>outputSize</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<p>Perform the full SHA in one function call. The function is blocking.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir"></td><td class="paramname">base</td><td>HASHCRYPT peripheral base address </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">algo</td><td>Underlaying algorithm to use for hash computation. </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">input</td><td>Input data </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">inputSize</td><td>Size of input data in bytes </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">output</td><td>Output hash data </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">outputSize</td><td>Output parameter storing the size of the output hash in bytes </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Status of the one call hash operation. </dd></dl>
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<td class="memname"><a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> HASHCRYPT_SHA_Init </td>
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<td>(</td>
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<td class="paramtype">HASHCRYPT_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a> * </td>
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<td class="paramname"><em>ctx</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00256.html#gafccc8d49b73cba6bb99024890615c07e">hashcrypt_algo_t</a> </td>
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<td class="paramname"><em>algo</em> </td>
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<td></td>
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<td>)</td>
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<p>This function initializes the HASH.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir"></td><td class="paramname">base</td><td>HASHCRYPT peripheral base address </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">ctx</td><td>Output hash context </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">algo</td><td>Underlaying algorithm to use for hash computation. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Status of initialization </dd></dl>
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<td class="memname"><a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> HASHCRYPT_SHA_Update </td>
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<td>(</td>
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<td class="paramtype">HASHCRYPT_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a> * </td>
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<td class="paramname"><em>ctx</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const uint8_t * </td>
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<td class="paramname"><em>input</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>inputSize</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Add data to current HASH. This can be called repeatedly with an arbitrary amount of data to be hashed. The functions blocks. If it returns kStatus_Success, the running hash has been updated (HASHCRYPT has processed the input data), so the memory at <code>input</code> pointer can be released back to system. The HASHCRYPT context buffer is updated with the running hash and with all necessary information to support possible context switch.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir"></td><td class="paramname">base</td><td>HASHCRYPT peripheral base address </td></tr>
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<tr><td class="paramdir">[in,out]</td><td class="paramname">ctx</td><td>HASH context </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">input</td><td>Input data </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">inputSize</td><td>Size of input data in bytes </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Status of the hash update operation </dd></dl>
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<td class="memname"><a class="el" href="a00242.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> HASHCRYPT_SHA_Finish </td>
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<td>(</td>
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<td class="paramtype">HASHCRYPT_Type * </td>
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<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="a00027.html#gae83ac9a19d3fb2db5b52e8e3e3f66ce0">hashcrypt_hash_ctx_t</a> * </td>
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<td class="paramname"><em>ctx</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t * </td>
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<td class="paramname"><em>output</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t * </td>
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<td class="paramname"><em>outputSize</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Outputs the final hash (computed by HASHCRYPT_HASH_Update()) and erases the context.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir"></td><td class="paramname">base</td><td>HASHCRYPT peripheral base address </td></tr>
|
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<tr><td class="paramdir">[in,out]</td><td class="paramname">ctx</td><td>Input hash context </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">output</td><td>Output hash data </td></tr>
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<tr><td class="paramdir">[in,out]</td><td class="paramname">outputSize</td><td>Optional parameter (can be passed as NULL). On function entry, it specifies the size of output[] buffer. On function return, it stores the number of updated output bytes. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Status of the hash finish operation </dd></dl>
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</div>
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</div>
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