429 lines
22 KiB
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429 lines
22 KiB
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<a href="#define-members">Macros</a> |
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<a href="#typedef-members">Typedefs</a> |
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<a href="#enum-members">Enumerations</a> |
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<div class="title">LTC HASH driver<div class="ingroups"><a class="el" href="group__ltc__driver__synchronous__blocking.html">LTC Blocking APIs</a></div></div> </div>
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</div><!--header-->
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<div class="contents">
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<a name="details" id="details"></a><h2 class="groupheader">Overview</h2>
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<p>This section describes the programming interface of the LTC HASH driver. </p>
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<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:ga9aceecc22574b68589c34fa797bb38e8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__driver__hash.html#ga9aceecc22574b68589c34fa797bb38e8">LTC_HASH_CTX_SIZE</a>   29</td></tr>
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<tr class="memdesc:ga9aceecc22574b68589c34fa797bb38e8"><td class="mdescLeft"> </td><td class="mdescRight">LTC HASH Context size. <a href="#ga9aceecc22574b68589c34fa797bb38e8">More...</a><br/></td></tr>
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<tr class="separator:ga9aceecc22574b68589c34fa797bb38e8"><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="typedef-members"></a>
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Typedefs</h2></td></tr>
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<tr class="memitem:ga0d73cbea68c8e47150441ec0e9397dae"><td class="memItemLeft" align="right" valign="top">typedef uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__driver__hash.html#ga0d73cbea68c8e47150441ec0e9397dae">ltc_hash_ctx_t</a> [<a class="el" href="group__ltc__driver__hash.html#ga9aceecc22574b68589c34fa797bb38e8">LTC_HASH_CTX_SIZE</a>]</td></tr>
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<tr class="memdesc:ga0d73cbea68c8e47150441ec0e9397dae"><td class="mdescLeft"> </td><td class="mdescRight">Storage type used to save hash context. <a href="#ga0d73cbea68c8e47150441ec0e9397dae">More...</a><br/></td></tr>
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<tr class="separator:ga0d73cbea68c8e47150441ec0e9397dae"><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="enum-members"></a>
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Enumerations</h2></td></tr>
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<tr class="memitem:gad8e545023f6e9ab3c7c40de3b3b37106"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__driver__hash.html#gad8e545023f6e9ab3c7c40de3b3b37106">ltc_hash_algo_t</a> { <br/>
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  <a class="el" href="group__ltc__driver__hash.html#ggad8e545023f6e9ab3c7c40de3b3b37106a86c5216f472604a6ddbaf04b2765f7cb">kLTC_XcbcMac</a> = 0,
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<br/>
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  <a class="el" href="group__ltc__driver__hash.html#ggad8e545023f6e9ab3c7c40de3b3b37106a7d3e5d87316147d834d91d1bf0e7398c">kLTC_Cmac</a>
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<br/>
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}</td></tr>
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<tr class="memdesc:gad8e545023f6e9ab3c7c40de3b3b37106"><td class="mdescLeft"> </td><td class="mdescRight">Supported cryptographic block cipher functions for HASH creation. <a href="group__ltc__driver__hash.html#gad8e545023f6e9ab3c7c40de3b3b37106">More...</a><br/></td></tr>
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<tr class="separator:gad8e545023f6e9ab3c7c40de3b3b37106"><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:gacc8a9520ac6afc1df327e94f0aa72d4a"><td class="memItemLeft" align="right" valign="top">status_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__driver__hash.html#gacc8a9520ac6afc1df327e94f0aa72d4a">LTC_HASH_Init</a> (LTC_Type *base, <a class="el" href="group__ltc__driver__hash.html#ga0d73cbea68c8e47150441ec0e9397dae">ltc_hash_ctx_t</a> *ctx, <a class="el" href="group__ltc__driver__hash.html#gad8e545023f6e9ab3c7c40de3b3b37106">ltc_hash_algo_t</a> algo, const uint8_t *key, uint32_t keySize)</td></tr>
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<tr class="memdesc:gacc8a9520ac6afc1df327e94f0aa72d4a"><td class="mdescLeft"> </td><td class="mdescRight">Initialize HASH context. <a href="#gacc8a9520ac6afc1df327e94f0aa72d4a">More...</a><br/></td></tr>
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<tr class="separator:gacc8a9520ac6afc1df327e94f0aa72d4a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa461e928e25788b08ee3f63761875385"><td class="memItemLeft" align="right" valign="top">status_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__driver__hash.html#gaa461e928e25788b08ee3f63761875385">LTC_HASH_Update</a> (<a class="el" href="group__ltc__driver__hash.html#ga0d73cbea68c8e47150441ec0e9397dae">ltc_hash_ctx_t</a> *ctx, const uint8_t *input, uint32_t inputSize)</td></tr>
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<tr class="memdesc:gaa461e928e25788b08ee3f63761875385"><td class="mdescLeft"> </td><td class="mdescRight">Add data to current HASH. <a href="#gaa461e928e25788b08ee3f63761875385">More...</a><br/></td></tr>
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<tr class="separator:gaa461e928e25788b08ee3f63761875385"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga984bc6357c0aaaf69ef33e3646d31e39"><td class="memItemLeft" align="right" valign="top">status_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__driver__hash.html#ga984bc6357c0aaaf69ef33e3646d31e39">LTC_HASH_Finish</a> (<a class="el" href="group__ltc__driver__hash.html#ga0d73cbea68c8e47150441ec0e9397dae">ltc_hash_ctx_t</a> *ctx, uint8_t *output, uint32_t *outputSize)</td></tr>
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<tr class="memdesc:ga984bc6357c0aaaf69ef33e3646d31e39"><td class="mdescLeft"> </td><td class="mdescRight">Finalize hashing. <a href="#ga984bc6357c0aaaf69ef33e3646d31e39">More...</a><br/></td></tr>
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<tr class="separator:ga984bc6357c0aaaf69ef33e3646d31e39"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga78a23fb22a91c573d844b4b27294f6dc"><td class="memItemLeft" align="right" valign="top">status_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ltc__driver__hash.html#ga78a23fb22a91c573d844b4b27294f6dc">LTC_HASH</a> (LTC_Type *base, <a class="el" href="group__ltc__driver__hash.html#gad8e545023f6e9ab3c7c40de3b3b37106">ltc_hash_algo_t</a> algo, const uint8_t *input, uint32_t inputSize, const uint8_t *key, uint32_t keySize, uint8_t *output, uint32_t *outputSize)</td></tr>
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<tr class="memdesc:ga78a23fb22a91c573d844b4b27294f6dc"><td class="mdescLeft"> </td><td class="mdescRight">Create HASH on given data. <a href="#ga78a23fb22a91c573d844b4b27294f6dc">More...</a><br/></td></tr>
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<tr class="separator:ga78a23fb22a91c573d844b4b27294f6dc"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<a class="anchor" id="ga9aceecc22574b68589c34fa797bb38e8"></a>
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<td class="memname">#define LTC_HASH_CTX_SIZE   29</td>
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</tr>
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</div><div class="memdoc">
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</div>
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<h2 class="groupheader">Typedef Documentation</h2>
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<a class="anchor" id="ga0d73cbea68c8e47150441ec0e9397dae"></a>
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<td class="memname">typedef uint32_t ltc_hash_ctx_t[<a class="el" href="group__ltc__driver__hash.html#ga9aceecc22574b68589c34fa797bb38e8">LTC_HASH_CTX_SIZE</a>]</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<a class="anchor" id="gad8e545023f6e9ab3c7c40de3b3b37106"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">enum <a class="el" href="group__ltc__driver__hash.html#gad8e545023f6e9ab3c7c40de3b3b37106">ltc_hash_algo_t</a></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggad8e545023f6e9ab3c7c40de3b3b37106a86c5216f472604a6ddbaf04b2765f7cb"></a>kLTC_XcbcMac</em> </td><td class="fielddoc">
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<p>XCBC-MAC (AES engine) </p>
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</td></tr>
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<tr><td class="fieldname"><em><a class="anchor" id="ggad8e545023f6e9ab3c7c40de3b3b37106a7d3e5d87316147d834d91d1bf0e7398c"></a>kLTC_Cmac</em> </td><td class="fielddoc">
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<p>CMAC (AES engine) </p>
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</td></tr>
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</table>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="gacc8a9520ac6afc1df327e94f0aa72d4a"></a>
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<td class="memname">status_t LTC_HASH_Init </td>
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<td>(</td>
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<td class="paramtype">LTC_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="group__ltc__driver__hash.html#ga0d73cbea68c8e47150441ec0e9397dae">ltc_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="group__ltc__driver__hash.html#gad8e545023f6e9ab3c7c40de3b3b37106">ltc_hash_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></td>
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<td class="paramtype">const uint8_t * </td>
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<td class="paramname"><em>key</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>keySize</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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</table>
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</div><div class="memdoc">
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<p>This function initialize the HASH. Key shall be supplied if the underlaying algoritm is AES XCBC-MAC or CMAC. Key shall be NULL if the underlaying algoritm is SHA.</p>
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<p>For XCBC-MAC, the key length must be 16. For CMAC, the key length can be the AES key lengths supported by AES engine. For MDHA the key length argument is ignored.</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>LTC 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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<tr><td class="paramdir"></td><td class="paramname">key</td><td>Input key (NULL if underlaying algorithm is SHA) </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">keySize</td><td>Size of input key 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 initialization </dd></dl>
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</div>
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<td class="memname">status_t LTC_HASH_Update </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__ltc__driver__hash.html#ga0d73cbea68c8e47150441ec0e9397dae">ltc_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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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>inputSize</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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</tr>
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</table>
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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.</p>
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
|
<tr><td class="paramdir">[in,out]</td><td class="paramname">ctx</td><td>HASH context </td></tr>
|
|
<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>
|
|
</table>
|
|
</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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|
|
|
</div>
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</div>
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<a class="anchor" id="ga984bc6357c0aaaf69ef33e3646d31e39"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">status_t LTC_HASH_Finish </td>
|
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__ltc__driver__hash.html#ga0d73cbea68c8e47150441ec0e9397dae">ltc_hash_ctx_t</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>output</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t * </td>
|
|
<td class="paramname"><em>outputSize</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
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<td></td><td></td>
|
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</tr>
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|
</table>
|
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</div><div class="memdoc">
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<p>Outputs the final hash and erases the context.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramdir">[in,out]</td><td class="paramname">ctx</td><td>Input hash context </td></tr>
|
|
<tr><td class="paramdir">[out]</td><td class="paramname">output</td><td>Output hash data </td></tr>
|
|
<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>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>Status of the hash finish operation </dd></dl>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga78a23fb22a91c573d844b4b27294f6dc"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">status_t LTC_HASH </td>
|
|
<td>(</td>
|
|
<td class="paramtype">LTC_Type * </td>
|
|
<td class="paramname"><em>base</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype"><a class="el" href="group__ltc__driver__hash.html#gad8e545023f6e9ab3c7c40de3b3b37106">ltc_hash_algo_t</a> </td>
|
|
<td class="paramname"><em>algo</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">const uint8_t * </td>
|
|
<td class="paramname"><em>input</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t </td>
|
|
<td class="paramname"><em>inputSize</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">uint32_t </td>
|
|
<td class="paramname"><em>keySize</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint8_t * </td>
|
|
<td class="paramname"><em>output</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint32_t * </td>
|
|
<td class="paramname"><em>outputSize</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<p>Perform the full keyed HASH in one function call.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramdir"></td><td class="paramname">base</td><td>LTC peripheral base address </td></tr>
|
|
<tr><td class="paramdir"></td><td class="paramname">algo</td><td>Block cipher algorithm to use for CMAC creation </td></tr>
|
|
<tr><td class="paramdir"></td><td class="paramname">input</td><td>Input data </td></tr>
|
|
<tr><td class="paramdir"></td><td class="paramname">inputSize</td><td>Size of input data in bytes </td></tr>
|
|
<tr><td class="paramdir"></td><td class="paramname">key</td><td>Input key </td></tr>
|
|
<tr><td class="paramdir"></td><td class="paramname">keySize</td><td>Size of input key in bytes </td></tr>
|
|
<tr><td class="paramdir">[out]</td><td class="paramname">output</td><td>Output hash data </td></tr>
|
|
<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>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>Status of the one call hash operation. </dd></dl>
|
|
|
|
</div>
|
|
</div>
|
|
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