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412 lines
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<div class="summary">
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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">DCP AES non-blocking driver<div class="ingroups"><a class="el" href="a00020.html">DCP: Data Co-Processor</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 DCP AES non-blocking driver. </p>
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<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:gad1817bda1adfdc5d44ec8680d19bae72"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00274.html#gad1817bda1adfdc5d44ec8680d19bae72">DCP_AES_EncryptEcbNonBlocking</a> (DCP_Type *base, <a class="el" href="a00020.html#ga3a72807e47a0e99f3827c8ca5b299484">dcp_handle_t</a> *handle, <a class="el" href="a00020.html#gae21a78fdbeddfb819e22fa7b7835b937">dcp_work_packet_t</a> *dcpPacket, const uint8_t *plaintext, uint8_t *ciphertext, size_t size)</td></tr>
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<tr class="memdesc:gad1817bda1adfdc5d44ec8680d19bae72"><td class="mdescLeft"> </td><td class="mdescRight">Encrypts AES using the ECB block mode. <a href="#gad1817bda1adfdc5d44ec8680d19bae72">More...</a><br/></td></tr>
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<tr class="separator:gad1817bda1adfdc5d44ec8680d19bae72"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga539f81acf96426e66daab1e4aebdc89a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00274.html#ga539f81acf96426e66daab1e4aebdc89a">DCP_AES_DecryptEcbNonBlocking</a> (DCP_Type *base, <a class="el" href="a00020.html#ga3a72807e47a0e99f3827c8ca5b299484">dcp_handle_t</a> *handle, <a class="el" href="a00020.html#gae21a78fdbeddfb819e22fa7b7835b937">dcp_work_packet_t</a> *dcpPacket, const uint8_t *ciphertext, uint8_t *plaintext, size_t size)</td></tr>
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<tr class="memdesc:ga539f81acf96426e66daab1e4aebdc89a"><td class="mdescLeft"> </td><td class="mdescRight">Decrypts AES using ECB block mode. <a href="#ga539f81acf96426e66daab1e4aebdc89a">More...</a><br/></td></tr>
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<tr class="separator:ga539f81acf96426e66daab1e4aebdc89a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga4c336091f696e34e93df272e5fef9f1e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00274.html#ga4c336091f696e34e93df272e5fef9f1e">DCP_AES_EncryptCbcNonBlocking</a> (DCP_Type *base, <a class="el" href="a00020.html#ga3a72807e47a0e99f3827c8ca5b299484">dcp_handle_t</a> *handle, <a class="el" href="a00020.html#gae21a78fdbeddfb819e22fa7b7835b937">dcp_work_packet_t</a> *dcpPacket, const uint8_t *plaintext, uint8_t *ciphertext, size_t size, const uint8_t *iv)</td></tr>
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<tr class="memdesc:ga4c336091f696e34e93df272e5fef9f1e"><td class="mdescLeft"> </td><td class="mdescRight">Encrypts AES using CBC block mode. <a href="#ga4c336091f696e34e93df272e5fef9f1e">More...</a><br/></td></tr>
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<tr class="separator:ga4c336091f696e34e93df272e5fef9f1e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga26d7c8050e5a5a5fb3abcc8ced712187"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00274.html#ga26d7c8050e5a5a5fb3abcc8ced712187">DCP_AES_DecryptCbcNonBlocking</a> (DCP_Type *base, <a class="el" href="a00020.html#ga3a72807e47a0e99f3827c8ca5b299484">dcp_handle_t</a> *handle, <a class="el" href="a00020.html#gae21a78fdbeddfb819e22fa7b7835b937">dcp_work_packet_t</a> *dcpPacket, const uint8_t *ciphertext, uint8_t *plaintext, size_t size, const uint8_t *iv)</td></tr>
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<tr class="memdesc:ga26d7c8050e5a5a5fb3abcc8ced712187"><td class="mdescLeft"> </td><td class="mdescRight">Decrypts AES using CBC block mode. <a href="#ga26d7c8050e5a5a5fb3abcc8ced712187">More...</a><br/></td></tr>
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<tr class="separator:ga26d7c8050e5a5a5fb3abcc8ced712187"><td class="memSeparator" colspan="2"> </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="gad1817bda1adfdc5d44ec8680d19bae72"></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"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> DCP_AES_EncryptEcbNonBlocking </td>
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<td>(</td>
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<td class="paramtype">DCP_Type * </td>
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<td class="paramname"><em>base</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"><a class="el" href="a00020.html#ga3a72807e47a0e99f3827c8ca5b299484">dcp_handle_t</a> * </td>
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<td class="paramname"><em>handle</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"><a class="el" href="a00020.html#gae21a78fdbeddfb819e22fa7b7835b937">dcp_work_packet_t</a> * </td>
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<td class="paramname"><em>dcpPacket</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">const uint8_t * </td>
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<td class="paramname"><em>plaintext</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">uint8_t * </td>
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<td class="paramname"><em>ciphertext</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>size</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>Puts AES ECB encrypt work packet to DCP channel.</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>DCP peripheral base address </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">handle</td><td>Handle used for this request. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">dcpPacket</td><td>Memory for the DCP work packet. </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">plaintext</td><td>Input plain text to encrypt. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">ciphertext</td><td>Output cipher text </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">size</td><td>Size of input and output data in bytes. Must be multiple of 16 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>kStatus_Success The work packet has been scheduled at DCP channel. </dd>
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<dd>
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kStatus_DCP_Again The DCP channel is busy processing previous request. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga539f81acf96426e66daab1e4aebdc89a"></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"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> DCP_AES_DecryptEcbNonBlocking </td>
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<td>(</td>
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<td class="paramtype">DCP_Type * </td>
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<td class="paramname"><em>base</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"><a class="el" href="a00020.html#ga3a72807e47a0e99f3827c8ca5b299484">dcp_handle_t</a> * </td>
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<td class="paramname"><em>handle</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"><a class="el" href="a00020.html#gae21a78fdbeddfb819e22fa7b7835b937">dcp_work_packet_t</a> * </td>
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<td class="paramname"><em>dcpPacket</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">const uint8_t * </td>
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<td class="paramname"><em>ciphertext</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">uint8_t * </td>
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<td class="paramname"><em>plaintext</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>size</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>Puts AES ECB decrypt dcpPacket to DCP input job ring.</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>DCP peripheral base address </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">handle</td><td>Handle used for this request. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">dcpPacket</td><td>Memory for the DCP work packet. </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">ciphertext</td><td>Input cipher text to decrypt </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">plaintext</td><td>Output plain text </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">size</td><td>Size of input and output data in bytes. Must be multiple of 16 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>kStatus_Success The work packet has been scheduled at DCP channel. </dd>
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<dd>
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kStatus_DCP_Again The DCP channel is busy processing previous request. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga4c336091f696e34e93df272e5fef9f1e"></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"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> DCP_AES_EncryptCbcNonBlocking </td>
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<td>(</td>
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<td class="paramtype">DCP_Type * </td>
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<td class="paramname"><em>base</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"><a class="el" href="a00020.html#ga3a72807e47a0e99f3827c8ca5b299484">dcp_handle_t</a> * </td>
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<td class="paramname"><em>handle</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"><a class="el" href="a00020.html#gae21a78fdbeddfb819e22fa7b7835b937">dcp_work_packet_t</a> * </td>
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<td class="paramname"><em>dcpPacket</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">const uint8_t * </td>
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<td class="paramname"><em>plaintext</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">uint8_t * </td>
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<td class="paramname"><em>ciphertext</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>size</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">const uint8_t * </td>
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<td class="paramname"><em>iv</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>Puts AES CBC encrypt dcpPacket to DCP input job ring.</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>DCP peripheral base address </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">handle</td><td>Handle used for this request. Specifies jobRing. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">dcpPacket</td><td>Memory for the DCP work packet. </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">plaintext</td><td>Input plain text to encrypt </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">ciphertext</td><td>Output cipher text </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">size</td><td>Size of input and output data in bytes. Must be multiple of 16 bytes. </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">iv</td><td>Input initial vector to combine with the first input block. </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>kStatus_Success The work packet has been scheduled at DCP channel. </dd>
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<dd>
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kStatus_DCP_Again The DCP channel is busy processing previous request. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga26d7c8050e5a5a5fb3abcc8ced712187"></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"><a class="el" href="a00272.html#gaaabdaf7ee58ca7269bd4bf24efcde092">status_t</a> DCP_AES_DecryptCbcNonBlocking </td>
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<td>(</td>
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<td class="paramtype">DCP_Type * </td>
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<td class="paramname"><em>base</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"><a class="el" href="a00020.html#ga3a72807e47a0e99f3827c8ca5b299484">dcp_handle_t</a> * </td>
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<td class="paramname"><em>handle</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"><a class="el" href="a00020.html#gae21a78fdbeddfb819e22fa7b7835b937">dcp_work_packet_t</a> * </td>
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<td class="paramname"><em>dcpPacket</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">const uint8_t * </td>
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<td class="paramname"><em>ciphertext</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">uint8_t * </td>
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<td class="paramname"><em>plaintext</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>size</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">const uint8_t * </td>
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<td class="paramname"><em>iv</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>Puts AES CBC decrypt dcpPacket to DCP input job ring.</p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramdir"></td><td class="paramname">base</td><td>DCP peripheral base address </td></tr>
|
|
<tr><td class="paramdir"></td><td class="paramname">handle</td><td>Handle used for this request. Specifies jobRing. </td></tr>
|
|
<tr><td class="paramdir">[out]</td><td class="paramname">dcpPacket</td><td>Memory for the DCP work packet. </td></tr>
|
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<tr><td class="paramdir"></td><td class="paramname">ciphertext</td><td>Input cipher text to decrypt </td></tr>
|
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<tr><td class="paramdir">[out]</td><td class="paramname">plaintext</td><td>Output plain text </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">size</td><td>Size of input and output data in bytes. Must be multiple of 16 bytes. </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">iv</td><td>Input initial vector to combine with the first input block. </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>kStatus_Success The work packet has been scheduled at DCP channel. </dd>
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<dd>
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kStatus_DCP_Again The DCP channel is busy processing previous request. </dd></dl>
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</div>
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