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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/ce/ce_config.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">CE 配置</h1><div class="date inPage">16 Dec 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="ce_configuration__section_djy_hzx_21c" data-ofbid="ce_configuration__section_djy_hzx_21c"><h2 class="- topic/title title sectiontitle">内核配置</h2>
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<div class="- topic/p p" data-ofbid="d353199e27__20250121172130">使能 CE 相关的内核驱动：<ol class="- topic/ol ol" id="ce_configuration__ol_ghy_4vl_sdc" data-ofbid="ce_configuration__ol_ghy_4vl_sdc"><li class="- topic/li li" data-ofbid="d353199e30__20250121172130">
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<div class="- topic/p p" data-ofbid="d353199e32__20250121172130">
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<div class="- topic/div div">
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<div class="- topic/p p" data-ofbid="d353199e36__20250121172130">在 SDK 根目录下，执行下列命令，进入 kernel
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的功能配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ce_configuration__codeblock_wg1_3ml_sdc" data-ofbid="ce_configuration__codeblock_wg1_3ml_sdc">make kernel-menuconfig</pre></div>
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<p class="- topic/p p" data-ofbid="d353199e41__20250121172130">或使用简写命令</p>
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<div class="- topic/p p" data-ofbid="d353199e44__20250121172130">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ce_configuration__codeblock_uss_hml_sdc" data-ofbid="ce_configuration__codeblock_uss_hml_sdc">make km</pre>
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</div>
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</div>
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</div>
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</li><li class="- topic/li li" data-ofbid="d353199e52__20250121172130">
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<div class="- topic/p p" data-ofbid="d353199e54__20250121172130">在内核的配置界面中，配置下列选项：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ce_configuration__codeblock_gjy_hzx_21c" data-ofbid="ce_configuration__codeblock_gjy_hzx_21c">Cryptographic API --->
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<*> User-space interface <strong class="hl-keyword">for</strong> asymmetric key cipher algorithms
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[*] Hardware crypto devices --->
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[*] Support <strong class="hl-keyword">for</strong> artinchip cryptographic accelerator
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<*> Artinchip<span class="hl-string">'s crypto engine driver
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</span></pre></div>
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<div class="- topic/p p" data-ofbid="d353199e59__20250121172130">此处特别选择了 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">User-space interface for asymmetric key cipher
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algorithms</span> 是因为默认的 Linux 内核仅对用户空间开放了下列四种类型的算法。<div class="table-container"><table class="- topic/table table frame-all" id="ce_configuration__table_hjy_hzx_21c" data-ofbid="ce_configuration__table_hjy_hzx_21c" data-cols="3"><caption></caption><colgroup><col style="width:22.831050228310502%"/><col style="width:22.831050228310502%"/><col style="width:54.337899543378995%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ce_configuration__table_hjy_hzx_21c__entry__1">算法类型</th><th class="- topic/entry entry colsep-1 rowsep-1" id="ce_configuration__table_hjy_hzx_21c__entry__2">内核开放接口</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ce_configuration__table_hjy_hzx_21c__entry__3">说明</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__1">SKCIPHER</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__2">是</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__3">对称密钥类算法，如 AES、DES 等</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__1">AEAD</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__2">是</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__3">关联数据的认证加密类算法，如 GCM-AES，CCM-AES 等</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__1">HASH</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__2">是</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__3">消息摘要类算法，如 MD5，SHA-256 等</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__1">RNG</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__2">是</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_configuration__table_hjy_hzx_21c__entry__3">随机数类算法</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="ce_configuration__table_hjy_hzx_21c__entry__1">AKCIPHER</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="ce_configuration__table_hjy_hzx_21c__entry__2">否</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="ce_configuration__table_hjy_hzx_21c__entry__3">非对称密钥类算法，如 RSA</td></tr></tbody></table></div></div>
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<p class="- topic/p p" data-ofbid="d353199e114__20250121172130">内核中 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">非对称密钥类算法</span> 默认并没有对用户空间开放。ArtInChip
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对内核打了补丁，使得内核支持用户空间程序 使用内核所提供的非对称密钥算法，在配置内核时使能上述配置即可。</p>
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</li></ol></div>
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</section><section class="- topic/section section" id="ce_configuration__section_jrf_jzx_21c" data-ofbid="ce_configuration__section_jrf_jzx_21c"><h2 class="- topic/title title sectiontitle">DTS 配置</h2>
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<div class="- topic/p p" data-ofbid="d353199e126__20250121172130">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ce_configuration__codeblock_ijy_hzx_21c" data-ofbid="ce_configuration__codeblock_ijy_hzx_21c">crypto: crypto-engine@<span class="hl-number">10020000</span> {
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compatible = <span class="hl-string">"artinchip,aic-crypto-v1.0"</span>;
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reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x10020000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>>;
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interrupts-extended = <&plic0 <span class="hl-number">33</span> IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cmu CLK_CE>;
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resets = <&rst RESET_CE>;
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status = <span class="hl-string">"okay"</span>;
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};</pre>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#ce_configuration__section_djy_hzx_21c" data-tocid="ce_configuration__section_djy_hzx_21c">内核配置</a></div></li><li class="section-item"><div class="section-title"><a href="#ce_configuration__section_jrf_jzx_21c" data-tocid="ce_configuration__section_jrf_jzx_21c">DTS 配置</a></div></li></ul></div>
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