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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_user_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">CE 使用指南</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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</div><div class="- topic/body concept/conbody body conbody"><p class="- topic/p p" data-ofbid="d327850e24__20250121171831">CE 是一个独立的硬件加解密算法引擎，是一个独立的硬件加解密算法引擎，支持多种算法模式。这些算法模式可以单独或组合使用，以满足不同的安全需求和应用场景。</p><div class="- topic/p p" data-ofbid="d327850e26__20250121171831">
<div class="table-container"><table class="- topic/table table frame-all" id="ce_user_guide__table_e5w_sc3_bdc" data-ofbid="ce_user_guide__table_e5w_sc3_bdc" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">术语定义</span></caption><colgroup><col style="width:19.685039370078737%"/><col style="width:48.62204724409449%"/><col style="width:31.69291338582677%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ce_user_guide__table_e5w_sc3_bdc__entry__1">术语</th><th class="- topic/entry entry colsep-1 rowsep-1" id="ce_user_guide__table_e5w_sc3_bdc__entry__2">定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ce_user_guide__table_e5w_sc3_bdc__entry__3">注释说明</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__1">CE</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__2">Crypto Engine</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__3">硬件加解密算法引擎</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__1">DES</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__2">Data Encryption Standard</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__3">一种对称分组密码算法</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__1">AES</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__2">Advanced Encryption Standard</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__3">一种对称分组密钥算法</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__1">ECB</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__2">Electronic Code Book</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__3">电子密码本模式</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__1">CBC</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__2">Cipher Block Chaining</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__3">密码分组链模式</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__1">CTR</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__2">Counter</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__3">计数器模式</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__1">XTS</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__2">XEX Tweakable Block Cipher with Ciphertext Stealing</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__3">一种对称分组密码算法模式</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_e5w_sc3_bdc__entry__1">CTS</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user
</div><section class="- topic/section section" id="ce_user_guide__id3" data-ofbid="ce_user_guide__id3"><h2 class="- topic/title title sectiontitle">模块特性</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="ce_user_guide__table_f5w_sc3_bdc" data-ofbid="ce_user_guide__table_f5w_sc3_bdc" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">CE 支持的算法模式</span></caption><colgroup><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ce_user_guide__table_f5w_sc3_bdc__entry__1">算法类型</th><th class="- topic/entry entry colsep-1 rowsep-1" id="ce_user_guide__table_f5w_sc3_bdc__entry__2">算法列表</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ce_user_guide__table_f5w_sc3_bdc__entry__3">密钥位宽</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__1" rowspan="9">对称密钥算法</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">AES ECB</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">128/256</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">AES CBC</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">128/256</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">AES CTR</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">128/256</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">AES CTS</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">128/256</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">AES XTS</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">256/512</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">DES ECB</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">64</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">DES CBC</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">64</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">TDES ECB</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">192</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">TDES CBC</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">192</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__1">非对称密钥算法</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__2">RSA</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ce_user_guide__table_f5w_sc3_bdc__entry__3">512/1024/2048</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="ce_user_guide__table_f5w_sc3_bdc__entry__1" rowspan="6">消息摘要算法</td><td clas
<div class="- topic/p p" data-ofbid="d327850e267__20250121171831">同时具备下列功能：<ul class="- topic/ul ul simple" id="ce_user_guide__ul_h5w_sc3_bdc" data-ofbid="ce_user_guide__ul_h5w_sc3_bdc"><li class="- topic/li li" data-ofbid="d327850e270__20250121171831">
<p class="- topic/p p" data-ofbid="d327850e272__20250121171831">真随机数产生器(TRNG)</p>
</li><li class="- topic/li li" data-ofbid="d327850e275__20250121171831">
<p class="- topic/p p" data-ofbid="d327850e277__20250121171831">安全访问 eFuse 密钥: eFuse 密钥仅 CE 可访问</p>
</li><li class="- topic/li li" data-ofbid="d327850e280__20250121171831">
<p class="- topic/p p" data-ofbid="d327850e282__20250121171831">安全 SRAM: 保护密钥安全</p>
</li><li class="- topic/li li" data-ofbid="d327850e285__20250121171831">
<p class="- topic/p p" data-ofbid="d327850e287__20250121171831">本地数据安全：加密的数据仅当前设备可解密，其他设备无法解密</p>
</li><li class="- topic/li li" data-ofbid="d327850e290__20250121171831">
<p class="- topic/p p" data-ofbid="d327850e292__20250121171831">硬件设备身份认证：软件可识别当前设备是否合法</p>
</li><li class="- topic/li li" data-ofbid="d327850e295__20250121171831">
<p class="- topic/p p" data-ofbid="d327850e297__20250121171831">可支持实现加密启动</p>
</li><li class="- topic/li li" data-ofbid="d327850e300__20250121171831">
<p class="- topic/p p" data-ofbid="d327850e302__20250121171831">可支持实现安全启动</p>
</li><li class="- topic/li li" data-ofbid="d327850e305__20250121171831">
<p class="- topic/p p" data-ofbid="d327850e307__20250121171831">可支持实现文件系统加密</p>
</li></ul></div>
</section><section class="- topic/section section" id="ce_user_guide__id4" data-ofbid="ce_user_guide__id4"><h2 class="- topic/title title sectiontitle">原理框图</h2>
<figure class="- topic/fig fig fignone" id="ce_user_guide__id5" data-ofbid="ce_user_guide__id5"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="ce_user_guide__image_i5w_sc3_bdc" src="../../../images/ce/ce_block_diagram.png" alt="ce_block_diagram"/></div><br/><figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">CE 原理框图</span></figcaption></figure>
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