{"id":11200,"date":"2024-08-30T01:31:12","date_gmt":"2024-08-29T16:31:12","guid":{"rendered":"https:\/\/happytech.jp\/wordpress\/?p=11200"},"modified":"2024-08-30T02:57:24","modified_gmt":"2024-08-29T17:57:24","slug":"arm-trustzone-the-mcu-basics","status":"publish","type":"post","link":"https:\/\/happytech.jp\/wordpress\/2024\/08\/30\/arm-trustzone-the-mcu-basics\/","title":{"rendered":"Arm TrustZone\u3010\u7d44\u8fbc\u307f\u958b\u767a \u57fa\u672c\u306e\u30ad\u3011"},"content":{"rendered":"<p>MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e2\u56de\u76ee\u306f\u3001Arm TrustZone\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u524d\u7a3f\u89e3\u8aac\u306e\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306f\u3001MCU\u8d77\u52d5\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u4fe1\u983c\u691c\u8a3c\u3092\u884c\u3044\u307e\u3059\u3002Arm TrustZone\u306f\u3001MCU\u5b9f\u884c\u4e2d\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6539\u3056\u3093\u9632\u5fa1\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>TrustZone\u3082\u30d9\u30f3\u30c0\u3084MCU\u6bce\u306b\u305d\u306e\u5b9f\u88c5\u304c\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u306e\u3067\u3001TrustZone\u57fa\u672c\u77e5\u8b58\u3092\u89e3\u308a\u6613\u304f\u8aac\u660e\u5f8c\u3001\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u203bTrustZone\u306f\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3082\u5305\u542b\u3057\u307e\u3059\u3002\u672c\u7a3f\u306f\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u4ee5\u5916\u306e\u5185\u5bb9\u3092\u89e3\u8aac\u3057\u3001Summary\u3067\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n<h3>Arm TrustZone\u57fa\u672c<\/h3>\n<figure id=\"attachment_11202\" aria-describedby=\"caption-attachment-11202\" style=\"width: 847px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-11202\" src=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/10bdc12d11ceba13bca257b21e1f6eeb-1024x327.png\" alt=\"Arm TrustZone\u57fa\u672c\" width=\"847\" height=\"270\" srcset=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/10bdc12d11ceba13bca257b21e1f6eeb-1024x327.png 1024w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/10bdc12d11ceba13bca257b21e1f6eeb-300x96.png 300w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/10bdc12d11ceba13bca257b21e1f6eeb-768x245.png 768w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/10bdc12d11ceba13bca257b21e1f6eeb-360x115.png 360w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/10bdc12d11ceba13bca257b21e1f6eeb.png 1206w\" sizes=\"auto, (max-width: 847px) 100vw, 847px\" \/><figcaption id=\"caption-attachment-11202\" class=\"wp-caption-text\">Arm TrustZone\u57fa\u672c<\/figcaption><\/figure>\n<p>\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u540c\u69d8\u3001Arm TrustZone\uff08\u4ee5\u4e0bTrustZone\uff09\u3082\u5c02\u7528\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u5b9f\u884c\u4e2dMCU\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6539\u3056\u3093\u9632\u5fa1\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u78ba\u4fdd\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>TrustZone\u306f\u3001\u6c17\u5bc6\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u4fdd\u5b58\u3084\u91cd\u8981\u5468\u8fba\u56de\u8def\u3001\u51e6\u7406\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4fdd\u5b58\u3059\u308b\u300c\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u300d\u3068\u3001\u305d\u308c\u4ee5\u5916\u306e\u300c\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u300d\u306bMCU\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u5206\u96e2\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u3001\u4e88\u3081\u6c7a\u3081\u305f\u624b\u7d9a\u304d\u306b\u5f93\u308f\u306a\u3044\u3068\u3001\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u304c\u7981\u6b62\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u306e\u6539\u3056\u3093\u9632\u5fa1\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u306f\u3001\u6697\u53f7\u9375\u3084\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3001\u5272\u8fbc\u307f\u30cf\u30f3\u30c9\u30e9\u306a\u3069\u306e\u91cd\u8981\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<br \/>\n\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u306f\u3001\u901a\u5e38\u306e\u5468\u8fba\u56de\u8def\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>TrustZone\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9055\u53cd\u691c\u51fa\u6642\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f8b\u5916\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u306e\u51e6\u7406\u5185\u5bb9\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3084\u5b9f\u88c5\u306b\u3088\u308a\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001MCU\u52d5\u4f5c\u505c\u6b62\u3084\u30bb\u30fc\u30d5\u30e2\u30fc\u30c9\u3067\u306e\u6700\u5c0f\u6a5f\u80fd\u52d5\u4f5c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u306e\u9055\u53cd\u5185\u5bb9\u901a\u77e5\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306bTrustZone\u306f\u3001\u69d8\u3005\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u306b\u67d4\u8edf\u306b\u5bfe\u5fdc\u53ef\u80fd\u3067\u3059\u3002TrustZone\u5bfe\u5fdcArm Cortex-M\u30b3\u30a2\u4e00\u89a7\u304c\u4e0b\u8a18\u3067\u3059\u3002Cortex-M33\u306a\u3069\u65b0\u3057\u3044\u8a2d\u8a08\u306eArmv8-M MCU\u30b3\u30a2\u306f\u3001TrustZone\u5185\u8535\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_11217\" aria-describedby=\"caption-attachment-11217\" style=\"width: 847px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11217 size-large\" src=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/084652fcf6d0ace839a04885f8e29c46-1024x538.jpg\" alt=\"TrustZone\u5bfe\u5fdcArm Cortex-M_Processor_Comparison_Table\u306b\u52a0\u7b46\uff08\u51fa\u5178\uff1aARM\uff09\" width=\"847\" height=\"445\" srcset=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/084652fcf6d0ace839a04885f8e29c46-1024x538.jpg 1024w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/084652fcf6d0ace839a04885f8e29c46-300x158.jpg 300w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/084652fcf6d0ace839a04885f8e29c46-768x404.jpg 768w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/084652fcf6d0ace839a04885f8e29c46-1536x808.jpg 1536w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/084652fcf6d0ace839a04885f8e29c46-360x189.jpg 360w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/084652fcf6d0ace839a04885f8e29c46.jpg 1885w\" sizes=\"auto, (max-width: 847px) 100vw, 847px\" \/><figcaption id=\"caption-attachment-11217\" class=\"wp-caption-text\">TrustZone\u5bfe\u5fdcArm Cortex-M_Processor_Comparison_Table\u306b\u52a0\u7b46\uff08\u51fa\u5178\uff1aARM\uff09<\/figcaption><\/figure>\n<p>\u203bCortex-M7\u306f\u3001MPU\u3067\u8a2d\u8a08\u3082\u53e4\u3044\u305f\u3081TrustZone\u306a\u3057\u3002TrustZone MPU\u306f\u3001Cortex-A35\u306a\u3069\u3002<\/p>\n<h3>TrustZone\u5b9f\u88c5\u4f8b<\/h3>\n<p>\u524d\u7ae0\u3067TrustZone\u306e\u57fa\u672c\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306eTrustZone\u306f\u3001\u3082\u3063\u3068\u8907\u96d1\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001ST\u30de\u30a4\u30af\u30ed\uff09STM32L5\/U5 MCU\uff08Cortex-M33\u30b3\u30a2\uff09\u306eTrustZone\u30a6\u30a7\u30d3\u30ca\u30fc\u8cc7\u6599\u304c\u3001<a href=\"https:\/\/www.stmcu.jp\/design\/document\/presentation_j\/76492\/\" target=\"_blank\" rel=\"noopener\">\u30b3\u30c1\u30e9<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>I2C\/SPI\u3078\u306e\u30cf\u30c3\u30ab\u30fc\u653b\u6483\u4f8b\uff08P10\uff09\u3068\u305d\u306e\u9632\u5fa1\uff08P11\uff09\u3001TrustZone\u5206\u96e2\u4f8b\uff08P20\uff09\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9055\u53cd\u691c\u51fa\u65b9\u6cd5\uff08P21\uff5e23\uff09\u3001TrustZone\u521d\u671f\u8a2d\u5b9a\u30d5\u30ed\u30fc\uff08P29\uff09\u306a\u3069\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001TrustZone\u306bJTAG\u30dd\u30fc\u30c8\u7121\u52b9\u5316\u3084MCU\u30d1\u30c3\u30b1\u30fc\u30b8\u958b\u5c01\u691c\u51fa\uff08\u30bf\u30f3\u30d1\u691c\u51fa\uff09\u306a\u3069\u306e\u8907\u6570\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u91cd\u306d\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u3092\u4e0a\u3052\u3066\u3044\u308b\u3053\u3068\u3082\u5224\u308a\u307e\u3059\uff08P17\uff09\u3002<\/p>\n<figure id=\"attachment_11204\" aria-describedby=\"caption-attachment-11204\" style=\"width: 847px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-11204\" src=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d8a9926e73a154718a44276173100541-1024x564.png\" alt=\"\u8907\u6570\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u91cd\u306d\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u3092\u4e0a\u3052\u308b\uff08\u51fa\u5178\uff1aST\u30de\u30a4\u30af\u30edSTM32L5\uff0fU5 MCU TrustZone\u30a6\u30a7\u30d3\u30ca\u30fc\u8cc7\u6599\uff09\" width=\"847\" height=\"467\" srcset=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d8a9926e73a154718a44276173100541-1024x564.png 1024w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d8a9926e73a154718a44276173100541-300x165.png 300w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d8a9926e73a154718a44276173100541-768x423.png 768w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d8a9926e73a154718a44276173100541-360x198.png 360w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d8a9926e73a154718a44276173100541.png 1210w\" sizes=\"auto, (max-width: 847px) 100vw, 847px\" \/><figcaption id=\"caption-attachment-11204\" class=\"wp-caption-text\">\u8907\u6570\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u91cd\u306d\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u3092\u4e0a\u3052\u308b\uff08\u51fa\u5178\uff1aST\u30de\u30a4\u30af\u30edSTM32L5\uff0fU5 MCU TrustZone\u30a6\u30a7\u30d3\u30ca\u30fc\u8cc7\u6599\uff09<\/figcaption><\/figure>\n<p>\u3053\u306e\u5b9f\u88c5\u4f8b\u306f\u3001Secure User Memory\uff08P15\uff09\u683c\u7d0d\u306e\u6697\u53f7\u9375\u3092\u4f7f\u3063\u3066\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u5f8c\u3001I2C\u30c7\u30d0\u30a4\u30b9\u5236\u5fa1\u3068SPI\u7121\u7dda\u901a\u4fe1\u5236\u5fa1\u3092\u91cd\u8981\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u3078\u683c\u7d0d\u3001\u30cf\u30c3\u30ab\u30fc\u653b\u6483\u306a\u3069\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9055\u53cd\u691c\u51fa\u6642\u3067\u3082\u3001\u3053\u308c\u3089\u30bb\u30ad\u30e5\u30a2\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u51e6\u7406\u306f\u7d99\u7d9a\u3001\u304b\u3064\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9055\u53cd\u691c\u51fa\u5185\u5bb9\u3092\u5916\u90e8\u7121\u7dda\u901a\u77e5\u3059\u308bMCU\u30a2\u30d7\u30ea\u3060\u3068\u63a8\u6e2c\u3057\u307e\u3059\u3002<\/p>\n<p>\u203b\u30a6\u30a7\u30d3\u30ca\u30fc\u8cc7\u6599\u3067\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3068\u8a18\u8ff0\u306e\u7b87\u6240\u306f\u3001\u672c\u7a3f\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u89e3\u91c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>TrustZone\u958b\u767a\u306e\u96e3\u3057\u3055<\/h3>\n<p>TrustZone\u3092\u4f7f\u3046MCU\u958b\u767a\u306f\u3001\u901a\u5e38\u958b\u767a\u306b\u52a0\u3048\u3001<\/p>\n<ul>\n<li>\u60f3\u5b9a\u653b\u6483\u3001\u8105\u5a01\u306f\u4f55\u304b<\/li>\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9055\u53cd\u306e\u4f8b\u5916\u51e6\u7406\u3092\u3069\u3046\u3059\u308b\u304b<\/li>\n<li>\u4f8b\u5916\u51e6\u7406\u30c7\u30d0\u30c3\u30b0\u306f\u3069\u3046\u884c\u3046\u304b<\/li>\n<li>\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u306e\u91cd\u8981\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3001\u5468\u8fba\u56de\u8def\u306f\u4f55\u304b<\/li>\n<li>\u30bb\u30ad\u30e5\u30a2\/\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u5206\u96e2\u30a2\u30d7\u30ea\u306e\u540c\u6642\u958b\u767a<\/li>\n<\/ul>\n<p>\u306a\u3069\u3001\u591a\u304f\u306e\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30bb\u30ad\u30e5\u30a2\/\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u5206\u96e2\u524d\u306e\u901a\u5e38\u30a2\u30d7\u30ea\u306b\u30d0\u30b0\u304c\u7121\u3044\u3053\u3068\u3082\u5fc5\u8981\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u52b9\u679c\u3068\u30ea\u30b9\u30af\u3001\u958b\u767a\u30b3\u30b9\u30c8\u306b\u5bfe\u3057\u3001\u8cbb\u7528\u5bfe\u52b9\u679c\u3092\u9867\u5ba2\u3068\u76f8\u8ac7\u3059\u308b\u5fc5\u8981\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>TrustZone MCU\u958b\u767a\u306f\u3001\u9ad8\u5ea6\u306a\u30b9\u30ad\u30eb\u304c\u5fc5\u8981\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2>Summary\uff1aArm TrustZone\u57fa\u672c\u77e5\u8b58<\/h2>\n<p>\u7d44\u8fbc\u307f\u958b\u767a\u57fa\u672c\u306e\u30ad\u3068\u3057\u3066\u3001MCU\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u3068\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u306b\u5206\u96e2\u3057\u3001\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3092\u7981\u6b62\u3059\u308b\u3053\u3068\u3067\u3001<strong>\u5b9f\u884c\u4e2d<\/strong>\u306e\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u6539\u3056\u3093\u9632\u5fa1\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u78ba\u4fdd\u3092\u884c\u3046Arm TrustZone\u306e\u57fa\u672c\u3092\u793a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>TrustZone\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9055\u53cd\u691c\u51fa\u6642\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f8b\u5916\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u5916\u51e6\u7406\u5185\u5bb9\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3084\u5b9f\u88c5\u306b\u3088\u308a\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u591a\u69d8\u6027\u7406\u89e3\u306b\u306f\u3001TrustZone\u57fa\u672c\u77e5\u8b58\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/happytech.jp\/wordpress\/2024\/08\/23\/mcu-secure-boot-the-mcu-basics\/\" target=\"_blank\" rel=\"noopener\">\u524d\u7a3f<\/a>\u89e3\u8aac\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306f\u3001MCU<strong>\u8d77\u52d5<\/strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u4fe1\u983c\u6027\u306e\u691c\u8a3c\u3092\u884c\u3044\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3068TrustZone\u306e\u4f75\u7528\u3067\u3001\u8d77\u52d5\/\u5b9f\u884c\u4e2d\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u6539\u3056\u3093\u9632\u5fa1\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u78ba\u4fdd\u304c\u3067\u304d\u307e\u3059\u3002TrustZone\u304c\u3001\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3092\u5305\u542b\u3059\u308b\u7406\u7531\u304c\u3053\u308c\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_11205\" aria-describedby=\"caption-attachment-11205\" style=\"width: 935px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11205\" src=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/376d4e122b72a7c4db4f75b2ef3d0614.png\" alt=\"Arm TrsutZome\u307e\u3068\u3081\" width=\"935\" height=\"540\" srcset=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/376d4e122b72a7c4db4f75b2ef3d0614.png 935w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/376d4e122b72a7c4db4f75b2ef3d0614-300x173.png 300w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/376d4e122b72a7c4db4f75b2ef3d0614-768x444.png 768w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/376d4e122b72a7c4db4f75b2ef3d0614-360x208.png 360w\" sizes=\"auto, (max-width: 935px) 100vw, 935px\" \/><figcaption id=\"caption-attachment-11205\" class=\"wp-caption-text\">Arm TrsutZome\u307e\u3068\u3081<\/figcaption><\/figure>\n<h3>Afterword1\uff1a\u81ea\u8ee2\u8eca\u30ed\u30fc\u30c9\u30ec\u30fc\u30b9\u7af6\u6280\u4e2d\u306e\u30cf\u30c3\u30ad\u30f3\u30b0<\/h3>\n<p>\u30ef\u30a4\u30e4\u30ec\u30b9\u6280\u8853\u5229\u7528\u5236\u5fa1\u7cfb\u306e\u6f5c\u5728\u7684\u8106\u5f31\u6027\u653b\u6483\u4f8b\u304c\u3001<a href=\"https:\/\/wired.jp\/article\/shimano-wireless-bicycle-shifter-jamming-replay-attacks\/\" target=\"_blank\" rel=\"noopener\">\u30b3\u30c1\u30e9<\/a>\u306b\u3042\u308a\u307e\u3059\u3002350\u30c9\u30eb\u7a0b\u5ea6\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7121\u7dda\u6a5fHackRF\u3084Raspberry Pi\u306a\u3069\u3067\u3082\u653b\u6483\u53ef\u80fd\u3060\u305d\u3046\u3067\u3059\u3002\u672c\u7a3f\u306eTrustZone\u5b9f\u88c5\u4f8b\u304c\u5bfe\u7b56\u306b\u4f7f\u308f\u308c\u305f\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30cf\u30c3\u30ad\u30f3\u30b0\u691c\u51fa\u6642\u3067\u3082\u3001\u7c21\u5358\u306b\u52d5\u4f5c\u505c\u6b62\u3067\u304d\u306a\u3044\uff08\u3057\u306a\u3044\uff09\u4e8b\u4f8b\u3067\u3059\u3002<\/p>\n<h3>Afterword2\uff1aMCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u307e\u3068\u3081<\/h3>\n<p>\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3068TrustZone\u304b\u3089\u3001MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4fef\u77b0\u3057\u305f\u306e\u304c\u4e0b\u8a18\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u653b\u6483\u5bfe\u8c61\u30bd\u30d5\u30c8\u3092Root of Trust\uff08RoT\uff09\u30cf\u30fc\u30c9\u3067\u5b88\u308b\u306e\u304cMCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/li>\n<li>RoT\u30cf\u30fc\u30c9\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9055\u53cd\u691c\u51fa\u3001\u4f8b\u5916\u51e6\u7406\u30bd\u30d5\u30c8\u3067\u9055\u53cd\u51e6\u7406<\/li>\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5b9f\u88c5\u306f\u30a2\u30d7\u30ea\u3084\u904b\u7528\u3067\u5927\u304d\u304f\u5909\u308f\u308b\u3002\u958b\u767a\u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u691c\u8a0e\u5fc5\u9808<\/li>\n<li>Armv8-M\u4ee5\u5f8c\u306e\u65b0\u3057\u3044MCU\u30b3\u30a2\u306bRoT TrustZone\u5185\u8535<\/li>\n<\/ul>\n<p>\u8cbb\u7528\u5bfe\u52b9\u679c\u306b\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5168\u822c\u77e5\u8b58\u3082\u5fc5\u8981\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5b9f\u88c5\u958b\u767a\u3068\u306f\u5225\u6b21\u5143\u306e\u96e3\u3057\u3044\u8ab2\u984c\u3067\u3059\u3002\u5bfe\u7b56\u306f\u3001<a href=\"https:\/\/happytech.jp\/wordpress\/2024\/07\/19\/copilot-pc-cpu-as-of-july-24\/\" target=\"_blank\" rel=\"noopener\">AI PC<\/a>\u3092\u4f7f\u3063\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30f3\u30b5\u30eb\u30bf\u30f3\u30c8\u80b2\u6210\u306a\u3069\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u30d6\u30ed\u30b0\u53f3\u4e0a\u691c\u7d22\u7a93\u3078\u300c\u57fa\u672c\u306e\u30ad\u300d\u3068\u5165\u529b\u3057\u691c\u7d22\u3059\u308b\u3068\u3001\u69d8\u3005\u306aMCU\u958b\u767a\u8005\u5411\u3051\u57fa\u672c\u77e5\u8b58\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u3054\u6d3b\u7528\u304f\u3060\u3055\u3044\u3002<br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-6224202239761885\" data-ad-slot=\"3310976040\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7d44\u8fbc\u307f\u958b\u767a\u57fa\u672c\u306e\u30ad\u3068\u3057\u3066MCU\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u3068\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u306b\u5206\u96e2\u3057\u30ce\u30f3\u30bb\u30ad\u30e5\u30a2\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u7981\u6b62\u306b\u3088\u308a\u5b9f\u884c\u4e2dMCU\u30bb\u30ad\u30e5\u30a2\u9818\u57df\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u6539\u3056\u3093\u9632\u5fa1\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u78ba\u4fdd\u3092\u884c\u3046Arm TrustZone\u57fa\u672c\u3092\u793a\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[695,8,9,62,60,127,65,509,114],"tags":[568,956,957,959],"class_list":["post-11200","post","type-post","status-publish","format-standard","hentry","category-ra-macu","category-rl78-mcu","category-mcu","category-lpc-mcu","category-kinetis-mcu","category-stm32-mcu","category-psoc-proc-mcu","category-msp432-mcu","category-cortex-m33-core","tag-root-of-trust","tag-956","tag-mcu","tag-trsutzone"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Arm TrustZone\u3010\u7d44\u8fbc\u307f\u958b\u767a \u57fa\u672c\u306e\u30ad\u3011 - IoT MCU\u306eHappyTech<\/title>\n<meta name=\"description\" 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