{"id":8403,"date":"2021-09-17T00:50:38","date_gmt":"2021-09-16T15:50:38","guid":{"rendered":"https:\/\/happytech.jp\/wordpress\/?p=8403"},"modified":"2022-01-05T01:38:57","modified_gmt":"2022-01-04T16:38:57","slug":"basic-key-iot-mcu-security","status":"publish","type":"post","link":"https:\/\/happytech.jp\/wordpress\/2021\/09\/17\/basic-key-iot-mcu-security\/","title":{"rendered":"\u7d44\u8fbc\u307f\u958b\u767a \u57fa\u672c\u306e\u30ad\uff1aIoT MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3"},"content":{"rendered":"

\u672c\u7a3f\u306f\u3001IoT MCU\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\/\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u958b\u767a\u8005\u5411\u3051Tips\u3067\u3001\u300cMCU\u958b\u767a\u57fa\u672c\u306e\u30ad\u300d\u30b7\u30ea\u30fc\u30ba\u306e\u7b2c1\u56de\u76ee\u3067\u3059\u3002MCU\u30d9\u30f3\u30c0\u6a2a\u65ad\u7684\u306b\u958b\u767a\u30dd\u30a4\u30f3\u30c8\u3001Tips\u306a\u3069\u3092\u4e0d\u5b9a\u671f\u306b\u6295\u7a3f\u3057\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u306f\u3001\u305d\u3082\u305d\u3082IoT MCU\u306b\u3001\u306a\u305c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5fc5\u8981\u304b\u3068\u3044\u3046\u6700\u3082\u57fa\u672c\u7684\u306a\u70b9\u306b\u3064\u3044\u3066\u793a\u3057\u307e\u3059\u3002<\/p>\n

\u5e45\u5e83\u3044\u6280\u8853\u304cIoT MCU\u958b\u767a\u8005\u306b\u306f\u5fc5\u8981\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u5168\u3066\u3092\u7406\u89e3\u3057\u3001\u6642\u3005\u523b\u3005\u5909\u5316\u3059\u308b\u72b6\u6cc1\u306b\u5bfe\u5fdc\u3059\u308b\u306b\u306f\u6642\u9593\u304c\u3044\u304f\u3089\u3042\u3063\u3066\u3082\u8db3\u308a\u307e\u305b\u3093\u3002\u60c5\u5831\u304c\u591a\u304f\u5e45\u5e83\u3044\u304b\u3089\u3053\u305d\u3001\u77ed\u6642\u9593\u3067\u52b9\u7387\u7684\u306aIoT MCU\u958b\u767a\u306e\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\u3084Tips\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u30dd\u30a4\u30f3\u30c8\u3084Tips\u306b\u3064\u3044\u3066\u7b46\u8005\u500b\u4eba\u306e\u8003\u3048\u65b9\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u3001\u305f\u305f\u304d\u53f0\u306b\u3057\u3066\u3001\u30d6\u30ed\u30b0\u8aad\u8005\u306e\u65b9\u3005\u306e\u8003\u3048\u65b9\u306b\u767a\u5c55\u30fb\u8ca2\u732e\u3067\u304d\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n

\u63a5\u7d9a\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n
\"\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\"
\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/figcaption><\/figure>\n

IoT MCU\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306a\u3069\u306b\u63a5\u7d9a\u3057\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u524d\u63d0\u3067\u3059\u3002<\/p>\n

\u4eba\u304c\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u6642\u306f\u3001\u4e8b\u524d\u306b\u30a2\u30ab\u30a6\u30f3\u30c8\u767b\u9332\u3057\u3001ID\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u306e\u767b\u9332\u60c5\u5831\u3092\u63a5\u7d9a\u6642\u306b\u624b\u5165\u529b\u3001\u30cd\u30c3\u30c8\u5074\u3067\u53d7\u4fe1\u30c7\u30fc\u30bf\u3068\u4e8b\u524d\u767b\u9332\u60c5\u5831\u3068\u6bd4\u8f03<\/strong>\u3057\u63a5\u7d9a\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/p>\n

IoT MCU\u306f\u3001\u4eba\u306e\u624b\u5165\u529b\u306e\u4ee3\u308f\u308a\u306b\u81ea\u52d5\u3067\u767b\u9332\u60c5\u5831\u3092\u30cd\u30c3\u30c8\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u63a5\u7d9a\u3057\u307e\u3059\u3002\u3053\u306e\u6642\u5927\u5207\u306a\u306e\u304c\u3001IoT MCU\u5185\u90e8\u306b\u4fdd\u5b58\u6e08\u307f\u306e\u767b\u9332\u60c5\u5831\u3067\u3059\u3002\u767b\u9332\u60c5\u5831\u3092\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3084\u30cf\u30c3\u30ab\u30fc\u304b\u3089\u5b88\u308b\u624b\u6bb5\u304cIoT MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u3059\u3002<\/p>\n

\u30cf\u30c3\u30ab\u30fc\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001OTA<\/h3>\n

\u30cf\u30c3\u30ab\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u300c\u3044\u305f\u3061\u3054\u3063\u3053\u300d\u3092\u7e70\u8fd4\u3057\u307e\u3059\u3002<\/p>\n

\u4f8b\u3048\u3070\u3001\u30b3\u30c1\u30e9<\/a>\u306eFirefox 91\u3068Windows 10\u898f\u5b9a\u30d6\u30e9\u30a6\u30b6\u30fc\u8a2d\u5b9a\u3001Windows 11\u3067\u66f4\u306b\u8907\u96d1\u5316\u3059\u308b\u8a2d\u5b9a\u304c\u305d\u306e\u4f8b\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u30cf\u30c3\u30ab\u30fc\u5f79\u304cFirefox\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f79\u304cWindow\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n

\u69d8\u3005\u306aIoT MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u624b\u6bb5\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u5b88\u308a\u306f\u653b\u3081\u306b\u5bfe\u3059\u308b\u5bfe\u51e6\u7642\u6cd5\u306a\u306e\u3067\u5b88\u308a\u306e\u8ffd\u52a0\u3084\u66f4\u65b0\u304c\u5fc5\u8981<\/strong>\u3068\u306a\u308b\u70b9\u3067\u3059\u3002<\/p>\n

\u3064\u307e\u308a\u3001\u500b\u3005\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u624b\u6bb5\u3092\u77e5\u308b\u3053\u3068\u3088\u308a\u3082\u3001\u4f55\u3092\uff08IoT MCU\u306e\u767b\u9332\u60c5\u5831\u3084\u79d8\u5bc6\u9375\u306a\u3069\u306e\u91cd\u8981\u60c5\u5831\uff09\u3069\u306e\u3088\u3046\u306b\u5b88\u308b\u304b\u306e\u65b9\u304c\u3088\u308a\u91cd\u8981\u3067\u3059\u3002\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u308b\u5b88\u308a\u3088\u308a\u3082\u3088\u308a\u5f37\u56fa\u306a\u5185\u8535\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u91cd\u8981\u60c5\u5831\u3092\u5b88\u308b\u306e\u304c\u3001ARM Cortex-M33\u30b3\u30a2\u306eTrustZone\u3067\u3059\u3002<\/p>\n

\u3044\u305f\u3061\u3054\u3063\u3053\u306e\u7d42\u606f\u7b56\u3068\u3057\u3066\u3001MCU\u5185\u8535TrustZone\u3068\u305d\u306e\u5236\u5fa1\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u63a1\u7528\u3057\u305f\u8a33\u3067\u3059\u3002<\/p>\n

Windows 11\u3067\u5c0e\u5165\u3055\u308c\u308bTPM 2.0\u3082\u3001TrustZone\u76f8\u5f53\u3067\u3059\u3002\u3057\u304b\u3057\u3001TPM\u4fdd\u8b77PC\u304b\u3089\u60c5\u5831\u3092\u629c\u51fa\u3059\u65b9\u6cd5\u3068\u3044\u3046\u8a18\u4e8b<\/a>\u3082\u3042\u308a\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u306f\u7d42\u308f\u308a\u304c\u7121\u3044\u3068\u8a00\u3063\u3066\u3082\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u7d42\u308f\u308a\u304c\u7121\u3044\u306e\u3067\u3001OTA\uff08Over The Air\uff09\u306b\u3088\u308a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u624b\u6bb5\u306e\u8ffd\u52a0\u3084\u5236\u5fa1\u65b9\u6cd5\u66f4\u65b0\u304c\u5fc5\u8981\u306b\u306a\u308b\u8a33\u3067\u3059\u3002OTA\u306f\u3001IoT MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8ffd\u52a0\u66f4\u65b0\u304c\u672c\u6765\u306e\u76ee\u7684\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d0\u30b0\u4fee\u6b63\u306f\u526f\u6b21\u7684\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u63a5\u7d9a\u4f1d\u9001\u8def\u30a8\u30e9\u30fc\u8a02\u6b63<\/h3>\n

\u7121\u7dda\u3067\u3042\u308c\u6709\u7dda\u3067\u3042\u308c\u3001\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u4f1d\u9001\u8def\u306b\u30ce\u30a4\u30ba\u6df7\u5165\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3001IoT MCU\u30bb\u30ad\u30a3\u30ea\u30c6\u30a3\u304c\u6b63\u5e38\u304b\u7570\u5e38\u304b\u306e\u5224\u65ad\u306f\u3001\u53d7\u4fe1\u30c7\u30fc\u30bf\u306b\u30ce\u30a4\u30ba\uff08\u8aa4\u308a\uff09\u304c\u7121\u3044\u3053\u3068\u304c\u524d\u63d0\u3067\u3059\u3002<\/p>\n

\u305d\u3053\u3067\u3001\u53d7\u4fe1\u5074\u306b\u3001\u53d7\u4fe1\u30c7\u30fc\u30bf\u306b\u6df7\u5165\u30ce\u30a4\u30ba\u3092\u9664\u53bb<\/strong>\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308c\u3070\u4fbf\u5229\u3067\u3059\u3002<\/p>\n

2021\u5e749\u67089\u65e5\u3001\u7c73\uff09MIT\u306f\u3001\u3042\u3089\u3086\u308b\u7a2e\u985e\u306e\u30c7\u30fc\u30bf\u8aa4\u308a\u691c\u51fa\u3057\u8a02\u6b63\u3059\u308bGuessing Random Additive Noise Decoding (GRAND)\u63a1\u7528\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30c7\u30b3\u30fc\u30c0\u3092\u958b\u767a<\/a>\u3057\u307e\u3057\u305f\u3002128\u30d3\u30c3\u30c8\u307e\u3067\u306e\u30b3\u30fc\u30c9\u3092\u7d041u\u79d2\u3067\u30c7\u30b3\u30fc\u30c9\u3067\u304d\u3001\u9ad8\u901f\u901a\u4fe1\u898f\u683c5G\u3084IoT\u5206\u91ce\u3067\u306e\u5229\u7528\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u307e\u3068\u3081\uff1aIoT MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a33Tips<\/h2>\n
    \n
  1. \u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u524d\u63d0\u306eIoT MCU\u306b\u306f\u3001\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u304b\u3089\u5185\u8535\u91cd\u8981\u60c5\u5831\u3092\u5b88\u308b\u30bb\u30ad\u30a3\u30ea\u30c6\u30a3\u5fc5\u9808<\/li>\n
  2. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u5bfe\u51e6\u7642\u6cd5\u306a\u306e\u3067\u6a5f\u80fd\u8ffd\u52a0\u66f4\u65b0OTA\u5fc5\u9808<\/li>\n
  3. \u3088\u308a\u5f37\u56fa\u306b\u91cd\u8981\u60c5\u5831\u3092\u5b88\u308bTrustZone\u3001\u53d7\u4fe1\u30c7\u30fc\u30bf\u8aa4\u308a\u691c\u51fa\u8a02\u6b63GRAND\u30c7\u30b3\u30fc\u30c0\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u3001IoT MCU\u8981\u4ef6\u306b\u306a\u308b\u53ef\u80fd\u6027\u3042\u308a<\/li>\n<\/ol>\n

    IoT MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7528\u8a9e\u3001\u95a2\u9023\u6027\u3001\u5bfe\u7b56\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u3054\u7406\u89e3\u9802\u3051\u305f\u3068\u601d\u3044\u307e\u3059\u3002
    \n\u203bTrustZone\u306b\u4f3c\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u3001\u30eb\u30cd\u30b5\u30b9\uff1aTrusted Secure IP(TSIP)\u3001ST\u30de\u30a4\u30af\u30ed\uff1aSecure Memory\u306a\u3069\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u7d42\u308f\u308a\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3069\u306e\u7a0b\u5ea6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092IoT MCU\u3078\u5b9f\u88c5\u3059\u308c\u3070\u826f\u3044\u304b\u3092\u691c\u8a0e\u3059\u308b\u306b\u306f\u3001IoT\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u624b\u5f15\u66f8<\/a>\u3084Platform Security Architecture: PSA Certified<\/a>\u8a8d\u8a3c\u5236\u5ea6\u306a\u3069\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \u4f46\u3057\u3001IoT MCU\u958b\u767a\u8005\u306b\u89e3\u308a\u6613\u3044\u304b\u3068\u8a00\u3048\u3070\u3001\u6b63\u76f4\u7591\u554f\u3082\u611f\u3058\u307e\u3059\u3002\u305d\u3053\u3067\u3001IoT MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u3067\u3001\u6700\u4f4e\u9650<\/strong>\u958b\u767a\u8005\u304c\u62bc\u3055\u3048\u3066\u304a\u304f\u3079\u304d3\u9805\u76ee\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n

    \u7279\u306b\u9805\u76ee3\u306f\u3001\u521d\u3081\u304b\u3089IoT MCU\u306b\u5b9f\u88c5\u6e08\u307f\u3067\u306a\u3044\u3068\u5f8c\u4ed8\u3051\u3084OTA\u66f4\u65b0\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u4eca\u5f8c\u306e\u6b27\u7c73IoT\u898f\u683c\u3084\u7dcf\u52d9\u7701\u52d5\u5411\u306b\u3082\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n

    \u88dc\u8db3\uff1aIoT\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30b9\u30c8<\/h3>\n

    \u7b46\u8005\u5229\u7528\u30cd\u30c3\u30c8\u30ab\u30d5\u30a7PC\u306eWindows 11\u5bfe\u5fdc\u30c1\u30a7\u30c3\u30af\u7d50\u679c\u3092\u629c\u7c8b\u3057\u305f\u306e\u304c\u4e0b\u56f3\u3067\u3059\u30022PC\u306e\u307f\u629c\u7c8b\u3057\u307e\u3057\u305f\u304c\u3001\u4ed6PC\u3082\u540c\u69d8\u3067\u3001\u5168\u9805\u76eeOK\u306ePC\u306f\u7686\u7121\u3067\u3057\u305f\u3002\u5f0a\u793ePC<\/a>\u30823PC\u4e2d1\u53f0\u306e\u307f\u5168OK\u3067\u3059\u306e\u3067\u3001Windows 11\u7121\u511f\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u53ef\u80fdPC\u306f\u3001Windows 10 PC\u306e30%\u4ee5\u4e0b\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n

    \"\u30cd\u30c3\u30c8\u30ab\u30d5\u30a7\u306eWindows
    \u30cd\u30c3\u30c8\u30ab\u30d5\u30a7\u306eWindows 11\u5bfe\u5fdc\u30c1\u30a7\u30c3\u30af\u7d50\u679c<\/figcaption><\/figure>\n

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