{"id":21437,"date":"2026-03-18T13:44:14","date_gmt":"2026-03-18T13:44:14","guid":{"rendered":"https:\/\/plaxidityx.com\/?p=21437"},"modified":"2026-03-25T10:32:11","modified_gmt":"2026-03-25T10:32:11","slug":"software-mitigations-for-side-channel-analysis-attacks-in-the-automotive-domain","status":"publish","type":"post","link":"https:\/\/plaxidityx.com\/ja\/blog\/blog-ja\/software-mitigations-for-side-channel-analysis-attacks-in-the-automotive-domain\/","title":{"rendered":"\u8eca\u8f09ECU\u3092\u5b88\u308b\uff1a\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u653b\u6483\u306b\u5bfe\u3059\u308b\u5b9f\u8df5\u7684\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5bfe\u7b56"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u89e3\u6790\uff08SCA\uff09\u653b\u6483\u3068\u306f\u3001ROM\u306e\u8aad\u307f\u53d6\u308a\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306a\u3069\u306e\u76f4\u63a5\u7684\u306a\u89e3\u6790\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001\u6697\u53f7\u51e6\u7406\u306e\u5b9f\u884c\u4e2d\u306b\u767a\u751f\u3059\u308b\u96fb\u529b\u6d88\u8cbb\u306a\u3069\u306e\u7269\u7406\u7684\u30fb\u526f\u6b21\u7684\u306a\u4fe1\u53f7\u3092\u89b3\u6e2c\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u52d5\u8eca\u306eECU\u306b\u683c\u7d0d\u3055\u308c\u305f\u6697\u53f7\u9375\u306a\u3069\u306e\u6a5f\u5bc6\u60c5\u5831\u3092\u62bd\u51fa\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002\u3059\u3067\u306b\u8eca\u4e21\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5bfe\u3059\u308bSCA\u653b\u6483\u306f\u5b9f\u8a3c\u3055\u308c\u3066\u304a\u308a\u3001\u73fe\u5b9f\u7684\u306a\u8105\u5a01\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3067\u3001\u73fe\u5728\u5e02\u5834\u306b\u51fa\u56de\u3063\u3066\u3044\u308b\u591a\u304f\u306eECU\u306f\u3001\u3053\u3046\u3057\u305f\u653b\u6483\u306b\u5bfe\u3057\u3066\u5341\u5206\u306a\u5bfe\u7b56\u304c\u65bd\u3055\u308c\u3066\u3044\u306a\u3044\u30b1\u30fc\u30b9\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u80cc\u666f\u306b\u306f\u3001\u8eca\u8f09ECU\u7279\u6709\u306e\u9577\u3044\u958b\u767a\u30b5\u30a4\u30af\u30eb\u3084\u3001\u8a2d\u8a08\u78ba\u5b9a\u5f8c\u306b\u65b0\u305f\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306e\u96e3\u3057\u3055\u304c\u3042\u308a\u307e\u3059\u3002\u7406\u60f3\u7684\u306b\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30ec\u30d9\u30eb\u3067\u306e\u5bfe\u7b56\u304c\u671b\u307e\u3057\u3044\u3082\u306e\u306e\u3001\u65e2\u5b58\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u5f8c\u4ed8\u3051\u3067\u9069\u7528\u3059\u308b\u3053\u3068\u306f\u73fe\u5b9f\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u65e2\u5b58ECU\u306b\u5bfe\u3057\u3066\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u308b\u5bfe\u7b56\u304c\u91cd\u8981\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u6697\u53f7\u51e6\u7406\u306e\u5b9f\u884c\u56de\u6570\u3092\u5236\u9650\u3059\u308b\u3001\u51e6\u7406\u306b\u30e9\u30f3\u30c0\u30e0\u6027\u3092\u5c0e\u5165\u3057\u3066\u30d1\u30bf\u30fc\u30f3\u3092\u4e0d\u660e\u77ad\u306b\u3059\u308b\u3001\u3042\u308b\u3044\u306f\u30de\u30b9\u30ad\u30f3\u30b0\u6280\u8853\u3092\u6d3b\u7528\u3059\u308b\u3068\u3044\u3063\u305f\u624b\u6cd5\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u5bfe\u7b56\u3092\u5c0e\u5165\u3059\u308b\u969b\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u8eca\u8f09\u306e\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u306fCPU\u3084\u30e1\u30e2\u30ea\u306b\u53b3\u3057\u3044\u5236\u7d04\u304c\u3042\u308b\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u3068\u30b7\u30b9\u30c6\u30e0\u6027\u80fd\u3068\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u614e\u91cd\u306b\u898b\u6975\u3081\u308b\u3053\u3068\u304c\u3001\u81ea\u52d5\u8eca\u30e1\u30fc\u30ab\u30fc\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"> <strong>\u306f\u3058\u3081\u306b<\/strong><\/h2>\n\n\n\n<p>\u73fe\u4ee3\u306e\u8eca\u4e21\u306f\u3001\u7d44\u307f\u8fbc\u307f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5b9f\u884c\u3059\u308b\u8907\u6570\u306eECU\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3088\u3063\u3066\u3001\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u8eca\u4e21\u306e\u30b3\u30cd\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u9032\u5c55\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u304c\u307e\u3059\u307e\u3059\u9ad8\u307e\u308b\u4e2d\u3067\u3001\u6697\u53f7\u6280\u8853\u306e\u6d3b\u7528\u306f\u6025\u901f\u306b\u5e83\u304c\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u305d\u306e\u3082\u306e\u306e\u5f37\u5ea6\u3060\u3051\u3067\u306a\u304f\u3001\u6697\u53f7\u306e\u5b9f\u88c5\u65b9\u6cd5\u3068\u3044\u3046\u70b9\u3082\u3001\u540c\u7b49\u306b\u91cd\u8981\u306a\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u89e3\u6790\uff08SCA\uff09\u306f\u3001\u6697\u53f7\u51e6\u7406\u306e\u5b9f\u884c\u4e2d\u306b\u751f\u3058\u308b\u96fb\u529b\u6d88\u8cbb\u3084\u96fb\u78c1\u653e\u5c04\u3068\u3044\u3063\u305f\u7269\u7406\u7684\u306a\u526f\u6b21\u60c5\u5831\u304b\u3089\u3001\u610f\u56f3\u305b\u305a\u6f0f\u3048\u3044\u3059\u308b\u6a5f\u5bc6\u60c5\u5831\u3092\u5229\u7528\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u4e00\u7a2e\u3067\u3059\u3002\u5f93\u6765\u306e\u3088\u3046\u306b\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u6570\u5b66\u7684\u306b\u89e3\u8aad\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5b9f\u88c5\u4e0a\u306e\u6319\u52d5\u3092\u7a81\u304f\u3053\u3068\u3067\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3068\u3044\u3046\u70b9\u304c\u3053\u306e\u653b\u6483\u306e\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u89e3\u6790\uff08<\/strong><strong>SCA<\/strong><strong>\uff09\u3068\u306f\u4f55\u304b<\/strong><\/h2>\n\n\n\n<p>\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3059\u308b\u7269\u7406\u653b\u6483\u306e\u6587\u8108\u306b\u304a\u3044\u3066\u3001\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u89e3\u6790\uff08SCA\uff09\u653b\u6483\u3068\u306f\u3001\u7d44\u307f\u8fbc\u307f\u30d7\u30ed\u30bb\u30c3\u30b5\u5185\u90e8\u3067\u306e\u51e6\u7406\u306e\u5b9f\u884c\u72b6\u6cc1\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u60aa\u7528\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u6697\u53f7\u51e6\u7406\u306e\u5b9f\u884c\u4e2d\u306b\u30c1\u30c3\u30d7\u306e\u96fb\u6e90\u30e9\u30a4\u30f3\u3084\u96fb\u78c1\u653e\u5c04\u306a\u3069\u306e\u5916\u90e8\u306b\u6f0f\u308c\u51fa\u308b\u60c5\u5831\u3092\u89b3\u6e2c\u3057\u3001\u305d\u3053\u304b\u3089\u6697\u53f7\u9375\u306a\u3069\u306e\u6a5f\u5bc6\u60c5\u5831\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3067\u306f\u3001SCA\u653b\u6483\u304c\u3069\u306e\u3088\u3046\u306b\u884c\u308f\u308c\u308b\u306e\u304b\u3001\u5177\u4f53\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3042\u308b\u30d7\u30ed\u30bb\u30c3\u30b5\u304c\u3001\u79d8\u5bc6\u9375\u3092\u7528\u3044\u3066\u6697\u53f7\u51e6\u7406\u3092\u5b9f\u884c\u3067\u304d\u308b\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u653b\u6483\u8005\u306f\u3001\u6697\u53f7\u51e6\u7406\u306e\u5b9f\u884c\u4e2d\u306b\u767a\u751f\u3059\u308b\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\uff08\u4f8b\u3048\u3070\u96fb\u529b\u6d88\u8cbb\uff09\u3092\u8a08\u6e2c\u3059\u308b\u305f\u3081\u306e\u88c5\u7f6e\u3092\u7528\u610f\u3057\u307e\u3059\u3002\u540c\u6642\u306b\u3001\u653b\u6483\u8005\u306f\u6697\u53f7\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3055\u305b\u308b\u624b\u6bb5\u3082\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u591a\u304f\u306eSCA\u653b\u6483\u3067\u306f\u3001\u540c\u4e00\u306e\u51e6\u7406\u3092\u4f55\u5ea6\u3082\u8a08\u6e2c\u3059\u308b\u3053\u3068\u3067\u3001\u9375\u60c5\u5831\u3092\u7d71\u8a08\u7684\u306b\u62bd\u51fa\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u653b\u6483\u74b0\u5883\u3067\u306f\u3001\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u306a\u3069\u306e\u8a08\u6e2c\u6a5f\u5668\u3092\u7528\u3044\u3066\u3001\u6697\u53f7\u51e6\u7406\u4e2d\u306e\u96fb\u529b\u6d88\u8cbb\u306e\u5909\u5316\uff08\u30c8\u30ec\u30fc\u30b9\uff09\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001CAN\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u4fe1\u306a\u3069\u3092\u901a\u3058\u3066\u3001\u5bfe\u8c61\u3068\u306a\u308b\u6697\u53f7\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u30c8\u30ea\u30ac\u30fc\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6570\u5343\u56de\u304b\u3089\u6570\u767e\u4e07\u56de\u306b\u308f\u305f\u3063\u3066\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u89e3\u6790\u306b\u5341\u5206\u306a\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u3001\u6700\u7d42\u7684\u306b\u6a5f\u5bc6\u60c5\u5831\u306e\u5fa9\u5143\u3092\u8a66\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"998\" height=\"552\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2026\/03\/image-1.png\" alt=\"\" class=\"wp-image-21288\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2026\/03\/image-1.png 998w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2026\/03\/image-1-300x166.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2026\/03\/image-1-768x425.png 768w\" sizes=\"(max-width: 998px) 100vw, 998px\" \/><\/figure>\n\n\n\n<p>\u53ce\u96c6\u3057\u305f\u30c8\u30ec\u30fc\u30b9\u30c7\u30fc\u30bf\u306f\u3001\u305d\u306e\u5f8c\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u7d71\u8a08\u7684\u624b\u6cd5\u3092\u7528\u3044\u3066\u89e3\u6790\u3055\u308c\u3001\u9375\u306b\u4f9d\u5b58\u3059\u308b\u60c5\u5831\u306e\u62bd\u51fa\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>SCA<\/strong><strong>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u7a2e\u985e\u3068\u4ed5\u7d44\u307f<\/strong><\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u306fSCA\u306e\u96fb\u529b\u89e3\u6790\u3092\u7528\u3044\u305f\u653b\u6483\u624b\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u96fb\u529b\u89e3\u6790\u3092\u7528\u3044\u305fSCA\u306b\u306f\u3001\u8907\u6570\u306e\u4ee3\u8868\u7684\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3044\u308f\u3086\u308b\u30af\u30e9\u30b7\u30c3\u30af\u306a\u624b\u6cd5\u3068\u3057\u3066\u306f\u3001Simple Power Analysis\uff08SPA\uff1a\u5358\u7d14\u96fb\u529b\u89e3\u6790\uff09\u3001Differential Power Analysis\uff08DPA\uff1a\u5dee\u5206\u96fb\u529b\u89e3\u6790\uff09\u3001Correlation Power Analysis\uff08CPA\uff1a\u76f8\u95a2\u96fb\u529b\u89e3\u6790\uff09\u304c\u5e83\u304f\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001Mutual Information Analysis\uff08MIA\uff1a\u76f8\u4e92\u60c5\u5831\u89e3\u6790\uff09\u3084\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u3092\u6d3b\u7528\u3057\u305fDL-SCA\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u653b\u6483\u306a\u3069\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u624b\u6cd5\u3082\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u4f8b\u3048\u3070\u3001AES\uff08Advanced Encryption Standard\uff1a\u5171\u901a\u9375\u6697\u53f7\u65b9\u5f0f\uff09\u306b\u5bfe\u3059\u308bDPA\u653b\u6483\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u9375\u306e\u5019\u88dc\u3054\u3068\u306bAES\u306eSubBytes\u51e6\u7406\u306e\u51fa\u529b\u306b\u95a2\u3059\u308b\u7279\u5b9a\u306e\u6027\u8cea\uff08\u4f8b\u3048\u3070\u3001\u7279\u5b9a\u30d3\u30c3\u30c8\u304c0\u304b1\u304b\uff09\u3092\u4e88\u6e2c\u3057\u3001\u305d\u308c\u306b\u57fa\u3065\u3044\u3066\u96fb\u529b\u30c8\u30ec\u30fc\u30b9\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u3053\u308c\u30892\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306e\u5e73\u5747\u30c8\u30ec\u30fc\u30b9\u3092\u6bd4\u8f03\u3057\u3001\u5dee\u5206\u3092\u8a08\u7b97\u3059\u308b\u3068\u3001\u6b63\u3057\u3044\u9375\u5019\u88dc\u306e\u5834\u5408\u306b\u306f\u7279\u5fb4\u7684\u306a\u30d4\u30fc\u30af\u304c\u73fe\u308c\u3001\u5bfe\u8c61\u3068\u306a\u308b\u9375\u30d3\u30c3\u30c8\u3092\u7279\u5b9a\u3059\u308b\u624b\u304c\u304b\u308a\u3068\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u8aa4\u3063\u305f\u9375\u5019\u88dc\u3067\u306f\u3001\u3053\u306e\u5dee\u5206\u306f\u7406\u60f3\u7684\u306b\u306f\u5e73\u5766\u306a\u7d50\u679c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3088\u3063\u3066\u306f\u3001\u9375\u3068\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u30c7\u30fc\u30bf\u3068\u306e\u9593\u306e\u76f8\u4e92\u60c5\u5831\u91cf\u306a\u3069\u3001\u7570\u306a\u308b\u7d71\u8a08\u7684\u6307\u6a19\u3092\u7528\u3044\u3066\u89e3\u6790\u3092\u884c\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u653b\u6483\u6210\u529f\u306b\u5fc5\u8981\u306a\u30c8\u30ec\u30fc\u30b9\u6570\u306b\u306f\u3070\u3089\u3064\u304d\u304c\u3042\u308a\u3001\u6bd4\u8f03\u7684\u5358\u7d14\u306a\u624b\u6cd5\u3067\u306f\u3001\u5bfe\u8c61\u306b\u3088\u3063\u3066\u306f\u3069\u308c\u3060\u3051\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u3066\u3082\u5341\u5206\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u3046\u3057\u3066\u6697\u53f7\u9375\u304c\u62bd\u51fa\u3055\u308c\u308b\u3068\u3001\u305d\u306e\u5f8c\u306e\u653b\u6483\u306b\u60aa\u7528\u3055\u308c\u308b\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001ECU\u306e\u8a3a\u65ad\u6a5f\u80fd\u3078\u306e\u7279\u6a29\u30a2\u30af\u30bb\u30b9\u3092\u53d6\u5f97\u3057\u3066\u30b3\u30fc\u30c9\u5b9f\u884c\u3092\u884c\u3063\u305f\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u306a\u308a\u3059\u307e\u3057\u3001\u3042\u308b\u3044\u306f\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5236\u5fa1\u306e\u56de\u907f\u3068\u3044\u3063\u305f\u30b7\u30ca\u30ea\u30aa\u306b\u3064\u306a\u304c\u308b\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u3069\u306e\u3088\u3046\u306a\u653b\u6483\u304c\u6210\u7acb\u3059\u308b\u304b\u306f\u3001\u53d6\u5f97\u3055\u308c\u305f\u79d8\u5bc6\u9375\u306e\u7528\u9014\u3084\u5bfe\u8c61\u30b7\u30b9\u30c6\u30e0\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>\u81ea\u52d5\u8eca\u5206\u91ce\u306b\u304a\u3051\u308b<\/strong><strong>SCA<\/strong><strong>\u306e\u8105\u5a01<\/strong><\/h2>\n\n\n\n<p>SCA\u653b\u6483\u306f\u3001\u3059\u3067\u306b\u3055\u307e\u3056\u307e\u306a\u8eca\u8f09ECU\u306b\u5bfe\u3057\u3066\u5b9f\u884c\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u5b9f\u8a3c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<a href=\"https:\/\/tches.iacr.org\/index.php\/TCHES\/article\/view\/8546\/8111\"><u>\u30a4\u30e2\u30d3\u30e9\u30a4\u30b6\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u7121\u52b9\u5316<\/u><\/a>\u3001<a href=\"https:\/\/www.langer-emv.de\/fileadmin\/2008_On%20the%20Power%20of%20Power%20Analysis%20in%20theReal%20World%20A%20Complete%20Break%20of%20theKeeLoqCode%20Hopping%20Scheme.pdf\"><u>\u30ad\u30fc\u30d5\u30a9\u30d6\uff08\u30b9\u30de\u30fc\u30c8\u30ad\u30fc\uff09\u306e\u8a8d\u8a3c\u65b9\u5f0f\u306e\u89e3\u8aad<\/u><\/a>\u3001\u3055\u3089\u306b\u306f<a href=\"https:\/\/gregdeon.com\/files\/oflynn-2018-SAE-secure_can_attacks.pdf\"><u>CAN<\/u><u>\u901a\u4fe1\u306e\u8a8d\u8a3c\u9375\u306e\u62bd\u51fa<\/u><\/a>\u306a\u3069\u306bSCA\u304c\u5229\u7528\u3067\u304d\u308b\u3053\u3068\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3067\u3001SCA\u653b\u6483\u306b\u5bfe\u3057\u3066\u6709\u52b9\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30d9\u30fc\u30b9\u306e\u5bfe\u7b56\u6280\u8853\u306f\u5b58\u5728\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u73fe\u5728\u5e02\u5834\u306b\u51fa\u56de\u3063\u3066\u3044\u308b\u591a\u304f\u306e\u8eca\u8f09ECU\u3067\u306f\u3001\u3053\u306e\u8105\u5a01\u306b\u5bfe\u3059\u308b\u5341\u5206\u306a\u9632\u5fa1\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u304c\u5b9f\u60c5\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u80cc\u666f\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u8981\u56e0\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ECU\u306e\u8a2d\u8a08\u306f\u5e02\u5834\u6295\u5165\u306e\u6570\u5e74\u524d\u304b\u3089\u59cb\u307e\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3042\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u5f53\u6642\u306e\u300c\u4e00\u4e16\u4ee3\u524d\u300d\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3084\u8a2d\u8a08\u306b\u57fa\u3065\u3044\u3066\u958b\u767a\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u3067\u306f\u6700\u65b0\u306e\u8105\u5a01\u306b\u5bfe\u3057\u3066\u8ffd\u3044\u3064\u3044\u3066\u3044\u306a\u3044\u30b1\u30fc\u30b9\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u65e2\u5b58\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u5f8c\u4ed8\u3051\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u306f\u5bb9\u6613\u3067\u306f\u306a\u304f\u3001\u3068\u308a\u308f\u3051\u65b0\u305f\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u8ffd\u52a0\u3092\u4f34\u3046\u5834\u5408\u3001\u305d\u306e\u96e3\u6613\u5ea6\u306f\u3055\u3089\u306b\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>ISO\/SAE 21434\u306b\u57fa\u3065\u304f\u30ea\u30b9\u30af\u30a2\u30bb\u30b9\u30e1\u30f3\u30c8\u3092\u5b9f\u65bd\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001SCA\u653b\u6483\u306e\u5f71\u97ff\u7bc4\u56f2\u3084\u5b9f\u884c\u306e\u5bb9\u6613\u3055\u304c\u5341\u5206\u306b\u8a55\u4fa1\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u3053\u306e\u9818\u57df\u306b\u304a\u3051\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u304c\u4e0d\u5341\u5206\u307e\u305f\u306f\u6b20\u5982\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3082\u898b\u53d7\u3051\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u7279\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306aECU\u306f\u3001SCA\u8010\u6027\u3092\u5099\u3048\u308b\u3053\u3068\u304c\u5f37\u304f\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30dc\u30c7\u30a3\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\uff08<\/strong><strong>BCM<\/strong><strong>\uff09\uff0f\u30a4\u30e2\u30d3\u30e9\u30a4\u30b6\u30fc<\/strong> \u8eca\u4e21\u76d7\u96e3\u9632\u6b62\u306b\u76f4\u7d50\u3059\u308b\u9375\u60c5\u5831\u3092\u76f4\u63a5\u4fdd\u6301\u3059\u308b\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002<br><br><\/li>\n\n\n\n<li><strong>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong><strong>ECU<br><\/strong> CAN\u3084Ethernet\u306a\u3069\u3001\u7570\u306a\u308b\u8eca\u4e21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u901a\u4fe1\u3092\u4ef2\u4ecb\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u8a8d\u8a3c\u3084\u6697\u53f7\u5316\u306b\u4f7f\u7528\u3055\u308c\u308b\u91cd\u8981\u306a\u9375\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002<br><br><\/li>\n\n\n\n<li><strong>\u30c6\u30ec\u30de\u30c6\u30a3\u30af\u30b9\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30e6\u30cb\u30c3\u30c8\uff08<\/strong><strong>TCU<\/strong><strong>\uff09<\/strong> OTA\u3084\u30bb\u30eb\u30e9\u30fc\u901a\u4fe1\u306a\u3069\u5916\u90e8\u63a5\u7d9a\u3092\u62c5\u3046\u30e6\u30cb\u30c3\u30c8\u3067\u3042\u308a\u3001\u30ea\u30e2\u30fc\u30c8\u653b\u6483\u306e\u8d77\u70b9\u3068\u306a\u308a\u3084\u3059\u3044\u9818\u57df\u3067\u3059\u3002\u5b89\u5168\u306a\u901a\u4fe1\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u66f4\u65b0\u306b\u5fc5\u8981\u306a\u9375\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u308b<\/strong><strong>SCA<\/strong><strong>\u5bfe\u7b56<\/strong><\/h2>\n\n\n\n<p>\u3059\u3067\u306b\u5e02\u5834\u306b\u51fa\u3066\u3044\u308b\u3001\u3042\u308b\u3044\u306f\u4e3b\u8981\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\uff0f\u8a2d\u8a08\u304c\u5b8c\u4e86\u3057\u3066\u3044\u308bECU\u306b\u304a\u3044\u3066\u3001AES\u6697\u53f7\u51e6\u7406\u306b\u5bfe\u3059\u308bSCA\u5bfe\u7b56\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u3088\u3046\u306aECU\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u66f4\u65b0\u3059\u308b\u624b\u6bb5\u306f\u5099\u3048\u3066\u3044\u308b\u3082\u306e\u306e\u3001SCA\u8010\u6027\u3092\u6301\u3064\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3078\u306e\u5909\u66f4\u306f\u73fe\u5b9f\u7684\u3067\u306f\u306a\u3044\u5834\u5408\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3067\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30ec\u30d9\u30eb\u3067\u3069\u306e\u3088\u3046\u306a\u5bfe\u7b56\u304c\u53ef\u80fd\u3067\u3057\u3087\u3046\u304b<\/strong>\u3002\u7279\u306b\u96fb\u529b\u89e3\u6790\u306e\u3088\u3046\u306aSCA\u653b\u6483\u306b\u5bfe\u3057\u3066\u306f\u3001\u3044\u304f\u3064\u304b\u6709\u52b9\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d9\u30fc\u30b9\u306e\u5bfe\u7b56\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u3066\u4ee5\u4e0b\u306e\u6226\u7565\u306b\u6574\u7406\u3067\u304d\u307e\u3059\u3002SCA\u653b\u6483\u306f\u300c\u9375\u306b\u95a2\u9023\u3059\u308b\u60c5\u5831\u304c\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u306b\u6f0f\u3048\u3044\u3059\u308b\u300d\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u305d\u306e\u524d\u63d0\u3092\u5d29\u3059\u3053\u3068\u304c\u5bfe\u7b56\u306e\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53d6\u5f97\u5236\u9650\uff08<\/strong><strong>Acquisition Limiting<\/strong><strong>\uff09<\/strong>\u653b\u6483\u8005\u304c\u5341\u5206\u306a\u6570\u306e\u30c8\u30ec\u30fc\u30b9\u3092\u53ce\u96c6\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u5236\u5fa1\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u6697\u53f7\u51e6\u7406\u306e\u5b9f\u884c\u56de\u6570\u306b\u5236\u9650\u3092\u8a2d\u3051\u308b\u3053\u3068\u3067\u3001\u7d71\u8a08\u89e3\u6790\u306b\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u91cf\u306e\u78ba\u4fdd\u3092\u56f0\u96e3\u306b\u3057\u307e\u3059\u3002<br><br><\/li>\n\n\n\n<li><strong>\u30cf\u30a4\u30c7\u30a3\u30f3\u30b0\uff08<\/strong><strong>Hiding<\/strong><strong>\uff09<\/strong>\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u306b\u73fe\u308c\u308b\u4fe1\u53f7\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u4e0d\u660e\u77ad\u306b\u3057\u3001\u89e3\u6790\u3092\u56f0\u96e3\u306b\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u51e6\u7406\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u30e9\u30f3\u30c0\u30e0\u5316\u3059\u308b\u306a\u3069\u3057\u3066\u3001SNR\uff08Signal-to-Noise Ratio\uff1a\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4\uff09\u306e\u4f4e\u4e0b\u3084\u540c\u671f\u305a\u308c\u3092\u8d77\u3053\u3057\u3066\u3001\u9375\u60c5\u5831\u3068\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u306e\u76f8\u95a2\u3092\u4f4e\u6e1b\u3055\u305b\u307e\u3059\u3002<br><br><\/li>\n\n\n\n<li><strong>\u30de\u30b9\u30ad\u30f3\u30b0\uff08<\/strong><strong>Masking<\/strong><strong>\uff09<\/strong>\u6697\u53f7\u51e6\u7406\u4e2d\u306b\u6271\u3046\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u30e9\u30f3\u30c0\u30e0\u5316\u3057\u3001\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u304b\u3089\u89b3\u6e2c\u3055\u308c\u308b\u60c5\u5831\u3068\u9375\u3068\u306e\u7d71\u8a08\u7684\u306a\u4f9d\u5b58\u95a2\u4fc2\u3092\u65ad\u3061\u5207\u308b\u624b\u6cd5\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4eee\u306b\u60c5\u5831\u304c\u6f0f\u3048\u3044\u3057\u305f\u3068\u3057\u3066\u3082\u3001\u9375\u305d\u306e\u3082\u306e\u3092\u63a8\u5b9a\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<br><br><br><\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u624b\u6cd5\u306f\u5358\u72ec\u3067\u3082\u4e00\u5b9a\u306e\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u8907\u6570\u306e\u5bfe\u7b56\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u3044\u8010\u6027\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>\u53d6\u5f97\u5236\u9650<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u5bfe\u7b56<\/td><td>\u4ed5\u7d44\u307f<\/td><td>\u5b9f\u88c5\u30b3\u30b9\u30c8 (CPU\/RAM)<\/td><td>\u52b9\u679c<\/td><\/tr><tr><td>\u30ec\u30fc\u30c8\u5236\u9650<\/td><td>\u653b\u6483\u8005\u304c\u4e00\u5b9a\u6642\u9593\u5185\u306b\u53d6\u5f97\u3067\u304d\u308b\u96fb\u529b\u30c8\u30ec\u30fc\u30b9\u306e\u6570\u3092\u5236\u9650\u3059\u308b<\/td><td>CPU\uff0fRAM\uff0fROM\u3078\u306e\u5f71\u97ff\u306f\u3054\u304f\u5c0f\u3055\u304f\u3001\u6bd4\u8f03\u7684\u8efd\u5fae\u306a\u30b3\u30fc\u30c9\u4fee\u6b63\u3067\u5b9f\u88c5\u53ef\u80fd<\/td><td>1\u56de\u306e\u30c8\u30ea\u30c3\u30d7\u3067\u6697\u53f7\u5316\u51e6\u7406\u304c\u5c11\u306a\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9650\u5b9a\u7684\u306b\u9069\u7528\u3067\u304d\u308b\u3002\u9069\u7528\u53ef\u80fd\u306a\u5834\u5408\u306b\u306f\u975e\u5e38\u306b\u52b9\u679c\u7684\u3002\u7279\u306bDPA\u3084CPA\u3068\u3044\u3063\u305f\u653b\u6483\u306f\u5927\u91cf\u306e\u30c8\u30ec\u30fc\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u305f\u3081\u3001\u305d\u306e\u524d\u63d0\u3092\u5d29\u3059\u3053\u3068\u3067\u9ad8\u3044\u9632\u5fa1\u52b9\u679c\u304c\u671f\u5f85\u3067\u304d\u308b<\/td><\/tr><tr><td>\u30ea\u30ad\u30fc\u30a4\u30f3\u30b0\uff0f\u30bb\u30c3\u30b7\u30e7\u30f3\u9375<\/td><td>\u30bb\u30c3\u30b7\u30e7\u30f3\u3054\u3068\u3001\u4e00\u5b9a\u6642\u9593\u3054\u3068\u3001\u3042\u308b\u3044\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u3054\u3068\u306b\u65b0\u3057\u3044\u9375\u3092\u751f\u6210\u30fb\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u30011\u3064\u306e\u9375\u306b\u5bfe\u3057\u3066\u53ce\u96c6\u3067\u304d\u308b\u30c8\u30ec\u30fc\u30b9\u6570\u3092\u5236\u9650\u3059\u308b<\/td><td>CPU\u8ca0\u8377\u306f\u4e00\u5b9a\u7a0b\u5ea6\u5897\u52a0\u3057\u307e\u3059\u304c\u3001RAM\uff0fROM\u3078\u306e\u5f71\u97ff\u306f\u6bd4\u8f03\u7684\u5c0f\u3055\u304f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u5074\u3067\u306e\u5bfe\u5fdc\u304c\u524d\u63d0<\/td><td>\u3059\u3079\u3066\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u9069\u7528\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u304c\u3001\u9069\u7528\u53ef\u80fd\u306a\u5834\u5408\u306b\u306f\u975e\u5e38\u306b\u6709\u52b9\u3002DPA\u3084CPA\u306f\u540c\u4e00\u9375\u306b\u5bfe\u3059\u308b\u5927\u91cf\u306e\u30c8\u30ec\u30fc\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u305f\u3081\u3001\u9375\u3092\u983b\u7e41\u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u3067\u653b\u6483\u306e\u96e3\u6613\u5ea6\u3092\u5927\u5e45\u306b\u5f15\u304d\u4e0a\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>\u30cf\u30a4\u30c7\u30a3\u30f3\u30b0<\/strong><\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5b9f\u88c5\u53ef\u80fd\u306a\u4ee3\u8868\u7684\u306a\u30cf\u30a4\u30c7\u30a3\u30f3\u30b0\u5bfe\u7b56\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u5bfe\u7b56<\/td><td>\u4ed5\u7d44\u307f<\/td><td>\u5b9f\u88c5\u30b3\u30b9\u30c8 (CPU\/RAM)<\/td><td>\u52b9\u679c<\/td><\/tr><tr><td>\u547d\u4ee4\u30b7\u30e3\u30c3\u30d5\u30ea\u30f3\u30b0<\/td><td>\u6697\u53f7\u51e6\u7406\u5185\u306e\u72ec\u7acb\u3057\u305f\u547d\u4ee4\u306e\u5b9f\u884c\u9806\u5e8f\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u5165\u308c\u66ff\u3048\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u4f9d\u5b58\u306e\u51e6\u7406\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u5909\u52d5\u3055\u305b\u308b<\/td><td>\u30e9\u30f3\u30c0\u30e0\u5316\u306e\u305f\u3081\u306e\u30ed\u30b8\u30c3\u30af\u304c\u5fc5\u8981\u3068\u306a\u308b\u305f\u3081CPU\u8ca0\u8377\u306f\u5897\u52a0\u3059\u308b\u304c\u3001RAM\uff0fROM\u3078\u306e\u5f71\u97ff\u306f\u6700\u5c0f\u9650<\/td><td>\u51e6\u7406\u306e\u6642\u9593\u7684\u306a\u4f4d\u7f6e\u304c\u4e0d\u5b9a\u306b\u306a\u308b\u305f\u3081\u3001\u6b63\u78ba\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u540c\u671f\u306b\u4f9d\u5b58\u3059\u308bSPA\u3084DPA\uff0fCPA\u3068\u3044\u3063\u305f\u653b\u6483\u306b\u5bfe\u3057\u3066\u9ad8\u3044\u52b9\u679c\u3092\u767a\u63ee\u3002\u306a\u304a\u3001\u5b9f\u88c5\u306b\u306f\u4e71\u6570\u751f\u6210\u5668\uff08RNG\uff09\u304c\u5fc5\u8981<\/td><\/tr><tr><td>\u30c0\u30df\u30fc\u51e6\u7406\uff0f\u30e9\u30f3\u30c0\u30e0\u9045\u5ef6<\/td><td>\u30c7\u30fc\u30bf\u306b\u4f9d\u5b58\u3057\u306a\u3044\u30c0\u30df\u30fc\u51e6\u7406\uff08\u4f8b\uff1a\u4e0d\u8981\u306a\u8aad\u307f\u66f8\u304d\u3001No Operation\u547d\u4ee4\u3001\u30a6\u30a7\u30a4\u30c8\u72b6\u614b\u306a\u3069\uff09\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u633f\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30c8\u30ec\u30fc\u30b9\u9593\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u305a\u308c\uff08\u975e\u540c\u671f\u5316\uff09\u3092\u5f15\u304d\u8d77\u3053\u3059<\/td><td>CPU\u3078\u306e\u5f71\u97ff\u306f\u8efd\u5fae\u3067\u3001RAM\uff0fROM\u306e\u8ffd\u52a0\u8ca0\u62c5\u3082\u6700\u5c0f\u9650<\/td><td>SPA\u306b\u5bfe\u3057\u3066\u6709\u52b9\u3067\u3042\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30c8\u30ec\u30fc\u30b9\u306e\u540c\u671f\u3092\u96e3\u3057\u304f\u3059\u308b\u3053\u3068\u3067DPA\uff0fCPA\u306e\u89e3\u6790\u7cbe\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3002\u305d\u306e\u7d50\u679c\u3001\u30ce\u30a4\u30ba\u304c\u5897\u52a0\u3057\u3001\u653b\u6483\u306b\u5fc5\u8981\u306a\u30c8\u30ec\u30fc\u30b9\u6570\u3092\u5927\u5e45\u306b\u5897\u3084\u3059\u52b9\u679c\u304c\u671f\u5f85\u3067\u304d\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>\u30e9\u30f3\u30c0\u30e0\u30de\u30b9\u30ad\u30f3\u30b0<\/strong><\/h2>\n\n\n\n<p>\u9375\u60c5\u5831\u304c\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u306b\u6f0f\u3048\u3044\u3059\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u306b\u306f\u3001\u6697\u53f7\u51e6\u7406\u306b\u304a\u3044\u3066\u9375\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3057\u306a\u3044\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e9\u30f3\u30c0\u30e0\u30de\u30b9\u30ad\u30f3\u30b0\u306f\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\uff08\u4f8b\u3048\u3070\u79d8\u5bc6\u9375\uff09\u3068\u7269\u7406\u7684\u306a\u6f0f\u3048\u3044\u3068\u306e\u76f4\u63a5\u7684\u306a\u95a2\u4fc2\u3092\u65ad\u3061\u5207\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u305f\u624b\u6cd5\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u9375\u306b\u4f9d\u5b58\u3059\u308b\u3059\u3079\u3066\u306e\u4e2d\u9593\u30c7\u30fc\u30bf\u3092\u30e9\u30f3\u30c0\u30e0\u5316\u3057\u3001\u305d\u308c\u3089\u3092\u8907\u6570\u306e\u8981\u7d20\u300c\u30b7\u30a7\u30a2\u300d\u306b\u5206\u5272\u3057\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u30b7\u30a7\u30a2\u5358\u4f53\u304b\u3089\u306f\u6a5f\u5bc6\u60c5\u5831\u3092\u63a8\u5b9a\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u5b89\u5168\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6697\u53f7\u51e6\u7406\u306f\u3001\u3053\u306e\u30de\u30b9\u30af\u3055\u308c\u305f\u30b7\u30a7\u30a2\u306e\u307f\u3092\u7528\u3044\u3066\u5b9f\u884c\u3055\u308c\u3001\u6700\u7d42\u7684\u306a\u51fa\u529b\u6bb5\u968e\u3067\u305d\u308c\u3089\u3092\u518d\u7d50\u5408\u3059\u308b\u3053\u3068\u3067\u3001\u672c\u6765\u306e\u6697\u53f7\u7d50\u679c\u3092\u5f97\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u304b\u3089\u89b3\u6e2c\u3055\u308c\u308b\u60c5\u5831\u3068\u5b9f\u969b\u306e\u9375\u3068\u306e\u76f8\u95a2\u3092\u5927\u5e45\u306b\u4f4e\u6e1b\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001AES\u306b\u5bfe\u3059\u308b\u4e00\u6b21\u30d6\u30fc\u30eb\u30de\u30b9\u30ad\u30f3\u30b0\u306e\u4e00\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"697\" height=\"600\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2026\/03\/image.png\" alt=\"\" class=\"wp-image-21285\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2026\/03\/image.png 697w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2026\/03\/image-300x258.png 300w\" sizes=\"(max-width: 697px) 100vw, 697px\" \/><\/figure>\n\n\n\n<p>\u524d\u8ff0\u306e\u901a\u308a\u3001\u6700\u3082\u57fa\u672c\u7684\u306a\u30de\u30b9\u30ad\u30f3\u30b0\u624b\u6cd5\uff08\u4e00\u6b21\u30de\u30b9\u30ad\u30f3\u30b0\uff09\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u624b\u9806\u3067\u5b9f\u88c5\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9375\u3068\u540c\u3058\u9577\u3055\u306e\u30e9\u30f3\u30c0\u30e0\u5024\uff08<strong>rand<\/strong>\uff09\u3092\u751f\u6210\u3059\u308b<\/li>\n\n\n\n<li>\u9375\u30922\u3064\u306e\u30b7\u30a7\u30a2\u306b\u5206\u5272\u3059\u308b\uff1a\n<ul class=\"wp-block-list\">\n<li>s1 = rand<\/li>\n\n\n\n<li>s2 = key XOR rand<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u3053\u308c\u3089\u306e\u30b7\u30a7\u30a2\u3092\u7528\u3044\u3066\u3001\u30de\u30b9\u30af\u3055\u308c\u305f\u72b6\u614b\u3067AES\u6f14\u7b97\u3092\u5b9f\u884c\u3057\u3001c1, c2 \u3092\u5f97\u308b<br>\uff08AES\u306f\u975e\u7dda\u5f62\u6f14\u7b97\u3092\u542b\u3080\u305f\u3081\u3001\u5185\u90e8\u51e6\u7406\u3067\u306f\u30b7\u30a7\u30a2\u540c\u58eb\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u8a08\u7b97\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\uff09<\/li>\n\n\n\n<li>\u6700\u5f8c\u306b\u30a2\u30f3\u30de\u30b9\u30ad\u30f3\u30b0\u3092\u884c\u3044\u3001\u30b7\u30a7\u30a2\u3092\u518d\u7d50\u5408\u3059\u308b\u3053\u3068\u3067\u3001\u901a\u5e38\u306eAES\u6697\u53f7\u7d50\u679c c \u3092\u5fa9\u5143\u3059\u308b<br><br><br><\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306fXOR\u6f14\u7b97\u3092\u7528\u3044\u305f\u30d6\u30fc\u30eb\u30de\u30b9\u30ad\u30f3\u30b0\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4ed6\u306b\u3082\u52a0\u7b97\u578b\u3001\u4e57\u7b97\u578b\u3001\u30a2\u30d5\u30a3\u30f3\u5909\u63db\u306a\u3069\u7570\u306a\u308b\u65b9\u5f0f\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u305e\u308c\u5b9f\u88c5\u306e\u8907\u96d1\u3055\u3084\u7279\u6027\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001\u4e00\u6b21\u30de\u30b9\u30ad\u30f3\u30b0\uff082\u30b7\u30a7\u30a2\uff09\u306b\u52a0\u3048\u3066\u3001\u3088\u308a\u591a\u304f\u306e\u30b7\u30a7\u30a2\u306b\u5206\u5272\u3059\u308b\u9ad8\u6b21\u30de\u30b9\u30ad\u30f3\u30b0\u3082\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002\u30b7\u30a7\u30a2\u6570\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u8010\u6027\u306f\u5411\u4e0a\u3057\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u653b\u6483\u3078\u306e\u5bfe\u7b56\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3067\u3001\u653b\u6483\u5074\u3082\u9ad8\u6b21\u653b\u6483\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u5404\u30b7\u30a7\u30a2\u306b\u5bfe\u3059\u308b\u30ea\u30fc\u30af\u60c5\u5831\u3092\u500b\u5225\u306b\u89e3\u6790\u3057\u3001\u305d\u308c\u3089\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u9375\u60c5\u5831\u3092\u5fa9\u5143\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u4e00\u822c\u7684\u306b\u306f\u3001\u300cn\u6b21\u30de\u30b9\u30ad\u30f3\u30b0\u306fn\u6b21\u653b\u6483\u306b\u5bfe\u3057\u3066\u6709\u52b9\u306a\u9632\u5fa1\u3068\u306a\u308b\u300d\u3068\u8003\u3048\u3089\u308c\u3066\u304a\u308a\u3001\u4f8b\u3048\u3070\u4e00\u6b21\u30de\u30b9\u30ad\u30f3\u30b0\u306f\u57fa\u672c\u7684\u306aSCA\u653b\u6483\uff08\u4e00\u6b21\u653b\u6483\uff09\u306b\u5bfe\u3057\u3066\u6709\u52b9\u306a\u5bfe\u7b56\u3067\u3059\u3002\u52a0\u3048\u3066\u3001\u9ad8\u6b21\u653b\u6483\u306f\u5b9f\u88c5\u96e3\u6613\u5ea6\u304c\u9ad8\u304f\u3001\u5fc5\u8981\u306a\u30c8\u30ec\u30fc\u30b9\u6570\u306e\u5897\u52a0\u3001\u30c8\u30ec\u30fc\u30b9\u3054\u3068\u306e\u8a18\u9332\u6642\u9593\u306e\u5897\u5927\u3001\u3088\u308a\u7cbe\u5bc6\u306a\u540c\u671f\u3001\u4f4e\u30ce\u30a4\u30ba\u74b0\u5883\u306e\u78ba\u4fdd\u306a\u3069\u3001\u591a\u304f\u306e\u5236\u7d04\u304c\u3042\u308b\u305f\u3081\u3001\u73fe\u5b9f\u7684\u306a\u653b\u6483\u306e\u30cf\u30fc\u30c9\u30eb\u306f\u5927\u304d\u304f\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\u3001\u3053\u306e\u3088\u3046\u306a\u5bfe\u7b56\u306b\u306f\u76f8\u5fdc\u306e\u30b3\u30b9\u30c8\u304c\u4f34\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u30012\u3064\u306e\u30b7\u30a7\u30a2\u3092\u7528\u3044\u305f\u30de\u30b9\u30afAES\u306e\u5b9f\u884c\u306f\u3001\u5b9f\u8cea\u7684\u306b2\u56de\u5206\u306eAES\u6f14\u7b97\u306b\u8fd1\u3044\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u6697\u53f7\u51e6\u7406\u3054\u3068\u306b\u65b0\u305f\u306a\u30e9\u30f3\u30c0\u30e0\u5024\u306e\u751f\u6210\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u4e2d\u9593\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306e\u8ffd\u52a0\u30ec\u30b8\u30b9\u30bf\u3084\u30e1\u30e2\u30ea\u3082\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u3067\u306f\u3001\u30de\u30b9\u30ad\u30f3\u30b0\u3092\u9069\u7528\u3057\u3066\u3044\u306a\u3044\u57fa\u672c\u7684\u306aAES\u5b9f\u88c5\u3068\u6bd4\u8f03\u3057\u306a\u304c\u3089\u3001\u5404\u7a2e\u30de\u30b9\u30ad\u30f3\u30b0\u624b\u6cd5\u306b\u304a\u3051\u308b\u30ea\u30bd\u30fc\u30b9\u8981\u4ef6\uff08CPU\u30b5\u30a4\u30af\u30eb\u3001RAM\u3001ROM\uff09\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u7dd1\u306f\u6709\u5229\uff08\u4f4e\u30b3\u30b9\u30c8\u307e\u305f\u306f\u9ad8\u8010\u6027\uff09\u3001\u8d64\u306f\u4e0d\u5229\uff08\u9ad8\u30b3\u30b9\u30c8\u307e\u305f\u306f\u4f4e\u8010\u6027\uff09\u9ec4\u8272\u306f\u305d\u306e\u4e2d\u9593\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n  <table class=\"has-fixed-layout\" style=\"border-collapse: collapse; width: 100%; font-family: sans-serif; font-size: 14px; border: 1px solid #ddd;\">\n    <tbody>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\"><\/td>\n        <td colspan=\"3\" style=\"border: 1px solid #ddd; padding: 10px; text-align: center; font-weight: bold; background-color: #f8f9fa;\">\u5fc5\u8981\u306a\u30ea\u30bd\u30fc\u30b9<\/td>\n        <td colspan=\"2\" style=\"border: 1px solid #ddd; padding: 10px; text-align: center; font-weight: bold; background-color: #f8f9fa;\">SCA\u653b\u6483\u6210\u7acb\u306e\u305f\u3081\u306b\u5fc5\u8981\u306a\u8981\u4ef6<\/td>\n      <\/tr>\n      <tr style=\"font-weight: bold; text-align: center;\">\n        <td style=\"border: 1px solid #ddd; padding: 10px;\"><\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">CPU \u30b5\u30a4\u30af\u30eb<br>(\u6982\u7b97\uff0f\u30d6\u30ed\u30c3\u30af\u3042\u305f\u308a)<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">RAM<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">ROM<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">\u653b\u6483\u6b21\u6570<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">\u30c8\u30ec\u30fc\u30b9\u6570<\/td>\n      <\/tr>\n      <tr>\n        <td style=\"background-color:#d9d9d9; border: 1px solid #ddd; padding: 10px;\"><strong>\u30de\u30b9\u30ad\u30f3\u30b0\u306a\u3057<br>\u57fa\u672c\u7684\u306aAES\u5b9f\u88c5\uff08\u975e\u5bfe\u7b56\u72b6\u614b\uff09<\/strong><\/td>\n        <td style=\"background-color:#d9d9d9; border: 1px solid #ddd; padding: 10px;\">~1.6k\u20132k<\/td>\n        <td style=\"background-color:#d9d9d9; border: 1px solid #ddd; padding: 10px;\">~0.5KB<\/td>\n        <td style=\"background-color:#d9d9d9; border: 1px solid #ddd; padding: 10px;\">~1-2KB<\/td>\n        <td style=\"background-color:#d9d9d9; border: 1px solid #ddd; padding: 10px;\">\u4e00\u6b21\u653b\u6483\uff08\u57fa\u672c\u7684\u306aSCA\uff09<\/td>\n        <td style=\"background-color:#d9d9d9; border: 1px solid #ddd; padding: 10px;\">~1-7k\uff08\u4e2d\u7a0b\u5ea6\u306e\u30ce\u30a4\u30ba\u74b0\u5883\uff09<\/td>\n      <\/tr>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\"><strong>\u4e00\u6b21\u30d6\u30fc\u30eb\u30de\u30b9\u30ad\u30f3\u30b0<\/strong><\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">\u4e8c\u6b21\u653b\u6483<\/td>\n        <td style=\"background-color:#f4cccc; border: 1px solid #ddd; padding: 10px;\">~1-7k\uff08\u4e2d\u7a0b\u5ea6\u306e\u30ce\u30a4\u30ba\u74b0\u5883\uff09,<br>~10-100k\uff08\u9ad8\u30ce\u30a4\u30ba\u74b0\u5883\uff09<\/td>\n      <\/tr>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\"><strong>\u4e8c\u6b21\u30d6\u30fc\u30eb\u30de\u30b9\u30ad\u30f3\u30b0<\/strong><\/td>\n        <td style=\"background-color:#f4cccc; border: 1px solid #ddd; padding: 10px;\">~x10-x1000<\/td>\n        <td style=\"background-color:#fce5cd; border: 1px solid #ddd; padding: 10px;\">~x5\u2013x50<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">\u4e09\u6b21\u653b\u6483<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">50-100k\uff08\u4e2d\u7a0b\u5ea6\u306e\u30ce\u30a4\u30ba\u74b0\u5883\uff09<br>100k-1m\uff08\u9ad8\u30ce\u30a4\u30ba\u74b0\u5883\uff09<\/td>\n      <\/tr>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\"><strong>\u4e00\u6b21\u4e57\u7b97\u30de\u30b9\u30ad\u30f3\u30b0<\/strong><\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#f4cccc; border: 1px solid #ddd; padding: 10px;\">\u4e00\u6b21\u653b\u6483\uff08\u653b\u6483\u8005\u304c\u5165\u529b\u3092\u64cd\u4f5c\u3067\u304d\u308b\u5834\u5408\u306b\u6210\u7acb\uff09<\/td>\n        <td style=\"background-color:#f4cccc; border: 1px solid #ddd; padding: 10px;\">~1-7k\uff08\u4e2d\u7a0b\u5ea6\u306e\u30ce\u30a4\u30ba\u74b0\u5883\uff09<\/td>\n      <\/tr>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\"><strong>\u4e00\u6b21\u30a2\u30d5\u30a3\u30f3\u30de\u30b9\u30ad\u30f3\u30b0<\/strong><\/td>\n        <td style=\"background-color:#fff2cc; border: 1px solid #ddd; padding: 10px;\">~x10-x100<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~x2\u2013x10<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">\u4e8c\u6b21\u653b\u6483<\/td>\n        <td style=\"background-color:#d9ead3; border: 1px solid #ddd; padding: 10px;\">~50k-100k\uff08\u4e2d\u7a0b\u5ea6\u306e\u30ce\u30a4\u30ba\u74b0\u5883\uff09<br>~100k-1M\uff08\u9ad8\u30ce\u30a4\u30ba\u74b0\u5883\uff09<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/figure>\n\n\n\n<p><br>\u306a\u304a\u3001\u4e0a\u8a18\u306e\u8868\u306b\u793a\u3057\u305f\u6570\u5024\u306f\u3001\u4ee5\u4e0b\u306e\u5404\u7a2e\u516c\u958b\u60c5\u5831\u3084\u6280\u8853\u8cc7\u6599\u3092\u3082\u3068\u306b\u6574\u7406\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n[1] <a href=\"https:\/\/eprint.iacr.org\/2018\/1007.pdf\"><u>First-Order Masking with Only Two Random Bits<\/u><\/a><\/p>\n\n\n\n[2] <a href=\"https:\/\/cryptojedi.org\/papers\/aesarm-20161019.pdf\"><u>All the AES You Need on Cortex-M3 and M4<\/u><\/a><\/p>\n\n\n\n[3] <a href=\"https:\/\/eprint.iacr.org\/2010\/523.pdf\"><u>Affine Masking against Higher-Order Side Channel Analysis<\/u><\/a><\/p>\n\n\n\n[4] <a href=\"https:\/\/journal.esrgroups.org\/jes\/article\/download\/4988\/3638\/9182\"><u>Review of Side Channel Attacks and Comparison of Masking and Re-keying Countermeasures<\/u><\/a><\/p>\n\n\n\n[5] <a href=\"https:\/\/engineering.purdue.edu\/~shreyas\/SparcLab\/static\/pdfs\/j\/AG_SynStellar.pdf\"><u>Syn-STELLAR: An EM\/Power SCA-Resilient AES-256 With Synthesis-Friendly Signature Attenuation<\/u><\/a><\/p>\n\n\n\n[6] <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26491717\/\"><u>Exploiting Small Leakages in Masks to Turn a Second-Order Attack into a First-Order Attack and Improved Rotating Substitution Box Masking with Linear Code Cosets<\/u><\/a><\/p>\n\n\n\n<p>\u306a\u304a\u3001\u8868\u306e\u6570\u5024\u306f\u3001\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u5b9f\u88c5\u4f8b\u3092\u3082\u3068\u306b\u3057\u305f\u6982\u7b97\u3067\u3042\u308a\u3001\u3042\u304f\u307e\u3067\u53c2\u8003\u5024\u3068\u3057\u3066\u6349\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u30ea\u30bd\u30fc\u30b9\u8981\u4ef6\u306f\u3001\u5bfe\u8c61\u3068\u306a\u308b\u30c1\u30c3\u30d7\u3084\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3001AES\u306e\u5b9f\u88c5\u65b9\u5f0f\uff08\u30d3\u30c3\u30c8\u30b9\u30e9\u30a4\u30b9\u65b9\u5f0f\u304b\u30c6\u30fc\u30d6\u30eb\u30d9\u30fc\u30b9\u65b9\u5f0f\u304b\u306a\u3069\uff09\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u7570\u306a\u308b\u70b9\u306b\u7559\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>\u5b9f\u8df5\u7684\u306a\u5bfe\u7b56\u306e\u30dd\u30a4\u30f3\u30c8<\/strong><\/h2>\n\n\n\n<p>\u81ea\u52d5\u8eca\u30e1\u30fc\u30ab\u30fc\u304a\u3088\u3073Tier1\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3068\u306e\u53d6\u308a\u7d44\u307f\u3092\u901a\u3058\u3066\u5f97\u3089\u308c\u305f\u77e5\u898b\u3092\u3082\u3068\u306b\u3001\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u653b\u6483\u3078\u306e\u5bfe\u7b56\u306b\u304a\u3051\u308b\u5b9f\u8df5\u7684\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u4ee5\u4e0b\u306b\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5bfe\u7b56\u306e\u512a\u5148\u9806\u4f4d\u3092\u898b\u6975\u3081\u308b<\/strong><br>\u9069\u5207\u306a\u5bfe\u7b56\u3092\u691c\u8a0e\u3059\u308b\u969b\u306f\u3001\u307e\u305a\u30ec\u30fc\u30c8\u5236\u9650\u304b\u3089\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u6709\u52b9\u3067\u3059\u3002\u3053\u308c\u304c\u9069\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u3001TCU\u3084\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4ECU\u3067\u306f\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3084\u30ab\u30a6\u30f3\u30bf\u3092\u4f34\u3046\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u524d\u63d0\u3068\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u9375\u306e\u6d3b\u7528\u304c\u73fe\u5b9f\u7684\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u30a4\u30e2\u30d3\u30e9\u30a4\u30b6\u30fc\u3084\u30ad\u30fc\u30d5\u30a9\u30d6\u306e\u3088\u3046\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u5236\u7d04\u3084\u5f8c\u65b9\u4e92\u63db\u6027\u306e\u89b3\u70b9\u304b\u3089\u3001\u9375\u306e\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3088\u308a\u3082\u30de\u30b9\u30ad\u30f3\u30b0\u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<br><br><\/li>\n\n\n\n<li><strong>\u9ad8\u54c1\u8cea\u306a\u4e71\u6570\u306e\u78ba\u4fdd<\/strong><br>\u30de\u30b9\u30ad\u30f3\u30b0\u3084\u30b7\u30e3\u30c3\u30d5\u30ea\u30f3\u30b0\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306b\u306f\u3001\u53ef\u80fd\u3067\u3042\u308c\u3070\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u4e71\u6570\u751f\u6210\u5668\uff08RNG\uff09\u306e\u4f7f\u7528\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u4e0d\u8db3\u3092\u72d9\u3063\u305f\u653b\u6483\u3084\u3001\u4f4e\u54c1\u8cea\u306a\u4e71\u6570\u306b\u8d77\u56e0\u3059\u308b\u60c5\u5831\u6f0f\u3048\u3044\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002<br><br><\/li>\n\n\n\n<li><strong>SCA\u8a55\u4fa1\u306e\u5b9f\u65bd<\/strong><br>ECU\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a55\u4fa1\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001SCA\u306b\u5bfe\u3059\u308b\u8010\u6027\u8a55\u4fa1\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u3001CPA\u3084\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u653b\u6483\u3068\u3044\u3063\u305f\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u306b\u5bfe\u3059\u308b\u691c\u8a3c\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u5b9f\u88c5\u306e\u8106\u5f31\u6027\u3092\u65e9\u671f\u306b\u7279\u5b9a\u3057\u3001\u5bfe\u7b56\u306e\u6709\u52b9\u6027\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>\u307e\u3068\u3081<\/strong><\/h2>\n\n\n\n<p>\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u89e3\u6790\u306f\u3001\u8eca\u8f09ECU\u306b\u5bfe\u3057\u3066\u73fe\u5b9f\u7684\u304b\u3064\u6df1\u523b\u306a\u30ea\u30b9\u30af\u3068\u306a\u308a\u5f97\u308b\u7269\u7406\u653b\u6483\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3053\u3046\u3057\u305f\u653b\u6483\u3078\u306e\u5bfe\u7b56\u304c\u8a2d\u8a08\u6bb5\u968e\u3067\u8003\u616e\u3055\u308c\u3066\u3044\u306a\u3044ECU\u3067\u3042\u3063\u3066\u3082\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u66f4\u65b0\u304c\u53ef\u80fd\u3067\u3042\u308c\u3070\u3001\u9069\u5207\u306a\u5b9f\u88c5\u306b\u3088\u3063\u3066\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u3053\u3068\u306f\u5341\u5206\u306b\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3067\u3001\u3053\u308c\u3089\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5bfe\u7b56\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u3067\u306f\u975e\u5e38\u306b\u6709\u52b9\u3067\u3042\u308b\u53cd\u9762\u3001CPU\u8ca0\u8377\u3084\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u5897\u52a0\u3068\u3044\u3063\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u4f34\u3044\u307e\u3059\u3002\u7279\u306b\u30ea\u30bd\u30fc\u30b9\u5236\u7d04\u306e\u53b3\u3057\u3044\u8eca\u8f09\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u306f\u3001\u3053\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3092\u5341\u5206\u306b\u8003\u616e\u3057\u306a\u304c\u3089\u3001\u6700\u9069\u306a\u5bfe\u7b56\u3092\u9078\u5b9a\u30fb\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u89e3\u6790\uff08SCA\uff09\u653b\u6483\u3068\u306f\u3001ROM\u306e\u8aad\u307f\u53d6\u308a\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306a\u3069\u306e\u76f4\u63a5\u7684\u306a\u89e3&#8230;<\/p>\n","protected":false},"author":125,"featured_media":21298,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[158,158],"tags":[],"class_list":["post-21437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-ja"],"acf":{"layout":"default","hide_default_footer_block":false,"use_external_link":false,"external_link":"","open_in_new_tab":false,"has_hero_grey_mask":false,"hero_font_color":"default","use_custom_archive_card_image":true,"custom_archive_card_image":21294,"use_custom_mobile_single_image":false,"custom_mobile_single_image":null},"yoast_head":"<!-- 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