{"id":3933,"date":"2024-01-10T09:20:39","date_gmt":"2024-01-10T09:20:39","guid":{"rendered":"https:\/\/plaxidityx.com\/blog\/%e3%82%ab%e3%83%86%e3%82%b4%e3%83%aa%e3%83%bc%e3%81%aa%e3%81%97\/some-ip-protocol-man-in-the-middle-attack\/"},"modified":"2025-05-01T13:40:13","modified_gmt":"2025-05-01T13:40:13","slug":"some-ip-protocol-man-in-the-middle-attack","status":"publish","type":"post","link":"https:\/\/plaxidityx.com\/ja\/blog\/cyber-security-blog-ja\/some-ip-protocol-man-in-the-middle-attack\/","title":{"rendered":"\u4e2d\u9593\u8005\u653b\u6483\u306b\u3088\u308bSOME\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e57\u3063\u53d6\u308a\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u8eca\u8f09\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306eSOME\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3063\u305f\u3001\u81ea\u52d5\u8eca\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u3059\u308b\u4e2d\u9593\u8005\uff08MITM\uff09\u653b\u6483\u306b\u3064\u3044\u3066\u3001\u307e\u305f\u305d\u308c\u3092\u8efd\u6e1b\u3059\u308b\u65b9\u6cd5\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\uff1a<\/strong>MITM\u653b\u6483\u306b\u306f\u30012\u8005\u9593\u306e\u901a\u4fe1\u3092\u5408\u610f\u306a\u3057\u306b\u508d\u53d7\u3057\u3001\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u52b9\u7387\u306e\u3088\u3044\u9ad8\u5e2f\u57df\u5e45\u306e\u8eca\u8f09\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u3001\u8eca\u8f09\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30ea\u30f3\u30af\u306f\u8eca\u8f09E\/E\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u3057\u3066\u4e00\u822c\u7684\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u81ea\u52d5\u8eca\u696d\u754c\u3067\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u3001DoIP (Diagnostics over IP\uff1a\u8a3a\u65ad\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb) \u3084SOME\/IP\u3068\u3044\u3063\u305f\u5c02\u7528\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30a4\u30e4\u30fc\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u52a0\u3048\u3001\u4e00\u822c\u7684\u306a\u8eca\u8f09\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30bf\u30c3\u30af\u3068\u3057\u3066\u3001ICMP\u3001ARP\u3001DHCP \u3068\u3044\u3063\u305fIT\u696d\u754c\u306e\u4e00\u822c\u7684\u306a\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3082\u6319\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"322\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-1024x322.png\" alt=\"\" class=\"wp-image-5054\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-1024x322.png 1024w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-300x94.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-768x242.png 768w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image.png 1372w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>\u4e00\u822c\u7684\u306a\u8eca\u8f09\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30bf\u30c3\u30af<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u8eca\u8f09\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4e00\u822c\u7684\u306a\u5206\u6790\u3067\u306f\u3001\u307e\u305a\u3001\u5f71\u97ff\u306e\u5927\u304d\u3044\u4ee5\u4e0b\u306e\u653b\u6483\u30d1\u30bf\u30fc\u30f3\u306b\u3064\u3044\u3066\u8abf\u3079\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\u653b\u6483\uff08DoS\uff09<\/li>\n\n\n\n<li>ECU\u6319\u52d5\u306e\u6539\u3056\u3093<\/li>\n\n\n\n<li>\u8eca\u4e21\u6319\u52d5\u306b\u5bfe\u3059\u308b\u60aa\u610f\u3042\u308b\u30c8\u30ea\u30ac\u30fc<\/li>\n\n\n\n<li>\u30c9\u30e9\u30a4\u30d0\u30fc\u60c5\u5831\u306e\u6539\u3056\u3093<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306e\u6f0f\u6d29<\/li>\n\n\n\n<li>\u77e5\u7684\u8ca1\u7523\u306e\u4fb5\u5bb3<\/li>\n<\/ol>\n\n\n\n<p>\u4e0a\u8a18\u306e\u3046\u3061\u3001\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\u3001\u8eca\u4e21\u6319\u52d5\u306b\u5bfe\u3059\u308b\u60aa\u610f\u3042\u308b\u30c8\u30ea\u30ac\u30fc\u3001\u30c9\u30e9\u30a4\u30d0\u30fc\u60c5\u5831\u306e\u6539\u3056\u3093\u3001\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306e\u6f0f\u6d29\u306e4\u3064\u306f\u3001\u3053\u306eMITM\u653b\u6483\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SOME\/IP\u3068\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p>SOME\/IP \uff08Scalable service-Oriented MiddlewarE over IP\uff1a\u30b5\u30fc\u30d3\u30b9\u6307\u5411\u901a\u4fe1\uff09\u306f\u3001\u8eca\u8f09\u7528\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001\u9ad8\u901f\u30c7\u30fc\u30bf\u8ee2\u9001\u3001\u4f4e\u3044\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3001\u77ed\u3044\u8d77\u52d5\u6642\u9593\u306a\u3069\u3001\u8eca\u8f09\u901a\u4fe1\u306e\u30cb\u30fc\u30ba\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30fb\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u7528\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u901a\u5e38\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u3063\u3066\u3001\u8eca\u5185\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u3059\u308b\u901a\u77e5\u304c\u63d0\u4f9b\u3055\u308c\u308b\u307b\u304b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3088\u308b\u30b5\u30fc\u30d0\u30fc\u6a5f\u80fd\u306e\u547c\u3073\u51fa\u3057\u304a\u3088\u3073\u60c5\u5831\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u53ef\u80fd\u306b\u306a\u308bRPC\uff08Remote Procedure Call\uff1a\u9060\u9694\u624b\u7d9a\u304d\u547c\u3073\u51fa\u3057\uff09\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>SOME\/IP\u306b\u306f\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea\u6a5f\u80fd\uff08SOME\/IP-SD\uff09\u304c\u5099\u308f\u3063\u3066\u304a\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u52d5\u7684\u306a\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u304c\u53ef\u80fd\u3067\u3059\u3002\u901a\u5e38\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u63a5\u7d9a\u5148\u3059\u3079\u3066\u306b\u30aa\u30d5\u30a1\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u901a\u4fe1\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u3066\u3001\u95a2\u9023\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6\u3057\u307e\u3059\u3002\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30b5\u30fc\u30d3\u30b9\u306e\u63d0\u4f9b\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u901a\u77e5\u3092\u9001\u4fe1\u3057\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002\u3053\u306e\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u306f\u5b9a\u671f\u7684\u306a\u3082\u306e\u3067\u3001\u901a\u5e38\u306f2\u79d2\u306b1\u56de\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"653\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-1-1024x653.png\" alt=\"SOME\/IP\" class=\"wp-image-5057\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-1-1024x653.png 1024w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-1-300x191.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-1-768x490.png 768w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-1.png 1150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>SD\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u542b\u3080\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fcECU\u9593\u306e\u4e00\u822c\u7684\u306aSOME\/IP\u901a\u4fe1<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u653b\u6483\u8a2d\u5b9a<\/h2>\n\n\n\n<p>\u4eca\u56de\u306e\u653b\u6483\u8a2d\u5b9a\u306f\u3001\u81ea\u52d5\u8eca\u696d\u754c\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u4ee3\u8868\u3059\u308b\u3082\u306e\u3067\u3001A\u3068B\u306e2\u3064\u306eECU\u306f\u30b9\u30a4\u30c3\u30c1\u3092\u4ecb\u3057\u3066\u63a5\u7d9a\u3057\u3001SOME\/IP\u3067\u901a\u4fe1\u3057\u307e\u3059\u3002ECU A\u306f\u30b5\u30fc\u30d0\u30fc\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3042\u308bECU B\u306b\u30b5\u30fc\u30d3\u30b9S1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u306e\u30b9\u30a4\u30c3\u30c1\u306b\u306f\u5225\u306eECU\u3067\u3042\u308bECU C\u3082\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u653b\u6483\u30b7\u30ca\u30ea\u30aa\u306e\u524d\u63d0\u6761\u4ef6\u306f\u3001ECU C\u304c\u3059\u3067\u306b\u4fb5\u5165\u3055\u308c\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u507d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"596\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-2-1024x596.png\" alt=\"\" class=\"wp-image-5059\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-2-1024x596.png 1024w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-2-300x175.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-2-768x447.png 768w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-2.png 1121w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>\u653b\u6483\u8a2d\u5b9a-3\u3064\u306eECU\u306f1\u3064\u306e\u30b9\u30a4\u30c3\u30c1\u3092\u4ecb\u3057\u3066\u63a5\u7d9a\u3057\u3066\u3044\u308b<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u653b\u6483\u306e\u6d41\u308c<\/h2>\n\n\n\n<p>\u3053\u306e\u653b\u6483\u3067\u306f\u3001\u653b\u6483\u8005\u306fECU A \u3068ECU B\u306e\u9593\u306e\u30b5\u30fc\u30d3\u30b9\u901a\u4fe1\u3092\u4e57\u3063\u53d6\u308a\u3001\u5f37\u5236\u7684\u306bECU C\u3092\u901a\u3057\u3066\u901a\u4fe1\u304c\u884c\u308f\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u901a\u5e38ECU A\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea\u30aa\u30d5\u30a1\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u3066S1\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u8907\u6570\u306e\u5834\u6240\u306b\u9001\u4fe1\u3055\u308c\u308b\u305f\u3081\u3001ECU C\u3082\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3057\u307e\u3059\u3002ECU C\u306f\u653b\u6483\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u3001\u53d7\u4fe1\u3057\u305f\u30aa\u30d5\u30a1\u30fcS1\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u5bfe\u3057\u3066\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6S1\u30e1\u30c3\u30bb\u30fc\u30b8\u3092ECU A\u306b\u9001\u4fe1\u3057\u3066\u30b5\u30fc\u30d3\u30b9\u3092\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6\u3057\u3001\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\uff08\u306a\u308a\u3059\u307e\u3057\uff09\u3055\u308c\u305f\u30aa\u30d5\u30a1\u30fcS1\u30e1\u30c3\u30bb\u30fc\u30b8\u3092ECU B\u306b\u9001\u4fe1\u3059\u308b\u3001\u3068\u3044\u30462\u3064\u306e\u3053\u3068\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>ECU B\u306f\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30aa\u30d5\u30a1\u30fcS1\u3068\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3055\u308c\u305f\u30aa\u30d5\u30a1\u30fc\u306e\u4e21\u65b9\u3092\u53d7\u4fe1\u3057\u307e\u3059\u304c\u30012\u3064\u76ee\u306e\u30aa\u30d5\u30a1\u30fc\u304c1\u3064\u76ee\u306e\u30aa\u30d5\u30a1\u30fc\u306e\u76f4\u5f8c\u306b\u5c4a\u304f\u305f\u3081\u30012\u3064\u76ee\u3060\u3051\u3092\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001ECU A \uff08\u30b5\u30fc\u30d0\u30fc\uff09 \u304b\u3089ECU C \uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff09\u3078\u3001\u305d\u3057\u3066ECU C \uff08\u30b5\u30fc\u30d0\u30fc\uff09 \u304b\u3089 ECU B \uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff09\u3078\u3001\u3068\u3044\u30462\u3064\u306e\u63a5\u7d9a\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u5f8c\u3001ECU C\u306fECU A\u3068B\u9593\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ea\u30ec\u30fc\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001ECU A\u304c\u305d\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3042\u308bECU C\u306b\u901a\u77e5\u3092\u9001\u4fe1\u3057\u305f\u5834\u5408\u3001ECU C\u306f\u305d\u306e\u5185\u5bb9\u3092\u76f4\u3061\u306bECU B\u3078\u8ee2\u9001\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d3\u30b9\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u304a\u3088\u3073\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30ea\u30ec\u30fc\u306f\u653b\u6483\u306e\u9593\u305a\u3063\u3068\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"886\" height=\"671\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-3.png\" alt=\"\" class=\"wp-image-5061\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-3.png 886w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-3-300x227.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/01\/image-3-768x582.png 768w\" sizes=\"(max-width: 886px) 100vw, 886px\" \/><figcaption class=\"wp-element-caption\"><em>\u653b\u6483\u306e\u8aac\u660e\u56f3\uff1aECU C\u304c\u5404ECU\u3068\u306e\u9593\u3067SD\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u884c\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ea\u30ec\u30fc\u3059\u308b<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u653b\u6483\u8005\u306f\u3053\u306e\u653b\u6483\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u30672\u3064\u306e\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u30021\u3064\u76ee\u306fECU A\u3068ECU B\u306e\u9593\u306e\u901a\u4fe1\u3092\u508d\u53d7\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u901a\u4fe1\u3067\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u304c\u305d\u308c\u305e\u308c\u306e\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u306b\u95a2\u4fc2\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u3057\u304b\u8ee2\u9001\u3057\u306a\u3044\u305f\u3081\u3001\u653b\u6483\u304c\u306a\u3051\u308c\u3070\u672c\u6765ECU C\uff08\u653b\u6483\u8005\uff09\u304b\u3089\u306f\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u30022\u3064\u76ee\u306f\u3001ECU\u306e\u9593\u306e\u901a\u4fe1\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u3066\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u653b\u6483\u8005\u306f\u3053\u306e\u653b\u6483\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u507d\u306e\u901a\u77e5\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3059\u308b\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u30ea\u30e2\u30fc\u30c8\u6a5f\u80fd\u3092\u547c\u3073\u51fa\u3059\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30c7\u30fc\u30bf\u3092\u6539\u3056\u3093\u3059\u308b\u3001\u91cd\u8981\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u524a\u9664\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u5074\u307e\u305f\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u691c\u51fa\u3067\u304d\u308b\u3088\u3046\u306a\u901a\u4fe1\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u79c1\u305f\u3061\u306f\u3001\u8eca\u8f09\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u3092\u4ecb\u3057\u3066\u63a5\u7d9a\u3057\u305f2\u3064\u306eECU\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u653b\u6483\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u306e\u653b\u6483\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2022\/11\/unnamed-1.png\" alt=\"SOME\/IP-wireshark-capture\" class=\"wp-image-13733\"\/><figcaption class=\"wp-element-caption\"><em>Wireshark\u306b\u3088\u308b\u653b\u6483\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u3002\u507d\u306e\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u304a\u3088\u3073RPC\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30ea\u30ec\u30fc\u304c\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u653b\u6483\u306e\u7de9\u548c\u7b56<\/h2>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u3092\u7de9\u548c\u3059\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u304c\u3001\u3069\u306e\u65b9\u6cd5\u3092\u9078\u3076\u3079\u304d\u304b\u306f\u3001\u4e3b\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b9\u30a4\u30c3\u30c1\u306e\u6a5f\u80fd\uff08TCMA\u30eb\u30fc\u30eb\u306a\u3069\uff09\u3092\u4f7f\u3063\u3066\u57fa\u672c\u7684\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u9069\u7528\u3059\u308c\u3070\u9632\u3052\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u306a\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30d1\u30e9\u30e1\u30fc\u30bf\uff08MAC \u30a2\u30c9\u30ec\u30b9\u3001IP \u30a2\u30c9\u30ec\u30b9\u3001UDP\/TCP \u30dd\u30fc\u30c8\uff09\u3060\u3051\u3067\u306a\u304f\u3001SOME\/IP \u30b5\u30fc\u30d3\u30b9 ID \u3084 SOME\/IP-SD \u30e1\u30c3\u30bb\u30fc\u30b8\u30fb\u30bf\u30a4\u30d7\u306a\u3069\u306e\u81ea\u52d5\u8eca\u56fa\u6709\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3001\u4f8b\u3048\u3070AUTOSAR 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