{"id":116564,"date":"2024-03-23T07:06:36","date_gmt":"2024-03-22T22:06:36","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e3%81%97%e3%81%a6crc%e5%b7%a1%e5%9b%9e%e5%86%97%e9%95%b7%e6%a4%9c%e6%9f%bb%e3%82%92%e8%a1%8c%e3%81%84%e3%81%be%e3%81%99%e3%81%8b\/"},"modified":"2024-04-05T03:44:49","modified_gmt":"2024-04-04T18:44:49","slug":"%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e3%81%97%e3%81%a6crc%e5%b7%a1%e5%9b%9e%e5%86%97%e9%95%b7%e6%a4%9c%e6%9f%bb%e3%82%92%e8%a1%8c%e3%81%84%e3%81%be%e3%81%99%e3%81%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e3%81%97%e3%81%a6crc%e5%b7%a1%e5%9b%9e%e5%86%97%e9%95%b7%e6%a4%9c%e6%9f%bb%e3%82%92%e8%a1%8c%e3%81%84%e3%81%be%e3%81%99%e3%81%8b\/","title":{"rendered":"\u3069\u306e\u3088\u3046\u306b\u3057\u3066CRC\u5de1\u56de\u5197\u9577\u691c\u67fb\u3092\u884c\u3044\u307e\u3059\u304b"},"content":{"rendered":"

\u5de1\u56de\u5197\u9577\u691c\u67fb\uff08CRC; Cyclic Redundancy Check\uff09\u3068\u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u4e2d\u3084\u683c\u7d0d\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u30a8\u30e9\u30fc\u306e\u691c\u51fa\u306b\u7528\u3044\u3089\u308c\u308b\u3001\u4e00\u822c\u7684\u306a\u30c7\u30fc\u30bf\u691c\u8a3c\u6cd5\u3067\u3042\u308b\u3002<\/p>\n

CRC\u5de1\u56de\u5197\u9577\u691c\u67fb\u30b3\u30fc\u30c9\u3092\u7b97\u51fa\u3059\u308b\u30b9\u30c6\u30c3\u30d7\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n

\u4e00\u822c\u7684\u306b\u306f2\u9032\u6570\u3067\u69cb\u6210\u3055\u308c\u308b\u751f\u6210\u591a\u9805\u5f0f\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u751f\u6210\u591a\u9805\u5f0f\u306e\u9078\u629e\u306f\u63a1\u7528\u3059\u308bCRC\u898f\u683c\u306b\u4f9d\u5b58\u3057\u3001\u6700\u3082\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u308bCRC-32\u3067\u306f\u751f\u6210\u591a\u9805\u5f0f\u306f0x04C11DB7\u3067\u3059\u3002<\/p>\n

\u691c\u8a3c\u30c7\u30fc\u30bf\u306f\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306b\u5206\u5272\u3055\u308c\u308b\u3002<\/p>\n

16\/32\/64bit\u30ec\u30b8\u30b9\u30bf\u30920xFFFFFFFF\u3067\u521d\u671f\u5316\u3057\u307e\u3059\u3002<\/p>\n

\u5404\u30c7\u30fc\u30bf\u30c1\u30e3\u30f3\u30af\u306b\u5bfe\u3057\u3066\u6b21\u3092\u884c\u3046\uff1a<\/p>\n

\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u5148\u982d\u30d0\u30a4\u30c8\u3068\u30ec\u30b8\u30b9\u30bf\u306e\u6700\u4e0a\u4f4d\u30d0\u30a4\u30c8\u3092XOR\u6f14\u7b97\u3057\u3001\u7d50\u679c\u3092\u5f97\u308b\u3002<\/p>\n

\u7d50\u679c\u306e\u6700\u4e0a\u4f4d\u3092\u306f\u3058\u304d\u51fa\u3057\uff08\u53f3\u30b7\u30d5\u30c81\uff09\u3001\u751f\u6210\u591a\u9805\u5f0f\u3068XOR\u3059\u308b\u3002<\/p>\n

c) b\u306e\u5de5\u7a0b\u3092\u3059\u3079\u3066\u306e\u4f4d\u7f6e\u304c\u8a08\u7b97\u3055\u308c\u308b\u307e\u3067\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/p>\n

\u30ec\u30b8\u30b9\u30bf\u306e\u73fe\u5728\u306e\u5024\u3092\u3001\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3002<\/p>\n

\u4ee5\u4e0b\u306b 1 \u30d0\u30a4\u30c8\u306e CRC-8 \u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3092\u8a08\u7b97\u3059\u308b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n

\u591a\u9805\u5f0f\u30920x1D\u3067\u751f\u6210\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9078\u629e\u3059\u308b\u3002<\/p>\n

\u691c\u8a3c\u3059\u308b\u30c7\u30fc\u30bf\u3092 1 \u30d0\u30a4\u30c8\u305a\u3064\u30d0\u30a4\u30c8\u30d6\u30ed\u30c3\u30af\u306b\u533a\u5207\u308b\u3002<\/p>\n

8\u30d3\u30c3\u30c8\u306e\u30ec\u30b8\u30b9\u30bf\u30920\u3067\u521d\u671f\u5316\u3057\u307e\u3059\u3002<\/p>\n

\u5404\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306b\u5bfe\u3057\u3066\u3001\u4ee5\u4e0b\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u6700\u521d\u306e\u30d0\u30a4\u30c8\u3092\u30ec\u30b8\u30b9\u30bf\u3068\u6392\u4ed6\u7684\u8ad6\u7406\u548c\u3067\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u3002<\/p>\n

b\uff09\u7d50\u679c\u306e\u4e00\u756a\u4e0a\u306e\u6841\u3092\u7e70\u308a\u51fa\u3059\uff08\u3064\u307e\u308a1\u6841\u53f3\u3078\u305a\u3089\u3057\u307e\u3059\uff09\u3002<\/p>\n

\u7d50\u679c\u306e\u6700\u4e0b\u4f4d\u30d3\u30c3\u30c8\u304c 1 \u306e\u5834\u5408\u306f\u751f\u6210\u591a\u9805\u5f0f 0x1D \u3068\u6392\u4ed6\u7684\u8ad6\u7406\u548c\u3092\u53d6\u308b\u3002<\/p>\n

d) b\u3068c\u306e\u624b\u9806\u3092\u7e70\u308a\u8fd4\u3059\u3002\u5168\u3066\u306e\u30d3\u30c3\u30c8\u306b\u5bfe\u3059\u308b\u8a08\u7b97\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u3002<\/p>\n

\u30ec\u30b8\u30b9\u30bf\u306e\u73fe\u5728\u306e\u5024\u3092\u3001\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3068\u3059\u308b\u3002<\/p>\n

\u6ce8\u610f: \u751f\u6210\u591a\u9805\u5f0f\u306e\u9078\u629e\u3068\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u5206\u5272\u65b9\u6cd5\u306f\u3001\u5177\u4f53\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b7\u30fc\u30f3\u3068\u57fa\u6e96\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u4e0a\u8a18\u306e\u4f8b\u793a\u306f\u5358\u306a\u308b\u7c21\u5358\u306a\u4f8b\u793a\u3067\u3059\u3002\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5177\u4f53\u7684\u306a\u8981\u6c42\u3068\u57fa\u6e96\u306b\u57fa\u3065\u3044\u3066\u751f\u6210\u591a\u9805\u5f0f\u3068\u5206\u5272\u65b9\u6cd5\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5de1\u56de\u5197\u9577\u691c\u67fb\uff08CRC; Cyclic Redundancy Check\uff09\u3068\u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u4e2d\u3084\u683c\u7d0d\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u30a8\u30e9\u30fc\u306e\u691c\u51fa\u306b\u7528\u3044\u3089\u308c\u308b\u3001\u4e00\u822c\u7684\u306a\u30c7\u30fc\u30bf\u691c\u8a3c\u6cd5\u3067\u3042\u308b\u3002 CRC\u5de1\u56de\u5197\u9577\u691c\u67fb\u30b3\u30fc\u30c9\u3092\u7b97\u51fa\u3059\u308b\u30b9\u30c6\u30c3\u30d7\u306f\u4ee5\u4e0b\u306e\u901a […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-116564","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u3069\u306e\u3088\u3046\u306b\u3057\u3066CRC\u5de1\u56de\u5197\u9577\u691c\u67fb\u3092\u884c\u3044\u307e\u3059\u304b - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/\u3069\u306e\u3088\u3046\u306b\u3057\u3066crc\u5de1\u56de\u5197\u9577\u691c\u67fb\u3092\u884c\u3044\u307e\u3059\u304b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3069\u306e\u3088\u3046\u306b\u3057\u3066CRC\u5de1\u56de\u5197\u9577\u691c\u67fb\u3092\u884c\u3044\u307e\u3059\u304b\" \/>\n<meta property=\"og:description\" content=\"\u5de1\u56de\u5197\u9577\u691c\u67fb\uff08CRC; Cyclic Redundancy Check\uff09\u3068\u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u4e2d\u3084\u683c\u7d0d\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u30a8\u30e9\u30fc\u306e\u691c\u51fa\u306b\u7528\u3044\u3089\u308c\u308b\u3001\u4e00\u822c\u7684\u306a\u30c7\u30fc\u30bf\u691c\u8a3c\u6cd5\u3067\u3042\u308b\u3002 CRC\u5de1\u56de\u5197\u9577\u691c\u67fb\u30b3\u30fc\u30c9\u3092\u7b97\u51fa\u3059\u308b\u30b9\u30c6\u30c3\u30d7\u306f\u4ee5\u4e0b\u306e\u901a […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/\u3069\u306e\u3088\u3046\u306b\u3057\u3066crc\u5de1\u56de\u5197\u9577\u691c\u67fb\u3092\u884c\u3044\u307e\u3059\u304b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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