{"id":15,"date":"2018-04-10T08:54:17","date_gmt":"2018-04-09T23:54:17","guid":{"rendered":"http:\/\/ps2.ddns.net\/press\/?p=8"},"modified":"2021-04-09T10:26:24","modified_gmt":"2021-04-09T01:26:24","slug":"airgap","status":"publish","type":"post","link":"https:\/\/rfsec.ddns.net\/db\/?p=15","title":{"rendered":"\u7121\u7dda\u3067AirGap\u3092\u8d85\u3048\u308b"},"content":{"rendered":"\n<p><strong>\u7121\u7dda\u3067AirGap\u3092\u8d85\u3048\u308b\u5b9f\u9a13\uff08\u305d\u306e\uff11\u3000Raspberry Pi\uff09<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/gigazine.net\/news\/20180313-air-gapped-computer-mosquito-attack\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30a4\u30b9\u30e9\u30a8\u30b9\u306e\u30d9\u30f3\u30fb\u30b0\u30ea\u30aa\u30f3\u5927\u5b66\u306e\u7814\u7a76\u30c1\u30fc\u30e0<\/a>\u304c\u69d8\u3005\u306a\u624b\u6bb5\u3067AirGap\u3092\u8d85\u3048\u308b\u5b9f\u9a13\u3092\u767a\u8868\u3057\u3066\u3044\u3066\u3001\u3053\u308c\u307e\u3067\u306b\u3001\u96fb\u6ce2\u3001\u97f3\u6ce2\u3001\u71b1\u306a\u3069\u306e\u4f8b\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br>\u304b\u306d\u3066\u304b\u3089\u3001\u30cd\u30bf\u306e\u4e00\u3064\u3068\u3057\u3066\u7121\u7dda\u3067\u5b9f\u9a13\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u6700\u8fd1\u306b\u306a\u3063\u3066\u3088\u3046\u3084\u304f\u5b9f\u9a13\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6700\u521d\u306f\u3001GPIO\u3092\u5099\u3048\u3001\u6577\u5c45\u304c\u4f4e\u305d\u3046\u306aRaspberry Pi\u3067\u5b9f\u9a13\u3092\u8a66\u307f\u307e\u3057\u305f\u3002RaspberrPi\u3067\u306f\u3001F<a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/markondej\/fm_transmitter\" target=\"_blank\">M\u5909\u8abf\u3067\u97f3\u697d\u306a\u3069\u3092\u6d41\u3059\u8a66\u307f<\/a>\u304c\u767a\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u624b\u59cb\u3081\u306b\u3001\u3053\u308c\u3092\u5b9f\u9a13\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001github\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3001\u7c21\u5358\u306b\u518d\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u3053\u306e\u30bd\u30d5\u30c8\u306f\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3057\u305fwav\u30d5\u30a1\u30a4\u30eb\u306e\u97f3\u697d\u3092\u6d41\u3057\u305f\u308a\u3001\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3\u3084LINE\u5165\u529b\u304b\u3089\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u4fe1\u53f7\u3092FM\u5909\u8abf\u3067\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u8abf\u3079\u3066\u307f\u308b\u3068\u3001RaspberryPi\u306b\u306f\uff13\u500b\u306eGPCLK\u30dd\u30fc\u30c8\u304c\u5099\u308f\u3063\u3066\u3044\u3066\u3001\u3053\u306e\u30dd\u30fc\u30c8\u304b\u3089\u3001\u5185\u8535\u306e\u30af\u30ed\u30c3\u30af\u3092\u57fa\u306b\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30de\u30d6\u30eb\u306b\u5468\u6ce2\u6570\u3092\u8a2d\u5b9a\u53ef\u80fd\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/ps2.ddns.net\/blog2\/files\/GPCLK.png\" alt=\"\"\/><figcaption><a rel=\"noreferrer noopener\" href=\"https:\/\/pinout.xyz\/pinout\/gpclk\" target=\"_blank\">GPCLK General Purpose CLock https:\/\/pinout.xyz\/pinout\/gpclk<\/a><\/figcaption><\/figure>\n\n\n\n<p>GPIO\u7aef\u5b50\u306b\u51fa\u529b\u3055\u308c\u308b\u4fe1\u53f7\u306f\u3001\u57fa\u672c\u7684\u306b\u306f\u77e9\u5f62\u6ce2\u306a\u306e\u3067\u3001RF\u4fe1\u53f7\u306e\u632f\u5e45\u304c\u5909\u5316\u3059\u308b\u3088\u3046\u306a\u5909\u8abf\u306f\u3001\u5916\u90e8\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306a\u3057\u306b\u306f\u5b9f\u88c5\u3067\u304d\u307e\u305b\u3093\u3002FM\u96fb\u6ce2\u3068\u3057\u305f\u7406\u7531\u3082\u3001\u305d\u3053\u306b\u3042\u308b\u3082\u306e\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30de\u30d6\u30eb\u306b\u30af\u30ed\u30c3\u30af\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3092\u5229\u7528\u3057\u3001GPCLK\u7aef\u5b50\u3078\u51fa\u529b\u3059\u308b\u5468\u6ce2\u6570\u3092\u3046\u307e\u304f\u5236\u5fa1\u3057\u3066FM\u5909\u8abf\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<a href=\"https:\/\/raspberrypi.stackexchange.com\/questions\/1153\/what-are-the-different-clock-sources-for-the-general-purpose-clocks\" target=\"_blank\" rel=\"noreferrer noopener\">\u30af\u30ed\u30c3\u30af\u751f\u6210\u306e\u8a73\u7d30\u306f\u3001\u3053\u306e\u8a18\u4e8b\u306a\u3069\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3059<\/a>\u3002<\/p>\n\n\n\n<p>RaspberryPi\u306eFM\u9001\u4fe1\u6a5f\u306e\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3057\u3066\u30c7\u30b8\u30bf\u30eb\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u306b\u306f\u3001\u30c7\u30fc\u30bf\u304b\u3089QPSK\u306a\u3069\u306e\u4fe1\u53f7\u3092\u97f3\u58f0\u30c7\u30fc\u30bf\u3068\u3057\u3066\u751f\u6210\u3057\u3001wav\u30d5\u30a1\u30a4\u30eb\u306b\u843d\u3068\u3057\u3066\u5909\u8abf\u7528\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u3059\u308c\u3070\u3001\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u5b9f\u73fe\u3067\u304d\u305d\u3046\u306a\u6c17\u304c\u3057\u307e\u3059(APSK\u5909\u8abf\uff09\u3002\u3082\u3063\u3068\u5b89\u76f4\u306a\u65b9\u6cd5\u3068\u3057\u3066\u3001GPCLK\u7aef\u5b50\u304b\u3089\u3001\u3042\u308b\u306e\u5468\u6ce2\u6570\u306e\u4fe1\u53f7\u3092\u65ad\u7d9a\u3057\u3066\u51fa\u529b\u3059\u308c\u3070\u3001\u642c\u9001\u6ce2\u306e\u65ad\u7d9a\u306b\u3088\u308b\u539f\u59cb\u7684\u306aCW\u5909\u8abf\u304c\u5b9f\u73fe\u3067\u304d\u305d\u3046\u306a\u306e\u3067\u3001\u3053\u3061\u3089\u306e\u65b9\u5f0f\u3067\u5b9f\u9a13\u3092\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u30af\u30ed\u30c3\u30af\u306e\u751f\u6210\u3067\u3001\u53c2\u8003\u306b\u305f\u8a18\u4e8b\u306f\u3001<a href=\"http:\/\/abyz.me.uk\/rpi\/pigpio\/code\/minimal_clk.zip\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3061\u3089\u306e Miscellaneous related code \u30bb\u30af\u30b7\u30e7\u30f3\u306b\u3042\u308bMinimal Clock Access\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3002<br><\/a><br>\u30af\u30ed\u30c3\u30af\u306e\u5236\u5fa1\u90e8\u5206\u3060\u3051\u3092C\u8a00\u8a9e\u3067\u8a18\u8ff0\u3057\u3001\u6b8b\u308a\u306e\u90e8\u5206\u306f\u3001\u3053\u308c\u307e\u305f\u5b89\u76f4\u306bPHP\u3067\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7121\u7dda\u3067AirGap\u3092\u8d85\u3048\u308b\u5b9f\u9a13\uff08\u305d\u306e\uff11\u3000Raspberry Pi\uff09 \u30a4\u30b9\u30e9\u30a8\u30b9\u306e\u30d9\u30f3\u30fb\u30b0\u30ea\u30aa\u30f3\u5927\u5b66\u306e\u7814\u7a76\u30c1\u30fc\u30e0\u304c\u69d8\u3005\u306a\u624b\u6bb5\u3067AirGap\u3092\u8d85\u3048\u308b\u5b9f\u9a13\u3092\u767a\u8868\u3057\u3066\u3044\u3066\u3001\u3053\u308c\u307e\u3067\u306b\u3001\u96fb\u6ce2\u3001\u97f3\u6ce2\u3001\u71b1\u306a\u3069\u306e\u4f8b\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u304b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8,3,5],"tags":[],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-security","category-network","category-radio"],"featured_image_src":null,"author_info":{"display_name":"mars","author_link":"https:\/\/rfsec.ddns.net\/db\/?author=1"},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15"}],"version-history":[{"count":1,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/15\/revisions"}],"predecessor-version":[{"id":55,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/15\/revisions\/55"}],"wp:attachment":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}