{"id":423,"date":"2018-06-24T09:14:02","date_gmt":"2018-06-24T00:14:02","guid":{"rendered":"http:\/\/tamatoyaku.com\/b\/?p=423"},"modified":"2018-06-24T09:14:02","modified_gmt":"2018-06-24T00:14:02","slug":"423","status":"publish","type":"post","link":"https:\/\/p-0.me\/b\/p\/423\/","title":{"rendered":"\u304a\u308c\u306f\u5352\u7814\u3092\u5909\u3048\u308b\u305e\uff01\u30b8\u30e7\u30b8\u30e7\u30fc\u30fc\u30c3\uff01\uff01"},"content":{"rendered":"<p>\u30bf\u30a4\u30c8\u30eb\u306e\u901a\u308a\uff0c\u5352\u696d\u7814\u7a76\u306e\u30c6\u30fc\u30de\u3092\u5909\u3048\u307e\u3059\uff0e<br \/>\n<!--more--><br \/>\n\u3053\u308c\u307e\u3067\u306f\u300cFPGA\u4e0a\u3067Montgomery\u66f2\u7dda\u3092\u7528\u3044\u305fECDSA\u3092\u5b9f\u88c5\u3059\u308b\u300d\u3068\u3044\u3046\u306e\u304c\u76ee\u7684\u3067\u3042\u3063\u305f\u304c\uff0c\u3044\u308d\u3044\u308d\u3042\u3063\u3066\u3053\u306e\u30c6\u30fc\u30de\u306f\u8f9e\u3081\u308b\u3053\u3068\u3068\u3057\u305f\uff0e<br \/>\n\u96fb\u5b50\u60c5\u5831\u901a\u4fe1\u5b66\u4f1a\u306b\u3088\u308b\u3068\uff0c\u8ad6\u6587\u306b\u304a\u3044\u3066\u6700\u3082\u8a55\u4fa1\u3055\u308c\u308b\u306e\u306f\u4ee5\u4e0b\u306e4\u70b9\u3067\u3042\u308b\uff0e<\/p>\n<ul>\n<li>\u65b0\u898f\u6027\uff1a\u8ad6\u6587\u306e\u5185\u5bb9\u306b\u8457\u8005\u306e\u65b0\u898f\u6027\u304c\u3042\u308b\u3053\u3068\uff0e<\/li>\n<li>\u6709\u52b9\u6027\uff1a\u8ad6\u6587\u306e\u5185\u5bb9\u304c\u5b66\u8853\u3084\u7523\u696d\u306e\u767a\u5c55\u306b\u4f55\u3089\u304b\u306e\u610f\u5473\u3067\u5f79\u7acb\u3064\u3082\u306e\u3067\u3042\u308b\u3053\u3068\uff0e<\/li>\n<li>\u4fe1\u983c\u6027\uff1a\u8ad6\u6587\u306e\u5185\u5bb9\u304c\u8aad\u8005\u304b\u3089\u898b\u3066\u4fe1\u983c\u306e\u304a\u3051\u308b\u3082\u306e\u3067\u3042\u308b\u3053\u3068\uff0e<\/li>\n<li>\u4e86\u89e3\u6027\uff1a\u8ad6\u65e8\u306e\u5c55\u958b\u304c\u5341\u5206\u7406\u89e3\u3057\u3084\u3059\u304f\u3001\u9806\u5e8f\u7acb\u3066\u3066\u660e\u77ad\u306b\u8a18\u8ff0\u3057\u3066\u3042\u308b\u3053\u3068\uff0e<\/li>\n<\/ul>\n<p>\u3053\u306e\u3046\u3061\uff0c\u4fe1\u983c\u6027\u3068\u4e86\u89e3\u6027\u306b\u3064\u3044\u3066\u306f\u30c6\u30fc\u30de\u306b\u95a2\u308f\u3089\u305a\u9811\u5f35\u308c\u3070\u8cea\u3092\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u305d\u3046\uff0e<br \/>\n\u3057\u304b\u3057\uff0c\u65b0\u898f\u6027\u306b\u95a2\u3057\u3066\u306f\u300c\u65e2\u306b\u5b9f\u7528\u5316\u3055\u308c\u3066\u304a\u308a\uff0c\u7279\u8a31\u3082\u51fa\u9858\u3055\u308c\u3066\u3044\u308b\uff0e\u4f7f\u308f\u308c\u3066\u3044\u306a\u3044\u306e\u306f\u7279\u8a31\u6599\u306e\u554f\u984c\uff0e\u300d\u3068\u306e\u3053\u3068\u3067\uff0c\u8eca\u8f2a\u306e\u518d\u767a\u660e\u3068\u306a\u308a\u305d\u3046\uff0e\u3053\u308c\u306f\u3042\u307e\u308a\u597d\u307e\u3057\u304f\u306a\u3044\uff0e<br \/>\n\u307e\u305f\uff0c\u6709\u52b9\u6027\u306b\u95a2\u3057\u3066\u3082\u5c04\u5f71\u5ea7\u6a19\u3092\u7528\u3044\u305fMontgomery\u66f2\u7dda\u3067\u306fdouble and add\u3084Straus&#8217;s algorithm\u304c\u4f7f\u3048\u306a\u3044\u305f\u3081\uff0c\u901f\u5ea6\u3067\u5f35\u308a\u5408\u3046\u306e\u306f\u53b3\u3057\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u611f\u3058\u305f\uff0e\u4ed6\u306b\u3082\u306a\u306b\u304b\u4e00\u5de5\u592b\u52a0\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u304b\u3068\u8003\u3048\u305f\u304c\uff0c\u7279\u306b\u4f55\u3082\u601d\u3044\u3064\u304b\u306a\u304b\u3063\u305f\uff0e\u305d\u3082\u305d\u3082Montgomery\u66f2\u7dda\u3092\u7528\u3044\u305f\u3060\u3051\u3067\u9ad8\u901f\u306b\u306a\u308b\u306a\u3089\uff0c\u4e16\u306e\u4e2d\u3067\u306f\u305d\u3061\u3089\u306e\u65b9\u304c\u4e3b\u6d41\u3068\u306a\u308b\u306f\u305a&#8230;\uff0e\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u653b\u6483\u306b\u95a2\u3057\u3066\u3082\uff0c\u30d0\u30a4\u30ca\u30ea\u6cd5\u306fk\u306e\u30d3\u30c3\u30c8\u304c1\u306e\u3068\u304d\u306b\u52a0\u7b97\u304c\u5fc5\u8981\u3068\u306a\u308a\u6d88\u8cbb\u96fb\u529b\u306a\u3069\u306e\u30d1\u30bf\u30fc\u30f3\u304b\u3089k\u304c\u63a8\u6e2c\u3067\u304d\u308b\u306f\u305a\u3067\u3042\u3063\u305f\u304c\uff0cARM\u304c<a href=\"https:\/\/www.arm.com\/news\/2018\/05\/new-arm-ip-helps-protect-iot-devices-from-increasingly-prevalent-physical-threats?_ga=2.112649347.608456809.1529770576-148456055.1529770576\">\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u653b\u6483\u306b\u8010\u6027\u3092\u6301\u3064\u30d7\u30ed\u30bb\u30c3\u30b5IP<\/a>\u3092\u51fa\u3059\u306a\u3069\u30b5\u30a4\u30c9\u30c1\u30e3\u30cd\u30eb\u653b\u6483\u306b\u8010\u6027\u3092\u6301\u3064\u3082\u306e\u304c\u5897\u3048\uff0cMontgomery ladder\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u3082\u8584\u308c\u3066\u304d\u3066\u3044\u308b\uff0e<br \/>\n&nbsp;<br 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\u305d\u308c\u3092\u6697\u53f7\u5316\u3057\u305f\u5f8c\u306bUSB\u3067PC\u5074\u306b\u9001\u3063\u3066\u3044\u305f\uff0e\u3057\u304b\u3057\uff0c\u76f4\u63a5\u30ad\u30fc\u30de\u30c8\u30ea\u30af\u30b9\u304b\u3089\u30ad\u30fc\u5165\u529b\u3092\u53d7\u3051\u53d6\u308a\u305f\u3044\uff0e<\/li>\n<li>PC\u4e0a\u306e\u5fa9\u53f7\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u30c7\u30d0\u30a4\u30b9\u30c9\u30e9\u30a4\u30d0\u3068\u3057\u3066\u66f8\u304d\u76f4\u3057\u305f\u3044\uff0e\u7121\u7406\u3067\u3042\u308c\u3070\u901a\u5e38\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u4f5c\u6210\u3057\uff0c\u8d77\u52d5\u6642\u306b\u7acb\u3061\u4e0a\u304c\u308b\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u767b\u9332\u3059\u308b\uff0e<\/li>\n<li>\u56de\u8def\u306e\u5c0f\u578b\u5316\u3092\u884c\u3044\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u7b50\u4f53\u5185\u306b\u53ce\u307e\u308b\u3088\u3046\u306b\u3059\u308b\uff0e<\/li>\n<\/ul>\n<p>&nbsp;<br \/>\n\u4eca\u5f8c\u306f\u9662\u8a66\u306e\u52c9\u5f37\u3092\u884c\u3044\u3064\u3064\uff0c\u307b\u3069\u307b\u3069\u306b\u5352\u7814\u3092\u9032\u3081\u308b\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30bf\u30a4\u30c8\u30eb\u306e\u901a\u308a\uff0c\u5352\u696d\u7814\u7a76\u306e\u30c6\u30fc\u30de\u3092\u5909\u3048\u307e\u3059\uff0e<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-423","post","type-post","status-publish","format-standard","hentry","category-4"],"_links":{"self":[{"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/posts\/423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/comments?post=423"}],"version-history":[{"count":0,"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/posts\/423\/revisions"}],"wp:attachment":[{"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/media?parent=423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/categories?post=423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/p-0.me\/b\/wp-json\/wp\/v2\/tags?post=423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}