{"description":"M\u7cfb\u5217\u4e71\u6570\u3092\u4f5c\u3063\u3066\u307f\u305f\u3002 M\u7cfb\u5217\u4e71\u6570\u306f\u3001R(n) = R(n-p) xor R(n-q)\u306e\u6f38\u5316\u5f0f\u3067\u4f5c\u308c\u308b\u3002 \u3068\u8a00\u3063\u3066\u3082\u6700\u521d\u304c\u5fc5\u8981\u306a\u306e\u3067\u3001\u65e2\u5b58\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e71\u6570\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002n\u3092\uff11\u500b\u305a\u3064\u9032\u3081\u306a\u304c\u3089xor\u3067\u8a08\u7b97\u3057\u3066\u3044\u304f\u3002n\u306e\u4f59\u308a\u3092\u53d6\u3063\u3066\u3044\u3051\u3070\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u5897\u3084\u3059\u5fc5\u8981\u306f\u306a\u3044\u306e\u3067\u30f4\u30a7\u30af\u30bf\u3092\u4f7f\u3063\u3066\u7834\u58ca\u7684\u306b\u66f4\u65b0\u3057\u3066\u3044\u304f\u4e8b\u306b\u3059\u308b\u3002 \u52d5\u4f5c\u304c\u78ba\u8a8d\u3057\u3084\u3059\u3044\u3088\u3046\u306b\u30012\u756a\u76ee\u306b\u5c0f\u3055\u3044\u30e1\u30eb\u30bb\u30f3\u30cc\u7d20\u6570M(3)=2^3 - 1=7\u3092\u4f7f\u7528\u3057\u3066\u3001\u64ec\u4f3c\u4e71\u6570\u3092\u4f5c\u3063\u3066\u307f\u307e\u3059\u3002\u30c6\u30fc\u30d6\u30eb\u6570p\u306b\u5bfe\u3057\u3066\u30012^p-1\u3068\u3044\u3046\u5468\u671f\u304c\u51fa\u6765\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 Gauche\u3067xor\u3059\u308b\u6642\u306flogxor\u304b\u306a\u3002\u51e6\u7406\u7cfb\u306b\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20080423%2F1208914821\" title=\" M\u7cfb\u5217\u4e71\u6570\u3092\u4f5c\u3063\u3066\u307f\u305f\u3002 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" M\u7cfb\u5217\u4e71\u6570\u3092\u4f5c\u3063\u3066\u307f\u305f\u3002","provider_url":"https://hatena.blog","type":"rich","height":"190","width":"100%","url":"https://boxnos.hatenablog.com/entry/20080423/1208914821","categories":["Scheme"],"published":"2008-04-23 10:40:21","author_name":"tanakaBox","blog_url":"https://boxnos.hatenablog.com/","version":"1.0","provider_name":"Hatena Blog","blog_title":"\u30dc\u30af\u30ce\u30b9","author_url":"https://blog.hatena.ne.jp/tanakaBox/","image_url":null}