{"author_name":"hamayanhamayan","categories":["Security"],"title":"CTF\u306eCrypto\u306b\u304a\u3051\u308b\u4e71\u6570\u307e\u3068\u3081","description":"CTF\u306b\u304a\u3051\u308bCrypto\u5165\u9580\u3068\u307e\u3068\u3081\u306e1\u3064\u3067\u3059\u3002 \u4e71\u6570\u5168\u822c LCG, \u7dda\u5f62\u5408\u540c\u6cd5 QCG: Quadratic Congruential Generator, \u4e8c\u6b21\u95a2\u6570\u5408\u540c\u6cd5\uff1f FSR: \u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30b7\u30d5\u30c8\u30ec\u30b8\u30b9\u30bf LFSR \u30e1\u30eb\u30bb\u30f3\u30cc\u30c4\u30a4\u30b9\u30bf\u30fc, Mersenne Twister, MT, MT19937 XorShift \u5b9f\u88c5 \u4e71\u6570\u5168\u822c PRNG: \u7591\u4f3c\u4e71\u6570\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf HRNG: \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u4e71\u6570\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3002\u7269\u7406\u30d7\u30ed\u30bb\u30b9\uff08\u96fb\u5b50\u30ce\u30a4\u30ba\u3001\u653e\u5c04\u6027\u5d29\u58ca\u3001\u71b1\u30ce\u30a4\u30ba\u306a\u3069\uff09\u3092\u5229\u7528\u3057\u3066\u771f\u306e\u4e71\u6570\u3092\u751f\u6210\u3067\u304d\u308b\u5c02\u7528\u30c1\u30c3\u30d7\u3092\u4f7f\u7528\u3059\u308b \u8272\u3005\u306a\u6027\u8cea \u7121\u4f5c\u70ba\u6027\u3001\u30e9\u30f3\u30c0\u30e0\u6027: \u7d71\u8a08\u7684\u504f\u308a\u304c\u306a\u3044 \u4e88\u6e2c\u4e0d\u53ef\u80fd\u6027: \u6570\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2025%2F11%2F26%2F234135\" title=\"CTF\u306eCrypto\u306b\u304a\u3051\u308b\u4e71\u6570\u307e\u3068\u3081 - \u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","provider_name":"Hatena Blog","url":"https://blog.hamayanhamayan.com/entry/2025/11/26/234135","provider_url":"https://hatena.blog","published":"2025-11-26 23:41:35","width":"100%","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","blog_url":"https://blog.hamayanhamayan.com/","image_url":null,"type":"rich","version":"1.0"}