{"width":"100%","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2025%2F11%2F26%2F234721\" title=\"CTF\u306eCrypto\u306b\u304a\u3051\u308b\u7d30\u304b\u306a\u8a71\u984c\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>","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","height":"190","published":"2025-11-26 23:47:21","url":"https://blog.hamayanhamayan.com/entry/2025/11/26/234721","categories":["Security"],"description":"CTF\u306b\u304a\u3051\u308bCrypto\u5165\u9580\u3068\u307e\u3068\u3081\u306e1\u3064\u3067\u3059\u3002 \u305d\u306e\u4ed6\u306e\u89e3\u6cd5\u65b9\u91dd \u30c4\u30fc\u30eb \u305d\u306e\u4ed6\u306e\u89e3\u6cd5\u65b9\u91dd \u4e2d\u9593\u4e00\u81f4\u653b\u6483 Meet-in-the-middle attack https://ja.wikipedia.org/wiki/%E4%B8%AD%E9%96%93%E4%B8%80%E8%87%B4%E6%94%BB%E6%92%83 \u7af6\u30d7\u30ed\u3067\u534a\u5206\u5168\u5217\u6319\u3068\u8a00\u308f\u308c\u308b\u89e3\u6cd5\u306f\u3001\u305d\u3046\u306f\u547c\u3070\u308c\u305aMitM\u3068\u547c\u3070\u308c\u3066\u308b\u96f0\u56f2\u6c17\u304c\u3042\u308b LINE CTF 2022 crypto challenges writeup - \u3075\u308b\u3064\u304d 1337UP LIVE CTF - kRSA https://ctftime.org/ta\u2026","blog_url":"https://blog.hamayanhamayan.com/","image_url":null,"version":"1.0","provider_name":"Hatena Blog","author_name":"hamayanhamayan","title":"CTF\u306eCrypto\u306b\u304a\u3051\u308b\u7d30\u304b\u306a\u8a71\u984c\u307e\u3068\u3081","type":"rich"}