{"type":"rich","provider_name":"Hatena Blog","categories":["CTF"],"version":"1.0","url":"https://ptr-yudai.hatenablog.com/entry/2018/08/28/205129","title":"Length Extension Attack\u306e\u539f\u7406\u3068\u5b9f\u88c5","blog_title":"CTF\u3059\u308b\u305e","description":"\u306f\u3058\u3081\u306b \u3092md5\u3084sha1\u306a\u3069\u306e\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3068\u3057\u305f\u3068\u304d\uff0c\u304b\u3089\u3092\u6c42\u3081\u308b\u653b\u6483\u3092Length Extension Attack\u3068\u547c\u3073\u307e\u3059\uff0e \u3053\u306e\u8a18\u4e8b\u3067\u306f\u5148\u65e5\u306e\u7814\u7a76\u5ba4\u5185\u3067\u958b\u3044\u305fCTF\u3067\u51fa\u984c\u3057\u305f\u554f\u984c\u3092\u4f8b\u306b\uff0cLength Extension Attack\u306e\u539f\u7406\u3068\u4f7f\u3044\u65b9\u3092\u8aac\u660e\u3059\u308b\u3068\u3068\u3082\u306b\uff0cPython\u306b\u3088\u308b\u5b9f\u88c5\u3092\u516c\u958b\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\uff0e Length Extension Attack\u306e\u539f\u7406 \u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u306f\u5165\u529b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3044\u304f\u3064\u304b\u306e\u30d6\u30ed\u30c3\u30af\u306b\u5206\u3051\u3066\uff0c4\u30d6\u30ed\u30c3\u30af\u3054\u3068\u306b\u51e6\u7406\u3057\u307e\u3059\uff0e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30d6\u30ed\u30c3\u30af\u6570\u304c4\u306e\u500d\u6570\u3067\u306a\u3044\u3068\u304d\u306f\uff0c\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6700\u5f8c\u306b\u9069\u5f53\u306a\u30d1\u30c7\u30a3\u30f3\u30b0\u304c\u4ed8\u3051\u8db3\u3055\u308c\uff0c4\u30d6\u30ed\u30c3\u30af\u3054\u3068\u306b\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u3055\u308c\u307e\u3059\u2026","height":"190","author_name":"ptr-yudai","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2018%2F08%2F28%2F205129\" title=\"Length Extension Attack\u306e\u539f\u7406\u3068\u5b9f\u88c5 - CTF\u3059\u308b\u305e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","provider_url":"https://hatena.blog","published":"2018-08-28 20:51:29","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","image_url":"https://chart.apis.google.com/chart?cht=tx&chl=%7BH%7D","blog_url":"https://ptr-yudai.hatenablog.com/"}