{"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","description":"2020\u5e74 3/14(\u571f)9:00 - 3/19(\u6728)9:00 JST \u3067\u958b\u50ac\u3055\u308c\u305f\u3001\u00e5ngstromCTF\u306eCrypto\u5206\u91ce\u306ewriteup\u3067\u3059\u3002CTF Times\u306f\u3053\u3061\u3089\u3002 \u4ed6\u306e\u5206\u91ce\u306ewriteup, \u6226\u7e3e\u306f\u3053\u3061\u3089\u3002 kusuwada.hatenablog.com [Crypto] Keysar Hey! My friend sent me a message... He said encrypted it with the key ANGSTROMCTF. He mumbled what cipher he used, but I think I have a clue. Gotta g\u2026","categories":["CTF","angstromCTF"],"version":"1.0","width":"100%","published":"2020-03-19 09:44:14","author_url":"https://blog.hatena.ne.jp/kusuwada/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftech.kusuwada.com%2Fentry%2F2020%2F03%2F19%2F094414\" title=\"\u00e5ngstromCTF 2020 Crypto \u306e writeup - \u597d\u5947\u5fc3\u306e\u8db3\u8de1\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/k/kusuwada/20200319/20200319093857.png","blog_title":"\u597d\u5947\u5fc3\u306e\u8db3\u8de1","author_name":"kusuwada","url":"https://tech.kusuwada.com/entry/2020/03/19/094414","title":"\u00e5ngstromCTF 2020 Crypto \u306e writeup","blog_url":"https://tech.kusuwada.com/","type":"rich","height":"190"}