{"height":"190","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","width":"100%","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2025%2F11%2F26%2F233209\" title=\"CTF\u306eCrypto\u306b\u304a\u3051\u308bRSA\u307e\u3068\u3081 [RSA, Coppersmith] - \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>","type":"rich","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","published":"2025-11-26 23:32:09","description":"CTF\u306b\u304a\u3051\u308bCrypto\u5165\u9580\u3068\u307e\u3068\u3081\u306e1\u3064\u3067\u3059\u3002 RSA \u653b\u6483\u624b\u6cd5 n\u306e\u7d20\u56e0\u6570\u5206\u89e3\u304c\u51fa\u6765\u3066\u3057\u307e\u3046 Low Public-Exponent Attack H\u00e5stad's Broadcast Attack\uff08\u540c\u5831\u901a\u4fe1\u3001\u540c\u4e00\u5e73\u6587\u306e\u554f\u984c, Hastad Broadcast Attack\uff09 Common Modulus Attack Wiener's Attack Franklin-Reiter Related Message Attack Fermat's Method Multi-prime RSA: 3\u3064\u4ee5\u4e0a\u306e\u7d20\u56e0\u6570\u304b\u3089\u306a\u308bRSA \u5fa9\u53f7\u5316\u6642\u9593\u3092\u6b63\u78ba\u306b\u53d6\u5f97\u3067\u304d\u308b\u5834\u5408\u306f\u30bf\u30a4\u30df\u30f3\u30b0\u653b\u6483\u304c\u6210\u7acb\u3059\u308b\u304b\u3082 \u2026","categories":["Security"],"title":"CTF\u306eCrypto\u306b\u304a\u3051\u308bRSA\u307e\u3068\u3081 [RSA, Coppersmith]","version":"1.0","blog_url":"https://blog.hamayanhamayan.com/","image_url":null,"author_name":"hamayanhamayan","url":"https://blog.hamayanhamayan.com/entry/2025/11/26/233209"}