{"image_url":null,"provider_name":"Hatena Blog","width":"100%","published":"2008-11-15 02:03:42","author_name":"smoking186","categories":["crypt"],"description":"CRYPTO 2008\u306e\u30e9\u30f3\u30d7\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u8a00\u3063\u3066\u305f\u5974\u306d\u3068\u601d\u3063\u3066\u773a\u3081\u3066\u3044\u305f\u3089\u30a4\u30f3\u30c8\u30ed\u3067\u3073\u3063\u304f\u308a\u3057\u305f. \u63a2\u7d22\u7248LWE\u3068GapSVP\u306e\u5909\u7a2e\u306e\u9593\u306b\u5e30\u7740\u304c\u3042\u3063\u305f\u3089\u3057\u3044 (\u305f\u3060\u3057q\u304c\u3067\u304b\u3044). \u3068\u601d\u3063\u3066\u826f\u304f\u8aad\u3080\u3068GapSVP\u306e\u5909\u7a2e\u306e\u5b9a\u7fa9\u304c\u3048\u3050\u304b\u3063\u305f. \u305d\u308c\u306f\u3042\u308a\u306a\u306e\u304b. IND-CCA2PKE\u306e\u69cb\u6210\u6cd5\u306fRosen and Segev\u306b\u5023\u3063\u3066\u3044\u308b. \u3063\u3066\u3053\u3068\u306fGoldwasser and Vaikuntanathan\u3068\u88ab\u3063\u3066\u3093\u306e\u304b\u3057\u3089\u306d?\u3068\u306f\u8a00\u3048\u8aad\u3080\u6687\u304c\u7121\u3044\u306e\u3067\u3057\u3070\u3089\u304f\u5c01\u5370.","provider_url":"https://hatena.blog","height":"190","type":"rich","url":"https://186.hatenablog.com/entry/20081115/1226682222","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F186.hatenablog.com%2Fentry%2F20081115%2F1226682222\" title=\" Peikert\u306e\u3042\u305f\u3089\u3057\u3044\u306e - 186 @ hatenablog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://186.hatenablog.com/","title":" Peikert\u306e\u3042\u305f\u3089\u3057\u3044\u306e","version":"1.0","author_url":"https://blog.hatena.ne.jp/smoking186/","blog_title":"186 @ hatenablog"}