{"author_url":"https://blog.hatena.ne.jp/techmedia-think/","author_name":"techmedia-think","description":"\u6700\u8fd1\u306eECDSA\u306e\u95be\u5024\u7f72\u540d\u306e\u30da\u30fc\u30d1\u30fc\u8aad\u3093\u3067\u305f\u3089\u3001\u307e\u305aSPDZ\uff08\u30b9\u30d4\u30fc\u30ba\uff09\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046\u3060\u3063\u305f\u306e\u3067\u3001\u79d8\u5bc6\u5206\u6563\u30d9\u30fc\u30b9\u306eMPC\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308bSPDZ\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u3066\u307f\u308b\u3002 \u79d8\u5bc6\u5206\u6563\u3068\u306f\uff1f \u3042\u308b\u8981\u7d20a\u3092\u6301\u3063\u3066\u3044\u305f\u5834\u5408\u3001\u305d\u308c\u3092a = a1 + a2\u3068\u3044\u3046\u95a2\u4fc2\u3092\u6e80\u305f\u3059\u3088\u3046\u30e9\u30f3\u30c0\u30e0\u306b\u5206\u5272\u3059\u308b\u3002\u305d\u3057\u3066a1\u3092A\u3055\u3093\u306b\u3001a2\u3092B\u3055\u3093\u306b\u4e0e\u3048\u308b\u3002A\u3055\u3093\u3082B\u3055\u3093\u3082a\u306e\u5024\u81ea\u4f53\u306b\u3064\u3044\u3066\u306f\u77e5\u3089\u306a\u3044\u304c\u3001\u5354\u529b\u3057\u3066\u5024\u3092\u5408\u7b97\u3059\u308c\u3070a\u304c\u5206\u304b\u308b\u3002\u3053\u306e\u6642\u5206\u5272\u3055\u308c\u305f\u65ad\u7247a1\u3084a2\u3092\u30b7\u30a7\u30a2\u3068\u547c\u3073\u3001\u30b7\u30a7\u30a2\u3092\u96c6\u3081\u308b\u3068\u5143\u306e\u79d8\u5bc6\u306e\u5024\u304c\u5206\u304b\u308b\u4ed5\u7d44\u307f\u3092\u79d8\u5bc6\u5206\u6563\u3068\u547c\u3076\u3002 \u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u5024\u3092\u30b7\u30a7\u30a2\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u3063\u3066\u3001\u2191\u2026","blog_url":"https://techmedia-think.hatenablog.com/","image_url":"https://cdn.blog.st-hatena.com/images/theme/og-image-1500.png","width":"100%","height":"190","categories":["\u79d8\u5bc6\u5206\u6563","MPC"],"blog_title":"Develop with pleasure!","provider_url":"https://hatena.blog","url":"https://techmedia-think.hatenablog.com/entry/2020/04/09/231951","version":"1.0","published":"2020-04-09 23:19:51","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftechmedia-think.hatenablog.com%2Fentry%2F2020%2F04%2F09%2F231951\" title=\"\u79d8\u5bc6\u5206\u6563\u30d9\u30fc\u30b9\u306eMPC\u30d7\u30ed\u30c8\u30b3\u30ebSPDZ - Develop with pleasure!\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","title":"\u79d8\u5bc6\u5206\u6563\u30d9\u30fc\u30b9\u306eMPC\u30d7\u30ed\u30c8\u30b3\u30ebSPDZ","type":"rich"}