{"blog_url":"https://yohhoy.hatenadiary.jp/","categories":["C","Windows"],"version":"1.0","height":"190","author_name":"yohhoy","type":"rich","blog_title":"yohhoy\u306e\u65e5\u8a18","image_url":null,"author_url":"https://blog.hatena.ne.jp/yohhoy/","provider_name":"Hatena Blog","width":"100%","title":"\u30d1\u30b9\u30ef\u30fc\u30c9\u3068memset\u95a2\u6570","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20140320%2Fp1\" title=\"\u30d1\u30b9\u30ef\u30fc\u30c9\u3068memset\u95a2\u6570 - yohhoy\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://yohhoy.hatenadiary.jp/entry/20140320/p1","description":"C\u8a00\u8a9e\u30d7\u30ed\u30b0\u30e9\u30e0\u4e0a\u3067\u9ad8\u6a5f\u5bc6\u6027\u60c5\u5831\uff08\u30d1\u30b9\u30ef\u30fc\u30c9\u6587\u5b57\u5217\u306a\u3069\uff09\u3092\u6d88\u53bb\u3059\u308b\u30b1\u30fc\u30b9\u3067\u3001memset\u95a2\u6570\u306e\u5358\u7d14\u5229\u7528\u3067\u306f\u6a5f\u5bc6\u60c5\u5831\u304c\u30e1\u30e2\u30ea\u4e0a\u306b\u6b8b\u5b58\u3057\u3066\u3057\u307e\u3044\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8106\u5f31\u6027\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002 void secure_operation() { // \u30d1\u30b9\u30ef\u30fc\u30c9\u6587\u5b57\u5217\u3092\u53d6\u5f97 char passwd[128]; get_password(passwd, sizeof(passwd)); //... // \u30e1\u30e2\u30ea\u4e0a\u306e\u9ad8\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u6d88\u53bb... memset(passwd, 0, sizeof(passwd)); // ?? } \u4e0a\u8a18\u30b3\u30fc\u30c9\u3067\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u6587\u5b57\u5217\u304c\u683c\u7d0d\u3055\u308c\u305f\u5909\u6570passwd\u3092\u4f7f\u7528\u5f8c\u306b\u30bc\u30ed\u30af\u30ea\u2026","published":"2014-03-20 00:00:00"}