{"author_url":"https://blog.hatena.ne.jp/itsec/","title":"\u6b63\u3057\u3044\u30cf\u30c3\u30b7\u30e5\u5316","description":"\u3053\u3093\u3070\u3093\u308f\uff01\uff01 kouta\u3067\u3059\uff01\uff01 \u672c\u65e5\u306f\u6b63\u3057\u3044\u30cf\u30c3\u30b7\u30e5\u5316\u306b\u3064\u3044\u3066\u3067\u3059\u3002 \u305d\u306e\u524d\u306b\u3002\u3002\u3002 SHA1\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3064\u3044\u3066\u3067\u3059\u304c\u3001 \u885d\u7a81\u304c\u898b\u3064\u304b\u3063\u305f\u3088\u3046\u3067\u3059\u3002 \u8ad6\u7406\u7684\u306b\u306f\u6614\u304b\u3089\u3042\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3002\u3002\u3002 https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html?m=1 \u885d\u7a81\u3068\u3044\u3046\u306e\u306f\u3001\u9055\u3046\u5024\u3067\u3082\u30cf\u30c3\u30b7\u30e5\u5316\u5f8c\u306e\u5024\u304c\u4e00\u81f4\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002 \u306a\u3093\u304b\u30cd\u30c3\u30c8\u3067\u898b\u3066\u308b\u3068 \u81a8\u5927\u306a\u65bd\u884c\u304c\u5fc5\u8981\u306a\u306e\u3067\u5dee\u3057\u8feb\u3063\u305f\u5bfe\u5fdc\u306f\u5fc5\u8981\u306a\u3044\u3002 \u7684\u306a\u8a18\u4e8b\u3082\u3042\u308a\u307e\u3057\u305f\u3002 \u78ba\u304b\u306b\u3002\u3002\u3002 9,223,372,036,854,775,808\u2026","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fitsec.hateblo.jp%2Fentry%2F2017%2F02%2F26%2F233729\" title=\"\u6b63\u3057\u3044\u30cf\u30c3\u30b7\u30e5\u5316 - \u60c5\u5831\u51e6\u7406\u3000\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"itsec","url":"https://itsec.hateblo.jp/entry/2017/02/26/233729","blog_url":"https://itsec.hateblo.jp/","blog_title":"\u60c5\u5831\u51e6\u7406\u3000\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d6\u30ed\u30b0","image_url":null,"published":"2017-02-26 23:37:29","type":"rich","provider_url":"https://hatena.blog","height":"190","width":"100%","provider_name":"Hatena Blog","categories":[]}