Background Public Key Pinning is a mechanism for sites to specify which certificate authorities have issued valid certs for that site, and for user-agents to reject TLS connections to those sites if the certificate is not issued by a known-good CA. Public key pinning prevents man-in-the-middle attacks due to rogue CAs not on the site's list (see the Diginotar attack which Chrome detected and we di
Public Key Pinning helps ensure that people are connecting to the sites they intend. Pinning allows site operators to specify which certificate authorities (CAs) issue valid certificates for them, rather than accepting any one of the hundreds of built-in root certificates that ship with Firefox. If any certificate in the verified certificate chain corresponds to one of the known good certificates,
先日のエントリー 「TLSとSPDYの間でGoogle Chromeがハマった脆弱性(CVE-2014-3166の解説)」で予告した通り、今回不正なSSL証明書を見破る Public Key Pinningの機能について解説します。 Public Key Pinning は2種類の方法があります。あらかじめブラウザーのソースコードに公開鍵情報を埋め込む Pre-loaded public key pinning と、サーバからHTTPヘッダでブラウザに公開鍵情報を通知するHTTP-based public key pinning (HPKP)の2つです。 Chromeは既に両者の機能を実装済ですが、ちょうど近日リリースされる Firefox 32 の Stable バージョンから Pre-loaded public key pinning が実装されました。Firefox32リリース記念と
This is an archived page. It's not actively maintained. In older versions of Firefox for desktop, the entire browser ran within a single operating system process. Specifically, the JavaScript that ran the browser UI (also known as "chrome code") and the JavaScript that ran within web pages (also known as "content" or "web content") were not separated. Currently, the latest versions of Firefox run
The HTML5 <video> element makes embedding videos into your site as easy as embedding images. And since all major browsers support <video> since 2011, it’s also the most reliable way to get your moving pictures seen by people. A more recent addition to the HTML5 family is the <track> element. It’s a sub-element of <video>, intended to make the video timeline more accessible. Its main use case is ad
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