molily Navigation Google’s Accelerated Mobile Pages project (AMP) focuses current conflicts on the web like a lense: The mobile revolution, trustworthy and sustainable journalism, content monetarization and advertising, web standardization, web performance and tech industry monopolies. A lot has been said about AMP. In this post, I won’t explain what AMP is and I won’t reiterate all criticism it d
5/22に開催された第五回Security-JAWSにて登壇させていただきました！ Security-JAWS 【第5回】2017年5月22日(月) - Security-JAWS | Doorkeeper タイトルそのままですが、某社内でAWSを使って社内CTFを開催した際のよもやま話をネタとしてお話しいたしました。 本当は当日投影したスライドとかをそのまま公開したかったのですが、イベント当日の写真とかについてはちょっと諸事情で公開できないので、今回はセッションの中でお話ししたAWSに絡む部分だけをまとめて、私のブログで公開しようかなと思います。 当日のセッションでもお話ししましたが、まずそもそもなんで社内CTFを開催したのかについては、 なんか社内でエンジニアの人に楽しんでもらえるようなイベントとかをやってみたかった セキュリティに興味をもってもらうきっかけ作りとかには丁度いいのかなと
One of the projects that I am exploring at RC, is writing a UNIX shell. This is the first part of a series of posts that will eventually follow. Disclaimer: I am not a subject expert on writing shells and I am sharing my findings as I learn more about this myself. What is a shell? A lot has been written about this, so I will not go into too much detail about the definition. However, in one line -
Green Threads Explained A short and self contained explanation that will guide you through an implementation of user threads. Introduction The x86-64 architecture and ABI Code 0: Foundations Fork me on Github Introduction Green threads or userland threads (depending on your generation) provide high efficiency concurrency in a lot of mainstream languages. To only cite a few, CPython (via external l
In the last couple of months, I've been seeing the ú symbol on British receipts. Why? 1963 - ASCII In the beginning* was ASCII. A standard way for computers to exchange text. ASCII was originally designed with 7 bits - that means 128 possible symbols. That ought to be enough for everyone, right? Wrong! ASCII is the American Code for Information Interchange. It contains a $ symbol, but nothing for
Wikipedia’s Switch to HTTPS Has Successfully Fought Government Censorship “Knowledge is power,” as the old saying goes, so it’s no surprise that Wikipedia—one of the largest repositories of general knowledge ever created—is a frequent target of government censorship around the world. In Turkey, the entire site has been blocked in all languages since April 29; Russia has censored articles about wee
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