<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>CTF (Capture the Flag) on Henrik Selje Bygnes</title><link>https://henriksb.com/cyber_hacking/capture-the-flag/</link><description>Recent content in CTF (Capture the Flag) on Henrik Selje Bygnes</description><generator>Hugo -- gohugo.io</generator><language>en</language><managingEditor>henriksb@pm.me (Henrik Selje Bygnes)</managingEditor><webMaster>henriksb@pm.me (Henrik Selje Bygnes)</webMaster><copyright>Copyright 2026 Henrik Selje Bygnes</copyright><lastBuildDate>Fri, 24 Jul 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://henriksb.com/cyber_hacking/capture-the-flag/index.xml" rel="self" type="application/rss+xml"/><item><title>Predictable Random</title><link>https://henriksb.com/cyber_hacking/capture-the-flag/predictable-random/</link><pubDate>Mon, 01 Jul 2024 00:00:00 +0000</pubDate><author>henriksb@pm.me (Henrik Selje Bygnes)</author><guid>https://henriksb.com/cyber_hacking/capture-the-flag/predictable-random/</guid><description>A 1753CTF solve showing why ordinary PRNGs are useful but wrong for secrets, how a predictable seed breaks XOR encryption, and what CSPRNGs do differently.</description></item></channel></rss>