Add RACTF page

cr0wnctf · Jun 10, 2020 · f80a467 · f80a467
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diff --git a/_posts/2020-06-09-ractf-classical-ciphers.markdown b/_posts/2020-06-09-ractf-classical-ciphers.markdown
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+---
+title: "RACTF 2020"
+date: 2020-06-09
+categories: [writeup]
+tags: [writeups, crypto]
+---
+
+This weekend, cr0wn competed in [Really Awesome CTF](https://ctftime.org/event/1051), hosted by our fellow British CTF enthusiasts. Ultimately we took first place:
+
+![RACTF leaderboard](/images/ractf/leaderboard.png)
+
+### Classical Cipher 
+
+Video walkthrough of challenges 01-06, showing how to use cipher statistics, index of coincidence and CryptoCrack to identify and solve classical ciphers:
+
+<iframe width="560" height="315" src="https://www.youtube.com/embed/9Q5Q1Nn5Vss" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
diff --git a/images/ractf/leaderboard.png b/images/ractf/leaderboard.png