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Writeup -- 2013-CRYPTO-400 Backdoor --
Challenge statement Now, this is an open challenge. h4x0r has created his own encryption algorithm and has decided to challenge all the hackers in the world. He has made the code public here. He challenges you to find the text he has encrypted and promises to reward you handsomely if...
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Working at SDSLabs
Note: This is a crosspost from the SDSLabs blog. This post is a continuation to SDSLabs’ now customary series of posts before the recruitment in January where we write about our experience with lab. It has been 11 months since I joined lab in January and I find it difficult...
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Dockerizing a CTF
Backdoor is a long-lived Capture The Flag style competition run by folks at SDSLabs. For the uninitiated, in Capture The Flag (CTF) style events in network security, participants have to solve questions in various categories like cryptography, web, binary exploitations etc. Backdoor hosts CTFs from time to time having duration...
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Making my own torrent streaming service
Few weeks back Microsoft came to my college for the annual Code.Fun.Do hackathon. I was planning to make an app that extracted text from photographs taken by the phone camera and then does something. The idea had a lot of potential but initial tests were not very successful, primarily because...
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Hello World
Everything starts somewhere, though many physicists disagree. But people have always been dimly aware of the problem with the start of things. They wonder how the snowplough driver gets to work, or how the makers of dictionaries look up the spelling of words. – Terry Pratchett, Hogfather