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  • Keybase To OpenPGP To OpenSSH

    My laptop’s hard disk crashed last week. This is a one year old machine and I never expected the hard drive to go bust so soon. I know that this is my fault because I did hard shutdown my laptop everyday at least 4 times for the last few weeks....

  • First Lecture Delivered (and a small bug in gh-pages?)

    A couple of weeks ago I delivered a hands-on lecture on python basics to freshmen in SDSLabs. This lecture was a part of the lecture series we have here to get people up and running with essential tech. This was the first time I delivered a lecture and it wasn’t...

  • Writeup -- 2013-CRYPTO-400 Backdoor --

    This post comes at a very disturbing time - night before electromagnetism midterm exam. I am not sure why I am doing this but I feel a very strong compulsion. This is probably because I have drowned myself in books for the last 3 days without much rest. Still, preparation...

  • 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...

  • 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...