Tag: tea

Boston Key Party CTF – Differential Power (Crypto 400)

we hooked up a power meter to this encryption box. we don’t know the key. that’s what we want to know. you can encrypt any string of 8 characters on the service http://54.218.22.41:6969/string_to_encrypt encrypt.asm chall source (released after ctf)

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Hack.lu 2012 CTF Challenge #25 (200)

Heading up the steeple gave you and your companion a nice view over the outbreak situation in your city. But it also attracted a lot of unwanted attention. Zombies are surrounding your spot and are looking for an entrance to the building. You obviously need some bait to lure them away so you can flee …

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