Tag: base64

IFSF CTF Small Challenges (#4, #5, #6, #14, #15)

Contents #4 ER #5 Change #6 Call me #14 Seek me #15 Embedded docs

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hack.lu CTF 2011 Simplexor (200)

Category: crypto To get a better security we deceided to encrypt our most secret document with the secure xor-algorithm. Unfortunately we lost the key. Now we are sad. Can you help us recovering the key? Download Summary: recovering multibyte xor-key, using autocorrelation

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Codegate CTF 2011 Crypto 400

The attacker got a secret! File Summary: Padding oracle attack analysis

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