Jun
02

PHD CTF 2013 Hackskell (500)

We’ve got a screenshot of some encryption, here’s the text transcribed. Please say what’s there. Summary: a couple of modular equations

Jun
02

PHD CTF 2013 ReStART (400)

We heard hellman encrypted the flag using his super secure keygen. Break it! Summary: RSA with the lower half of the secret exponent bits leaked.