Login as admin and get the flag1. mmaddress.7z Summary: breaking HMAC-CRC512
Tag: 2015
May 27
CONFidence CTF 2015 – RSA2 (Crypto 500)
Find the flag data Summary: cube attack + recover python’s MersenneTwister state + leak 320/520 LSBs of one of the primes
May 04
VolgaCTF Quals 2015 – CPKC (Crypto 400) writeup
cpkc A home-brewed cryptosystem, should be easy to break. Its keyspace seems to be rather large though… challenge.tar Summary: LLL-based attack on NTRUEncrypt-like cryptosystem.