#TG:HACK2019 In one of my classes, some students were sending notes back and forth. I confiscated one of the notes, but it only contained this: vyLlwWSY1PCK5ELNTPUVdpl8z0rIXiB2+Ybcu/BeXidR3MEiym852HCkS6wHVCr+CdpP6Moe9VQUeFcyq3vZDpVK/orl+8v…

#0CTF_Quals_2021 minusとplusとplusplusがある。Generator1, 3はz3で解けるがGenerator2はそうはいかず、難しい LFSR NLFSR KDF Fast Correlation Attack https://rkm0959.tistory.com/228 https://github.com/M0urn3r/My-Public-CTF-Challenges#zer0lfsr++…