Metadata

  • alias(es): Xornet (, Hornet, Tenxor)
  • gender: male
  • email: einnotwendigesubel@gmail.com

Education

  • Tokyo Institute of Technology (Physics) (2015/4~)
  • ??? (Information Science) (2021/4~)

Interest

  • Cyber Security
    • Cryptography
    • Binary Exploitation
    • Malware Analysis
  • Number Theory
  • Quantum Algorithm
  • Theory of Computation

CTF

  • Like: Modern Crypto, Pwn
  • Team: ./Vespiary (Founder)

Results

eventresultnotewriteup
ångstromCTF 201933/1374my first CTFlink
InterKosenCTF 20194/91link
TokyoWesterns CTF 5th 201959/1005link
SECCON CTF 2019 Quals37/799国内決勝(Domestic)出場(12/15)
redpwnCTF 202016/1519
ASIS CTF 202031/815
TSG CTF 20207/627
InterKosenCTF 20203/133Perfectlink
TokyoWesterns CTF 6th 202032/648link
DarkCTF10/808
SECCON 2020 Online CTF7/579link
KipodAfterFree CTF 202012/624
pbctf 202010/457link
Harekaze mini CTF 20205/141Perfectlink

Hobby

  • Music(listening)
    • IDM
    • Frenchcore
    • Industrial Hardcore
    • Hard Techno
    • Hi-Tech (very fast psychedelic music)
  • Video Game
    • Puzzle
    • FPS
    • Openworld
    • Sandbox
    • Novel
  • Twitter: Almost Japanese and junk Tweets.
  • old blog: (stop update) Some articles(for example, writeups) will be moved to this blog.
  • Github: I'm not a developer. I sometimes write CTF solutions.
  • HackMD: Archived CTF solutions and some articles about cryptography and mathematics.
  • Steam
  • Discord (Xornet#3895): If you don't send spams, be my friend!!