a4lg.com

Profile / Biography

Tsukasa Oi at United Arab Emirates

Tsukasa OI (大居 司)

Tsukasa OI (formerly, Tsukasa OOI), born in Japan on 1988, is an information security researcher/engineer.

He is awakened in information security because of a small reason and appeared in public on PacSec 2009 (as a speaker, to save money for trip to Tokyo). He continued research and participated international conferences and tech-con and he was a researcher at a leading security company in Japan for 2011-2014. But because of mental problems he threw the job and now involving information security as an amateur.

The best hope is, having fun, with everyone.

2009
2010
2011
2012
2015
  • Software : ffuzzy++ (Original Developer)
  • Software : ssdeep (Committer)

Physical Publications

You may find some articles in some aliases. Please note that this list includes publications as an employee.

2011-2012
  • Monthly Magazine: Nikkei BP "Nikkei Communication" : Inside Android Security (2011-10 to 2012-03)
2012

Software Contributions

There's no many big contributions but making small patches and proposing issues.

2011
2012
2013
2014
2015
  • ssdeep
    • version 2.13 : Multiple bug fixes (including critical digest comparison issue)
    • version 2.13 : Add support for big files (up to 192GiB)
    • version 2.13 : Remove size limit from stdin

Links

Twitter (Japanese)
@a4lg
Twitter (English)
@a4lg_en
Facebook (inactive)
Tsukasa OI
LinkedIn
Tsukasa OI
GitHub
a4lg

PGP Key

Fingerprint
3EA5 970D 66B0 8B8F 2E17 C80E 4953 BCBB 0B68 AB1A