Adam Norwood

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August 23, 2009

TI-83+ signing key brute forced

Big news for high school hacker nerds everywhere who want to give their graphing calculator’s Z80 processor a better workout than just crunching algebra problems. Also a very good reminder that yesterday’s strong encryption now takes only a small bit of time to crack (in this case, one user with a dual-core Athlon about 75 days to break RSA-512). No, you can’t hide secrets from the future.

Back when I was a young’un, we didn’t have to get around signing keys to run Z80 assembly, just needed to build a serial port interface and a copy of ZShell…

(Also via Make)

Go check it out →

Tagged:

  • assembly
  • calculator
  • encryption
  • hacking
  • high school
  • privacy
  • programming
  • secrecy
  • software
  • texas instruments
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