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2 votes
3 answers
1k views

How to prevent someone clone PIC [closed]

ACT 1 Okay I know there is code protection system on PIC. But it is preventing someone read the code, not copy. It looks still easy to clone and run on another circuit. Can you suggest another ...
Eren's user avatar
  • 21
7 votes
3 answers
3k views

securely storing and using keys in an embedded system

I'm using a microprocessor - PIC32MZ2048efm144 MCU that receives commands encrypted with a specific key, decrypts them and executes the command. The encrypted commands are stored offline, so I cannot ...
Sonja's user avatar
  • 77
5 votes
3 answers
455 views

Large exponentials and 8-bit PIC processors

Does anyone know if 8-bit (PIC) processors could typically handle large exponentials, e.g., 5^15 mod 23, with a reasonable speed? Does doing so result in more ...
Kar's user avatar
  • 1,557