September 2024
Intermediate to advanced
408 pages
7h 29m
English
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12 PIC18F452 ICSP and HID
Back in 2010, there was a lot of interest in exploiting RFID tags that hold symmetric keys. The cards themselves were reasonably well protected from memory extraction, and keys might be unique to each customer’s installation, so researchers would instead attack the readers. These readers often used commodity microcontrollers and trusted their readout protection to keep the symmetric keys safe.
In this chapter, we’ll cover two such exploits that were used to extract keys from HID iClass readers. Both of them exploit nuances in ICSP, Microchip’s in circuit serial programming standard. The first, published at 27C3 as Meriac (2010), involves erasing a protected page of flash memory over ICSP and replacing it with shellcode ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.