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Blogs | INSIGHTS | January 22, 2008

Security Mechanism of PIC16C558,620,621,622

Last month we talked about the structure of an AND-gate layed out in Silicon CMOS.  Now, we present to you how this AND gate has been used in Microchip PICs such as PIC16C558, PIC16C620, PIC16C621, PIC16C622, and a variety of others. If you wish to determine if this article relates to a particular PIC you may be in possession of, you can take an windowed OTP part (/JW) and set the lock-bits.  If after 10 minutes in UV, it still says it’s locked, this article applies to your…

IOActive
Blogs | INSIGHTS | December 29, 2007

AND Gates in logic

As we prepare for the New Year, we wanted to leave you with a piece of logic taken out of an older PIC16C series microcontroller. We want you to guess which micro(s) this gate (well the pair of them) would be found in. After the New Year, we’ll right up on the actual micro(s) and give the answer :). An AND gate in logic is basically a high (logic ‘1’) on all inputs to the gate. For our example, we’re discussing the 2 input AND. It should be noted that…

IOActive
Blogs | INSIGHTS | October 26, 2007

Decapsulated devices

Recently at Toorcon9 (www.toorcon.org), some individuals asked to see images of decapsulated parts still in their packages. I dug around and came up with some examples. Click on any of the pictures for a larger version.     Above: Dallas DS89C450     Above: Microchip dsPIC30F6013 Using our proprietary procedures, all parts remain 100% functional with no degradation after exposing the substrate.

IOActive

Arm IDA and Cross Check: Reversing the 787’s Core Network

IOActive has documented detailed attack paths and component vulnerabilities to describe the first plausible, detailed public attack paths to effectively reach the avionics network on a 787, commercial airplane from either non-critical domains, such as Passenger Information and Entertainment Services, or even external networks.

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