July 2002
Intermediate to advanced
352 pages
11h 1m
English
book
Trusted Computing Platforms: TCPA Technology in Context
by Siani Pearson, Boris Balacheff, Liqun Chen, David Plaquin, Graeme Proudler
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Platform Configuration Register (PCR)
A platform configuration register is a storage register that is the same length as an SHA-1 digest. It is used to hold a value that summarizes all the measurement results that were presented to it and the order in which those values were presented to it. This storage register has two advantages: an indefinite number of results can be stored in a single register, and no measurement results need to be discarded to make room for new measurement results. This property is important because, otherwise, there would be an upper limit on the number of measurement results that could be stored. Results cannot just be discarded because this allows an unauthenticated rogue to replace proper results with bogus results, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.