@AndreaBarisani I'd like the dojo material so I can take the piss on @dragosr & TZ DMA, thanks ;)
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Replying to @cynicalsecurity
@cynicalsecurity@AndreaBarisani Arrigo you need to go to http://infocenter.arm.com :-P Trying to identify display read access security state.2 replies 0 retweets 0 likes -
Replying to @dragosr
@dragosr@cynicalsecurity no, u need to understand that VPU is a peripheral and http://arm.com info and/or MMU play no role here ;)1 reply 0 retweets 0 likes -
Replying to @AndreaBarisani
@AndreaBarisani@cynicalsecurity well if you are certain there are no unexpected ways you can use the display processing tables and DMA...2 replies 0 retweets 0 likes -
Replying to @dragosr
@dragosr@cynicalsecurity we spent months hammering this thing while making the USB armory and the dojo, it is really not that simple1 reply 0 retweets 0 likes -
Replying to @AndreaBarisani
@AndreaBarisani@cynicalsecurity never called this simple. Saw not very well documented microcode with DMA and got curious. Still am.1 reply 1 retweet 0 likes -
Replying to @dragosr
@dragosr@cynicalsecurity you are going to love the SDMA core then2 replies 0 retweets 0 likes -
Replying to @AndreaBarisani
@AndreaBarisani@cynicalsecurity not sure if "love" is exactly the right word, ;-P but thanks very much for pointing this out.1 reply 0 retweets 1 like -
Replying to @dragosr
@dragosr@cynicalsecurity this component is still safely isolated by TZ btw, despite its capabilities1 reply 0 retweets 1 like -
Replying to @AndreaBarisani
@AndreaBarisani got that, tho these kinds of components can still present "challenging" functionality for underlying client OS security1 reply 0 retweets 0 likes
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