Re: [tboot-devel] TBOOT Locality

2014-07-29 Thread Justin King-Lacroix
Hi Srujan, I'll start by saying that I don't know the exact answer to your question regarding TPM localities and how they're used. However, there are a couple of other things worth mentioning that you might find useful. First off, I'll point you to tboot's README.gz, which details the two built-i

Re: [tboot-devel] TBOOT Locality

2014-07-29 Thread Justin King-Lacroix
Amend that, locality 4 is also used by tboot, after SENTER has run. J On 30 July 2014 11:29, Justin King-Lacroix wrote: > Hi Srujan, > > I'll start by saying that I don't know the exact answer to your question > regarding TPM localities and how they're used. However, there are a couple > of ot

[tboot-devel] TBOOT Locality

2014-07-28 Thread Srujan Kotikela
Hi, I'm trying to understand how tboot based measured launch system fits into TPM localities. So far I understand that SINIT is extended to PCR 17 by the hardware, TBOOT is extended to PCR 18 (by SINIT), and the kernel (Linux/xen) is extended to 19 (by TBOOT). Correct me if I am wrong and what loc