hi, my question is related to this hash i see in tspi_seal.c and in the TPM
specifications:
I was looking at the TPM main Part 3 TPM Commands document obtained from
here:
http://www.trustedcomputinggroup.org/files/resource_files/646B5D4D-1D09-3519-AD21C36DEA87B4B8/tpmwg-mainrev62_Part3_Commands.pdf
page 56-57 or so. the first column (reads PARAM) states what parameters are
expected to be sent to the TPM, and the second column (reads HMAC) and i
guess some of the parameters need to be hashed according to the
specifications. Qn#1: sometimes it states what does the "2H1", "1S", "2S"
etc in the HMAC column mean?
and then i looked at the code in ~/trousers/src/tspi/tspi_seal.c to see what
is being done inside:
i noticed that there was hashing done according to the specs. Qn#2: how is
this hash used later on? Is this hash going to be sent to the TPM in any
way?
thank you - adrian
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