On 3/8/2017 4:58 AM, Roberto Sassu wrote: > > Regarding modifying the digest before it is passed to the extend > function, can truncating/padding with zeros be considered > a standard? If not, verifiers have to look at the software > implementation, in order to find how the digest was modified. > I add in CC tpmdd-devel@lists.sourceforge.net also here.
It's not a TCG standard, just a way of making sure the unused PCR bank doesn't remain at zero, permitting forged measurements. As for the verifier, I ignore the bank I'm not interested in. I don't verify the truncated/padded bank. ------------------------------------------------------------------------------ Announcing the Oxford Dictionaries API! The API offers world-renowned dictionary content that is easy and intuitive to access. Sign up for an account today to start using our lexical data to power your apps and projects. Get started today and enter our developer competition. http://sdm.link/oxford _______________________________________________ tpmdd-devel mailing list tpmdd-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tpmdd-devel