Re: [edk2] HMAC calculation clarification for TPM 1.2

2016-04-27 Thread David Van Arnem
before. > > > Best Regards & Thanks, > LONG, Qin > >> -Original Message- >> From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of >> David Van Arnem >> Sent: Wednesday, April 27, 2016 5:57 AM >> To: edk2-devel@lists.01.org &g

Re: [edk2] HMAC calculation clarification for TPM 1.2

2016-04-26 Thread Long, Qin
devel-boun...@lists.01.org] On Behalf Of > David Van Arnem > Sent: Wednesday, April 27, 2016 5:57 AM > To: edk2-devel@lists.01.org > Subject: [edk2] HMAC calculation clarification for TPM 1.2 > > Hi all, > > I don't know if this is the correct place for this question, but I

[edk2] HMAC calculation clarification for TPM 1.2

2016-04-26 Thread David Van Arnem
Hi all, I don't know if this is the correct place for this question, but I'm hoping someone can provide insight. I'm trying to calculate authorization HMACs for authenticated commands with a TPM 1.2 from an EFI application, but I have not been able to get the correct values the TPM expects. The