Re: [tpmdd-devel] [PATCH v6 2/2] tpm: enhance TPM 2.0 PCR extend to, support multiple banks

2017-01-30 Thread Nayna
On 01/26/2017 03:41 AM, Ken Goldman wrote: The current TPM 2.0 device driver extends only the SHA1 PCR bank but the TCG Specification[1] recommends extending all active PCR banks, to prevent malicious users from setting unused PCR banks with fake measurements and quoting them. The existing in-

[tpmdd-devel] [PATCH v6 2/2] tpm: enhance TPM 2.0 PCR extend to,support multiple banks

2017-01-25 Thread Ken Goldman
The current TPM 2.0 device driver extends only the SHA1 PCR bank but the TCG Specification[1] recommends extending all active PCR banks, to prevent malicious users from setting unused PCR banks with fake measurements and quoting them. The existing in-kernel interface(tpm_pcr_extend()) expects onl