Re: [RFC 0/5] add integrity and security to TPM2 transactions

2018-03-12 Thread Jarkko Sakkinen
On Sat, 2018-03-10 at 10:29 -0800, James Bottomley wrote: > OK, you might want to wait for v3 then. I've got it working with > sealed (trusted) keys, well except for a problem with the trusted keys > API that means we can't protect the password for policy based keys. I > think the API is finally

Re: [RFC 0/5] add integrity and security to TPM2 transactions

2018-03-10 Thread James Bottomley
On Sat, 2018-03-10 at 14:49 +0200, Jarkko Sakkinen wrote: > On Wed, 2018-03-07 at 15:29 -0800, James Bottomley wrote: > > > > By now, everybody knows we have a problem with the TPM2_RS_PW easy > > button on TPM2 in that transactions on the TPM bus can be > > intercepted > > and altered.  The way

Re: [RFC 0/5] add integrity and security to TPM2 transactions

2018-03-10 Thread Jarkko Sakkinen
On Wed, 2018-03-07 at 15:29 -0800, James Bottomley wrote: > By now, everybody knows we have a problem with the TPM2_RS_PW easy > button on TPM2 in that transactions on the TPM bus can be intercepted > and altered. The way to fix this is to use real sessions for HMAC > capabilities to ensure

[RFC 0/5] add integrity and security to TPM2 transactions

2018-03-07 Thread James Bottomley
By now, everybody knows we have a problem with the TPM2_RS_PW easy button on TPM2 in that transactions on the TPM bus can be intercepted and altered.  The way to fix this is to use real sessions for HMAC capabilities to ensure integrity and to use parameter and response encryption to ensure