User Activity

  • Posted a comment on discussion General Discussion on IBM's TPM 2.0 TSS

    Hi Ken, Thank you for the quick response. I think the issue can be reproduced only when session[0] is of type TPM_RS_PW and session[1] is the HMAC session. The difference in logic between original code my revision is that in the original, the for loop terminates immediate if the first session is of type 'TPM_RS_PW', which happens to be true in my use case . My revised version permits the for loop to pass over session index i==0 where sessionhandle[i]==TPM_RS_PW so it can find the HMAC session at...

  • Posted a comment on discussion General Discussion on IBM's TPM 2.0 TSS

    Using ibmtpm20tss-v1.6.0 I was trying to create primary objects using an encrypted HMAC only session. These objects were in the Owner hierarchy with empty password. This action was successful without the HMAC session. With HMAC command encrypt session I consistently received failure result for parameter 1 size error. Using SW TPM I found that the command encryption was not being applied by the TSS library resulting in the TPM decrypting plain text. To make a long story short, I found what looks to...

View All

Personal Data

Username:
dverbrugge
Joined:
2022-01-07 21:54:09.535000

Projects

  • No projects to display.

Personal Tools