Hi Kent, We had discussion about the event log before. I think standard structure is desirable for this TXT event log.
On Sat, Apr 26, 2008 at 4:40 AM, Cihula, Joseph <joseph.cih...@intel.com> wrote: > On Friday, April 25, 2008 7:47 AM, Jun Koi wrote: >> On 4/17/08, Seiji Munetoh <seiji.mune...@gmail.com> wrote: >>> Hi Folks, >>> >>> Is there any way to validate the PCR[17] and PCR18] values? >>> >>> In case of Static-RTM, we can validate the PCR values by using >>> the BIOS eventlog stored at ACPI table. >>> But for Dynamic-RTM we don't have such eventlog. >> >> Do you know if there is any good reason why tboot doesn't log events >> into eventlog? > > Did you mean why tboot doesn't copy the extend information into the BIOS > event log or why TXT itself doesn't put them there? > > For the former, it is a combination of lack of time, issues with the > eventlog, and motivation. Regarding the eventlog, the current TCG > specification does not provide for BIOS to indicate where the log data > ends. There is a soon-to-be-released update for the spec that will > specify that the end space be filled with ff's, but that will require > updated BIOSes. Regarding motivation, it wasn't clear how useful or > important it would be. > > The values for PCR 17 and 18 are available in the SinitMleData struct in > the TXT heap. So MLEs can access it and expose it to whatever SW needs > it. > > For TXT not doing it, the reasons are very similar. In addition, we > didn't want to tie the launch process to BIOS and its configuration. > > Joe -- Seiji P.S. OpenPTS is generating the eventlog from txt-stat message as a quick-and-dirty way. On Thu, Sep 27, 2012 at 3:44 AM, Kent Yoder <shpedoi...@gmail.com> wrote: > Hi, > > Is there a standard way of grabbing the event log after a TXT > launch? I see it looks like it lives in the os_mle_data_t struct on > the txt heap, but there doesn't seem to be a way to print it from > txt-stat. Is the code missing or can I dump it some other way? > > Thanks, > Kent > > -- > IBM LTC Security > > ------------------------------------------------------------------------------ > How fast is your code? > 3 out of 4 devs don\\\'t know how their code performs in production. > Find out how slow your code is with AppDynamics Lite. > http://ad.doubleclick.net/clk;262219672;13503038;z? > http://info.appdynamics.com/FreeJavaPerformanceDownload.html > _______________________________________________ > tboot-devel mailing list > tboot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/tboot-devel ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://ad.doubleclick.net/clk;258768047;13503038;j? http://info.appdynamics.com/FreeJavaPerformanceDownload.html _______________________________________________ tboot-devel mailing list tboot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tboot-devel
