search for: tpm0

hi, I try to load front-end tpm driver, but there is no /dev/tpm0 in DomainU. I use redhat5 and add tpm_vtpm.c+ tpm_xen.c by myself. Has anybody sucessfully loaded front-end tpm ? Could u please give the detailed steps? and Could u please tell which file create /dev/tpm0 in DomainU? thank a lot. --Yaody CHANG ________________________________________...

...ine> <qemu:arg value='-enable-kvm'/> <qemu:arg value='-drive'/> <qemu:arg value='file=/root/nvram_2.0-jin.qcow2,if=none,id=nvram0-0-0,format=qcow2'/> <qemu:arg value='-device'/> <qemu:arg value='tpm-tis,tpmdev=tpm-tpm0,id=tpm0'/> <qemu:arg value='-tpmdev'/> <qemu:arg value='libtpms,id=tpm-tpm0,nvram=nvram0-0-0,startup=clear'/> <qemu:arg value='-bios'/> <qemu:arg value='/root/xenSeabios/out/bios.bin'/> </qemu:commandline> Now I...

Hi, i am using Xen 3.2.0 and want to use the TPM in dom0. I have activated vtpm and everything runs fine in my domUs. The question is, how can I access the TPM in dom0? As far as I know vtpm_managerd exclusively locks /dev/tpm0. As soon as I start vtpm_managerd my own program cannot access the TPM anymore. Is there a vtpm instance for dom0 like the ones for the user domains? Thanks in advance for any hints, Tom -- GMX startet ShortView.de. Hier findest Du Leute mit Deinen Interessen! Jetzt dabei sein: http://www.shortv...

When redirecting the output of the echo command using ''>'' on bash, the output seems to be broken up into multiple write()s (depending on the version of busybox?). Unfortunately /dev/tpm0 needs to have the complete command written to in one chunk. The work-around ''echo <string> > file ; cat file > /dev/tpm0'' seems to get around this problem. The patch also removes a redundant test and error output. Signed-off-by: Stefan Berger <stefanb@us.ibm.com&gt...

...an 2kb. This could become useful if a vTPM is located in its owns domain and needs to be serialized for suspension or migration and the packet size becomes bigger than the current limit. Partial reads were supposed to complement this feature for applications to know how many bytes to read from /dev/tpm0. The TSS stack that uses /dev/tpm0 does not rely on any of these changes and continues to work. This makes the file equivalent to the one in 2.6.17. Signed-off-by: Stefan Berger <stefanb@us.ibm.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.x...

...21:38 server systemd[1]: Unit tcsd.service entered failed state. In syslog: Apr 6 10:21:38 server journal: TCSD TDDL[2557]: TrouSerS ERROR: Could not find a device to open! The device appears at about the same time, it must be a matter of seconds: crw------- 1 root root 10, 224 Apr 6 10:21 /dev/tpm0 Is that a bug of the service or something I can fix? Thanks! Laurent

...medium Component: Driver/nouveau Assignee: nouveau at lists.freedesktop.org Reporter: jhnmlkvch9 at gmail.com QA Contact: xorg-team at lists.x.org I'm on an Optimus laptop. Every time, I resume from suspend, I get this message and the resume succeeds. tmp tpm0: tpm_try_transmit: send(): error -5 However, sometimes, I get this following messages and the system freezes: nouveau 0000:01: 00.0: disp: outp 03:0006:0f81: link rate unsupported by sink nouveau 0000:01: 00.0: disp: outp 03:0006:0f81: training failed Not sure if this is relevant, but I also hav...

Hi, I‘m trying to install vTPM based on Xen-4.2.2, linux-kernel 3.9.1 (Dom0) and TPM emulator. However, I cannot find the TPM backed driver in this version of Dom0 linux kernel. There is no CONFIG_XEN_TPMDEV_BACKEND in the kernel config file. The config file for Dom0 is attached. Maybe it provides some useful information. So, how to install a Xen TPM backend driver in the Dom0 linux-kernel.

...atll This will download TPM emulator version 0.2 and applies following patches, -------------------------------- tpm_emulator-0.2b-x86_64.patch vtpm.patch -------------------------------- and also this will create "vtpmd" now.. cd tpm_emulator #make #make insatll This would create /dev/tpm0. And also creates tpm_emulator module #modinfo tpm_emulator //gives the following ----------------------------------- [root@localhost log]# modinfo tpm_emulator filename: /lib/modules/2.6.12-xen0/extra/tpm_emulator.ko license: GPL author: Mario Strasser <mast@gmx.net> description: Trusted Pl...

I can get vtpm_manager to run if I delete /var/vtpm/VTPM. However, when I kill it with control-c, and try to run it again, I get: INFO[VTPM]: Starting VTPM. INFO[TCS]: Constructing new TCS: INFO[TCS]: Calling TCS_OpenContext: INFO[VTSP]: OIAP. INFO[VTSP]: Loading Key into TPM. INFO[VTSP]: Unbinding 256 bytes of data. ERROR in VTSP_Unbind at vtsp.c:720 code: TPM_BAD_PARAMETER. ERROR in

...; to exit the command line. grub> tpm grub> tpm pcrs grub> tpm eventlog After the linux boots, we can check the measurement with the following commands. * Set up. # mount -t securityfs none /sys/kernel/security * Show the event log of GRUB. # cat /sys/kernel/security/tpm0/ascii_bios_measurements * Show the event log of IMA. The list is the opened ELF files. When you open a new ELF file, the file name is logged. # cat /sys/kernel/security/ima/ascii_runtime_measurements * Show the PCRs value. The values are changed when IMA extends a new value. # cat /sys/dev...

...5 laptop kernel: PM: Allocated 5949564 kbytes in 0.34 seconds (17498.71 MB/s) Jan 20 17:42:15 laptop kernel: Freezing remaining freezable tasks ... (elapsed 0.216 seconds) done. Jan 20 17:42:15 laptop kernel: Suspending console(s) (use no_console_suspend to debug) Jan 20 17:42:15 laptop kernel: tpm tpm0: TPM savestate took 3100ms Jan 20 17:42:15 laptop kernel: parport_pc 00:04: disabled Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: DRM: suspending console... Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: DRM: suspending display... Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: D...

...I have noticed: 1) lsmod does not list evtchn and neither gntdev, and they are not compiled as a Module. I have tried also to insert them with lsmod, and of course, I dont have them. 2) The nodes appear in both /proc/misc and /dev/xen, and the numbers are correct % cat /proc/misc 52 freefall 224 tpm0 53 network_throughput 54 network_latency 55 cpu_dma_latency 56 device-mapper 1 psaux 200 tun 57 pktcdvd 228 hpet 58 blktap-control 59 xen/gntdev 60 xen/evtchn 229 fuse 61 ecryptfs 231 snapshot 227 mcelog 62 rfkill 63 vga_arbiter % ll /dev/xen total 0 crw-rw---- 1 root root 10, 60 2010-...

...I have noticed: 1) lsmod does not list evtchn and neither gntdev, and they are not compiled as a Module. I have tried also to insert them with lsmod, and of course, I dont have them. 2) The nodes appear in both /proc/misc and /dev/xen, and the numbers are correct % cat /proc/misc 52 freefall 224 tpm0 53 network_throughput 54 network_latency 55 cpu_dma_latency 56 device-mapper 1 psaux 200 tun 57 pktcdvd 228 hpet 58 blktap-control 59 xen/gntdev 60 xen/evtchn 229 fuse 61 ecryptfs 231 snapshot 227 mcelog 62 rfkill 63 vga_arbiter % ll /dev/xen total 0 crw-rw---- 1 root root 10, 60 2010-...