[tpm2] Re: Installing on FreeBSD?

John Connett <jrc at skylon.me.uk> Thu, 31 Mar 2022 14:24:02 +0100
Newsgroups	dev.linux.lists.tpm2
Message-ID	<[email protected]>
On 31/03/2022 12:16, Fuchs, Andreas wrote:

> Could you give us the complete Error message ?
>
> Typical fault No1 is that the tpm pseudo-file is not accessible by the current user.
>
> Under linux this is /dev/tpm0 I don't know if it's the same on FreeBSD.

Looks like that is the problem! It has been a while since I used 
FreeBSD. I think the equivalent of udev in Linux is devd?

Script started on Thu Mar 31 14:16:08 2022
$ ls -l /dev/tpm*
crw-------  1 root  wheel  0x52 Mar 31 10:52 /dev/tpm0
$ tpm2_getrandom 32 | hd

** (process:3209): [1;33mWARNING[0m **: [34m14:16:37.199[0m: Failed 
to create connection with service: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
com.intel.tss2.Tabrmd was not provided by any .service files
ERROR:tcti:src/tss2-tcti/tctildr-dl.c:154:tcti_from_file() Could not 
initialize TCTI file: libtss2-tcti-tabrmd.so.0
ERROR:tcti:src/tss2-tcti/tcti-device.c:443:Tss2_Tcti_Device_Init() 
Failed to open specified TCTI device file /dev/tpmrm0: No such file or 
directory
ERROR:tcti:src/tss2-tcti/tctildr-dl.c:154:tcti_from_file() Could not 
initialize TCTI file: libtss2-tcti-device.so.0
ERROR:tcti:src/tss2-tcti/tcti-device.c:443:Tss2_Tcti_Device_Init() 
Failed to open specified TCTI device file /dev/tpm0: Permission denied
ERROR:tcti:src/tss2-tcti/tctildr-dl.c:154:tcti_from_file() Could not 
initialize TCTI file: libtss2-tcti-device.so.0
WARNING:tcti:src/util/io.c:253:socket_connect() Failed to connect to 
host 127.0.0.1, port 2321: errno 61: Connection refused
ERROR:tcti:src/tss2-tcti/tcti-swtpm.c:591:Tss2_Tcti_Swtpm_Init() Cannot 
connect to swtpm TPM socket
ERROR:tcti:src/tss2-tcti/tctildr-dl.c:154:tcti_from_file() Could not 
initialize TCTI file: libtss2-tcti-swtpm.so.0
WARNING:tcti:src/util/io.c:253:socket_connect() Failed to connect to 
host 127.0.0.1, port 2321: errno 61: Connection refused
ERROR:tcti:src/tss2-tcti/tctildr-dl.c:154:tcti_from_file() Could not 
initialize TCTI file: libtss2-tcti-mssim.so.0
ERROR:tcti:src/tss2-tcti/tctildr-dl.c:254:tctildr_get_default() No 
standard TCTI could be loaded
ERROR:tcti:src/tss2-tcti/tctildr.c:428:Tss2_TctiLdr_Initialize_Ex() 
Failed to instantiate TCTI
ERROR: Could not load tcti, got: "(null)"
$ exit

Script done on Thu Mar 31 14:16:39 2022

> Cheers,
> Andreas
>
> ________________________________________
> Von: John Connett <jrc(a)skylon.me.uk>
> Gesendet: Donnerstag, 31. März 2022 12:55
> An: tpm2(a)lists.01.org
> Betreff: [tpm2] Installing on FreeBSD?
>
> Is there a simple, step-by-step guide for installing tpm2 on FreeBSD?
>
> I started with a FreeBSD 13.0-RELEASE-p10 installation on x86_64 and installed the following with "pkg install":
>
>    *   tpm2-abrmd-2.4.0
>    *   tpm2-tools-5.2
>    *   tpm2-tss-3.1.0
>
> then added tpm2_abrmd_enable="YES" and dbus_enable="YES" to /etc/rc.conf. The user includes "_tss" in its groups.
>
> Attempts to run tpm2_getrandom fail with "Could not initialize TCTI file".
>
> It appears that I have missed some important steps!
>
> The equivalent on Ubuntu just works.
>
> Thanks
> --
> John
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