Hi. I am very interested in the security properties a totally open TPM can give our users - its use as a universal smartcard to protect all types of keys. When adding the virtual 1.2 or 2.0 TPM I get the vague error below. OS is Debian stable with standard packages. Error starting domain: Unable to find 'swtpm' binary in $PATH: No such file or directory

On 10/7/19 7:31 AM, Andrea Bolognani wrote: > On Sat, 2019-10-05 at 14:32 +0000, procmem(a)riseup.net wrote: > > Hi. I am very interested in the security properties a totally open TPM > > can give our users - its use as a universal smartcard to protect all > > types of keys. When adding the virtual 1.2 or 2.0 TPM I get the vague > > error below. OS is Debian stable with standard packages. > > > > > > Error starting domain: Unable to find 'swtpm' binary in $PATH: No such > > file or directory > > I wouldn't call this error message vague at all: it tells you exactly > what the problem is, namely that libvirt needs the 'swtpm' command > for your configuration but the latter is not available :) > > Unfortunately it looks like swtpm it's not packaged for Debian, so > I'm afraid the solution is not just a simple apt-get away :( > Thanks for letting me know. I assumed everything in libvirt was self contained and so I didn't expect it to need an extraneous package. Hopefully it'll land by Debian Bullseye.

On Sat, Oct 05, 2019 at 02:32:19PM +0000, procmem(a)riseup.net wrote: > Hi. I am very interested in the security properties a totally open TPM > can give our users  - its use as a universal smartcard to protect all > types of keys. When adding the virtual 1.2 or 2.0 TPM I get the vague > error below. OS is Debian stable with standard packages. > > > Error starting domain: Unable to find 'swtpm' binary in $PATH: No such > file or directory > > Traceback (most recent call last): >   File "/usr/share/virt-manager/virtManager/asyncjob.py", line 75, in > cb_wrapper >     callback(asyncjob, *args, **kwargs) >   File "/usr/share/virt-manager/virtManager/asyncjob.py", line 111, > in tmpcb >     callback(*args, **kwargs) >   File "/usr/share/virt-manager/virtManager/libvirtobject.py", line 66, > in newfn >     ret = fn(self, *args, **kwargs) >   File "/usr/share/virt-manager/virtManager/domain.py", line 1400, in > startup >     self._backend.create() >   File "/usr/lib/python3/dist-packages/libvirt.py", line 1080, in create >     if ret == -1: raise libvirtError ('virDomainCreate() failed', > dom=self) > libvirt.libvirtError: Unable to find 'swtpm' binary in $PATH: No such > file or directory > What is vague about this?  "Unable to find 'swtpm' binary in $PATH:" ??? Have you tried:  apt install -y swtpm perhaps?

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