> However this is not something like a separate module: support for TSS2 is builtin in the strongswan tools.
Correct, it's just part of libtpmtss.
> I didn't check but I imagine this requires a libtss2-* runtime dep.
Yes, libtss2-esys0 will be required (libtss2-esys-3.0.2-0 for Hirsute and Impish).
> However this is not something like a separate module: support for TSS2 is builtin in the strongswan tools.
Correct, it's just part of libtpmtss.
> I didn't check but I imagine this requires a libtss2-* runtime dep.
Yes, libtss2-esys0 will be required (libtss2- esys-3. 0.2-0 for Hirsute and Impish).