Add TrustedComponent D-bus Interface

TrustedComponent represents a trusted device, such as a TPM or
SPDM-capable device.

This commit adds TrustedComponent D-Bus interface.

Change-Id: Ic5de5ee6c8ff

Add TrustedComponent D-bus Interface

TrustedComponent represents a trusted device, such as a TPM or
SPDM-capable device.

This commit adds TrustedComponent D-Bus interface.

Change-Id: Ic5de5ee6c8ffd58d50a64937dacdddbebac7f1ab
Signed-off-by: Zhichuang Sun <zhichuang@google.com>

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Add Attestation related D-bus Interface

Attestation provides critical and pertinent
security information about a specific device, system, software
element, or other managed entity.

Three relevant i

Add Attestation related D-bus Interface

Attestation provides critical and pertinent
security information about a specific device, system, software
element, or other managed entity.

Three relevant interfaces are defined as below.

ComponentIntegrity describes integrity of a component, including
what protocol used to measure the integrity, when was the integrity
info last updated, whether the integrity measurement is enabled, etc.
Some associations have been added to this interface, including a link
to the trusted component that the integrity object is reporting,
and a link to the systems that the integrity object is protecting.

IdentityAuthentication describes the identity verification status. It
also has two associations defined, one is a link to the requester's
certificate, the other one for the responder.

MeasurementSet defines the dbus method to get SPDM measurements.

These three interfaces are grouped under a new directory Attestation as
they are used to expose identity/integrity/measurement information for
an attestation.

Signed-off-by: Zhichuang Sun <zhichuang@google.com>
Change-Id: Iac86dfc63c85af04985a61ba52161301134e8f2b

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