attestation: tdx issuer/validator (#1265)

* Add TDX validator

* Add TDX issuer

---------

Signed-off-by: Daniel Weiße <dw@edgeless.systems>

internal/attestation/azure/trustedlaunch/BUILD.bazel

@@ -11,6 +11,7 @@ go_library(
     importpath = "github.com/edgelesssys/constellation/v2/internal/attestation/azure/trustedlaunch",
     visibility = ["//:__subpackages__"],
     deps = [
+        "//internal/attestation",
         "//internal/attestation/vtpm",
         "//internal/config",
         "//internal/crypto",

internal/attestation/azure/trustedlaunch/issuer.go

@@ -15,6 +15,7 @@ import (
 	"io"
 	"net/http"
 
+	"github.com/edgelesssys/constellation/v2/internal/attestation"
 	"github.com/edgelesssys/constellation/v2/internal/attestation/vtpm"
 	"github.com/edgelesssys/constellation/v2/internal/variant"
 	tpmclient "github.com/google/go-tpm-tools/client"
@@ -34,7 +35,7 @@ type Issuer struct {
 }
 
 // NewIssuer initializes a new Azure Issuer.
-func NewIssuer(log vtpm.AttestationLogger) *Issuer {
+func NewIssuer(log attestation.Logger) *Issuer {
 	i := &Issuer{
 		hClient: &http.Client{},
 	}

internal/attestation/azure/trustedlaunch/validator.go

@@ -15,6 +15,7 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/edgelesssys/constellation/v2/internal/attestation"
 	"github.com/edgelesssys/constellation/v2/internal/attestation/vtpm"
 	"github.com/edgelesssys/constellation/v2/internal/config"
 	certutil "github.com/edgelesssys/constellation/v2/internal/crypto"
@@ -35,7 +36,7 @@ type Validator struct {
 }
 
 // NewValidator initializes a new Azure validator with the provided PCR values.
-func NewValidator(cfg *config.AzureTrustedLaunch, log vtpm.AttestationLogger) *Validator {
+func NewValidator(cfg *config.AzureTrustedLaunch, log attestation.Logger) *Validator {
 	rootPool := x509.NewCertPool()
 	rootPool.AddCert(ameRoot)
 	v := &Validator{roots: rootPool}