constellation/internal/attestation/azure/issuer.go

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package azure
import (
"io"
"github.com/edgelesssys/constellation/internal/attestation/vtpm"
"github.com/edgelesssys/constellation/internal/oid"
tpmclient "github.com/google/go-tpm-tools/client"
)
// Issuer for Azure TPM attestation.
type Issuer struct {
oid.Azure
*vtpm.Issuer
}
// NewIssuer initializes a new Azure Issuer.
func NewIssuer() *Issuer {
return &Issuer{
Issuer: vtpm.NewIssuer(
vtpm.OpenVTPM,
tpmclient.AttestationKeyRSA,
getSNPAttestation,
),
}
}
// getSNPAttestation loads and returns the SEV-SNP attestation statement.
//
// As long as we are using regular VMs on Azure this is a stub, returning nil.
func getSNPAttestation(tpm io.ReadWriteCloser) ([]byte, error) {
// TODO: implement this for CVMs
return nil, nil
}