constellation/internal/attestation/azure/issuer.go

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/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package azure
import (
"github.com/edgelesssys/constellation/internal/atls"
"github.com/edgelesssys/constellation/internal/attestation/azure/snp"
"github.com/edgelesssys/constellation/internal/attestation/azure/trustedlaunch"
"github.com/edgelesssys/constellation/internal/attestation/vtpm"
)
// NewIssuer returns an SNP issuer if it can successfully read the idkeydigest from the TPM.
// Otherwise returns a Trusted Launch issuer.
func NewIssuer() atls.Issuer {
if _, err := snp.GetIdKeyDigest(vtpm.OpenVTPM); err == nil {
return snp.NewIssuer()
} else {
return trustedlaunch.NewIssuer()
}
}