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37 lines
976 B
Go
37 lines
976 B
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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/*
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# Azure attestation
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Constellation supports multiple attestation technologies on Azure.
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- SEV - Secure Nested Paging (SEV-SNP)
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TPM attestation verified using an SEV-SNP attestation statement.
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- Trusted Launch
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Basic TPM attestation.
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*/
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package azure
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import (
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"github.com/edgelesssys/constellation/v2/internal/atls"
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"github.com/edgelesssys/constellation/v2/internal/attestation/azure/snp"
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"github.com/edgelesssys/constellation/v2/internal/attestation/azure/trustedlaunch"
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"github.com/edgelesssys/constellation/v2/internal/attestation/vtpm"
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)
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// NewIssuer returns an SNP issuer if it can successfully read the idkeydigest from the TPM.
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// Otherwise returns a Trusted Launch issuer.
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func NewIssuer(log vtpm.AttestationLogger) atls.Issuer {
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if _, err := snp.GetIDKeyDigest(vtpm.OpenVTPM); err == nil {
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return snp.NewIssuer(log)
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}
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return trustedlaunch.NewIssuer(log)
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}
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