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measurements: add GCP SEV-SNP measurements

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This commit is contained in:
Moritz Sanft 2024-04-04 16:32:40 +02:00
parent 4228981a82
commit 59ecedf708
No known key found for this signature in database
GPG Key ID: 335D28368B1DA615
5 changed files with 18 additions and 3 deletions
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6
internal/attestation/measurements/measurement-generator/generate.go
View File

@ -84,9 +84,9 @@ func main() {
log.Println("Found", variant)
returnStmtCtr++
// retrieve and validate measurements for the given CSP and image
measuremnts := mustGetMeasurements(ctx, rekor, provider, variant, defaultImage)
measurements := mustGetMeasurements(ctx, rekor, provider, variant, defaultImage)
// replace the return statement with a composite literal containing the validated measurements
clause.Values[0] = measurementsCompositeLiteral(measuremnts)
clause.Values[0] = measurementsCompositeLiteral(measurements)
}
return true
}, nil,
@ -267,6 +267,8 @@ func attestationVariantFromGoIdentifier(identifier string) (variant.Variant, err
return variant.AWSNitroTPM{}, nil
case "GCPSEVES":
return variant.GCPSEVES{}, nil
case "GCPSEVSNP":
return variant.GCPSEVSNP{}, nil
case "AzureSEVSNP":
return variant.AzureSEVSNP{}, nil
case "AzureTDX":

3
internal/attestation/measurements/measurements.go
View File

@ -516,6 +516,9 @@ func DefaultsFor(provider cloudprovider.Provider, attestationVariant variant.Var
case provider == cloudprovider.GCP && attestationVariant == variant.GCPSEVES{}:
return gcp_GCPSEVES.Copy()
case provider == cloudprovider.GCP && attestationVariant == variant.GCPSEVSNP{}:
return gcp_GCPSEVSNP.Copy()
case provider == cloudprovider.OpenStack && attestationVariant == variant.QEMUVTPM{}:
return openstack_QEMUVTPM.Copy()

1
internal/attestation/measurements/measurements_enterprise.go
View File

@ -22,6 +22,7 @@ var (
azure_AzureTDX = M{1: {Expected: []byte{0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea, 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d, 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a, 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69}, ValidationOpt: WarnOnly}, 2: {Expected: []byte{0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea, 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d, 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a, 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69}, ValidationOpt: WarnOnly}, 3: {Expected: []byte{0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea, 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d, 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a, 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69}, ValidationOpt: WarnOnly}, 4: {Expected: []byte{0x7b, 0xd9, 0x2b, 0xce, 0xb5, 0xfa, 0x30, 0xaf, 0x26, 0x67, 0x71, 0xb0, 0xdd, 0xe6, 0x09, 0xaf, 0xe1, 0xf1, 0xcf, 0x32, 0x70, 0xe6, 0xad, 0xa6, 0xa5, 0x2d, 0x0b, 0xdb, 0xff, 0x84, 0x24, 0x3d}, ValidationOpt: Enforce}, 8: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 9: {Expected: []byte{0xd3, 0x8c, 0xf3, 0xf5, 0x63, 0x20, 0x52, 0x39, 0x17, 0x4a, 0xca, 0xc6, 0xf1, 0xf0, 0xd8, 0x34, 0xc3, 0x74, 0x12, 0x2e, 0x82, 0x76, 0x82, 0x79, 0xac, 0x94, 0xc1, 0xc0, 0x57, 0x3c, 0xfa, 0x0a}, ValidationOpt: Enforce}, 11: {Expected: []byte{0x90, 0xc8, 0xdb, 0x82, 0x2d, 0x9c, 0x86, 0x81, 0x53, 0x4a, 0x6b, 0x26, 0xa3, 0xd5, 0xe6, 0x5f, 0x0c, 0x09, 0x8f, 0xe2, 0x97, 0xa4, 0xb0, 0xa5, 0x3f, 0x78, 0x98, 0x62, 0x20, 0xfe, 0xbb, 0x1c}, ValidationOpt: Enforce}, 12: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 13: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 14: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: WarnOnly}, 15: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}}
azure_AzureTrustedLaunch M
gcp_GCPSEVES = M{1: {Expected: []byte{0x36, 0x95, 0xdc, 0xc5, 0x5e, 0x3a, 0xa3, 0x40, 0x27, 0xc2, 0x77, 0x93, 0xc8, 0x5c, 0x72, 0x3c, 0x69, 0x7d, 0x70, 0x8c, 0x42, 0xd1, 0xf7, 0x3b, 0xd6, 0xfa, 0x4f, 0x26, 0x60, 0x8a, 0x5b, 0x24}, ValidationOpt: WarnOnly}, 2: {Expected: []byte{0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea, 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d, 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a, 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69}, ValidationOpt: WarnOnly}, 3: {Expected: []byte{0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea, 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d, 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a, 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69}, ValidationOpt: WarnOnly}, 4: {Expected: []byte{0x68, 0x0d, 0xb7, 0x34, 0x53, 0xac, 0x3f, 0x50, 0x91, 0xd1, 0x81, 0x11, 0xa2, 0x87, 0x78, 0xa5, 0xf3, 0x5f, 0x85, 0xd6, 0x7e, 0xf1, 0xac, 0x84, 0xb7, 0x3c, 0x37, 0xf5, 0x82, 0xb5, 0x86, 0xc3}, ValidationOpt: Enforce}, 6: {Expected: []byte{0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea, 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d, 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a, 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69}, ValidationOpt: WarnOnly}, 8: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 9: {Expected: []byte{0x21, 0x73, 0x38, 0xac, 0xea, 0x76, 0xeb, 0x36, 0x99, 0x10, 0x44, 0x14, 0x4b, 0xb3, 0x0e, 0x8f, 0x09, 0xa1, 0xc3, 0x86, 0x28, 0xe3, 0x70, 0x35, 0x27, 0xfe, 0xc9, 0x13, 0xd0, 0x4a, 0xb5, 0xcf}, ValidationOpt: Enforce}, 11: {Expected: []byte{0x4a, 0x27, 0xa5, 0xd8, 0xf0, 0xbe, 0x9f, 0x82, 0xb3, 0xa7, 0x37, 0xc5, 0x19, 0x9f, 0x6c, 0xe1, 0xd4, 0xcf, 0xeb, 0x86, 0x00, 0xe5, 0x3f, 0x3a, 0x46, 0x2d, 0x90, 0x6c, 0x25, 0x28, 0xbd, 0xc7}, ValidationOpt: Enforce}, 12: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 13: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 14: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: WarnOnly}, 15: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}}
gcp_GCPSEVSNP M
openstack_QEMUVTPM = M{4: {Expected: []byte{0x6d, 0xac, 0xe8, 0x8d, 0x10, 0x31, 0xa6, 0x94, 0x68, 0x52, 0x92, 0x6d, 0x0c, 0xb4, 0xba, 0x1b, 0x52, 0x8f, 0xa1, 0xef, 0xf7, 0xd8, 0x41, 0x89, 0xd3, 0x25, 0x8e, 0xff, 0x9a, 0x8c, 0xe2, 0x4c}, ValidationOpt: Enforce}, 8: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 9: {Expected: []byte{0x0f, 0x3e, 0x3c, 0x96, 0x82, 0xea, 0xe4, 0xb9, 0xc2, 0x88, 0xbc, 0x8e, 0xce, 0x89, 0x6a, 0x10, 0x07, 0x3c, 0x59, 0xc9, 0xcd, 0x1c, 0x31, 0x0b, 0xf4, 0xba, 0x7e, 0x4a, 0x19, 0x89, 0xb6, 0xee}, ValidationOpt: Enforce}, 11: {Expected: []byte{0xf9, 0x40, 0x6a, 0xf7, 0x34, 0x40, 0x09, 0x3f, 0xcf, 0x28, 0xfe, 0x81, 0x77, 0x2e, 0x81, 0x6f, 0xa7, 0x94, 0x49, 0x23, 0xf7, 0xcc, 0xdd, 0xf8, 0x02, 0x2d, 0x29, 0x1b, 0x56, 0x5a, 0x13, 0x3d}, ValidationOpt: Enforce}, 12: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 13: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 14: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: WarnOnly}, 15: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}}
qemu_QEMUTDX M
qemu_QEMUVTPM = M{4: {Expected: []byte{0x0d, 0x6b, 0xff, 0xc3, 0x65, 0x46, 0xe5, 0x57, 0x03, 0x05, 0x28, 0xe2, 0x07, 0x7a, 0xce, 0x36, 0x2d, 0x7c, 0x0c, 0x1c, 0xb1, 0x32, 0xb3, 0x71, 0x8b, 0x75, 0x4c, 0x68, 0x5f, 0x18, 0x49, 0x2c}, ValidationOpt: Enforce}, 8: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 9: {Expected: []byte{0x4e, 0x50, 0xe6, 0x38, 0xeb, 0x89, 0x12, 0x23, 0x79, 0x01, 0x78, 0x4d, 0x40, 0x43, 0xa2, 0x4c, 0x03, 0xe7, 0x2a, 0x10, 0x6c, 0xf9, 0x52, 0x67, 0x95, 0xdc, 0x91, 0x32, 0x29, 0x0f, 0x47, 0xde}, ValidationOpt: Enforce}, 11: {Expected: []byte{0x3f, 0x6b, 0xbc, 0x90, 0xf3, 0x4c, 0x15, 0xe0, 0x67, 0xa2, 0x4c, 0x2c, 0x21, 0xd9, 0xcd, 0x88, 0x06, 0x47, 0x00, 0x35, 0x99, 0x07, 0x11, 0x4f, 0xef, 0x18, 0xef, 0xd4, 0x6e, 0x66, 0x21, 0xcd}, ValidationOpt: Enforce}, 12: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 13: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}, 15: {Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, ValidationOpt: Enforce}}

9
internal/attestation/measurements/measurements_oss.go
View File

@ -64,6 +64,15 @@ var (
13: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
uint32(PCRIndexClusterID): WithAllBytes(0x00, Enforce, PCRMeasurementLength),
}
gcp_GCPSEVSNP = M{
4: PlaceHolderMeasurement(PCRMeasurementLength),
8: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
9: PlaceHolderMeasurement(PCRMeasurementLength),
11: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
12: PlaceHolderMeasurement(PCRMeasurementLength),
13: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
uint32(PCRIndexClusterID): WithAllBytes(0x00, Enforce, PCRMeasurementLength),
}
openstack_QEMUVTPM = M{
4: PlaceHolderMeasurement(PCRMeasurementLength),
8: WithAllBytes(0x00, Enforce, PCRMeasurementLength),

2
measurement-reader/cmd/main.go
View File

@ -30,7 +30,7 @@ func main() {
var m []sorted.Measurement
switch attestationVariant {
case variant.AWSNitroTPM{}, variant.AWSSEVSNP{}, variant.AzureSEVSNP{}, variant.AzureTrustedLaunch{}, variant.GCPSEVES{}, variant.QEMUVTPM{}:
case variant.AWSNitroTPM{}, variant.AWSSEVSNP{}, variant.AzureSEVSNP{}, variant.AzureTrustedLaunch{}, variant.GCPSEVES{}, variant.GCPSEVSNP{}, variant.QEMUVTPM{}:
m, err = tpm.Measurements()
if err != nil {
log.With(slog.Any("error", err)).Error("Failed to read TPM measurements")