COCOS-456 Remove SEV support from repo (#472)

* Remove SEV support from repo

* Remove SEV references

pkg/attestation/attestation.go

@@ -70,8 +70,8 @@ type Verifier interface {
 // CCPlatform returns the type of the confidential computing platform.
 func CCPlatform() PlatformType {
 	checks := []ccCheck{
-		{SevGuestvTPMExists, SNPvTPM},
-		{SevGuesDeviceExists, SNP},
+		{SevSnpGuestvTPMExists, SNPvTPM},
+		{SevSnpGuestDeviceExists, SNP},
 		{isAzureVM, Azure},
 		{TDXGuestDeviceExists, TDX},
 	}
@@ -84,7 +84,7 @@ func CCPlatform() PlatformType {
 	return NoCC
 }
 
-func SevGuesDeviceExists() bool {
+func SevSnpGuestDeviceExists() bool {
 	d, err := client.OpenDevice()
 	if err != nil {
 		return false
@@ -94,8 +94,8 @@ func SevGuesDeviceExists() bool {
 	return true
 }
 
-func SevGuestvTPMExists() bool {
-	return vTPMExists() && SevGuesDeviceExists()
+func SevSnpGuestvTPMExists() bool {
+	return vTPMExists() && SevSnpGuestDeviceExists()
 }
 
 func vTPMExists() bool {

pkg/attestation/azure/snp.go

@@ -254,7 +254,7 @@ func GenerateAttestationPolicy(token, product string, policy uint64) (*attestati
 		return nil, fmt.Errorf("failed to decode reportID: %w", err)
 	}
 
-	sevProduct := quoteprovider.GetProductName(product)
+	sevSnpProduct := quoteprovider.GetProductName(product)
 
 	return &attestation.Config{
 		Config: &check.Config{
@@ -268,7 +268,7 @@ func GenerateAttestationPolicy(token, product string, policy uint64) (*attestati
 				MinimumGuestSvn:    uint32(guestSVN),
 				TrustedIdKeyHashes: [][]byte{idKeyDigest},
 				ReportId:           reportID,
-				Product:            &sevsnp.SevProduct{Name: sevProduct},
+				Product:            &sevsnp.SevProduct{Name: sevSnpProduct},
 				Policy:             policy,
 			},
 		},

pkg/attestation/quoteprovider/sev.go

@@ -25,11 +25,11 @@ import (
 )
 
 const (
-	cocosDirectory      = ".cocos"
-	caBundleName        = "ask_ark.pem"
-	Nonce               = 64
-	sevProductNameMilan = "Milan"
-	sevProductNameGenoa = "Genoa"
+	cocosDirectory     = ".cocos"
+	caBundleName       = "ask_ark.pem"
+	Nonce              = 64
+	sevSnpProductMilan = "Milan"
+	sevSnpProductGenoa = "Genoa"
 )
 
 var (
@@ -38,7 +38,7 @@ var (
 )
 
 var (
-	ErrProductLine     = errors.New(fmt.Sprintf("product name must be %s or %s", sevProductNameMilan, sevProductNameGenoa))
+	ErrProductLine     = errors.New(fmt.Sprintf("product name must be %s or %s", sevSnpProductMilan, sevSnpProductGenoa))
 	ErrAttVerification = errors.New("attestation verification failed")
 	errAttValidation   = errors.New("attestation validation failed")
 )
@@ -176,9 +176,9 @@ func FetchAttestation(reportDataSlice []byte, vmpl uint) ([]byte, error) {
 
 func GetProductName(product string) sevsnp.SevProduct_SevProductName {
 	switch product {
-	case sevProductNameMilan:
+	case sevSnpProductMilan:
 		return sevsnp.SevProduct_SEV_PRODUCT_MILAN
-	case sevProductNameGenoa:
+	case sevSnpProductGenoa:
 		return sevsnp.SevProduct_SEV_PRODUCT_GENOA
 	default:
 		return sevsnp.SevProduct_SEV_PRODUCT_UNKNOWN

pkg/attestation/vtpm/vtpm_test.go

@@ -20,7 +20,7 @@ import (
 	"google.golang.org/protobuf/encoding/protojson"
 )
 
-const sevProductNameMilan = "Milan"
+const sevSnpProductMilan = "Milan"
 
 var policy = attestation.Config{Config: &check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}, PcrConfig: &attestation.PcrConfig{}}
 
@@ -192,7 +192,7 @@ func setAttestationPolicy(rr *sevsnp.Attestation, policyDirectory string) error
 	policy.Config.Policy.Measurement = rr.Report.Measurement
 	policy.Config.Policy.HostData = rr.Report.HostData
 	policy.Config.Policy.ReportIdMa = rr.Report.ReportIdMa
-	policy.Config.RootOfTrust.ProductLine = sevProductNameMilan
+	policy.Config.RootOfTrust.ProductLine = sevSnpProductMilan
 
 	policyByte, err := ConvertPolicyToJSON(&policy)
 	if err != nil {