Move attestation, atls and oid packages to internal directory

Signed-off-by: Daniel Weiße <dw@edgeless.systems>

internal/attestation/azure/validator_test.go

@@ -0,0 +1,75 @@
+package azure
+
+import (
+	"testing"
+
+	"github.com/edgelesssys/constellation/internal/attestation/simulator"
+	"github.com/edgelesssys/constellation/internal/attestation/vtpm"
+	"github.com/google/go-tpm-tools/client"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestTrustedKeyFromSNP(t *testing.T) {
+	require := require.New(t)
+
+	tpm, err := simulator.OpenSimulatedTPM()
+	require.NoError(err)
+	defer tpm.Close()
+	key, err := client.AttestationKeyRSA(tpm)
+	require.NoError(err)
+	defer key.Close()
+	akPub, err := key.PublicArea().Encode()
+	require.NoError(err)
+
+	testCases := map[string]struct {
+		key          []byte
+		instanceInfo []byte
+		wantErr      bool
+	}{
+		"success": {
+			key:          akPub,
+			instanceInfo: []byte{},
+			wantErr:      false,
+		},
+	}
+
+	for name, tc := range testCases {
+		t.Run(name, func(t *testing.T) {
+			assert := assert.New(t)
+
+			key, err := trustedKeyFromSNP(tc.key, tc.instanceInfo)
+			if tc.wantErr {
+				assert.Error(err)
+			} else {
+				assert.NoError(err)
+				assert.NotNil(key)
+			}
+		})
+	}
+}
+
+func TestValidateAzureCVM(t *testing.T) {
+	testCases := map[string]struct {
+		attDoc  vtpm.AttestationDocument
+		wantErr bool
+	}{
+		"success": {
+			attDoc:  vtpm.AttestationDocument{},
+			wantErr: false,
+		},
+	}
+
+	for name, tc := range testCases {
+		t.Run(name, func(t *testing.T) {
+			assert := assert.New(t)
+
+			err := validateAzureCVM(tc.attDoc)
+			if tc.wantErr {
+				assert.Error(err)
+			} else {
+				assert.NoError(err)
+			}
+		})
+	}
+}