image: reimplement and adapt measurement generation in Go

image/measured-boot/measure/authentihash_test.go

@@ -0,0 +1,33 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package measure
+
+import (
+	"bytes"
+	"crypto/sha256"
+	"testing"
+
+	"github.com/edgelesssys/constellation/v2/image/measured-boot/fixtures"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPeSectionReader(t *testing.T) {
+	assert := assert.New(t)
+
+	peReader := bytes.NewReader(fixtures.UKI())
+	digest, err := Authentihash(peReader, sha256.New())
+	assert.NoError(err)
+	assert.Equal(
+		[]byte{
+			0xd3, 0x43, 0xbe, 0x62, 0x65, 0xeb, 0x3e, 0x23,
+			0xf7, 0x8b, 0x0a, 0xe0, 0x96, 0xbf, 0xf3, 0x34,
+			0xe3, 0x7a, 0x76, 0x0a, 0xe8, 0x30, 0x73, 0x62,
+			0x83, 0xf9, 0xb0, 0x26, 0x8e, 0xce, 0xdc, 0xf2,
+		},
+		digest,
+	)
+}