image: reimplement and adapt measurement generation in Go

image/measured-boot/measure/pcr11_test.go

@@ -0,0 +1,61 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package measure
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/edgelesssys/constellation/v2/image/measured-boot/pesection"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPredictPCR11(t *testing.T) {
+	assert := assert.New(t)
+
+	sim := NewDefaultSimulator()
+
+	peSections := []pesection.PESection{
+		{
+			Name:   ".text",
+			Size:   100,
+			Digest: [32]byte{},
+		},
+		{
+			Name:    ".linux",
+			Size:    100,
+			Digest:  [32]byte{},
+			Measure: true,
+		},
+		{
+			Name: ".initrd",
+			Digest: [32]byte{
+				1, 1, 1, 1, 1, 1, 1, 1,
+				1, 1, 1, 1, 1, 1, 1, 1,
+				1, 1, 1, 1, 1, 1, 1, 1,
+				1, 1, 1, 1, 1, 1, 1, 1,
+			},
+			Measure: true,
+		},
+	}
+
+	out := bytes.NewBuffer(nil)
+	assert.NoError(DescribeUKISections(out, peSections))
+	assert.Equal("UKI sections:\n"+
+		"  Section  1 - .text  :\tnot measured\n"+
+		"  Section  2 - .linux  (       100 bytes):\t0da293e37ad5511c59be47993769aacb91b243f7d010288e118dc90e95aaef5a, 0000000000000000000000000000000000000000000000000000000000000000\n"+
+		"  Section  3 - .initrd (         0 bytes):\t15ee37e75f1e8d42080e91fdbbd2560780918c81fe3687ae6d15c472bbdaac75, 0101010101010101010101010101010101010101010101010101010101010101\n",
+		out.String())
+
+	assert.NoError(PredictPCR11(sim, peSections))
+	assert.Equal(PCR256{
+		0x9d, 0xfe, 0x39, 0x9f, 0xcd, 0x44, 0x32, 0x63,
+		0x9f, 0x0e, 0x20, 0xf4, 0x9d, 0xf8, 0x23, 0xaa,
+		0x66, 0xb0, 0x95, 0xf0, 0x66, 0x4f, 0x0a, 0x4b,
+		0x9f, 0xbd, 0xc1, 0x1e, 0xa6, 0x46, 0x83, 0xe2,
+	}, sim.Bank[11])
+}