image: reimplement and adapt measurement generation in Go

image/measured-boot/measure/pcr09_test.go

@@ -0,0 +1,38 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package measure
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPredictPCR9(t *testing.T) {
+	assert := assert.New(t)
+
+	sim := NewDefaultSimulator()
+
+	cmdline := []byte("console=tty0\x00")
+	initrdDigest := [32]byte{}
+
+	out := bytes.NewBuffer(nil)
+	assert.NoError(DescribeLinuxLoad2(out, cmdline, initrdDigest))
+	assert.Equal("Linux LOAD_FILE2 protocol:\n"+
+		"  cmdline: \"console=tty0\\x00\"\n"+
+		"  initrd (digest 0000000000000000000000000000000000000000000000000000000000000000)\n",
+		out.String())
+
+	assert.NoError(PredictPCR9(sim, cmdline, initrdDigest))
+	assert.Equal(PCR256{
+		0xeb, 0x4f, 0x7b, 0xca, 0x86, 0x58, 0x07, 0xd3,
+		0x16, 0x3b, 0x95, 0x17, 0x4d, 0x6e, 0x66, 0xcf,
+		0xc7, 0x4a, 0xcf, 0x8b, 0x93, 0x0a, 0x55, 0x3e,
+		0x95, 0xec, 0x94, 0x66, 0x2c, 0xb6, 0xfa, 0xcd,
+	}, sim.Bank[9])
+}