AB#2260 Refactor disk-mapper recovery (#82)

* Refactor disk-mapper recovery

* Adapt constellation recover command to use new disk-mapper recovery API

* Fix Cilium connectivity on rebooting nodes (#89)

* Lower CoreDNS reschedule timeout to 10 seconds (#93)

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

cli/internal/proto/recover_test.go

@@ -0,0 +1,38 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package proto
+
+import (
+	"testing"
+
+	"github.com/edgelesssys/constellation/internal/crypto/testvector"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDeriveStateDiskKey(t *testing.T) {
+	testCases := map[string]struct {
+		masterSecret testvector.HKDF
+	}{
+		"all zero": {
+			masterSecret: testvector.HKDFZero,
+		},
+		"all 0xff": {
+			masterSecret: testvector.HKDF0xFF,
+		},
+	}
+
+	for name, tc := range testCases {
+		t.Run(name, func(t *testing.T) {
+			assert := assert.New(t)
+
+			stateDiskKey, err := deriveStateDiskKey(tc.masterSecret.Secret, tc.masterSecret.Salt, tc.masterSecret.Info)
+
+			assert.NoError(err)
+			assert.Equal(tc.masterSecret.Output, stateDiskKey)
+		})
+	}
+}