Move additional tools to tools directory

tools/gen-keypair/main.go

@@ -0,0 +1,26 @@
+// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+package main
+
+import (
+	"crypto/ed25519"
+	"crypto/rand"
+	"encoding/base64"
+	"fmt"
+	"os"
+)
+
+func main() {
+	// rand.Reader uses /dev/urandom on Linux
+	pub, priv, err := ed25519.GenerateKey(rand.Reader)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: %s\n", err.Error())
+		os.Exit(1)
+	}
+
+	fmt.Fprintf(os.Stdout, "JWT_PUBLIC_KEY=%#v\nJWT_PRIVATE_KEY=%#v\n",
+		base64.StdEncoding.EncodeToString(pub),
+		base64.StdEncoding.EncodeToString(priv))
+}

tools/validate-archive/main.go

@@ -0,0 +1,9 @@
+// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+package main
+
+func main() {
+
+}