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authorRasmus Dahlberg <rasmus.dahlberg@kau.se>2021-03-10 10:28:40 +0100
committerRasmus Dahlberg <rasmus.dahlberg@kau.se>2021-03-10 10:28:40 +0100
commit864031a77981d970f7e3fd89380a7bdb42d70d33 (patch)
treea2d934f5450c00a0df5d1892a919eb9620c069ad /types/cmd/new-namespace
parentc73ab15faf1a40c6f3fe2dd2fc5728f3d673438b (diff)
added new-namespace tool
Diffstat (limited to 'types/cmd/new-namespace')
-rw-r--r--types/cmd/new-namespace/main.go56
1 files changed, 56 insertions, 0 deletions
diff --git a/types/cmd/new-namespace/main.go b/types/cmd/new-namespace/main.go
new file mode 100644
index 0000000..e338d7c
--- /dev/null
+++ b/types/cmd/new-namespace/main.go
@@ -0,0 +1,56 @@
+// Package main outputs the private and public parts of a new namespace
+package main
+
+import (
+ "flag"
+ "fmt"
+
+ "crypto/ed25519"
+ "crypto/rand"
+ "encoding/base64"
+
+ "github.com/golang/glog"
+ "github.com/system-transparency/stfe/types"
+)
+
+var (
+ format = flag.String("format", string(types.NamespaceFormatEd25519V1), "namespace format")
+)
+
+func main() {
+ flag.Parse()
+ defer glog.Flush()
+
+ switch *format {
+ case string(types.NamespaceFormatEd25519V1):
+ glog.Infof("generating new ed25519_v1 namespace")
+ sk, vk, namespace, err := genEd25519V1Namespace()
+ if err != nil {
+ glog.Errorf("genEd25519V1Namespace: %v", err)
+ break
+ }
+ fmt.Printf("sk: %s\n", base64.StdEncoding.EncodeToString(sk))
+ fmt.Printf("vk: %s\n", base64.StdEncoding.EncodeToString(vk))
+ fmt.Printf("ed25519_v1: %s\n", base64.StdEncoding.EncodeToString(namespace))
+ default:
+ glog.Errorf("unsupported namespace format: %s", format)
+ }
+}
+
+// genEd25519V1Namespace generates an Ed25519 secret key, verification key, and
+// serialized ed25519_v1 namespace.
+func genEd25519V1Namespace() ([]byte, []byte, []byte, error) {
+ vk, sk, err := ed25519.GenerateKey(rand.Reader)
+ if err != nil {
+ return nil, nil, nil, fmt.Errorf("ed25519.GenerateKey: %v", err)
+ }
+ namespace, err := types.NewNamespaceEd25519V1(vk[:])
+ if err != nil {
+ return nil, nil, nil, fmt.Errorf("types.NewNamespaceEd25519V1: %v", err)
+ }
+ serialized, err := types.Marshal(*namespace)
+ if err != nil {
+ fmt.Errorf("types.Marshal: %v", err)
+ }
+ return sk, vk, serialized, nil
+}