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authorRasmus Dahlberg <rasmus.dahlberg@kau.se>2020-11-03 16:45:51 +0100
committerRasmus Dahlberg <rasmus.dahlberg@kau.se>2020-11-03 16:45:51 +0100
commit2ad1e255d7909376bec16dc874e51be5b2629273 (patch)
tree12d10c8925875423ecd6529e00f4dbe73fe3181c /client/get-consistency-proof/main.go
parent14dd503f7612e18091e82b3b0a3ec381604d60df (diff)
added client-side consistency proof verification
Diffstat (limited to 'client/get-consistency-proof/main.go')
-rw-r--r--client/get-consistency-proof/main.go62
1 files changed, 62 insertions, 0 deletions
diff --git a/client/get-consistency-proof/main.go b/client/get-consistency-proof/main.go
new file mode 100644
index 0000000..49c45f1
--- /dev/null
+++ b/client/get-consistency-proof/main.go
@@ -0,0 +1,62 @@
+package main
+
+import (
+ "context"
+ "flag"
+ "fmt"
+
+ "net/http"
+
+ "github.com/golang/glog"
+ "github.com/system-transparency/stfe"
+ "github.com/system-transparency/stfe/client"
+)
+
+var (
+ operators = flag.String("operators", "../../server/descriptor/stfe.json", "path to json-encoded list of log operators")
+ logId = flag.String("log_id", "B9oCJk4XIOMXba8dBM5yUj+NLtqTE6xHwbvR9dYkHPM=", "base64-encoded log identifier")
+ chain = flag.String("chain", "../../server/testdata/chain/ee.pem", "path to pem-encoded certificate chain that the log accepts")
+ first = flag.String("first", "AAEgB9oCJk4XIOMXba8dBM5yUj+NLtqTE6xHwbvR9dYkHPMAAAF1jnn7fwAAAAAAAAAxICCqLJn4QWYd0aRIRjDWGf4GWalDIb/iH60jSSX89WgvAAAAQF9XPFRdM56KaelHFFg1RqjTw1yFL085zHhdNkLeZh9BCXxVTByqrHEMngAkY69EX45aJMWh9NymmPau0qoigA8=", "first base64-encoded StItem of type StFormatSignedTreeHeadV1")
+ second = flag.String("second", "AAEgB9oCJk4XIOMXba8dBM5yUj+NLtqTE6xHwbvR9dYkHPMAAAF1jsZrygAAAAAAAABFIL7Zz0WEolql7o7G496Izl7Qy/l2Qd/Pwc87W8jFPoL6AAAAQHc7ttIDUKuMJR7uqCLb3qqAxiwEN5KLt/7IblT7f+QaKq4BqqI3cO6vT3eMSZMHZDd4EkgvkAwo1o7IsA4N8Qc=", "second base64-encoded StItem of type StFormatSignedTreeHeadV1")
+)
+
+func main() {
+ flag.Parse()
+
+ cli, err := client.NewClientFromPath(*logId, *chain, "", *operators, &http.Client{}, true)
+ if err != nil {
+ glog.Fatal(err)
+ }
+
+ var sth1 stfe.StItem
+ if err := sth1.UnmarshalB64(*first); err != nil {
+ glog.Fatalf("bad signed tree head: %v", err)
+ }
+ if err := client.VerifySignedTreeHeadV1(&sth1, cli.Log.Scheme, cli.Log.Key()); err != nil {
+ glog.Fatalf("bad signed tree head: %v", err)
+ }
+ glog.V(3).Info("verified first sth")
+
+ var sth2 stfe.StItem
+ if err := sth2.UnmarshalB64(*second); err != nil {
+ glog.Fatalf("bad signed tree head: %v", err)
+ }
+ if err := client.VerifySignedTreeHeadV1(&sth2, cli.Log.Scheme, cli.Log.Key()); err != nil {
+ glog.Fatalf("bad signed tree head: %v", err)
+ }
+ glog.V(3).Info("verified second sth")
+
+ proof, err := cli.GetConsistencyProof(context.Background(), &sth1, &sth2)
+ if err != nil {
+ glog.Fatalf("get-proof-by-hash failed: %v", err)
+ }
+ glog.V(3).Info("verified inclusion proof")
+
+ str, err := proof.MarshalB64()
+ if err != nil {
+ glog.Fatalf("failed encoding valid inclusion proof: %v", err)
+ }
+ fmt.Println(str)
+
+ glog.Flush()
+}