interop: debug print the server's certificate hash

quic-go · Mar 17, 2024 · ca110e4 · ca110e4
1 parent cc11cf3
commit ca110e4
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/interop/server/main.go b/interop/server/main.go
@@ -2,7 +2,9 @@ package main
 
 import (
 	"context"
+	"crypto/sha256"
 	"crypto/tls"
+	"encoding/base64"
 	"fmt"
 	"log"
 	"net/http"
@@ -47,6 +49,8 @@ func main() {
 		fmt.Println(err)
 		os.Exit(1)
 	}
+	hash := sha256.Sum256(tlsConf.Certificates[0].Certificate[0])
+	fmt.Printf("Server Certificate Hash: %#v (base64: %s)\n", hash, base64.RawStdEncoding.EncodeToString(hash[:]))
 	tlsConf = &tls.Config{
 		Certificates: []tls.Certificate{cert},
 		KeyLogWriter: keyLog,