feat: Waku v2 bridge

Issue #12610

vendor/github.com/pion/stun/integrity_debug.go

@@ -0,0 +1,18 @@
+// +build debug
+
+package stun
+
+import "fmt"
+
+// IntegrityErr occurs when computed HMAC differs from expected.
+type IntegrityErr struct {
+	Expected []byte
+	Actual   []byte
+}
+
+func (i *IntegrityErr) Error() string {
+	return fmt.Sprintf(
+		"Integrity check failed: 0x%x (expected) !- 0x%x (actual)",
+		i.Expected, i.Actual,
+	)
+}