Add note about impurity of SystemTime

cloudflare · Oct 22, 2024 · 452f8e8 · 452f8e8
1 parent e59f2cf
commit 452f8e8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/boringtun/src/noise/handshake.rs b/boringtun/src/noise/handshake.rs
@@ -171,7 +171,7 @@ impl TimeStamper {
     /// Create a new TimeStamper
     pub fn new(now: Instant) -> TimeStamper {
         TimeStamper {
-            duration_at_start: SystemTime::now()
+            duration_at_start: SystemTime::now() // This is technically impure but it doesn't matter because the generated timestamps are only offset by this.
                 .duration_since(SystemTime::UNIX_EPOCH)
                 .unwrap(),
             instant_at_start: now,