Update protocols/v2/noise-sv2/src/responder.rs

Co-authored-by: RJ Rybarczyk <[email protected]>

protocols/v2/noise-sv2/src/responder.rs

@@ -327,9 +327,12 @@ impl Responder {
         ret
     }
 
-    /// Erases sensitive data from the responder's memory, including encryption keys,
-    /// chaining keys, and ephemeral keys, to prevent any potential leakage of
-    /// cryptographic material.
+    /// Securely erases sensitive data in the responder's memory.
+    ///
+    /// Clears all sensitive cryptographic material within the `Responder` to prevent any
+    /// accidental leakage or misuse. It overwrites the stored keys, chaining key, handshake hash,
+    /// and session ciphers with zeros or other non-sensitive values. This function is typically
+    /// called when the `Responder` instance is no longer needed or before deallocation.
     fn erase(&mut self) {
         if let Some(k) = self.k.as_mut() {
             for b in k {