From 8dacfb3d9cbd6feafbd51164adb6e76b30afa930 Mon Sep 17 00:00:00 2001
From: radik878 <radikpadik76@gmail.com>
Date: Fri, 9 Jan 2026 17:35:51 +0200
Subject: [PATCH] refactor(ecies): avoid duplicate keccak digest in
 MAC::update_body (#20854)

---
 crates/net/ecies/src/mac.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/net/ecies/src/mac.rs b/crates/net/ecies/src/mac.rs
index fcccae7267..5d25c214c0 100644
--- a/crates/net/ecies/src/mac.rs
+++ b/crates/net/ecies/src/mac.rs
@@ -57,7 +57,7 @@ impl MAC {
         self.hasher.update(data);
         let prev = self.digest();
         let aes = Aes256Enc::new_from_slice(self.secret.as_ref()).unwrap();
-        let mut encrypted = self.digest().0;
+        let mut encrypted = prev.0;
 
         aes.encrypt_padded::<NoPadding>(&mut encrypted, B128::len_bytes()).unwrap();
         for i in 0..16 {