From 9ad3acf63ed5dcb46afbeff76d368e6cd26e0b5b Mon Sep 17 00:00:00 2001
From: Galoretka <galoretochka@gmail.com>
Date: Mon, 1 Dec 2025 16:14:44 +0200
Subject: [PATCH 1/2] perf(k12): remove redundant 8KiB buffer zeroing in
 process_chunk

---
 k12/src/block_api.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/k12/src/block_api.rs b/k12/src/block_api.rs
index 8800fecc5..063e5ea33 100644
--- a/k12/src/block_api.rs
+++ b/k12/src/block_api.rs
@@ -47,7 +47,6 @@ impl<'cs> KangarooTwelveCore<'cs> {
         }
 
         self.chain_length += 1;
-        self.buffer = [0u8; CHUNK_SIZE];
         self.bufpos = 0;
     }
 

From a4d10cdf8d99dbfdd4de6dbe7d479b00dc24bf34 Mon Sep 17 00:00:00 2001
From: Galoretka <galoretochka@gmail.com>
Date: Tue, 2 Dec 2025 10:09:34 +0200
Subject: [PATCH 2/2] fix

---
 k12/src/block_api.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/k12/src/block_api.rs b/k12/src/block_api.rs
index 063e5ea33..9db54aa6b 100644
--- a/k12/src/block_api.rs
+++ b/k12/src/block_api.rs
@@ -39,7 +39,7 @@ impl<'cs> KangarooTwelveCore<'cs> {
     }
 
     fn process_chunk(&mut self) {
-        debug_assert!(self.bufpos == CHUNK_SIZE);
+        debug_assert_eq!(self.bufpos, CHUNK_SIZE);
         if self.chain_length == 0 {
             self.final_tshk.update(&self.buffer);
         } else {