From b34400dbd55a340b3ff6ace3b39081a6977d209b Mon Sep 17 00:00:00 2001
From: Michele Esposito <michele@esposito.codes>
Date: Sat, 2 Dec 2023 02:02:42 +0100
Subject: [PATCH] fix: keystream seeker

---
 cipher/src/chacha20/core.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cipher/src/chacha20/core.rs b/cipher/src/chacha20/core.rs
index bf2e2da..be5190b 100644
--- a/cipher/src/chacha20/core.rs
+++ b/cipher/src/chacha20/core.rs
@@ -78,9 +78,9 @@ pub fn chacha20_rounds(out: &mut [u32; 16], add: Option<[u32; 16]>) {
 
 pub fn seek_keystream(state: &[u32; 16], n: u64) -> [u32; 16] {
   let mut state = state.clone();
-  let mut keystream = state;
-
   safe_2words_counter_increment_n(&mut state[12..14], n);
+
+  let mut keystream = state;
   chacha20_rounds(&mut keystream, Some(state));
 
   keystream