From b6c3ddf040f86e970b92519d814ca67f63734cb8 Mon Sep 17 00:00:00 2001
From: Dennis Nemec <dennis.nemec@icloud.com>
Date: Wed, 2 Sep 2026 22:17:15 +0200
Subject: [PATCH] Use is_multiple_of in hex decoder (clippy)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
---
 backend/crates/infrastructure/src/cipher.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/crates/infrastructure/src/cipher.rs b/backend/crates/infrastructure/src/cipher.rs
index 91ebde5..addc7f7 100644
--- a/backend/crates/infrastructure/src/cipher.rs
+++ b/backend/crates/infrastructure/src/cipher.rs
@@ -21,7 +21,7 @@ impl AesGcmCipher {
 }
 
 fn hex_decode(s: &str) -> anyhow::Result<Vec<u8>> {
-    anyhow::ensure!(s.len() % 2 == 0, "odd hex length");
+    anyhow::ensure!(s.len().is_multiple_of(2), "odd hex length");
     (0..s.len())
         .step_by(2)
         .map(|i| Ok(u8::from_str_radix(&s[i..i + 2], 16)?))