From 0420ad8de6ebb9157202dd5333d1b49e012ed79a Mon Sep 17 00:00:00 2001
From: Kamran Khan <kamranrkhan@google.com>
Date: Wed, 2 Dec 2020 23:06:24 -0800
Subject: [PATCH] Use constant for consistency

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

diff --git a/src/ctap/apdu.rs b/src/ctap/apdu.rs
index 6c2a03a..d5210b1 100644
--- a/src/ctap/apdu.rs
+++ b/src/ctap/apdu.rs
@@ -124,7 +124,7 @@ impl TryFrom<&[u8]> for APDU {
         let (header, payload) = frame.split_at(APDU_HEADER_LEN);
 
         let mut apdu = APDU {
-            header: array_ref!(header, 0, 4).into(),
+            header: array_ref!(header, 0, APDU_HEADER_LEN).into(),
             lc: 0x00,
             data: Vec::new(),
             le: 0x00,