From 247edec004eabd81fab9eed5cb06a7e5d9a554a8 Mon Sep 17 00:00:00 2001
From: Michael Rash <mbr@cipherdyne.org>
Date: Sun, 17 Mar 2013 22:48:29 -0400
Subject: [PATCH] minor hmac prototype update to add const qualifier

---
 lib/hmac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/hmac.c b/lib/hmac.c
index 51625b60..2efa7c3f 100644
--- a/lib/hmac.c
+++ b/lib/hmac.c
@@ -73,7 +73,7 @@ typedef struct {
 
 static void
 pad_init(unsigned char *inner_pad, unsigned char *outer_pad,
-        const unsigned char *key, const int key_len)
+        const unsigned char * const key, const int key_len)
 {
     int i = 0;