From: Klas Lindfors <klas@yubico.com>
Date: Fri, 21 Sep 2012 08:11:29 +0000 (+0200)
Subject: make yk_challenge_response() take challenge as const
X-Git-Tag: v1.8.0~4
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98c963b8791df99176df4f8cbf73be79dbe7dfd5;p=yubikey-personalization

make yk_challenge_response() take challenge as const
---

diff --git a/ykcore/ykcore.c b/ykcore/ykcore.c
index f7a2201..21a51b3 100644
--- a/ykcore/ykcore.c
+++ b/ykcore/ykcore.c
@@ -281,7 +281,7 @@ int yk_write_ndef(YK_KEY *yk, YK_NDEF *ndef)
  * This function is for doing HMAC-SHA1 or Yubico challenge-response with a key.
  */
 int yk_challenge_response(YK_KEY *yk, uint8_t yk_cmd, int may_block,
-		unsigned int challenge_len, unsigned char *challenge,
+		unsigned int challenge_len, const unsigned char *challenge,
 		unsigned int response_len, unsigned char *response)
 {
 	unsigned int flags = 0;
diff --git a/ykcore/ykcore.h b/ykcore/ykcore.h
index 74f9bb0..736bae7 100644
--- a/ykcore/ykcore.h
+++ b/ykcore/ykcore.h
@@ -121,7 +121,7 @@ extern int yk_write_ndef(YK_KEY *yk, YK_NDEF *ndef);
 extern int yk_write_to_key(YK_KEY *yk, uint8_t slot, const void *buf, int bufcount);
 /* Do a challenge-response round with the key. */
 extern int yk_challenge_response(YK_KEY *yk, uint8_t yk_cmd, int may_block,
-				 unsigned int challenge_len, unsigned char *challenge,
+				 unsigned int challenge_len, const unsigned char *challenge,
 				 unsigned int response_len, unsigned char *response);
 
 extern int yk_force_key_update(YK_KEY *yk);