From 08dee27359566a35ea3181d4062b1e43ccf46dab Mon Sep 17 00:00:00 2001
From: Karel Miko <karel.miko@gmail.com>
Date: Thu, 9 Nov 2017 19:47:27 +0100
Subject: [PATCH] fixes #323 ccm_process fails to process input buffer longer
 than 256 bytes

---
 src/encauth/ccm/ccm_process.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/encauth/ccm/ccm_process.c b/src/encauth/ccm/ccm_process.c
index 2446f2810..8346d2259 100644
--- a/src/encauth/ccm/ccm_process.c
+++ b/src/encauth/ccm/ccm_process.c
@@ -24,7 +24,8 @@ int ccm_process(ccm_state *ccm,
                 unsigned char *ct,
                 int direction)
 {
-   unsigned char  y, z, b;
+   unsigned char z, b;
+   unsigned long y;
    int err;
 
    LTC_ARGCHK(ccm != NULL);
@@ -44,9 +45,8 @@ int ccm_process(ccm_state *ccm,
    if (ptlen > 0) {
       LTC_ARGCHK(pt != NULL);
       LTC_ARGCHK(ct != NULL);
-      y = 0;
 
-      for (; y < ptlen; y++) {
+      for (y = 0; y < ptlen; y++) {
          /* increment the ctr? */
          if (ccm->CTRlen == 16) {
             for (z = 15; z > 15-ccm->L; z--) {