X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;ds=sidebyside;f=hmac-sha256.h;h=1e602e7da6edabce31259762def339394fe67d4c;hb=06a565f432ed3f51cbd9d88807b9860474c38938;hp=9bdd560d0432ffb60df33f4f87774ef31ee61ff5;hpb=38806fc75038026e167a26eff90b6111066a3642;p=avr-crypto-lib.git

diff --git a/hmac-sha256.h b/hmac-sha256.h
index 9bdd560..1e602e7 100644
--- a/hmac-sha256.h
+++ b/hmac-sha256.h
@@ -4,7 +4,7 @@
 #include "sha256.h"
 
 #define HMAC_BITS SHA256_HASH_BITS
-#define HMAC_BYTES (HMAC_BITS/8)
+#define HMAC_BYTES ((HMAC_BITS+7)/8)
 
 typedef sha256_ctx_t hmac_sha256_ctx_t;