X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=hmac-sha256.c;h=2ff2c01e58fb21789d35f9768a684fbf71032ece;hb=10f93dc9b969b20ed9efb480b7b2664a92bf43d2;hp=e6fe3bc5bf18c1778aef59bcaa41f90b1cd61b69;hpb=38806fc75038026e167a26eff90b6111066a3642;p=avr-crypto-lib.git

diff --git a/hmac-sha256.c b/hmac-sha256.c
index e6fe3bc..2ff2c01 100644
--- a/hmac-sha256.c
+++ b/hmac-sha256.c
@@ -95,7 +95,7 @@ void hmac_sha256(void* dest, void* key, uint16_t kl, void* msg, uint64_t ml){ /*
 	sha256_nextBlock(&s, buffer);
 	while (ml >= SHA256_BLOCK_BITS){
 		sha256_nextBlock(&s, msg);
-		msg += SHA256_BLOCK_BITS/8;
+		msg = (uint8_t*)msg + SHA256_BLOCK_BITS/8;
 		ml -=  SHA256_BLOCK_BITS;
 	}
 	sha256_lastBlock(&s, msg, ml);