X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;f=hmac.c;h=8b6d2f6234caa8e612d2710e35daaacc16bd40bb;hb=1e01840681f92f425aa17e1a18c7dfcf3bf80e40;hp=af0d11968e64bca065d1212d05118a0621453792;hpb=1ea860909ea670451b5200ccd30aa19241cd081a;p=xonotic%2Fdarkplaces.git

diff --git a/hmac.c b/hmac.c
index af0d1196..8b6d2f62 100644
--- a/hmac.c
+++ b/hmac.c
@@ -1,17 +1,17 @@
-#include "quakedef.h"
+#include "darkplaces.h"
 #include "hmac.h"
 
-qboolean hmac(
+qbool hmac(
 	hashfunc_t hfunc, int hlen, int hblock,
 	unsigned char *out,
 	const unsigned char *in, int n,
 	const unsigned char *key, int k
 )
 {
-	static unsigned char hashbuf[32];
-	static unsigned char k_xor_ipad[128];
-	static unsigned char k_xor_opad[128];
-	static unsigned char catbuf[65600]; // 65535 bytes max quake packet size + 64 for the hash
+	unsigned char hashbuf[32];
+	unsigned char k_xor_ipad[128];
+	unsigned char k_xor_opad[128];
+	unsigned char *catbuf;
 	int i;
 
 	if(sizeof(hashbuf) < (size_t) hlen)
@@ -20,10 +20,8 @@ qboolean hmac(
 		return false;
 	if(sizeof(k_xor_ipad) < (size_t) hlen)
 		return false;
-	if(sizeof(catbuf) < (size_t) hblock + (size_t) hlen)
-		return false;
-	if(sizeof(catbuf) < (size_t) hblock + (size_t) n)
-		return false;
+
+	catbuf = (unsigned char *)Mem_Alloc(tempmempool, (size_t) hblock + max((size_t) hlen, (size_t) n));
 
 	if(k > hblock)
 	{
@@ -56,5 +54,8 @@ qboolean hmac(
 	memcpy(catbuf, k_xor_opad, hblock);
 	memcpy(catbuf + hblock, hashbuf, hlen);
 	hfunc(out, catbuf, hblock + hlen);
+
+	Mem_Free(catbuf);
+
 	return true;
 }