diff libtomcrypt/src/encauth/eax/eax_addheader.c @ 330:5488db2e9e4e

merge of 332f709a4cb39cde4cedab7c3be89e05f3023067 and ca4ca78b82c5d430c69ce01bf794e8886ce81431
author Matt Johnston <matt@ucc.asn.au>
date Sat, 10 Jun 2006 16:39:40 +0000
parents 1b9e69c058d2
children 0cbe8f6dbf9e
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/encauth/eax/eax_addheader.c	Sat Jun 10 16:39:40 2006 +0000
@@ -0,0 +1,38 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, [email protected], http://libtomcrypt.org
+ */
+/** 
+    @file eax_addheader.c
+    EAX implementation, add meta-data, by Tom St Denis 
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/** 
+    add header (metadata) to the stream 
+    @param eax    The current EAX state
+    @param header The header (meta-data) data you wish to add to the state
+    @param length The length of the header data
+    @return CRYPT_OK if successful
+*/
+int eax_addheader(eax_state *eax, const unsigned char *header, 
+                  unsigned long length)
+{
+   LTC_ARGCHK(eax    != NULL);
+   LTC_ARGCHK(header != NULL);
+   return omac_process(&eax->headeromac, header, length);
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_addheader.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */