X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=libtomcrypt%2Fsrc%2Fencauth%2Feax%2Feax_addheader.c;fp=libtomcrypt%2Fsrc%2Fencauth%2Feax%2Feax_addheader.c;h=5545336f19cb484e5337a43e2489671db2429ce9;hb=66bc25938679f1d6a1d1200f329093d82a5e99b4;hp=0000000000000000000000000000000000000000;hpb=a52ee0733f420ca20224049260d6fc5cf7d8f621;p=zpackage

diff --git a/libtomcrypt/src/encauth/eax/eax_addheader.c b/libtomcrypt/src/encauth/eax/eax_addheader.c
new file mode 100644
index 0000000..5545336
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_addheader.c
@@ -0,0 +1,36 @@
+/* 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.
+ */
+/**
+    @file eax_addheader.c
+    EAX implementation, add meta-data, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef LTC_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
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */