--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omac_memory.c	Mon May 31 18:21:40 2004 +0000
@@ -0,0 +1,42 @@
+/* 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
+ */
+/* OMAC1 Support by Tom St Denis (for 64 and 128 bit block ciphers only) */
+#include "mycrypt.h"
+
+#ifdef OMAC
+
+int omac_memory(int cipher, 
+                const unsigned char *key, unsigned long keylen,
+                const unsigned char *msg, unsigned long msglen,
+                      unsigned char *out, unsigned long *outlen)
+{
+   int err;
+   omac_state omac;
+
+   _ARGCHK(key != NULL);
+   _ARGCHK(msg != NULL);
+   _ARGCHK(out != NULL);
+   _ARGCHK(outlen != NULL);
+
+   if ((err = omac_init(&omac, cipher, key, keylen)) != CRYPT_OK) {
+      return err;
+   }
+   if ((err = omac_process(&omac, msg, msglen)) != CRYPT_OK) {
+      return err;
+   }
+   if ((err = omac_done(&omac, out, outlen)) != CRYPT_OK) {
+      return err;
+   }
+
+   return CRYPT_OK;
+}
+
+#endif