diff libtomcrypt/src/mac/f9/f9_memory.c @ 435:337c45621e81

merge of 'a9b0496634cdd25647b65e585cc3240f3fa699ee' and 'c22be8b8f570b48e9662dac32c7b3e7148a42206'
author Matt Johnston <matt@ucc.asn.au>
date Thu, 22 Feb 2007 14:53:49 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/mac/f9/f9_memory.c	Thu Feb 22 14:53:49 2007 +0000
@@ -0,0 +1,71 @@
+/* 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.com
+ */
+#include "tomcrypt.h"
+
+/**
+  @file f9_process.c
+  f9 Support, Process a block through F9-MAC
+*/
+
+#ifdef LTC_F9_MODE
+
+/** f9-MAC a block of memory 
+  @param cipher     Index of cipher to use
+  @param key        [in]  Secret key
+  @param keylen     Length of key in octets
+  @param in         [in]  Message to MAC
+  @param inlen      Length of input in octets
+  @param out        [out] Destination for the MAC tag
+  @param outlen     [in/out] Output size and final tag size
+  Return CRYPT_OK on success.
+*/
+int f9_memory(int cipher, 
+               const unsigned char *key, unsigned long keylen,
+               const unsigned char *in,  unsigned long inlen,
+                     unsigned char *out, unsigned long *outlen)
+{
+   f9_state *f9;
+   int         err;
+
+   /* is the cipher valid? */
+   if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
+      return err;
+   }
+
+   /* Use accelerator if found */
+   if (cipher_descriptor[cipher].f9_memory != NULL) {
+      return cipher_descriptor[cipher].f9_memory(key, keylen, in, inlen, out, outlen);
+   }
+
+   f9 = XCALLOC(1, sizeof(*f9));
+   if (f9 == NULL) {
+      return CRYPT_MEM;
+   }
+
+   if ((err = f9_init(f9, cipher, key, keylen)) != CRYPT_OK) {
+     goto done;
+   }
+
+   if ((err = f9_process(f9, in, inlen)) != CRYPT_OK) {
+     goto done;
+   }
+
+   err = f9_done(f9, out, outlen);
+done:
+   XFREE(f9);
+   return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_memory.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/11/21 23:02:42 $ */