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-rw-r--r--core/lib/libtomcrypt/src/mac/omac/omac_memory.c112
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diff --git a/core/lib/libtomcrypt/src/mac/omac/omac_memory.c b/core/lib/libtomcrypt/src/mac/omac/omac_memory.c
new file mode 100644
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+++ b/core/lib/libtomcrypt/src/mac/omac/omac_memory.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2001-2007, Tom St Denis
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* 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, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "tomcrypt.h"
+
+/**
+ @file omac_memory.c
+ LTC_OMAC1 support, process a block of memory, Tom St Denis
+*/
+
+#ifdef LTC_OMAC
+
+/**
+ LTC_OMAC a block of memory
+ @param cipher The index of the desired cipher
+ @param key The secret key
+ @param keylen The length of the secret key (octets)
+ @param in The data to send through LTC_OMAC
+ @param inlen The length of the data to send through LTC_OMAC (octets)
+ @param out [out] The destination of the authentication tag
+ @param outlen [in/out] The max size and resulting size of the authentication tag (octets)
+ @return CRYPT_OK if successful
+*/
+int omac_memory(int cipher,
+ const unsigned char *key, unsigned long keylen,
+ const unsigned char *in, unsigned long inlen,
+ unsigned char *out, unsigned long *outlen)
+{
+ int err;
+ omac_state *omac;
+
+ LTC_ARGCHK(key != NULL);
+ LTC_ARGCHK(in != NULL);
+ LTC_ARGCHK(out != NULL);
+ LTC_ARGCHK(outlen != NULL);
+
+ /* is the cipher valid? */
+ if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
+ return err;
+ }
+
+ /* Use accelerator if found */
+ if (cipher_descriptor[cipher]->omac_memory != NULL) {
+ return cipher_descriptor[cipher]->omac_memory(key, keylen, in, inlen, out, outlen);
+ }
+
+ /* allocate ram for omac state */
+ omac = XMALLOC(sizeof(omac_state));
+ if (omac == NULL) {
+ return CRYPT_MEM;
+ }
+
+ /* omac process the message */
+ if ((err = omac_init(omac, cipher, key, keylen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+ if ((err = omac_process(omac, in, inlen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+ if ((err = omac_done(omac, out, outlen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ err = CRYPT_OK;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+ zeromem(omac, sizeof(omac_state));
+#endif
+
+ XFREE(omac);
+ return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_memory.c,v $ */
+/* $Revision: 1.8 $ */
+/* $Date: 2007/05/12 14:37:41 $ */