Update libsrtp to version 2.0

test/util.h

 /*
- * alloc.h
+ * util.h
  *
- * interface to memory allocation and deallocation, with optional debugging 
+ * Utilities used by the test apps
  *
- * David A. McGrew
+ * John A. Foley
  * Cisco Systems, Inc.
  */
 /*
- *      
- * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ *
+ * Copyright (c) 2014, Cisco Systems, Inc.
  * All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
- * 
+ *
  *   Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  *   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.
- * 
+ *
  *   Neither the name of the Cisco Systems, Inc. nor the names of its
  *   contributors may be used to endorse or promote products derived
  *   from this software without specific prior written permission.
- * 
+ *
  * 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 HOLDERS 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.
  *
  */
+#ifndef _UTIL_H
+#define _UTIL_H
 
+#define MAX_PRINT_STRING_LEN 1024
 
-#ifndef CRYPTO_ALLOC_H
-#define CRYPTO_ALLOC_H
+int hex_string_to_octet_string(char *raw, char *hex, int len);
+char * octet_string_hex_string(const void *s, int length);
+int base64_string_to_octet_string(char *raw, int *pad, char *base64, int len);
 
-#include "datatypes.h"
-
-void *
-crypto_alloc(size_t size);
-
-void
-crypto_free(void *ptr);
-
-#endif /* CRYPTO_ALLOC_H */
+#endif