Update libsrtp to version 2.0

srtp/crypto/hash/null_auth.c

Index: srtp/crypto/hash/null_auth.c
diff --git a/srtp/crypto/hash/null_auth.c b/srtp/crypto/hash/null_auth.c
deleted file mode 100644
index 73fd9187e9f6ee9260b2da292849c1255b682f4a..0000000000000000000000000000000000000000
--- a/srtp/crypto/hash/null_auth.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * null_auth.c
- *
- * implements the do-nothing auth algorithm
- *
- * David A. McGrew
- * Cisco Systems, Inc.
- *
- */
-
-/*
- *	
- * Copyright (c) 2001-2006, 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.
- *
- */
-
-#ifdef HAVE_CONFIG_H
-    #include <config.h>
-#endif
-
-#include "null_auth.h" 
-#include "alloc.h"
-
-/* null_auth uses the auth debug module */
-
-extern debug_module_t mod_auth;
-
-err_status_t
-null_auth_alloc(auth_t **a, int key_len, int out_len) {
-  extern auth_type_t null_auth;
-  uint8_t *pointer;
-
-  debug_print(mod_auth, "allocating auth func with key length %d", key_len);
-  debug_print(mod_auth, "                          tag length %d", out_len);
-
-  /* allocate memory for auth and null_auth_ctx_t structures */
-  pointer = (uint8_t*)crypto_alloc(sizeof(null_auth_ctx_t) + sizeof(auth_t));
-  if (pointer == NULL)
-    return err_status_alloc_fail;
-
-  /* set pointers */
-  *a = (auth_t *)pointer;
-  (*a)->type = &null_auth;
-  (*a)->state = pointer + sizeof (auth_t);  
-  (*a)->out_len = out_len;
-  (*a)->prefix_len = out_len;
-  (*a)->key_len = key_len;
-
-  /* increment global count of all null_auth uses */
-  null_auth.ref_count++;
-
-  return err_status_ok;
-}
-
-err_status_t
-null_auth_dealloc(auth_t *a) {
-  extern auth_type_t null_auth;
-  
-  /* zeroize entire state*/
-  octet_string_set_to_zero((uint8_t *)a, 
-			   sizeof(null_auth_ctx_t) + sizeof(auth_t));
-
-  /* free memory */
-  crypto_free(a);
-  
-  /* decrement global count of all null_auth uses */
-  null_auth.ref_count--;
-
-  return err_status_ok;
-}
-
-err_status_t
-null_auth_init(null_auth_ctx_t *state, const uint8_t *key, int key_len) {
-
-  /* accept any length of key, and do nothing */
-  
-  return err_status_ok;
-}
-
-err_status_t
-null_auth_compute(null_auth_ctx_t *state, uint8_t *message,
-		   int msg_octets, int tag_len, uint8_t *result) {
-
-  return err_status_ok;
-}
-
-err_status_t
-null_auth_update(null_auth_ctx_t *state, uint8_t *message,
-		   int msg_octets) {
-
-  return err_status_ok;
-}
-
-err_status_t
-null_auth_start(null_auth_ctx_t *state) {
-  return err_status_ok;
-}
-
-/*
- * auth_type_t - defines description, test case, and null_auth
- * metaobject
- */
-
-/* begin test case 0 */
-
-auth_test_case_t
-null_auth_test_case_0 = {
-  0,                                       /* octets in key            */
-  NULL,                                    /* key                      */
-  0,                                       /* octets in data           */ 
-  NULL,                                    /* data                     */
-  0,                                       /* octets in tag            */
-  NULL,                                    /* tag                      */
-  NULL                                     /* pointer to next testcase */
-};
-
-/* end test case 0 */
-
-char null_auth_description[] = "null authentication function";
-
-auth_type_t
-null_auth  = {
-  (auth_alloc_func)      null_auth_alloc,
-  (auth_dealloc_func)    null_auth_dealloc,
-  (auth_init_func)       null_auth_init,
-  (auth_compute_func)    null_auth_compute,
-  (auth_update_func)     null_auth_update,
-  (auth_start_func)      null_auth_start,
-  (char *)               null_auth_description,
-  (int)                  0,  /* instance count */
-  (auth_test_case_t *)   &null_auth_test_case_0,
-  (debug_module_t *)     NULL,
-  (auth_type_id_t)       NULL_AUTH
-};
-