null_auth.c | Explore in Territory

/*
 * null_auth.c
 *
 * implements the do-nothing auth algorithm
 *
 * David A. McGrew
 * Cisco Systems, Inc.
 *
 */

/*
 *
 * Copyright (c) 2001-2017, 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 "err.h" /* for srtp_debug */
#include "alloc.h"
#include "cipher_types.h"

static srtp_err_status_t srtp_null_auth_alloc(srtp_auth_t **a,
                                              int key_len,
                                              int out_len)
{ … }

static srtp_err_status_t srtp_null_auth_dealloc(srtp_auth_t *a)
{ … }

static srtp_err_status_t srtp_null_auth_init(void *statev,
                                             const uint8_t *key,
                                             int key_len)
{ … }

static srtp_err_status_t srtp_null_auth_compute(void *statev,
                                                const uint8_t *message,
                                                int msg_octets,
                                                int tag_len,
                                                uint8_t *result)
{ … }

static srtp_err_status_t srtp_null_auth_update(void *statev,
                                               const uint8_t *message,
                                               int msg_octets)
{ … }

static srtp_err_status_t srtp_null_auth_start(void *statev)
{ … }

/*
 * srtp_auth_type_t - defines description, test case, and null_auth
 * metaobject
 */

/* begin test case 0 */

static const srtp_auth_test_case_t srtp_null_auth_test_case_0 = …;

/* end test case 0 */

static const char srtp_null_auth_description[] = …;

const srtp_auth_type_t srtp_null_auth = …;
chromium/third_party/libsrtp/crypto/hash/null_auth.c
