mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/*
|
|
* aes.h
|
|
*
|
|
* header file for the AES block cipher
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef AES_H
|
|
#define AES_H
|
|
|
|
#include "datatypes.h"
|
|
#include "err.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* aes internals */
|
|
|
|
typedef struct {
|
|
v128_t round[15];
|
|
int num_rounds;
|
|
} srtp_aes_expanded_key_t;
|
|
|
|
srtp_err_status_t srtp_aes_expand_encryption_key(
|
|
const uint8_t *key,
|
|
int key_len,
|
|
srtp_aes_expanded_key_t *expanded_key);
|
|
|
|
srtp_err_status_t srtp_aes_expand_decryption_key(
|
|
const uint8_t *key,
|
|
int key_len,
|
|
srtp_aes_expanded_key_t *expanded_key);
|
|
|
|
void srtp_aes_encrypt(v128_t *plaintext,
|
|
const srtp_aes_expanded_key_t *exp_key);
|
|
|
|
void srtp_aes_decrypt(v128_t *plaintext,
|
|
const srtp_aes_expanded_key_t *exp_key);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* AES_H */
|