0,0 → 1,69 |
/* |
* RTMPE encryption utilities |
* Copyright (c) 2012 Samuel Pitoiset |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
#ifndef AVFORMAT_RTMPCRYPT_H |
#define AVFORMAT_RTMPCRYPT_H |
|
#include <stdint.h> |
|
#include "url.h" |
|
/** |
* Initialize the Diffie-Hellmann context and generate the public key. |
* |
* @param h an URLContext |
* @param buf handshake data (1536 bytes) |
* @return zero on success, negative value otherwise |
*/ |
int ff_rtmpe_gen_pub_key(URLContext *h, uint8_t *buf); |
|
/** |
* Compute the shared secret key and initialize the RC4 encryption. |
* |
* @param h an URLContext |
* @param serverdata server data (1536 bytes) |
* @param clientdata client data (1536 bytes) |
* @param type the position of the server digest |
* @return zero on success, negative value otherwise |
*/ |
int ff_rtmpe_compute_secret_key(URLContext *h, const uint8_t *serverdata, |
const uint8_t *clientdata, int type); |
|
/** |
* Encrypt the signature. |
* |
* @param h an URLContext |
* @param signature the signature to encrypt |
* @param digest the digest used for finding the encryption key |
* @param type type of encryption (8 for XTEA, 9 for Blowfish) |
*/ |
void ff_rtmpe_encrypt_sig(URLContext *h, uint8_t *signature, |
const uint8_t *digest, int type); |
|
/** |
* Update the keystream and set RC4 keys for encryption. |
* |
* @param h an URLContext |
* @return zero on success, negative value otherwise |
*/ |
int ff_rtmpe_update_keystream(URLContext *h); |
|
#endif /* AVFORMAT_RTMPCRYPT_H */ |