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