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2cb4d51654
* qatar/master: v410dec: Implement explode mode support zerocodec: fix direct rendering. wav: init st to NULL to avoid a false-positive warning. wavpack: set bits_per_raw_sample for S32 samples to properly identify 24-bit h264: refactor NAL decode loop RTMPTE protocol support RTMPE protocol support rtmp: Add ff_rtmp_calc_digest_pos() rtmp: Rename rtmp_calc_digest to ff_rtmp_calc_digest and make it global swscale: add missing HAVE_INLINE_ASM check. lavfi: place x86 inline assembly under HAVE_INLINE_ASM. vc1: Add a test for interlaced field pictures swscale: Mark all init functions as av_cold swscale: x86: Drop pointless _mmx suffix from filenames lavf: use conditional notation for default codec in muxer declarations. swscale: place inline assembly bilinear scaler under HAVE_INLINE_ASM. dsputil: ppc: cosmetics: pretty-print dsputil: x86: add SHUFFLE_MASK_W macro configure: respect CC_O setting in check_cc Conflicts: Changelog configure libavcodec/v410dec.c libavcodec/zerocodec.c libavformat/asfenc.c libavformat/version.h libswscale/utils.c libswscale/x86/swscale.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/*
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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 FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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