Kacper Michajłow
449944e25f
This mirrors `crypto+` protocol from ffmpeg, which is used in HLS demuxer. Unfortunatelly ffmpeg doesn't use custom io_open in their crypto.c, so we spin our own decryption.
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv 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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* mpv 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
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* GNU 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 mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <libavformat/avio.h>
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struct bstr;
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// AES-128-CBC + PKCS#7 decryption layer over `inner`. `key` and `iv` are 16
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// bytes each; other lengths return AVERROR(EINVAL). Neither buffer is retained
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// past this call.
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//
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// The returned wrapper is read-only and non-seekable, and does not own
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// `inner`.
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int mp_avio_crypto_open(AVIOContext **out_pb, AVIOContext *inner,
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struct bstr key, struct bstr iv);
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void mp_avio_crypto_close(AVIOContext **pb);
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