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105 lines
3.5 KiB
C
105 lines
3.5 KiB
C
/*
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* GStreamer gstreamer-aeshelper
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*
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* Copyright, LCC (C) 2015 RidgeRun, LCC <carsten.behling@ridgerun.com>
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* Copyright, 2020 Nice, Contact: Rabindra Harlalka <Rabindra.Harlalka@nice.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1335, USA.
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*/
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#ifndef __GST_AES_HELPER_H__
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#define __GST_AES_HELPER_H__
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#include <gst/gst.h>
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#include <openssl/conf.h>
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#include <openssl/evp.h>
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#include <openssl/err.h>
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/**
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* GstAesCipher:
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* @GST_AES_CIPHER_128_CBC: AES cipher with 128 bit key using CBC
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* @GST_AES_CIPHER_256_CBC: AES cipher with 256 bit key using CBC
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*
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* Type of AES cipher to use
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*
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* Since: 1.20
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*/
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typedef enum {
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GST_AES_CIPHER_128_CBC,
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GST_AES_CIPHER_256_CBC
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} GstAesCipher;
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#define GST_AES_DEFAULT_SERIALIZE_IV FALSE
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#define GST_AES_DEFAULT_KEY ""
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#define GST_AES_DEFAULT_IV ""
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#define GST_AES_DEFAULT_CIPHER_MODE GST_AES_CIPHER_128_CBC
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#define GST_AES_PER_BUFFER_PADDING_DEFAULT TRUE
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#define GST_AES_BLOCK_SIZE 16
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/* only 128 or 256 bit key length is supported */
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#define GST_AES_MAX_KEY_SIZE 32
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enum
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{
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PROP_0,
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PROP_CIPHER,
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PROP_SERIALIZE_IV,
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PROP_KEY,
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PROP_IV,
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PROP_PER_BUFFER_PADDING
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};
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G_BEGIN_DECLS
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GType gst_aes_cipher_get_type (void);
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#define GST_TYPE_AES_CIPHER (gst_aes_cipher_get_type ())
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const gchar* gst_aes_cipher_enum_to_string (GstAesCipher cipher);
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gchar
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gst_aes_nibble_to_hex (gchar in);
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gchar *
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gst_aes_bytearray2hexstring (const guchar * in, gchar * const out,
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const gushort len);
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guint
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gst_aes_hexstring2bytearray (GstElement * filter, const gchar * in,
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guchar * out);
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G_END_DECLS
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#endif /* __GST_AES_HELPER_H__ */
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