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