diff options
author | Fox Caminiti <fox@foxcam.net> | 2022-12-16 20:16:43 -0500 |
---|---|---|
committer | Fox Caminiti <fox@foxcam.net> | 2022-12-16 20:16:43 -0500 |
commit | bedd6906eabdd513042d6a178d4dc56a3a41d1d3 (patch) | |
tree | 2bcbd3e46ae61e583707a2ccc5b3f5cfeacb61a8 /dependencies/include/libavutil/camellia.h | |
parent | cdb9e1f7240cb0716b7d99df5e1fd7c3fc3407a8 (diff) |
v3, file/build organization
Diffstat (limited to 'dependencies/include/libavutil/camellia.h')
-rw-r--r-- | dependencies/include/libavutil/camellia.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/dependencies/include/libavutil/camellia.h b/dependencies/include/libavutil/camellia.h new file mode 100644 index 0000000..9678710 --- /dev/null +++ b/dependencies/include/libavutil/camellia.h @@ -0,0 +1,70 @@ +/* + * An implementation of the CAMELLIA algorithm as mentioned in RFC3713 + * Copyright (c) 2014 Supraja Meedinti + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_CAMELLIA_H +#define AVUTIL_CAMELLIA_H + +#include <stdint.h> + + +/** + * @file + * @brief Public header for libavutil CAMELLIA algorithm + * @defgroup lavu_camellia CAMELLIA + * @ingroup lavu_crypto + * @{ + */ + +extern const int av_camellia_size; + +struct AVCAMELLIA; + +/** + * Allocate an AVCAMELLIA context + * To free the struct: av_free(ptr) + */ +struct AVCAMELLIA *av_camellia_alloc(void); + +/** + * Initialize an AVCAMELLIA context. + * + * @param ctx an AVCAMELLIA context + * @param key a key of 16, 24, 32 bytes used for encryption/decryption + * @param key_bits number of keybits: possible are 128, 192, 256 + */ +int av_camellia_init(struct AVCAMELLIA *ctx, const uint8_t *key, int key_bits); + +/** + * Encrypt or decrypt a buffer using a previously initialized context + * + * @param ctx an AVCAMELLIA context + * @param dst destination array, can be equal to src + * @param src source array, can be equal to dst + * @param count number of 16 byte blocks + * @param iv initialization vector for CBC mode, NULL for ECB mode + * @param decrypt 0 for encryption, 1 for decryption + */ +void av_camellia_crypt(struct AVCAMELLIA *ctx, uint8_t *dst, const uint8_t *src, int count, uint8_t* iv, int decrypt); + +/** + * @} + */ +#endif /* AVUTIL_CAMELLIA_H */ |