diff options
author | Sven Gothel <[email protected]> | 2013-08-27 23:38:51 +0200 |
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committer | Sven Gothel <[email protected]> | 2013-08-27 23:38:51 +0200 |
commit | 70fb61d39f4e40de62dd44b2d8c88d43b9efaf42 (patch) | |
tree | 846bd404cae673b19f4a07f051e483bc58d6189b /make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h | |
parent | b7e1dcb2b510c91a0e61bea12d0fc153878f894a (diff) |
Fix libav/ffmpeg compilation across platforms: Move header back to 'stub_includes'
Diffstat (limited to 'make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h')
-rw-r--r-- | make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h b/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h new file mode 100644 index 000000000..8c29536cf --- /dev/null +++ b/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h @@ -0,0 +1,76 @@ +/* + * Blowfish algorithm + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_BLOWFISH_H +#define AVUTIL_BLOWFISH_H + +#include <stdint.h> + +/** + * @defgroup lavu_blowfish Blowfish + * @ingroup lavu_crypto + * @{ + */ + +#define AV_BF_ROUNDS 16 + +typedef struct AVBlowfish { + uint32_t p[AV_BF_ROUNDS + 2]; + uint32_t s[4][256]; +} AVBlowfish; + +/** + * Initialize an AVBlowfish context. + * + * @param ctx an AVBlowfish context + * @param key a key + * @param key_len length of the key + */ +void av_blowfish_init(struct AVBlowfish *ctx, const uint8_t *key, int key_len); + +/** + * Encrypt or decrypt a buffer using a previously initialized context. + * + * @param ctx an AVBlowfish context + * @param xl left four bytes halves of input to be encrypted + * @param xr right four bytes halves of input to be encrypted + * @param decrypt 0 for encryption, 1 for decryption + */ +void av_blowfish_crypt_ecb(struct AVBlowfish *ctx, uint32_t *xl, uint32_t *xr, + int decrypt); + +/** + * Encrypt or decrypt a buffer using a previously initialized context. + * + * @param ctx an AVBlowfish context + * @param dst destination array, can be equal to src + * @param src source array, can be equal to dst + * @param count number of 8 byte blocks + * @param iv initialization vector for CBC mode, if NULL ECB will be used + * @param decrypt 0 for encryption, 1 for decryption + */ +void av_blowfish_crypt(struct AVBlowfish *ctx, uint8_t *dst, const uint8_t *src, + int count, uint8_t *iv, int decrypt); + +/** + * @} + */ + +#endif /* AVUTIL_BLOWFISH_H */ |