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| author | James Almer <jamrial@gmail.com> | 2015-07-28 16:57:46 -0300 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2015-07-31 09:04:09 +0200 |
| commit | 7a7df34c91e16ea8936f59524145a2cdd6b790f9 (patch) | |
| tree | b19bbe820373398e3bae2a0da87167c628d54dac /libavutil/blowfish.c | |
| parent | cd4d9df22738e6f147521ccb72c7930db6050914 (diff) | |
| download | ffmpeg-7a7df34c91e16ea8936f59524145a2cdd6b790f9.tar.gz | |
blowfish: add av_blowfish_alloc()
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavutil/blowfish.c')
| -rw-r--r-- | libavutil/blowfish.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libavutil/blowfish.c b/libavutil/blowfish.c index 8437dd6f94..a392459397 100644 --- a/libavutil/blowfish.c +++ b/libavutil/blowfish.c @@ -24,8 +24,18 @@ #include "avutil.h" #include "common.h" #include "intreadwrite.h" +#include "mem.h" #include "blowfish.h" +#if !FF_API_CRYPTO_CONTEXT +#define AV_BF_ROUNDS 16 + +struct AVBlowfish { + uint32_t p[AV_BF_ROUNDS + 2]; + uint32_t s[4][256]; +}; +#endif + static const uint32_t orig_p[AV_BF_ROUNDS + 2] = { 0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89, @@ -312,6 +322,11 @@ static void F(AVBlowfish *ctx, uint32_t *xl, uint32_t *xr, int i) *xr = Xl; } +AVBlowfish *av_blowfish_alloc(void) +{ + return av_mallocz(sizeof(struct AVBlowfish)); +} + av_cold void av_blowfish_init(AVBlowfish *ctx, const uint8_t *key, int key_len) { uint32_t data, data_l, data_r; |