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xtea: add av_xtea_alloc()

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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
James Almer 2015-07-28 16:57:48 -03:00 committed by Anton Khirnov
parent b469832de9
commit 5d8bea3bb2
3 changed files with 23 additions and 0 deletions
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1
doc/APIchanges
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@ -16,6 +16,7 @@ API changes, most recent first:
2015-xx-xx - lavu 54.17.0
xxxxxxx - Add av_blowfish_alloc().
xxxxxxx - Add av_rc4_alloc().
xxxxxxx - Add av_xtea_alloc().
2015-07-29 - 7e38340 - lavu 54.16.0 - hmac.h
Add AV_HMAC_SHA224 and AV_HMAC_SHA256.

12
libavutil/xtea.c
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@ -31,8 +31,20 @@
#include "avutil.h"
#include "common.h"
#include "intreadwrite.h"
#include "mem.h"
#include "xtea.h"
#if !FF_API_CRYPTO_CONTEXT
struct AVXTEA {
uint32_t key[16];
};
#endif
AVXTEA *av_xtea_alloc(void)
{
return av_mallocz(sizeof(struct AVXTEA));
}
void av_xtea_init(AVXTEA *ctx, const uint8_t key[16])
{
int i;

10
libavutil/xtea.h
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@ -22,6 +22,7 @@
#define AVUTIL_XTEA_H
#include <stdint.h>
#include "version.h"
/**
* @file
@ -31,9 +32,18 @@
* @{
*/
#if FF_API_CRYPTO_CONTEXT
typedef struct AVXTEA {
uint32_t key[16];
} AVXTEA;
#else
typedef struct AVXTEA AVXTEA;
#endif
/**
* Allocate an AVXTEA context.
*/
AVXTEA *av_xtea_alloc(void);
/**
* Initialize an AVXTEA context.