mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-14 15:54:15 +08:00
ce0045561e
Add xts_crypt() function that can be used by cipher implementations that can benefit from parallelized cipher operations. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
28 lines
613 B
C
28 lines
613 B
C
#ifndef _CRYPTO_XTS_H
|
|
#define _CRYPTO_XTS_H
|
|
|
|
#include <crypto/b128ops.h>
|
|
|
|
struct scatterlist;
|
|
struct blkcipher_desc;
|
|
|
|
#define XTS_BLOCK_SIZE 16
|
|
|
|
struct xts_crypt_req {
|
|
be128 *tbuf;
|
|
unsigned int tbuflen;
|
|
|
|
void *tweak_ctx;
|
|
void (*tweak_fn)(void *ctx, u8* dst, const u8* src);
|
|
void *crypt_ctx;
|
|
void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes);
|
|
};
|
|
|
|
#define XTS_TWEAK_CAST(x) ((void (*)(void *, u8*, const u8*))(x))
|
|
|
|
int xts_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
|
|
struct scatterlist *src, unsigned int nbytes,
|
|
struct xts_crypt_req *req);
|
|
|
|
#endif /* _CRYPTO_XTS_H */
|