1#ifndef _CRYPTO_XTS_H 2#define _CRYPTO_XTS_H 3 4#include <crypto/b128ops.h> 5 6struct scatterlist; 7struct blkcipher_desc; 8 9#define XTS_BLOCK_SIZE 16 10 11struct xts_crypt_req { 12 be128 *tbuf; 13 unsigned int tbuflen; 14 15 void *tweak_ctx; 16 void (*tweak_fn)(void *ctx, u8* dst, const u8* src); 17 void *crypt_ctx; 18 void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes); 19}; 20 21#define XTS_TWEAK_CAST(x) ((void (*)(void *, u8*, const u8*))(x)) 22 23int xts_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, 24 struct scatterlist *src, unsigned int nbytes, 25 struct xts_crypt_req *req); 26 27#endif /* _CRYPTO_XTS_H */ 28