| #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 */ |