diff options
Diffstat (limited to 'kernel/include/crypto/xts.h')
| -rw-r--r-- | kernel/include/crypto/xts.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/kernel/include/crypto/xts.h b/kernel/include/crypto/xts.h new file mode 100644 index 000000000..72c09eb56 --- /dev/null +++ b/kernel/include/crypto/xts.h @@ -0,0 +1,27 @@ +#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 */ |