diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /include/crypto/xts.h |
Initial import
Diffstat (limited to 'include/crypto/xts.h')
-rw-r--r-- | include/crypto/xts.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/crypto/xts.h b/include/crypto/xts.h new file mode 100644 index 000000000..72c09eb56 --- /dev/null +++ b/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 */ |