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27 lines
613 B
27 lines
613 B
#ifndef _CRYPTO_XTS_H
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#define _CRYPTO_XTS_H
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#include <crypto/b128ops.h>
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struct scatterlist;
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struct blkcipher_desc;
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#define XTS_BLOCK_SIZE 16
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struct xts_crypt_req {
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be128 *tbuf;
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unsigned int tbuflen;
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void *tweak_ctx;
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void (*tweak_fn)(void *ctx, u8* dst, const u8* src);
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void *crypt_ctx;
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void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes);
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};
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#define XTS_TWEAK_CAST(x) ((void (*)(void *, u8*, const u8*))(x))
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int xts_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
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struct scatterlist *src, unsigned int nbytes,
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struct xts_crypt_req *req);
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#endif /* _CRYPTO_XTS_H */
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