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28 lines
634 B
C
28 lines
634 B
C
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/*
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* Copyright (c) 2012 by naehrwert
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* This file is released under the GPLv2.
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*/
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#ifndef _AES_XTS_H_
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#define _AES_XTS_H_
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#include "../utils/types.h"
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//Using polarssl.
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#include "aes.h"
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/*! AES-XTS context. */
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typedef struct _aes_xts_ctxt {
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aes_context twk_ctxt;
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aes_context aes_ctxt;
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int mode;
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int keybits;
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} aes_xts_ctxt_t;
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/*! Initialize AES-XTS context. */
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int aes_xts_init(aes_xts_ctxt_t *ctxt, int mode, const u8 *data_key, const u8 *tweak_key, int keybits);
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/*! Crypt buffer (must be aligned to 0x10). */
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int aes_xts_crypt(aes_xts_ctxt_t *ctxt, u64 seqno, u32 sector_size, const u8 *in, u8 *out);
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#endif
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