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crypto.h
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64 lines (58 loc) · 2.26 KB
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/*
** SQLCipher
** crypto.h developed by Stephen Lombardo (Zetetic LLC)
** sjlombardo at zetetic dot net
** http://zetetic.net
**
** Copyright (c) 2008, ZETETIC LLC
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** * Neither the name of the ZETETIC LLC nor the
** names of its contributors may be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY ZETETIC LLC ''AS IS'' AND ANY
** EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL ZETETIC LLC BE LIABLE FOR ANY
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
*/
/* BEGIN CRYPTO */
#ifdef SQLITE_HAS_CODEC
#ifndef CRYPTO_H
#define CRYPTO_H
#define FILE_HEADER_SZ 16
#ifndef CIPHER
#define CIPHER "aes-256-cbc"
#endif
#define CIPHER_DECRYPT 0
#define CIPHER_ENCRYPT 1
#ifndef PBKDF2_ITER
#define PBKDF2_ITER 4000
#endif
void sqlite3pager_get_codec(Pager *pPager, void **ctx);
int sqlite3pager_is_mj_pgno(Pager *pPager, Pgno pgno);
sqlite3_file *sqlite3Pager_get_fd(Pager *pPager);
void sqlite3pager_sqlite3PagerSetCodec(
Pager *pPager,
void *(*xCodec)(void*,void*,Pgno,int),
void (*xCodecSizeChng)(void*,int,int),
void (*xCodecFree)(void*),
void *pCodec
);
#endif
#endif
/* END CRYPTO */