sqlcipher/src/sqlcipher.h at Xcode5 · ChatSecure/sqlcipher · GitHub

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** SQLCipher

** sqlcipher.h developed by Stephen Lombardo (Zetetic LLC)

** sjlombardo at zetetic dot net

** http://zetetic.net

** 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 SQLCIPHER */

#ifdef SQLITE_HAS_CODEC

#ifndef SQLCIPHER_H

#define SQLCIPHER_H

typedef struct {

int (*activate)(void *ctx);

int (*deactivate)(void *ctx);

const char* (*get_provider_name)(void *ctx);

int (*add_random)(void *ctx, void *buffer, int length);

int (*random)(void *ctx, void *buffer, int length);

int (*hmac)(void *ctx, unsigned char *hmac_key, int key_sz, unsigned char *in, int in_sz, unsigned char *in2, int in2_sz, unsigned char *out);

int (*kdf)(void *ctx, const char *pass, int pass_sz, unsigned char* salt, int salt_sz, int workfactor, int key_sz, unsigned char *key);

int (*cipher)(void *ctx, int mode, unsigned char *key, int key_sz, unsigned char *iv, unsigned char *in, int in_sz, unsigned char *out);

int (*set_cipher)(void *ctx, const char *cipher_name);

const char* (*get_cipher)(void *ctx);

int (*get_key_sz)(void *ctx);

int (*get_iv_sz)(void *ctx);

int (*get_block_sz)(void *ctx);

int (*get_hmac_sz)(void *ctx);

int (*ctx_copy)(void *target_ctx, void *source_ctx);

int (*ctx_cmp)(void *c1, void *c2);

int (*ctx_init)(void **ctx);

int (*ctx_free)(void **ctx);

} sqlcipher_provider;

/* utility functions */

void sqlcipher_free(void *ptr, int sz);

void* sqlcipher_malloc(int sz);

void* sqlcipher_memset(void *v, unsigned char value, int len);

int sqlcipher_ismemset(const void *v, unsigned char value, int len);

int sqlcipher_memcmp(const void *v0, const void *v1, int len);

void sqlcipher_free(void *, int);

/* provider interfaces */

int sqlcipher_register_provider(sqlcipher_provider *p);

sqlcipher_provider* sqlcipher_get_provider();

#endif

/* END SQLCIPHER */

sqlcipher/src/sqlcipher.h at Xcode5 · ChatSecure/sqlcipher · GitHub

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