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/*
* Copyright (c) 2011 Alex Hornung <alex@alexhornung.com>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``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 THE
* COPYRIGHT HOLDERS OR CONTRIBUTORS 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.
*/

#define TC_OK 0
#define TC_ERR -1

typedef struct tc_api_opts {
/* Common fields */
char *tc_device;
char *tc_passphrase;
const char **tc_keyfiles;

/* Fields for mapping */
char *tc_map_name;
int tc_password_retries;
int tc_interactive_prompt;
unsigned long tc_prompt_timeout;

/* Fields for creation */
char *tc_cipher;
char *tc_prf_hash;
char *tc_cipher_hidden;
char *tc_prf_hash_hidden;
size_t tc_size_hidden_in_bytes;
char *tc_passphrase_hidden;
const char **tc_keyfiles_hidden;
} tc_api_opts;

int tc_api_init(int verbose);
int tc_api_uninit(void);
int tc_api_create_volume(tc_api_opts *api_opts);
int tc_api_map_volume(tc_api_opts *api_opts);
int tc_api_unmap_volume(tc_api_opts *api_opts);
int tc_api_check_cipher(tc_api_opts *api_opts);
int tc_api_check_prf_hash(tc_api_opts *api_opts);
const char *tc_api_get_error_msg(void);
const char *tc_api_get_summary(void);
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