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/*
* methods.c: Method implementations for nwipe.
*
* Copyright Darik Horn <dajhorn-dban@vanadac.com>.
*
* Modifications to original dwipe Copyright Andy Beverley <andy@andybev.com>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#ifndef METHOD_H_
#define METHOD_H_
/* The argument list for nwipe methods. */
#define NWIPE_METHOD_SIGNATURE nwipe_context_t* c
typedef enum nwipe_verify_t_ {
NWIPE_VERIFY_NONE = 0, // Do not read anything back from the device.
NWIPE_VERIFY_LAST, // Check the last pass.
NWIPE_VERIFY_ALL, // Check all passes.
} nwipe_verify_t;
/* The typedef of the function that will do the wipe. */
typedef int ( *nwipe_method_t )( void* ptr );
typedef struct
{
int length; // Length of the pattern in bytes, -1 means random.
char* s; // The actual bytes of the pattern.
} nwipe_pattern_t;
const char* nwipe_method_label( void* method );
int nwipe_runmethod( NWIPE_METHOD_SIGNATURE, nwipe_pattern_t* patterns );
void* nwipe_dod522022m( void* ptr );
void* nwipe_dodshort( void* ptr );
void* nwipe_gutmann( void* ptr );
void* nwipe_ops2( void* ptr );
void* nwipe_is5enh( void* ptr );
void* nwipe_random( void* ptr );
void* nwipe_zero( void* ptr );
void* nwipe_one( void* ptr );
void* nwipe_verify_zero( void* ptr );
void* nwipe_verify_one( void* ptr );
void calculate_round_size( nwipe_context_t* );
#endif /* METHOD_H_ */
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