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#pragma once
#include "util_ct.h"
#include "data.h"
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
typedef struct prne_dvault_mask_result prne_dvault_mask_result_t;
typedef struct prne_dvault prne_dvault_t;
typedef enum {
PRNE_DATA_TYPE_NONE = -1,
PRNE_DATA_TYPE_CSTR,
PRNE_DATA_TYPE_BIN,
NB_PRNE_DATA_TYPE
} prne_data_type_t;
PRNE_LIMIT_ENUM(prne_data_type_t, NB_PRNE_DATA_TYPE, 0xFF);
typedef enum {
PRNE_DVAULT_MASK_OK,
PRNE_DVAULT_MASK_MEM_ERR,
PRNE_DVAULT_MASK_TOO_LARGE,
PRNE_DVAULT_MASK_INVALID_TYPE
} prne_dvault_mask_result_code_t;
struct prne_dvault_mask_result {
size_t size;
uint8_t *data;
prne_dvault_mask_result_code_t result;
};
const char *prne_data_type_tostr (const prne_data_type_t t);
prne_data_type_t prne_data_type_fstr (const char *str);
void prne_dvault_invert_mem (
const size_t size,
void *m,
const uint8_t salt,
const size_t salt_ofs,
const uint8_t *mask);
void prne_init_dvault_mask_result (prne_dvault_mask_result_t *r);
void prne_free_dvault_mask_result (prne_dvault_mask_result_t *r);
prne_dvault_mask_result_t prne_dvault_mask (
const prne_data_type_t type,
const uint8_t salt,
const uint8_t *mask,
const size_t data_size,
const uint8_t *data);
const char *prne_dvault_mask_result_tostr (
const prne_dvault_mask_result_code_t code);
/* prne_init_dvault(const void *m)
*
* ARGS:
* m: pointer to start of readable and writable a dvault made by
* proone-mkdvault. This region of memory must be writable.
*/
void prne_init_dvault (const void *m);
/* prne_deinit_dvault (const void *m)
*
* Calls prne_dvault_reset(). Revert changes to the data vault memory.
*/
void prne_deinit_dvault (void);
// len: strlen()
const char *prne_dvault_get_cstr (const prne_data_key_t key, size_t *len);
const uint8_t *prne_dvault_get_bin (const prne_data_key_t key, size_t *len);
void prne_dvault_reset (void);
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