#ifndef __TLSH_TLSH_H__

#define __TLSH_TLSH_H__

#include <stdbool.h>

#define TLSH_OPTION_CONSERVATIVE 2

#define TLSH_OPTION_KEEP_BUCKET 4

#define TLSH_OPTION_PRIVATE 8

#define TLSH_OPTION_THREADED 16

// Define TLSH_STRING_LEN_REQ, which is the string length of "T1" + the hex

// value of the Tlsh hash. BUCKETS_256 & CHECKSUM_3B are compiler switches

// defined in CMakeLists.txt

#if defined BUCKETS_256

#define TLSH_STRING_LEN_REQ 136

// changed the minimum data length to 256 for version 3.3

#define MIN_DATA_LENGTH 50

// added the -force option for version 3.5

// added the -conservatibe option for version 3.17

#define MIN_CONSERVATIVE_DATA_LENGTH 256

#endif

#if defined BUCKETS_128

#define TLSH_STRING_LEN_REQ 72

// changed the minimum data length to 256 for version 3.3

#define MIN_DATA_LENGTH 50

// added the -force option for version 3.5

// added the -conservatibe option for version 3.17

#define MIN_CONSERVATIVE_DATA_LENGTH 256

#endif

#if defined BUCKETS_48

// No 3 Byte checksum option for 48 Bucket min hash

#define TLSH_STRING_LEN 30

// changed the minimum data length to 256 for version 3.3

#define MIN_DATA_LENGTH 10

// added the -force option for version 3.5

#define MIN_CONSERVATIVE_DATA_LENGTH 10

#endif

#define TLSH_STRING_BUFFER_LEN (TLSH_STRING_LEN_REQ + 1)

#ifdef __cplusplus

extern "C" {

#endif

typedef struct TlshImpl TlshImpl;

typedef struct {

TlshImpl* impl;

} Tlsh;

Tlsh* tlsh_new();

void tlsh_free(Tlsh* tlsh);

void tlsh_reset(Tlsh* tlsh);

int tlsh_update(Tlsh* tlsh, const unsigned char* data, unsigned int len);

int tlsh_final(Tlsh* tlsh, const unsigned char* data, unsigned int len, int tlsh_option);

const char* tlsh_get_hash(Tlsh* tlsh, bool showvers);

#ifdef __cplusplus

}

#endif

#endif // __TLSH_TLSH_H__