encrypt.h

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#ifndef EOLIB_ENCRYPT_H
#define EOLIB_ENCRYPT_H
 
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
 
#include "eolib/rng.h"

static int32_t eo_generate_server_verification_challenge(void)
{
    return eo_rand() % (int32_t)1000000;
}

int32_t eo_server_verification_hash(int32_t challenge);

void eo_swap_multiples(uint8_t *data, size_t length, uint8_t multiple);

uint8_t eo_generate_swap_multiple(void);

void eo_encrypt_packet(uint8_t *data, size_t length, uint8_t swap_multiple);

void eo_decrypt_packet(uint8_t *data, size_t length, uint8_t swap_multiple);
 
#endif