#ifndef ECDAA_COMMON_H
#define ECDAA_COMMON_H

#include <sys/random.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>

#define DEBUG     //enable on screen debug information

#define ISSUERPORT 6590
#define MEMBERPORT 6591
#define VERIFIERPORT 6592

#define MAX_CLIENTS 10
#define MAX_MSGSIZE 15000
#define MAX_CHKSUMSIZE 1024
#define MAX_BUFSIZE (((MAX_MSGSIZE + 2) / 3) * 4) + (((MAX_CHKSUMSIZE + 2) / 3) * 4) + 1536
/* #define MAX_MSGSIZE ((MAX_BUFSIZE - 1536) / 2) - MAX_CHKSUMSIZE //for bin to hex*/
/* #define MAX_MSGSIZE ((MAX_BUFSIZE - 1536) / 4 * 3) - MAX_CHKSUMSIZE //for base64 */
#define MAX_BSNSIZE 128
#define NONCE_SIZE 384

const char* issuer_public_key_file = "ipk.bin";
const char* issuer_secret_key_file = "isk.bin";
const char* member_tpm_handle_file = "tpmhndl.bin";     //Handle to access tpm key
const char* member_tpm_key_file = "tpmpk.bin";          //public key to access TPM key (!= mpk)
const char* member_secret_key_file = "msk.bin";         //for TPM less members only
const char* member_public_key_file = "mpk.bin";
const char* member_credential_file = "mcred.bin";
const char* member_nonce_file = "mnonce.bin";
const char* verifier_group_pk_file = "gpk.bin";
const char* message_file = "msg.txt";                   //Checksum of message in chksum.txt
const char* checksum_file = "chksum.txt";               //Only this file is signed due to 1024 bytes size limit

typedef int (*conn_handler)(char *buffer);

void ecdaa_rand(void *buffer, size_t buflen);

size_t ecdaa_decode(const char *in_enc, uint8_t *out_dec, size_t outlen);

size_t ecdaa_encode(const uint8_t *in_dec, char *out_enc, size_t inlen);

#endif //ECDAA_COMMON_H