#ifndef __U2F_H_INCLUDED__

#define __U2F_H_INCLUDED__

#ifdef __cplusplus

extern "C" {

#endif

#ifdef _MSC_VER // Windows

typedef unsigned char uint8_t;

typedef unsigned short uint16_t;

typedef unsigned int uint32_t;

#else

#include <stdint.h>

#endif

typedef unsigned int uint;

typedef unsigned long ulong;

typedef enum {flagOFF = 0, flagON} flag;

#define MAX_ECDSA_SIG_SIZE 72 // asn1 DER format

#define MIN_KH_SIZE 32

#define MAX_KH_SIZE 255 // key handle

#define MAX_CERT_SIZE 2048 // attestation certificate

#define APDU_BUFFER_SIZE 5000

#define U2F_APPID_SIZE 32

#define U2F_NONCE_SIZE 32

#define U2F_INS_REGISTER 0x01

#define U2F_INS_AUTHENTICATE 0x02

#define U2F_REGISTER_ID 0x05 // magic constant

#define U2F_REGISTER_HASH_ID 0x00 // magic constant

#define U2F_AUTH_ENFORCE 0x03 // Require user presence

#define U2F_AUTH_CHECK_ONLY 0x07 // Test but do not consume

#define U2F_CTR_SIZE 4 // Size of counter field

#define U2F_APPID_SIZE 32 // Size of application id

#define U2F_CHAL_SIZE 32 // Size of challenge

#define U2F_MAX_KH_SIZE 128 // Max size of key handle

#define U2F_MAX_ATT_CERT_SIZE 1024 // Max size of attestation certificate

#define U2F_MAX_EC_SIG_SIZE 72 // Max size of DER coded EC signature

#ifdef _MSC_VER

#include <windows.h>

#define usleep(x) Sleep((x + 999) / 1000)

#else

#include <unistd.h>

#define max(a, b) ({ __typeof__ (a) _a = (a); \

__typeof__ (b) _b = (b); \

_a > _b ? _a : _b; })

#define min(a, b) ({ __typeof__ (a) _a = (a); \

__typeof__ (b) _b = (b); \

_a < _b ? _a : _b; })

#endif

#define CHECK_INFO "FILE:" << __FILE__ " FUNCTION:" << __FUNCTION__ << " LINE:" << __LINE__ << "\n"

#ifdef _MSC_VER // ANSI codes are a pain on PC

#define CHECK_EQ(a, b) do { if ((a) != (b)) { std::cerr << "CHECK_EQ fail at " << CHECK_INFO#a << " != "#b << ":"; AbortOrNot(); }} while (0)

#define CHECK_NE(a, b) do { if ((a) == (b)) { std::cerr << "CHECK_NE fail at " << CHECK_INFO#a << " == "#b << ":"; AbortOrNot(); }} while (0)

#define CHECK_GE(a, b) do { if ((a) < (b)) { std::cerr << "CHECK_GE fail at " << CHECK_INFO#a << " < "#b << ":"; AbortOrNot(); }} while (0)

#define CHECK_GT(a, b) do { if ((a) <= (b)) { std::cerr << "CHECK_GT fail at " << CHECK_INFO#a << " < "#b << ":"; AbortOrNot(); }} while (0)

#define CHECK_LT(a, b) do { if ((a) >= (b)) { std::cerr << "CHECK_LT fail at " << CHECK_INFO#a << " >= "#b << ":"; AbortOrNot(); }} while (0)

#define CHECK_LE(a, b) do { if ((a) > (b)) { std::cerr << "CHECK_LE fail at " << CHECK_INFO#a << " > "#b << ":"; AbortOrNot(); }} while (0)

#define PASS(x) do { (x); std::cout << "PASS("#x")" << std::endl; } while (0)

#else

#define CHECK_EQ(a, b) do { if ((a) != (b)) { std::cerr << "\x1b[31mCHECK_EQ fail at " << CHECK_INFO#a << " != "#b << ":\x1b[0m "; AbortOrNot(); }} while (0)

#define CHECK_NE(a, b) do { if ((a) == (b)) { std::cerr << "\x1b[31mCHECK_NE fail at " << CHECK_INFO#a << " == "#b << ":\x1b[0m "; AbortOrNot(); }} while (0)

#define CHECK_GE(a, b) do { if ((a) < (b)) { std::cerr << "\x1b[31mCHECK_GE fail at " << CHECK_INFO#a << " < "#b << ":\x1b[0m "; AbortOrNot(); }} while (0)

#define CHECK_GT(a, b) do { if ((a) <= (b)) { std::cerr << "\x1b[31mCHECK_GT fail at " << CHECK_INFO#a << " < "#b << ":\x1b[0m "; AbortOrNot(); }} while (0)

#define CHECK_LT(a, b) do { if ((a) >= (b)) { std::cerr << "\x1b[31mCHECK_LT fail at " << CHECK_INFO#a << " >= "#b << ":\x1b[0m "; AbortOrNot(); }} while (0)

#define CHECK_LE(a, b) do { if ((a) > (b)) { std::cerr << "\x1b[31mCHECK_LE fail at " << CHECK_INFO#a << " > "#b << ":\x1b[0m "; AbortOrNot(); }} while (0)

#define PASS(x) do { (x); std::cout << "\x1b[32mPASS("#x")\x1b[0m" << std::endl; } while (0)

#endif

#define INFO if (arg_Verbose) U2F_info(__FUNCTION__, __LINE__) << ": "

#ifdef __cplusplus

}

#endif

#endif // __U2F_H_INCLUDED__