mirror of
https://github.com/holub/mame
synced 2025-07-15 14:39:48 +03:00
41 lines
683 B
C++
41 lines
683 B
C++
// RandGen.h
|
|
|
|
#ifndef __CRYPTO_RAND_GEN_H
|
|
#define __CRYPTO_RAND_GEN_H
|
|
|
|
#include "../../../C/Sha256.h"
|
|
|
|
#ifdef _WIN64
|
|
// #define USE_STATIC_SYSTEM_RAND
|
|
#endif
|
|
|
|
#ifdef USE_STATIC_SYSTEM_RAND
|
|
|
|
#ifdef _WIN32
|
|
#include <ntsecapi.h>
|
|
#define MY_RAND_GEN(data, size) RtlGenRandom(data, size)
|
|
#else
|
|
#define MY_RAND_GEN(data, size) getrandom(data, size, 0)
|
|
#endif
|
|
|
|
#else
|
|
|
|
class CRandomGenerator
|
|
{
|
|
Byte _buff[SHA256_DIGEST_SIZE];
|
|
bool _needInit;
|
|
|
|
void Init();
|
|
public:
|
|
CRandomGenerator(): _needInit(true) {};
|
|
void Generate(Byte *data, unsigned size);
|
|
};
|
|
|
|
extern CRandomGenerator g_RandomGenerator;
|
|
|
|
#define MY_RAND_GEN(data, size) g_RandomGenerator.Generate(data, size)
|
|
|
|
#endif
|
|
|
|
#endif
|