random.h

使用visual studio 2005 开发的开源文件、磁盘加密软件。这是6.1a版。加密自己资料的好工具。也是学习的优秀范本。结成了众多加密算法。

/*
 Legal Notice: Some portions of the source code contained in this file were
 derived from the source code of Encryption for the Masses 2.02a, which is
 Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License
 Agreement for Encryption for the Masses'. Modifications and additions to
 the original source code (contained in this file) and all other portions of
 this file are Copyright (c) 2003-2008 TrueCrypt Foundation and are governed
 by the TrueCrypt License 2.6 the full text of which is contained in the
 file License.txt included in TrueCrypt binary and source code distribution
 packages. */


#include "Crypto.h"

#ifdef __cplusplus
extern "C" {
#endif

/* RNG defines & pool pointers */
#define RNG_POOL_SIZE	640	// Must be divisible by the size of the output of each of the implemented hash functions. (in bytes)
#if RNG_POOL_SIZE % SHA512_DIGESTSIZE || RNG_POOL_SIZE % WHIRLPOOL_DIGESTSIZE || RNG_POOL_SIZE % RIPEMD160_DIGESTSIZE
#error RNG_POOL_SIZE must be divisible by the size of the output of each of the implemented hash functions.
#endif

#define RANDOMPOOL_ALLOCSIZE	RNG_POOL_SIZE

// After every RANDMIX_BYTE_INTERVAL-th byte written to the pool, the pool mixing function is applied to the entire pool
#define RANDMIX_BYTE_INTERVAL	16

// FastPoll interval (in milliseconds)
#define FASTPOLL_INTERVAL		500

void RandAddInt ( unsigned __int32 x );
int Randinit ( void );
void Randfree ( void );
void RandSetHashFunction ( int hash_algo_id );
int RandGetHashFunction (void);
BOOL Randmix ( void );
void RandaddBuf ( void *buf , int len );
BOOL FastPoll ( void );
BOOL SlowPoll ( void );
BOOL RandpeekBytes ( unsigned char *buf , int len );
BOOL RandgetBytes ( unsigned char *buf , int len, BOOL forceSlowPoll );

#ifdef _WIN32

extern BOOL volatile bFastPollEnabled;
extern BOOL volatile bRandmixEnabled;

LRESULT CALLBACK MouseProc ( int nCode , WPARAM wParam , LPARAM lParam );
LRESULT CALLBACK KeyboardProc ( int nCode , WPARAM wParam , LPARAM lParam );
void ThreadSafeThreadFunction ( void *dummy );

#endif

#ifdef __cplusplus
}
#endif