-/*

- Legal Notice: Some portions of the source code contained in this file were

- derived from the source code of TrueCrypt 7.1a, which is

- Copyright (c) 2003-2012 TrueCrypt Developers Association and which is

- governed by the TrueCrypt License 3.0, also 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) 2013-2016 IDRIX

- and are governed by the Apache License 2.0 the full text of which is

- contained in the file License.txt included in VeraCrypt binary and source

- code distribution packages. */

-

-

-#include "Crypto.h"

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* RNG defines & pool pointers */

-#define RNG_POOL_SIZE 320 // 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 RandStop (BOOL freePool);

-BOOL IsRandomNumberGeneratorStarted ();

-void RandSetHashFunction ( int hash_algo_id );

-int RandGetHashFunction (void);

-void SetRandomPoolEnrichedByUserStatus (BOOL enriched);

-BOOL IsRandomPoolEnrichedByUser ();

-BOOL Randmix ( void );

-void RandaddBuf ( void *buf , int len );

-BOOL FastPoll ( void );

-BOOL SlowPoll ( void );

-

-/* Get len random bytes from the pool (max. RNG_POOL_SIZE bytes per a single call) */

-BOOL RandgetBytes ( void* hwndDlg, unsigned char *buf , int len, BOOL forceSlowPoll );

-

-/* Get len random bytes from the pool.

- * If allowAnyLength is FALSE, then len must be less or equal to RNG_POOL_SIZE

- * If allowAnyLength is TRUE, then len can have any positive value

- */

-BOOL RandgetBytesFull ( void* hwndDlg, unsigned char *buf , int len, BOOL forceSlowPoll , BOOL allowAnyLength);

-

-#ifdef _WIN32

-

-extern BOOL volatile bFastPollEnabled;

-extern BOOL volatile bRandmixEnabled;

-extern DWORD CryptoAPILastError;

-extern DWORD ProcessedMouseEventsCounter;

-

-BOOL RandpeekBytes ( void* hwndDlg, unsigned char *buf , int len, DWORD* mouseCounter );

-void RandAddInt64 ( unsigned __int64 x );

-

-LRESULT CALLBACK MouseProc ( int nCode , WPARAM wParam , LPARAM lParam );

-LRESULT CALLBACK KeyboardProc ( int nCode , WPARAM wParam , LPARAM lParam );

-static unsigned __stdcall PeriodicFastPollThreadProc (void *dummy);

-

-#endif

-

-#ifdef __cplusplus

-}

-#endif