/*---------------------------------------------------------------------------*
  Project:  TwlSDK - include
  File:     crypto/prng.h

  Copyright 2008-2009 Nintendo.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law. They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Date::$
  $Rev: 10698 $
  $Author: okubata_ryoma $
 *---------------------------------------------------------------------------*/

#ifndef NITRO_CRYPTO_PRNG_H_
#define NITRO_CRYPTO_PRNG_H_

#ifdef __cplusplus
extern "C" {
#endif


/*---------------------------------------------------------------------------*
    Constant Definitions
 *---------------------------------------------------------------------------*/


/*---------------------------------------------------------------------------*
    Type Definitions
 *---------------------------------------------------------------------------*/


/*---------------------------------------------------------------------------*
    Constant Structure Declarations
 *---------------------------------------------------------------------------*/


/*---------------------------------------------------------------------------*
    Function Declarations
 *---------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------*
  Name:         CRYPTO_PRNG_GatherEntropy

  Description:  Creates entropy for generating random numbers.

  Arguments:    None.

  Returns:      0 on success and a non-zero value on failure
 *---------------------------------------------------------------------------*/
s32 CRYPTO_PRNG_GatherEntropy( void );

/*---------------------------------------------------------------------------*
  Name:         CRYPTO_PRNG_GenerateRandom

  Description:  Generates random numbers.

  Arguments:    randomBytes:  Output buffer for random numbers
                size:         Output size

  Returns:      0 on success and a non-zero value on failure
 *---------------------------------------------------------------------------*/
s32 CRYPTO_PRNG_GenerateRandom( u8 *randomBytes, u32 size );


/* For internal use */



#ifdef __cplusplus
}
#endif

#endif //NITRO_CRYPTO_PRNG_H_