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/** @file
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __EXYNOS_RNG_H__
#define __EXYNOS_RNG_H__
//
// Protocol interface structure
//
typedef struct _EFI_RNG_PROTOCOL EFI_RNG_PROTOCOL;
/**
* Generates a pseudorandom byte stream of the specified size.
*
* If Output is NULL, then return FALSE.
*
* @param[out] Output Pointer to buffer to receive random value
* @param[in] Size Size of random bytes to generate
*
* @retval TRUE Pseudorandom byte stream generated successfully.
* @retval FALSE Pseudorandom number generator fails to generate due to lack of entropy.
*
**/
typedef
EFI_STATUS
(EFIAPI *EFI_RANDOM_BYTES) (
IN CONST EFI_RNG_PROTOCOL *This,
OUT UINT8 *Output,
IN UINTN Size
);
///
/// This protocol allows creating peudorandom random number using HW RNG engine.
///
struct _EFI_RNG_PROTOCOL {
EFI_RANDOM_BYTES RandomBytes;
};
extern EFI_GUID gSamsungPlatformRngProtocolGuid;
#endif
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