| /** @file |
| Provides random number generator services. |
| |
| Copyright (c) 2015, Intel Corporation. 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 __RNG_LIB_H__ |
| #define __RNG_LIB_H__ |
| |
| /** |
| Generates a 16-bit random number. |
| |
| if Rand is NULL, then ASSERT(). |
| |
| @param[out] Rand Buffer pointer to store the 16-bit random value. |
| |
| @retval TRUE Random number generated successfully. |
| @retval FALSE Failed to generate the random number. |
| |
| **/ |
| BOOLEAN |
| EFIAPI |
| GetRandomNumber16 ( |
| OUT UINT16 *Rand |
| ); |
| |
| /** |
| Generates a 32-bit random number. |
| |
| if Rand is NULL, then ASSERT(). |
| |
| @param[out] Rand Buffer pointer to store the 32-bit random value. |
| |
| @retval TRUE Random number generated successfully. |
| @retval FALSE Failed to generate the random number. |
| |
| **/ |
| BOOLEAN |
| EFIAPI |
| GetRandomNumber32 ( |
| OUT UINT32 *Rand |
| ); |
| |
| /** |
| Generates a 64-bit random number. |
| |
| if Rand is NULL, then ASSERT(). |
| |
| @param[out] Rand Buffer pointer to store the 64-bit random value. |
| |
| @retval TRUE Random number generated successfully. |
| @retval FALSE Failed to generate the random number. |
| |
| **/ |
| BOOLEAN |
| EFIAPI |
| GetRandomNumber64 ( |
| OUT UINT64 *Rand |
| ); |
| |
| /** |
| Generates a 128-bit random number. |
| |
| if Rand is NULL, then ASSERT(). |
| |
| @param[out] Rand Buffer pointer to store the 128-bit random value. |
| |
| @retval TRUE Random number generated successfully. |
| @retval FALSE Failed to generate the random number. |
| |
| **/ |
| BOOLEAN |
| EFIAPI |
| GetRandomNumber128 ( |
| OUT UINT64 *Rand |
| ); |
| |
| #endif // __RNG_LIB_H__ |