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81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
/** @file
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Provides random number generator services.
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Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __RNG_LIB_H__
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#define __RNG_LIB_H__
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/**
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Generates a 16-bit random number.
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if Rand is NULL, then ASSERT().
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@param[out] Rand Buffer pointer to store the 16-bit random value.
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@retval TRUE Random number generated successfully.
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@retval FALSE Failed to generate the random number.
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**/
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BOOLEAN
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EFIAPI
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GetRandomNumber16 (
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OUT UINT16 *Rand
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);
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/**
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Generates a 32-bit random number.
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if Rand is NULL, then ASSERT().
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@param[out] Rand Buffer pointer to store the 32-bit random value.
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@retval TRUE Random number generated successfully.
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@retval FALSE Failed to generate the random number.
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**/
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BOOLEAN
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EFIAPI
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GetRandomNumber32 (
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OUT UINT32 *Rand
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);
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/**
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Generates a 64-bit random number.
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if Rand is NULL, then ASSERT().
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@param[out] Rand Buffer pointer to store the 64-bit random value.
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@retval TRUE Random number generated successfully.
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@retval FALSE Failed to generate the random number.
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**/
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BOOLEAN
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EFIAPI
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GetRandomNumber64 (
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OUT UINT64 *Rand
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);
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/**
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Generates a 128-bit random number.
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if Rand is NULL, then ASSERT().
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@param[out] Rand Buffer pointer to store the 128-bit random value.
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@retval TRUE Random number generated successfully.
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@retval FALSE Failed to generate the random number.
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**/
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BOOLEAN
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EFIAPI
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GetRandomNumber128 (
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OUT UINT64 *Rand
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);
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#endif // __RNG_LIB_H__
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