This is null version of RngLib which is used for those platforms or components which don't need random number.
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1871 Cc: Jiewen Yao <[email protected]> Cc: Chao Zhang <[email protected]> Cc: Michael D Kinney <[email protected]> Cc: Liming Gao <[email protected]> Cc: Laszlo Ersek <[email protected]> Cc: Ard Biesheuvel <[email protected]> Cc: Ray Ni <[email protected]> Signed-off-by: Jian J Wang <[email protected]> --- .../RngLibNull/RngLibNull.c | 95 +++++++++++++++++++ .../RngLibNull/RngLibNull.inf | 31 ++++++ .../RngLibNull/RngLibNull.uni | 14 +++ 3 files changed, 140 insertions(+) create mode 100644 SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.c create mode 100644 SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.inf create mode 100644 SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.uni diff --git a/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.c b/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.c new file mode 100644 index 0000000000..13677abc84 --- /dev/null +++ b/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.c @@ -0,0 +1,95 @@ +/** @file + Null version of Random number generator services. + +Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> +#include <Library/RngLib.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 + ) +{ + ASSERT (FALSE); + return FALSE; +} + +/** + 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 + ) +{ + ASSERT (FALSE); + return FALSE; +} + +/** + 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 + ) +{ + ASSERT (FALSE); + return FALSE; +} + +/** + 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 + ) +{ + ASSERT (FALSE); + return FALSE; +} diff --git a/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.inf b/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.inf new file mode 100644 index 0000000000..f6494cdb82 --- /dev/null +++ b/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.inf @@ -0,0 +1,31 @@ +## @file +# Null instance of RNG (Random Number Generator) Library. +# +# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = RngLibNull + MODULE_UNI_FILE = RngLibNull.uni + FILE_GUID = CD8991F8-2061-4084-8C9E-9C6F352DC58D + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = RngLib + +# +# VALID_ARCHITECTURES = IA32 X64 ARM AARCH64 +# + +[Sources] + RngLibNull.c + +[Packages] + MdePkg/MdePkg.dec + +[LibraryClasses] + BaseLib + DebugLib diff --git a/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.uni b/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.uni new file mode 100644 index 0000000000..40b2ec3fe1 --- /dev/null +++ b/SecurityPkg/RandomNumberGenerator/RngLibNull/RngLibNull.uni @@ -0,0 +1,14 @@ +// /** @file +// Null Instance of RNG (Random Number Generator) Library. +// +// Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> +// +// SPDX-License-Identifier: BSD-2-Clause-Patent +// +// **/ + + +#string STR_MODULE_ABSTRACT #language en-US "Null Instance of RNG Library" + +#string STR_MODULE_DESCRIPTION #language en-US "Caution: This is a null version of RNG library and SHOULD NOT be used on any product ever." + -- 2.17.1.windows.2 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#50432): https://edk2.groups.io/g/devel/message/50432 Mute This Topic: https://groups.io/mt/54019525/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
