[edk2-devel] [PATCH v8 5/5] CryptoPkg: OpensslLib: Use RngLib to generate entropy in rand_pool
Yao, Jiewen
jiewen.yao at intel.com
Wed Aug 19 23:29:50 UTC 2020
Reviewed-by: Jiewen Yao <jiewen.yao at intel.com>
> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Matthew
> Carlson
> Sent: Thursday, August 20, 2020 3:37 AM
> To: devel at edk2.groups.io
> Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>; Yao, Jiewen
> <jiewen.yao at intel.com>; Wang, Jian J <jian.j.wang at intel.com>; Lu, XiaoyuX
> <xiaoyux.lu at intel.com>; Yao, Jiewen <jiewen.yao at intel.com>; Matthew
> Carlson <matthewfcarlson at gmail.com>
> Subject: [edk2-devel] [PATCH v8 5/5] CryptoPkg: OpensslLib: Use RngLib to
> generate entropy in rand_pool
>
> From: Matthew Carlson <macarl at microsoft.com>
>
> Ref: https://github.com/tianocore/edk2/pull/845
> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1871
>
> Changes OpenSSL to no longer depend on TimerLib and instead use RngLib.
> This allows platforms to decide for themsevles what sort of entropy source
> they provide to OpenSSL and TlsLib.
>
> Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
> Cc: Jiewen Yao <jiewen.yao at intel.com>
> Cc: Jian J Wang <jian.j.wang at intel.com>
> Cc: Xiaoyu Lu <xiaoyux.lu at intel.com>
>
> Acked-by: Ard Biesheuvel <ard.biesheuvel at arm.com>
> Reviewed-by: Jiewen Yao <Jiewen.yao at intel.com>
> Signed-off-by: Matthew Carlson <matthewfcarlson at gmail.com>
> ---
> CryptoPkg/Library/OpensslLib/rand_pool.c | 265 +++++---------------
> CryptoPkg/Library/OpensslLib/rand_pool_noise.c | 29 ---
> CryptoPkg/Library/OpensslLib/rand_pool_noise_tsc.c | 43 ----
> CryptoPkg/CryptoPkg.dsc | 1 +
> CryptoPkg/Library/OpensslLib/OpensslLib.inf | 15 +-
> CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf | 15 +-
> CryptoPkg/Library/OpensslLib/rand_pool_noise.h | 29 ---
> 7 files changed, 63 insertions(+), 334 deletions(-)
>
> diff --git a/CryptoPkg/Library/OpensslLib/rand_pool.c
> b/CryptoPkg/Library/OpensslLib/rand_pool.c
> index 9e0179b03490..490b9e2f4692 100644
> --- a/CryptoPkg/Library/OpensslLib/rand_pool.c
> +++ b/CryptoPkg/Library/OpensslLib/rand_pool.c
> @@ -2,8 +2,8 @@
> OpenSSL_1_1_1b doesn't implement rand_pool_* functions for UEFI.
>
> The file implement these functions.
>
>
>
> -Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
>
> -SPDX-License-Identifier: BSD-2-Clause-Patent
>
> + Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
>
> + SPDX-License-Identifier: BSD-2-Clause-Patent
>
>
>
> **/
>
>
>
> @@ -11,53 +11,18 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> #include <openssl/aes.h>
>
>
>
> #include <Uefi.h>
>
> -#include <Library/TimerLib.h>
>
> -
>
> -#include "rand_pool_noise.h"
>
> -
>
> -/**
>
> - Get some randomness from low-order bits of GetPerformanceCounter results.
>
> - And combine them to the 64-bit value
>
> -
>
> - @param[out] Rand Buffer pointer to store the 64-bit random value.
>
> -
>
> - @retval TRUE Random number generated successfully.
>
> - @retval FALSE Failed to generate.
>
> -**/
>
> -STATIC
>
> -BOOLEAN
>
> -EFIAPI
>
> -GetRandNoise64FromPerformanceCounter(
>
> - OUT UINT64 *Rand
>
> - )
>
> -{
>
> - UINT32 Index;
>
> - UINT32 *RandPtr;
>
> -
>
> - if (NULL == Rand) {
>
> - return FALSE;
>
> - }
>
> -
>
> - RandPtr = (UINT32 *) Rand;
>
> -
>
> - for (Index = 0; Index < 2; Index ++) {
>
> - *RandPtr = (UINT32) (GetPerformanceCounter () & 0xFF);
>
> - MicroSecondDelay (10);
>
> - RandPtr++;
>
> - }
>
> -
>
> - return TRUE;
>
> -}
>
> +#include <Library/RngLib.h>
>
>
>
> /**
>
> Calls RandomNumber64 to fill
>
> a buffer of arbitrary size with random bytes.
>
> + This is a shim layer to RngLib.
>
>
>
> @param[in] Length Size of the buffer, in bytes, to fill with.
>
> @param[out] RandBuffer Pointer to the buffer to store the random result.
>
>
>
> - @retval EFI_SUCCESS Random bytes generation succeeded.
>
> - @retval EFI_NOT_READY Failed to request random bytes.
>
> + @retval TRUE Random bytes generation succeeded.
>
> + @retval FALSE Failed to request random bytes.
>
>
>
> **/
>
> STATIC
>
> @@ -65,7 +30,7 @@ BOOLEAN
> EFIAPI
>
> RandGetBytes (
>
> IN UINTN Length,
>
> - OUT UINT8 *RandBuffer
>
> + OUT UINT8 *RandBuffer
>
> )
>
> {
>
> BOOLEAN Ret;
>
> @@ -73,17 +38,17 @@ RandGetBytes (
>
>
> Ret = FALSE;
>
>
>
> + if (RandBuffer == NULL) {
>
> + DEBUG((DEBUG_ERROR, "[OPENSSL_RAND_POOL] NULL RandBuffer. No
> random numbers are generated and your system is not secure\n"));
>
> + ASSERT (RandBuffer != NULL); // Since we can't generate random numbers,
> we should assert. Otherwise we will just blow up later.
>
> + return Ret;
>
> + }
>
> +
>
> +
>
> while (Length > 0) {
>
> - //
>
> - // Get random noise from platform.
>
> - // If it failed, fallback to PerformanceCounter
>
> - // If you really care about security, you must override
>
> - // GetRandomNoise64FromPlatform.
>
> - //
>
> - Ret = GetRandomNoise64 (&TempRand);
>
> - if (Ret == FALSE) {
>
> - Ret = GetRandNoise64FromPerformanceCounter (&TempRand);
>
> - }
>
> + // Use RngLib to get random number
>
> + Ret = GetRandomNumber64 (&TempRand);
>
> +
>
> if (!Ret) {
>
> return Ret;
>
> }
>
> @@ -91,7 +56,8 @@ RandGetBytes (
> *((UINT64*) RandBuffer) = TempRand;
>
> RandBuffer += sizeof (UINT64);
>
> Length -= sizeof (TempRand);
>
> - } else {
>
> + }
>
> + else {
>
> CopyMem (RandBuffer, &TempRand, Length);
>
> Length = 0;
>
> }
>
> @@ -100,125 +66,6 @@ RandGetBytes (
> return Ret;
>
> }
>
>
>
> -/**
>
> - Creates a 128bit random value that is fully forward and backward prediction
> resistant,
>
> - suitable for seeding a NIST SP800-90 Compliant.
>
> - This function takes multiple random numbers from PerformanceCounter to
> ensure reseeding
>
> - and performs AES-CBC-MAC over the data to compute the seed value.
>
> -
>
> - @param[out] SeedBuffer Pointer to a 128bit buffer to store the random
> seed.
>
> -
>
> - @retval TRUE Random seed generation succeeded.
>
> - @retval FALSE Failed to request random bytes.
>
> -
>
> -**/
>
> -STATIC
>
> -BOOLEAN
>
> -EFIAPI
>
> -RandGetSeed128 (
>
> - OUT UINT8 *SeedBuffer
>
> - )
>
> -{
>
> - BOOLEAN Ret;
>
> - UINT8 RandByte[16];
>
> - UINT8 Key[16];
>
> - UINT8 Ffv[16];
>
> - UINT8 Xored[16];
>
> - UINT32 Index;
>
> - UINT32 Index2;
>
> - AES_KEY AESKey;
>
> -
>
> - //
>
> - // Chose an arbitrary key and zero the feed_forward_value (FFV)
>
> - //
>
> - for (Index = 0; Index < 16; Index++) {
>
> - Key[Index] = (UINT8) Index;
>
> - Ffv[Index] = 0;
>
> - }
>
> -
>
> - AES_set_encrypt_key (Key, 16 * 8, &AESKey);
>
> -
>
> - //
>
> - // Perform CBC_MAC over 32 * 128 bit values, with 10us gaps between 128 bit
> value
>
> - // The 10us gaps will ensure multiple reseeds within the system time with a
> large
>
> - // design margin.
>
> - //
>
> - for (Index = 0; Index < 32; Index++) {
>
> - MicroSecondDelay (10);
>
> - Ret = RandGetBytes (16, RandByte);
>
> - if (!Ret) {
>
> - return Ret;
>
> - }
>
> -
>
> - //
>
> - // Perform XOR operations on two 128-bit value.
>
> - //
>
> - for (Index2 = 0; Index2 < 16; Index2++) {
>
> - Xored[Index2] = RandByte[Index2] ^ Ffv[Index2];
>
> - }
>
> -
>
> - AES_encrypt (Xored, Ffv, &AESKey);
>
> - }
>
> -
>
> - for (Index = 0; Index < 16; Index++) {
>
> - SeedBuffer[Index] = Ffv[Index];
>
> - }
>
> -
>
> - return Ret;
>
> -}
>
> -
>
> -/**
>
> - Generate high-quality entropy source.
>
> -
>
> - @param[in] Length Size of the buffer, in bytes, to fill with.
>
> - @param[out] Entropy Pointer to the buffer to store the entropy data.
>
> -
>
> - @retval EFI_SUCCESS Entropy generation succeeded.
>
> - @retval EFI_NOT_READY Failed to request random data.
>
> -
>
> -**/
>
> -STATIC
>
> -BOOLEAN
>
> -EFIAPI
>
> -RandGenerateEntropy (
>
> - IN UINTN Length,
>
> - OUT UINT8 *Entropy
>
> - )
>
> -{
>
> - BOOLEAN Ret;
>
> - UINTN BlockCount;
>
> - UINT8 Seed[16];
>
> - UINT8 *Ptr;
>
> -
>
> - BlockCount = Length / 16;
>
> - Ptr = (UINT8 *) Entropy;
>
> -
>
> - //
>
> - // Generate high-quality seed for DRBG Entropy
>
> - //
>
> - while (BlockCount > 0) {
>
> - Ret = RandGetSeed128 (Seed);
>
> - if (!Ret) {
>
> - return Ret;
>
> - }
>
> - CopyMem (Ptr, Seed, 16);
>
> -
>
> - BlockCount--;
>
> - Ptr = Ptr + 16;
>
> - }
>
> -
>
> - //
>
> - // Populate the remained data as request.
>
> - //
>
> - Ret = RandGetSeed128 (Seed);
>
> - if (!Ret) {
>
> - return Ret;
>
> - }
>
> - CopyMem (Ptr, Seed, (Length % 16));
>
> -
>
> - return Ret;
>
> -}
>
> -
>
> /*
>
> * Add random bytes to the pool to acquire requested amount of entropy
>
> *
>
> @@ -227,27 +74,31 @@ RandGenerateEntropy (
> *
>
> * This is OpenSSL required interface.
>
> */
>
> -size_t rand_pool_acquire_entropy(RAND_POOL *pool)
>
> +size_t
>
> +rand_pool_acquire_entropy (
>
> + RAND_POOL *pool
>
> + )
>
> {
>
> - BOOLEAN Ret;
>
> - size_t bytes_needed;
>
> - unsigned char * buffer;
>
> + BOOLEAN Ret;
>
> + size_t bytes_needed;
>
> + unsigned char *buffer;
>
>
>
> - bytes_needed = rand_pool_bytes_needed(pool, 1 /*entropy_factor*/);
>
> + bytes_needed = rand_pool_bytes_needed (pool, 1 /*entropy_factor*/);
>
> if (bytes_needed > 0) {
>
> - buffer = rand_pool_add_begin(pool, bytes_needed);
>
> + buffer = rand_pool_add_begin (pool, bytes_needed);
>
>
>
> if (buffer != NULL) {
>
> - Ret = RandGenerateEntropy(bytes_needed, buffer);
>
> + Ret = RandGetBytes (bytes_needed, buffer);
>
> if (FALSE == Ret) {
>
> - rand_pool_add_end(pool, 0, 0);
>
> - } else {
>
> - rand_pool_add_end(pool, bytes_needed, 8 * bytes_needed);
>
> + rand_pool_add_end (pool, 0, 0);
>
> + }
>
> + else {
>
> + rand_pool_add_end (pool, bytes_needed, 8 * bytes_needed);
>
> }
>
> }
>
> }
>
>
>
> - return rand_pool_entropy_available(pool);
>
> + return rand_pool_entropy_available (pool);
>
> }
>
>
>
> /*
>
> @@ -255,17 +106,15 @@ size_t rand_pool_acquire_entropy(RAND_POOL
> *pool)
> *
>
> * This is OpenSSL required interface.
>
> */
>
> -int rand_pool_add_nonce_data(RAND_POOL *pool)
>
> +int
>
> +rand_pool_add_nonce_data (
>
> + RAND_POOL *pool
>
> + )
>
> {
>
> - struct {
>
> - UINT64 Rand;
>
> - UINT64 TimerValue;
>
> - } data = { 0 };
>
> + UINT8 data[16];
>
> + RandGetBytes (sizeof(data), data);
>
>
>
> - RandGetBytes(8, (UINT8 *)&(data.Rand));
>
> - data.TimerValue = GetPerformanceCounter();
>
> -
>
> - return rand_pool_add(pool, (unsigned char*)&data, sizeof(data), 0);
>
> + return rand_pool_add (pool, (unsigned char*)&data, sizeof(data), 0);
>
> }
>
>
>
> /*
>
> @@ -273,17 +122,15 @@ int rand_pool_add_nonce_data(RAND_POOL *pool)
> *
>
> * This is OpenSSL required interface.
>
> */
>
> -int rand_pool_add_additional_data(RAND_POOL *pool)
>
> +int
>
> +rand_pool_add_additional_data (
>
> + RAND_POOL *pool
>
> + )
>
> {
>
> - struct {
>
> - UINT64 Rand;
>
> - UINT64 TimerValue;
>
> - } data = { 0 };
>
> -
>
> - RandGetBytes(8, (UINT8 *)&(data.Rand));
>
> - data.TimerValue = GetPerformanceCounter();
>
> + UINT8 data[16];
>
> + RandGetBytes (sizeof(data), data);
>
>
>
> - return rand_pool_add(pool, (unsigned char*)&data, sizeof(data), 0);
>
> + return rand_pool_add (pool, (unsigned char*)&data, sizeof(data), 0);
>
> }
>
>
>
> /*
>
> @@ -291,7 +138,10 @@ int rand_pool_add_additional_data(RAND_POOL *pool)
> *
>
> * This is OpenSSL required interface.
>
> */
>
> -int rand_pool_init(void)
>
> +int
>
> +rand_pool_init (
>
> + VOID
>
> + )
>
> {
>
> return 1;
>
> }
>
> @@ -301,7 +151,10 @@ int rand_pool_init(void)
> *
>
> * This is OpenSSL required interface.
>
> */
>
> -void rand_pool_cleanup(void)
>
> +VOID
>
> +rand_pool_cleanup(
>
> + VOID
>
> + )
>
> {
>
> }
>
>
>
> @@ -310,7 +163,9 @@ void rand_pool_cleanup(void)
> *
>
> * This is OpenSSL required interface.
>
> */
>
> -void rand_pool_keep_random_devices_open(int keep)
>
> +VOID
>
> +rand_pool_keep_random_devices_open (
>
> + int keep
>
> + )
>
> {
>
> }
>
> -
>
> diff --git a/CryptoPkg/Library/OpensslLib/rand_pool_noise.c
> b/CryptoPkg/Library/OpensslLib/rand_pool_noise.c
> deleted file mode 100644
> index 212834e27acc..000000000000
> --- a/CryptoPkg/Library/OpensslLib/rand_pool_noise.c
> +++ /dev/null
> @@ -1,29 +0,0 @@
> -/** @file
>
> - Provide rand noise source.
>
> -
>
> -Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
>
> -SPDX-License-Identifier: BSD-2-Clause-Patent
>
> -
>
> -**/
>
> -
>
> -#include <Library/BaseLib.h>
>
> -
>
> -/**
>
> - Get 64-bit noise source
>
> -
>
> - @param[out] Rand Buffer pointer to store 64-bit noise source
>
> -
>
> - @retval FALSE Failed to generate
>
> -**/
>
> -BOOLEAN
>
> -EFIAPI
>
> -GetRandomNoise64 (
>
> - OUT UINT64 *Rand
>
> - )
>
> -{
>
> - //
>
> - // Return FALSE will fallback to use PerformanceCounter to
>
> - // generate noise.
>
> - //
>
> - return FALSE;
>
> -}
>
> diff --git a/CryptoPkg/Library/OpensslLib/rand_pool_noise_tsc.c
> b/CryptoPkg/Library/OpensslLib/rand_pool_noise_tsc.c
> deleted file mode 100644
> index 4158106231fd..000000000000
> --- a/CryptoPkg/Library/OpensslLib/rand_pool_noise_tsc.c
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -/** @file
>
> - Provide rand noise source.
>
> -
>
> -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/TimerLib.h>
>
> -
>
> -/**
>
> - Get 64-bit noise source
>
> -
>
> - @param[out] Rand Buffer pointer to store 64-bit noise source
>
> -
>
> - @retval TRUE Get randomness successfully.
>
> - @retval FALSE Failed to generate
>
> -**/
>
> -BOOLEAN
>
> -EFIAPI
>
> -GetRandomNoise64 (
>
> - OUT UINT64 *Rand
>
> - )
>
> -{
>
> - UINT32 Index;
>
> - UINT32 *RandPtr;
>
> -
>
> - if (NULL == Rand) {
>
> - return FALSE;
>
> - }
>
> -
>
> - RandPtr = (UINT32 *)Rand;
>
> -
>
> - for (Index = 0; Index < 2; Index ++) {
>
> - *RandPtr = (UINT32) ((AsmReadTsc ()) & 0xFF);
>
> - RandPtr++;
>
> - MicroSecondDelay (10);
>
> - }
>
> -
>
> - return TRUE;
>
> -}
>
> diff --git a/CryptoPkg/CryptoPkg.dsc b/CryptoPkg/CryptoPkg.dsc
> index 1af78468a19c..0490eeb7e22f 100644
> --- a/CryptoPkg/CryptoPkg.dsc
> +++ b/CryptoPkg/CryptoPkg.dsc
> @@ -60,6 +60,7 @@
> BaseCryptLib|CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
>
> TlsLib|CryptoPkg/Library/TlsLibNull/TlsLibNull.inf
>
> HashApiLib|CryptoPkg/Library/BaseHashApiLib/BaseHashApiLib.inf
>
> + RngLib|MdePkg/Library/BaseRngLibNull/BaseRngLibNull.inf
>
>
>
> [LibraryClasses.ARM, LibraryClasses.AARCH64]
>
> #
>
> diff --git a/CryptoPkg/Library/OpensslLib/OpensslLib.inf
> b/CryptoPkg/Library/OpensslLib/OpensslLib.inf
> index cc27b8c57cb3..b00bb74ce67e 100644
> --- a/CryptoPkg/Library/OpensslLib/OpensslLib.inf
> +++ b/CryptoPkg/Library/OpensslLib/OpensslLib.inf
> @@ -571,22 +571,9 @@
> $(OPENSSL_PATH)/ssl/statem/statem_local.h
>
> # Autogenerated files list ends here
>
> buildinf.h
>
> - rand_pool_noise.h
>
> ossl_store.c
>
> rand_pool.c
>
>
>
> -[Sources.Ia32]
>
> - rand_pool_noise_tsc.c
>
> -
>
> -[Sources.X64]
>
> - rand_pool_noise_tsc.c
>
> -
>
> -[Sources.ARM]
>
> - rand_pool_noise.c
>
> -
>
> -[Sources.AARCH64]
>
> - rand_pool_noise.c
>
> -
>
> [Packages]
>
> MdePkg/MdePkg.dec
>
> CryptoPkg/CryptoPkg.dec
>
> @@ -594,7 +581,7 @@
> [LibraryClasses]
>
> BaseLib
>
> DebugLib
>
> - TimerLib
>
> + RngLib
>
> PrintLib
>
>
>
> [LibraryClasses.ARM]
>
> diff --git a/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
> b/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
> index 616ccd9f62d1..3557711bd85a 100644
> --- a/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
> +++ b/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
> @@ -520,22 +520,9 @@
> $(OPENSSL_PATH)/crypto/x509v3/v3_admis.h
>
> # Autogenerated files list ends here
>
> buildinf.h
>
> - rand_pool_noise.h
>
> ossl_store.c
>
> rand_pool.c
>
>
>
> -[Sources.Ia32]
>
> - rand_pool_noise_tsc.c
>
> -
>
> -[Sources.X64]
>
> - rand_pool_noise_tsc.c
>
> -
>
> -[Sources.ARM]
>
> - rand_pool_noise.c
>
> -
>
> -[Sources.AARCH64]
>
> - rand_pool_noise.c
>
> -
>
> [Packages]
>
> MdePkg/MdePkg.dec
>
> CryptoPkg/CryptoPkg.dec
>
> @@ -543,7 +530,7 @@
> [LibraryClasses]
>
> BaseLib
>
> DebugLib
>
> - TimerLib
>
> + RngLib
>
> PrintLib
>
>
>
> [LibraryClasses.ARM]
>
> diff --git a/CryptoPkg/Library/OpensslLib/rand_pool_noise.h
> b/CryptoPkg/Library/OpensslLib/rand_pool_noise.h
> deleted file mode 100644
> index 75acc686a9f1..000000000000
> --- a/CryptoPkg/Library/OpensslLib/rand_pool_noise.h
> +++ /dev/null
> @@ -1,29 +0,0 @@
> -/** @file
>
> - Provide rand noise source.
>
> -
>
> -Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
>
> -SPDX-License-Identifier: BSD-2-Clause-Patent
>
> -
>
> -**/
>
> -
>
> -#ifndef __RAND_POOL_NOISE_H__
>
> -#define __RAND_POOL_NOISE_H__
>
> -
>
> -#include <Uefi/UefiBaseType.h>
>
> -
>
> -/**
>
> - Get 64-bit noise source.
>
> -
>
> - @param[out] Rand Buffer pointer to store 64-bit noise source
>
> -
>
> - @retval TRUE Get randomness successfully.
>
> - @retval FALSE Failed to generate
>
> -**/
>
> -BOOLEAN
>
> -EFIAPI
>
> -GetRandomNoise64 (
>
> - OUT UINT64 *Rand
>
> - );
>
> -
>
> -
>
> -#endif // __RAND_POOL_NOISE_H__
>
> --
> 2.28.0.windows.1
>
>
> -=-=-=-=-=-=
> Groups.io Links: You receive all messages sent to this group.
>
> View/Reply Online (#64470): https://edk2.groups.io/g/devel/message/64470
> Mute This Topic: https://groups.io/mt/76294219/1772286
> Group Owner: devel+owner at edk2.groups.io
> Unsubscribe: https://edk2.groups.io/g/devel/unsub [jiewen.yao at intel.com]
> -=-=-=-=-=-=
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#64476): https://edk2.groups.io/g/devel/message/64476
Mute This Topic: https://groups.io/mt/76294219/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-
More information about the edk2-devel-archive
mailing list