Thanks Pierre. Yes, I agree to move it to other package to resolve dependency issue.
> -----Original Message----- > From: Pierre Gondois <pierre.gond...@arm.com> > Sent: Friday, July 7, 2023 10:25 PM > To: Yao, Jiewen <jiewen....@intel.com>; devel@edk2.groups.io > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; Wang, > Jian J <jian.j.w...@intel.com>; Ard Biesheuvel <ardb+tianoc...@kernel.org>; > Sami Mujawar <sami.muja...@arm.com>; Jose Marinho > <jose.mari...@arm.com>; Kun Qin <kuqi...@gmail.com> > Subject: Re: [edk2-devel] [PATCH v3 3/6] MdePkg/Rng: Add GUIDs to describe > Rng algorithms > > Hello Jiewen, > > We have the following dependency issue: > - the BaseRngTimerLib is in the MdePkg > - we need a GUID to describe the BaseRngTimerLib algorithm > - we cannot add the gEdkiiRngAlgorithmUnSafe in the MdePkg, and the > gZeroGuid is also not in the MdePkg > - the MdePkg should not have dependencies over other packages > > As the BaseRngTimerLib is not really standard and should not be used in > production builds, > would you agree if it was moved to the MdeModulePkg or to the SecurityPkg > (with the gEdkiiRngAlgorithmUnSafe definition) ? > > Regards, > Pierre > > > The issue we have > > On 7/7/23 15:05, Yao, Jiewen wrote: > > FYI: I filed https://bugzilla.tianocore.org/show_bug.cgi?id=4497 to track > > the > gEdkiiMemoryAcceptProtocolGuid issue. > > > > Thank you > > Yao, Jiewen > > > > > >> -----Original Message----- > >> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Yao, > Jiewen > >> Sent: Friday, July 7, 2023 8:57 PM > >> To: Pierre Gondois <pierre.gond...@arm.com>; devel@edk2.groups.io > >> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > >> <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; > Wang, > >> Jian J <jian.j.w...@intel.com>; Ard Biesheuvel > <ardb+tianoc...@kernel.org>; > >> Sami Mujawar <sami.muja...@arm.com>; Jose Marinho > >> <jose.mari...@arm.com>; Kun Qin <kuqi...@gmail.com> > >> Subject: Re: [edk2-devel] [PATCH v3 3/6] MdePkg/Rng: Add GUIDs to > describe > >> Rng algorithms > >> > >> I don’t think MdePkg should have Edkii- style protocol. > >> > >> I am not sure why gEdkiiMemoryAcceptProtocolGuid is in MdePkg. > >> It should be in MdeModulePkg, IMHO. > >> > >> Thank you > >> Yao, Jiewen > >> > >>> -----Original Message----- > >>> From: Pierre Gondois <pierre.gond...@arm.com> > >>> Sent: Friday, July 7, 2023 8:49 PM > >>> To: devel@edk2.groups.io; Yao, Jiewen <jiewen....@intel.com> > >>> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > >>> <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; > Wang, > >>> Jian J <jian.j.w...@intel.com>; Ard Biesheuvel > <ardb+tianoc...@kernel.org>; > >>> Sami Mujawar <sami.muja...@arm.com>; Jose Marinho > >>> <jose.mari...@arm.com>; Kun Qin <kuqi...@gmail.com> > >>> Subject: Re: [edk2-devel] [PATCH v3 3/6] MdePkg/Rng: Add GUIDs to > describe > >>> Rng algorithms > >>> > >>> Hello Jiewen, > >>> > >>> The gEfiRngAlgorithmArmRndr GUID is to be added to the UEFI spec with: > >>> - https://bugzilla.tianocore.org/show_bug.cgi?id=4441 > >>> - https://mantis.uefi.org/mantis/view.php?id=2386 > >>> > >>> the gEdkiiMemoryAcceptProtocolGuid GUID should not be in the UEFI spec, > >>> so I used the 'gEdkii' prefix as already used in MdePkg.dec for: > >>> - gEdkiiMemoryAcceptProtocolGuid > >>> > >>> Regards, > >>> Pierre > >>> > >>> On 7/7/23 11:14, Yao, Jiewen via groups.io wrote: > >>>> MdePkg can only add UEFI defined API. > >>>> > >>>> Is below defined by UEFI? > >>>> > >>>> Thank you > >>>> Yao, Jiewen > >>>> > >>>> > >>>> > >>>>> -----Original Message----- > >>>>> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of > >>>>> PierreGondois > >>>>> Sent: Thursday, July 6, 2023 4:52 PM > >>>>> To: devel@edk2.groups.io > >>>>> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > >>>>> <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; > >> Yao, > >>>>> Jiewen <jiewen....@intel.com>; Wang, Jian J <jian.j.w...@intel.com>; > >> Ard > >>>>> Biesheuvel <ardb+tianoc...@kernel.org>; Sami Mujawar > >>>>> <sami.muja...@arm.com>; Jose Marinho <jose.mari...@arm.com>; > Kun > >>> Qin > >>>>> <kuqi...@gmail.com> > >>>>> Subject: [edk2-devel] [PATCH v3 3/6] MdePkg/Rng: Add GUIDs to describe > >>> Rng > >>>>> algorithms > >>>>> > >>>>> From: Pierre Gondois <pierre.gond...@arm.com> > >>>>> > >>>>> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4441 > >>>>> > >>>>> The EFI_RNG_PROTOCOL can rely on the RngLib. The RngLib has multiple > >>>>> implementations, some of them are unsafe (e.g. BaseRngLibTimerLib). > >>>>> To allow the RngDxe to detect when such implementation is used, > >>>>> a GetRngGuid() function is added in a following patch. > >>>>> > >>>>> Prepare GetRngGuid() return values and add GUIDs describing > >>>>> Rng algorithms: > >>>>> - gEfiRngAlgorithmArmRndr > >>>>> to describe a Rng algorithm accessed through Arm's RNDR instruction. > >>>>> [1] states that the implementation of this algorithm should be > >>>>> compliant to NIST SP900-80. The compliance is not guaranteed. > >>>>> - gEdkiiRngAlgorithmUnSafe > >>>>> to describe an unsafe implementation, cf. the BaseRngLibTimerLib. > >>>>> > >>>>> [1] Arm Architecture Reference Manual Armv8, for A-profile architecture > >>>>> sK12.1 'Properties of the generated random number' > >>>>> > >>>>> Signed-off-by: Pierre Gondois <pierre.gond...@arm.com> > >>>>> Reviewed-by: Sami Mujawar <sami.muja...@arm.com> > >>>>> --- > >>>>> MdePkg/Include/Protocol/Rng.h | 20 ++++++++++++++++++++ > >>>>> MdePkg/MdePkg.dec | 2 ++ > >>>>> 2 files changed, 22 insertions(+) > >>>>> > >>>>> diff --git a/MdePkg/Include/Protocol/Rng.h > >>> b/MdePkg/Include/Protocol/Rng.h > >>>>> index baf425587b3c..ceae77ba9c73 100644 > >>>>> --- a/MdePkg/Include/Protocol/Rng.h > >>>>> +++ b/MdePkg/Include/Protocol/Rng.h > >>>>> @@ -67,6 +67,24 @@ typedef EFI_GUID EFI_RNG_ALGORITHM; > >>>>> { \ > >>>>> 0xe43176d7, 0xb6e8, 0x4827, {0xb7, 0x84, 0x7f, 0xfd, 0xc4, 0xb6, > 0x85, > >>> 0x61 } > >>>>> \ > >>>>> } > >>>>> +/// > >>>>> +/// The Arm Architecture states the RNDR that the DRBG algorithm > should > >>> be > >>>>> compliant > >>>>> +/// with NIST SP800-90A, while not mandating a particular algorithm, so > as > >>> to > >>>>> be > >>>>> +/// inclusive of different geographies. > >>>>> +/// > >>>>> +#define EFI_RNG_ALGORITHM_ARM_RNDR \ > >>>>> + { \ > >>>>> + 0x43d2fde3, 0x9d4e, 0x4d79, {0x02, 0x96, 0xa8, 0x9b, 0xca, 0x78, > 0x08, > >>>>> 0x41} \ > >>>>> + } > >>>>> +/// > >>>>> +/// The implementation of a Random Number Generator might be > unsafe, > >>>>> when using > >>>>> +/// a dummy implementation for instance. Allow identifying such > >>>>> implementation > >>>>> +/// with this GUID. > >>>>> +/// > >>>>> +#define EDKII_RNG_ALGORITHM_UNSAFE \ > >>>>> + { \ > >>>>> + 0x869f728c, 0x409d, 0x4ab4, {0xac, 0x03, 0x71, 0xd3, 0x09, 0xc1, > 0xb3, > >>>>> 0xf4 } \ > >>>>> + } > >>>>> > >>>>> /** > >>>>> Returns information about the random number generation > >> implementation. > >>>>> @@ -146,5 +164,7 @@ extern EFI_GUID > >>> gEfiRngAlgorithmSp80090Ctr256Guid; > >>>>> extern EFI_GUID gEfiRngAlgorithmX9313DesGuid; > >>>>> extern EFI_GUID gEfiRngAlgorithmX931AesGuid; > >>>>> extern EFI_GUID gEfiRngAlgorithmRaw; > >>>>> +extern EFI_GUID gEfiRngAlgorithmArmRndr; > >>>>> +extern EFI_GUID gEdkiiRngAlgorithmUnSafe; > >>>>> > >>>>> #endif > >>>>> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec > >>>>> index 5b8477f4cb8f..2c8f985f253e 100644 > >>>>> --- a/MdePkg/MdePkg.dec > >>>>> +++ b/MdePkg/MdePkg.dec > >>>>> @@ -643,6 +643,8 @@ [Guids] > >>>>> gEfiRngAlgorithmX9313DesGuid = { 0x63c4785a, 0xca34, 0x4012, > >> {0xa3, > >>>>> 0xc8, 0x0b, 0x6a, 0x32, 0x4f, 0x55, 0x46 }} > >>>>> gEfiRngAlgorithmX931AesGuid = { 0xacd03321, 0x777e, 0x4d3d, > >> {0xb1, > >>>>> 0xc8, 0x20, 0xcf, 0xd8, 0x88, 0x20, 0xc9 }} > >>>>> gEfiRngAlgorithmRaw = { 0xe43176d7, 0xb6e8, 0x4827, > >>>>> {0xb7, > >>> 0x84, > >>>>> 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61 }} > >>>>> + gEfiRngAlgorithmArmRndr = { 0x43d2fde3, 0x9d4e, 0x4d79, > {0x02, > >>> 0x96, > >>>>> 0xa8, 0x9b, 0xca, 0x78, 0x08, 0x41 }} > >>>>> + gEdkiiRngAlgorithmUnSafe = { 0x869f728c, 0x409d, 0x4ab4, > >>>>> {0xac, > >>> 0x03, > >>>>> 0x71, 0xd3, 0x09, 0xc1, 0xb3, 0xf4 }} > >>>>> > >>>>> ## Include/Protocol/AdapterInformation.h > >>>>> gEfiAdapterInfoMediaStateGuid = { 0xD7C74207, 0xA831, 0x4A26, > >>> {0xB1, > >>>>> 0xF5, 0xD1, 0x93, 0x06, 0x5C, 0xE8, 0xB6 }} > >>>>> -- > >>>>> 2.25.1 > >>>>> > >>>>> > >>>>> > >>>>> -=-=-=-=-=-= > >>>>> Groups.io Links: You receive all messages sent to this group. > >>>>> View/Reply Online (#106688): > >>> https://edk2.groups.io/g/devel/message/106688 > >>>>> Mute This Topic: https://groups.io/mt/99981855/1772286 > >>>>> Group Owner: devel+ow...@edk2.groups.io > >>>>> Unsubscribe: https://edk2.groups.io/g/devel/unsub > [jiewen....@intel.com] > >>>>> -=-=-=-=-=-= > >>>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >> > >> > >> > >> > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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