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OvmfPkg: Add RngLib based on TimerLib for Crypto 

Updates the DSC's for Ovmf based platforms to add a RngLib that uses the
TimerLib. This is due to a later change that adds TimerLib as a dependency
for OpenSSL. The TimerLib based RngLib mimics the behavior of OpenSSL
previously and it is recommended to switch to a better source of
entropy than the system's performance counter.

Ref: https://github.com/tianocore/edk2/pull/845
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1871

Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Julien Grall <julien@xen.org>

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Matthew Carlson <matthewfcarlson@gmail.com>
This commit is contained in:
Matthew Carlson 2020-07-31 13:39:48 -07:00 committed by mergify[bot]
parent ed0dce7d54
commit a09df5d2e1
5 changed files with 5 additions and 0 deletions
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1
OvmfPkg/Bhyve/BhyveX64.dsc
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@ -185,6 +185,7 @@
!else
OpensslLib|CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
!endif
RngLib|MdePkg/Library/BaseRngLibTimerLib/BaseRngLibTimerLib.inf
!if $(SECURE_BOOT_ENABLE) == TRUE
PlatformSecureLib|OvmfPkg/Bhyve/Library/PlatformSecureLib/PlatformSecureLib.inf

1
OvmfPkg/OvmfPkgIa32.dsc
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@ -189,6 +189,7 @@
!else
OpensslLib|CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
!endif
RngLib|MdePkg/Library/BaseRngLibTimerLib/BaseRngLibTimerLib.inf
!if $(SECURE_BOOT_ENABLE) == TRUE
PlatformSecureLib|OvmfPkg/Library/PlatformSecureLib/PlatformSecureLib.inf

1
OvmfPkg/OvmfPkgIa32X64.dsc
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@ -193,6 +193,7 @@
!else
OpensslLib|CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
!endif
RngLib|MdePkg/Library/BaseRngLibTimerLib/BaseRngLibTimerLib.inf
!if $(SECURE_BOOT_ENABLE) == TRUE
PlatformSecureLib|OvmfPkg/Library/PlatformSecureLib/PlatformSecureLib.inf

1
OvmfPkg/OvmfPkgX64.dsc
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@ -193,6 +193,7 @@
!else
OpensslLib|CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
!endif
RngLib|MdePkg/Library/BaseRngLibTimerLib/BaseRngLibTimerLib.inf
!if $(SECURE_BOOT_ENABLE) == TRUE
PlatformSecureLib|OvmfPkg/Library/PlatformSecureLib/PlatformSecureLib.inf

1
OvmfPkg/OvmfXen.dsc
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@ -179,6 +179,7 @@
!else
OpensslLib|CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
!endif
RngLib|MdePkg/Library/BaseRngLibTimerLib/BaseRngLibTimerLib.inf
AuthVariableLib|MdeModulePkg/Library/AuthVariableLibNull/AuthVariableLibNull.inf
VarCheckLib|MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf