diff options
| author | CoprDistGit <infra@openeuler.org> | 2024-08-01 14:44:22 +0000 |
|---|---|---|
| committer | CoprDistGit <infra@openeuler.org> | 2024-08-01 14:44:22 +0000 |
| commit | 641da27ad73e8f09c40e8b093dcf824c0ee4d02a (patch) | |
| tree | 5c8e4f5928100c6dd587e063b7b1de59d2236845 /0037-SecurityPkg-RngDxe-add-rng-test.patch | |
| parent | bac9f1a06357b69667a40f0cb2ab674767947337 (diff) | |
automatic import of edk2openeuler24.03_LTSopeneuler23.09
Diffstat (limited to '0037-SecurityPkg-RngDxe-add-rng-test.patch')
| -rw-r--r-- | 0037-SecurityPkg-RngDxe-add-rng-test.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/0037-SecurityPkg-RngDxe-add-rng-test.patch b/0037-SecurityPkg-RngDxe-add-rng-test.patch new file mode 100644 index 0000000..b894821 --- /dev/null +++ b/0037-SecurityPkg-RngDxe-add-rng-test.patch @@ -0,0 +1,43 @@ +From 4947d363211159647e9266fa20ad9d4c8bc52f71 Mon Sep 17 00:00:00 2001 +From: Gerd Hoffmann <kraxel@redhat.com> +Date: Fri, 31 May 2024 09:49:13 +0200 +Subject: [PATCH] SecurityPkg/RngDxe: add rng test + +Check whenever RngLib actually returns random numbers, only return +a non-zero number of Algorithms if that is the case. + +This has the effect that RndDxe loads and installs EFI_RNG_PROTOCOL +only in case it can actually deliver random numbers. + +Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> +(cherry picked from commit a61bc0accb8a76edba4f073fdc7bafc908df045d) +--- + SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c b/SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c +index 5723ed6957..8b0742bab6 100644 +--- a/SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c ++++ b/SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c +@@ -23,6 +23,7 @@ +
+ #include <Library/BaseLib.h>
+ #include <Library/BaseMemoryLib.h>
++#include <Library/RngLib.h>
+
+ #include "RngDxeInternals.h"
+
+@@ -43,7 +44,12 @@ GetAvailableAlgorithms ( + VOID
+ )
+ {
+- mAvailableAlgoArrayCount = RNG_ALGORITHM_COUNT;
++ UINT64 RngTest;
++
++ if (GetRandomNumber64 (&RngTest)) {
++ mAvailableAlgoArrayCount = RNG_ALGORITHM_COUNT;
++ }
++
+ return EFI_SUCCESS;
+ }
+
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