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| author | Ard Biesheuvel <ardb@kernel.org> | 2024-09-13 13:00:19 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2024-09-23 06:11:25 +0000 |
| commit | 1a89c690a1df8a22bd2157be72d438b741c96854 (patch) | |
| tree | 15480b354831c28e91c4a7b0edf52ecf16bd5a96 | |
| parent | 1815f35b87f182ca4c5019e9c570f12dbbef61f8 (diff) | |
| download | edk2-1a89c690a1df8a22bd2157be72d438b741c96854.zip edk2-1a89c690a1df8a22bd2157be72d438b741c96854.tar.gz edk2-1a89c690a1df8a22bd2157be72d438b741c96854.tar.bz2 | |
CryptoPkg/OpensslLib: Create SM3-only version of the library
Create a special OpensslLib implementation that only exposes the SM3
routines that MbedTlsLib borrows from OpensslLib, to avoid having to
pull in other parts of OpenSSL that are not needed (e.g., via the
library constructor)
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
| -rw-r--r-- | CryptoPkg/CryptoPkg.dsc | 1 | ||||
| -rw-r--r-- | CryptoPkg/Library/OpensslLib/OpensslLibSm3.inf | 30 | ||||
| -rw-r--r-- | CryptoPkg/Library/OpensslLib/OpensslStub/OpensslCleanse.c | 20 |
3 files changed, 51 insertions, 0 deletions
diff --git a/CryptoPkg/CryptoPkg.dsc b/CryptoPkg/CryptoPkg.dsc index f23fb6f..d440069 100644 --- a/CryptoPkg/CryptoPkg.dsc +++ b/CryptoPkg/CryptoPkg.dsc @@ -372,6 +372,7 @@ CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
CryptoPkg/Library/OpensslLib/OpensslLib.inf
CryptoPkg/Library/OpensslLib/OpensslLibFull.inf
+ CryptoPkg/Library/OpensslLib/OpensslLibSm3.inf
CryptoPkg/Library/BaseHashApiLib/BaseHashApiLib.inf
CryptoPkg/Library/BaseCryptLibOnProtocolPpi/PeiCryptLib.inf
CryptoPkg/Library/BaseCryptLibOnProtocolPpi/DxeCryptLib.inf
diff --git a/CryptoPkg/Library/OpensslLib/OpensslLibSm3.inf b/CryptoPkg/Library/OpensslLib/OpensslLibSm3.inf new file mode 100644 index 0000000..9e36490 --- /dev/null +++ b/CryptoPkg/Library/OpensslLib/OpensslLibSm3.inf @@ -0,0 +1,30 @@ +## @file
+# Minimal OpensslLib implementation that only provides SM3 and nothing else.
+# Needed by MbedTlsLib.
+#
+# Copyright (c) 2024, Google LLC. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 1.30
+ BASE_NAME = OpensslLibSm3
+ FILE_GUID = 96469bab-9c3f-4a60-a583-71a8bda64ec9
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = OpensslLib
+
+ DEFINE OPENSSL_PATH = openssl
+
+[Sources]
+ $(OPENSSL_PATH)/crypto/sm3/sm3.c
+ OpensslStub/OpensslCleanse.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ CryptoPkg/CryptoPkg.dec
+
+[LibraryClasses]
+ BaseMemoryLib
diff --git a/CryptoPkg/Library/OpensslLib/OpensslStub/OpensslCleanse.c b/CryptoPkg/Library/OpensslLib/OpensslStub/OpensslCleanse.c new file mode 100644 index 0000000..21c9399 --- /dev/null +++ b/CryptoPkg/Library/OpensslLib/OpensslStub/OpensslCleanse.c @@ -0,0 +1,20 @@ +/** @file
+ Minimal implementation of OPENSSL_cleanse for OpensslLibSm3.inf.
+
+ Copyright (c) 2024, Google LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <Library/BaseMemoryLib.h>
+
+VOID
+OPENSSL_cleanse (
+ VOID *Buffer,
+ UINTN Size
+ )
+{
+ ZeroMem (Buffer, Size);
+}
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