4f01ef23d1
This change: 1) Switches the Makefiles over to using LOCAL_STATIC_LIBRARIES, which I understand is the new hotness, rather than setting a -I flag directly. 2) Switches to the non-deprecated _ex versions for EVP_EncryptFinal. 3) Uses the EVP_PKEY interface for checking PSS signatures. This is the only supported interface in OpenSSL: the PSS padding check functions are only exported in upstream OpenSSL because it's a library from the 90s and they don't have a concept of "unexported". Also, by using the EVP functions, OpenSSL/BoringSSL can do a better job of being constant-time. Since there aren't any obvious tests for checking that the signtaure verification still works, I tested with the code in the referenced paste, which includes both the old and new verification functions and checks that they both work on a sample signature. (And I also checked that they both fail when a bit in the signature is changed.) https://paste.googleplex.com/5747976139964416 Change-Id: Iae7409c53eeea9c3892a32c180d7181d72467dcb
24 lines
551 B
Makefile
24 lines
551 B
Makefile
LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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ifeq ($(BOARD_WIDEVINE_OEMCRYPTO_LEVEL),1)
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LOCAL_CFLAGS := -DREQUIRE_SECURE_BUFFERS
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endif
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LOCAL_SRC_FILES := \
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WVCryptoPlugin.cpp
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LOCAL_C_INCLUDES := \
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$(TOP)/vendor/widevine/proprietary/wvm/include \
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LOCAL_CFLAGS += -Wno-unused-parameter
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LOCAL_MODULE:= libwvdecryptcommon
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LOCAL_MODULE_TAGS := optional
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LOCAL_STATIC_LIBRARIES := libcrypto_static
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# Not 64-bit compatible, WVCryptoPlugin::decrypt stores a pointer in a uint32
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LOCAL_MULTILIB := 32
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include $(BUILD_STATIC_LIBRARY)
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