android 4.0的模板,Android keymaster4.0- device集成笔记

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1、Android keymaster的介绍和总结

2、Android keystore/Keymaster的代码导读

文章目录

1、keymaster@4.0-service的集成

2、keymaster HAL接口的定义

3、keymaster@4.0-service 纯软实现

3、keymaster@4.0-service beanpod实现

4、keymaster@4.0-service trustonic实现

5、总结

1、keymaster@4.0-service的集成

在device.mk中定义了需要集成的keymaster，多选一:

android.hardware.keymaster@4.0-service.trustonic

android.hardware.keymaster@4.0-service.beanpod

android.hardware.keymaster@4.0-service.beanpod.lite

android.hardware.keymaster@4.0-service.trustkernel

android.hardware.keymaster@4.0-service.mtee

android.hardware.keymaster@4.0-service //纯软

(vim device/mediatek/common/device.mk)

# list of all TEEs

ifeq ($(strip $(TRUSTONIC_TEE_SUPPORT)), yes)

PRODUCT_PACKAGES += android.hardware.keymaster@4.0-service.trustonic

else ifeq ($(strip $(MICROTRUST_TEE_SUPPORT)), yes)

PRODUCT_PACKAGES += android.hardware.keymaster@4.0-service.beanpod

else ifeq ($(strip $(MICROTRUST_TEE_LITE_SUPPORT)), yes)

PRODUCT_PACKAGES += android.hardware.keymaster@4.0-service.beanpod.lite

else ifeq ($(strip $(TRUSTKERNEL_TEE_SUPPORT)), yes)

PRODUCT_PACKAGES += android.hardware.keymaster@4.0-service.trustkernel

else ifeq ($(strip $(MTK_IN_HOUSE_TEE_SUPPORT)), yes)

PRODUCT_PACKAGES += android.hardware.keymaster@4.0-service.mtee

else

PRODUCT_PACKAGES += android.hardware.keymaster@4.0-service

endif #end of list of TEEs

2、keymaster HAL接口的定义

hardware/interfaces/keymaster/4.0$ ls

Android.bp default IKeymasterDevice.hal support types.hal vts

3、keymaster@4.0-service 纯软实现

hardware/interfaces/keymaster/4.0/default$ ls

Android.bp android.hardware.keymaster@4.0-service.rc OWNERS service.cpp

(cat service.cpp)

#include

#include

#include

#include

using android::hardware::keymaster::V4_0::SecurityLevel;

int main() {

::android::hardware::configureRpcThreadpool(1, true /* willJoinThreadpool */);

auto keymaster = ::keymaster::V4_0::ng::CreateKeymasterDevice(SecurityLevel::SOFTWARE);

auto status = keymaster->registerAsService();

if (status != android::OK) {

LOG(FATAL) << "Could not register service for Keymaster 4.0