如何查看手机是硬件加密还是软件加密
在 /device/qocm/your project/BoardConfig.mk
/device/your project/BoardConfig.mk
#Enable HW based full disk encryption
TARGET_HW_DISK_ENCRYPTION := true
if it is true,it is hardware encryption,otherwise software.
原文：http://www.cnblogs.com/ts-develpoer/p/6051938.html