An electronic device and system switching method
A technology for electronic equipment and system switching, applied in the field of electronic information, can solve problems such as being difficult to implement and unable to meet user security requirements, and achieve the effect of meeting high-performance security requirements
Active Publication Date: 2019-02-05
LENOVO (BEIJING) LTD
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Problems solved by technology
[0002] Currently, security solutions promoted on terminal devices mainly include security elements (SECURE ELEMENT, referred to as SE), secure operating environment (TRUST EXECUTE ENVIRONMENT, referred to as TEE), and software solutions based on common operating systems (Operating System, referred to as OS), such as 360 Security, etc. The security level of software solutions often cannot meet the security needs of users due to software vulnerabilities, and security solutions based on hardware isolation, such as: TRUS TZONE security zone, are not easy to implement
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[0054] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0055] The electronic devices provided by the embodiments of the present invention include but are not limited to: mobile phones, computers, tablet computers and mobile Internet devices. In this embodiment, the first system is an ordinary system on the electronic equipment, and the second system is a security system on the electronic equipment. The security system is an important system of the electronic equipment, which cannot be accessed at will, and is a key protection system of the electronic equipment. External attacks require high security. figure 1 For a schematic structural diagram of an electronic device provided in an embodiment of the present invention, re...
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The embodiment of the invention discloses an electronic device and a system switching method which are applicable to the technical field of electronic information, and aims at switching the electronic device between the common system and the safety system according to the user demand so as to meet the safety demand of a user on the high performance of the electronic device. The electronic device comprises a CPU, a data bus, an internal memory controller, an internal memory, a storage device and a safety control device; the safety control device is connected with the CPU, the internal memory controller and the storage device through the data bus; the internal memory controller is connected with the internal memory and used for controlling the accessing of the data in the internal memory; the safety control device is connected with the storage device and controls the accessing of data in the storage device; the safety control device is used for responding to a switching instruction inputted by the user; the first system and the second system are switched according to the switching instruction. The system switching method is applied to the electronic device.
Description
technical field [0001] The invention relates to the field of electronic information, in particular to an electronic device and a system switching method. Background technique [0002] Currently, security solutions promoted on terminal devices mainly include security elements (SECURE ELEMENT, referred to as SE), secure operating environment (TRUST EXECUTE ENVIRONMENT, referred to as TEE), and software solutions based on common operating systems (Operating System, referred to as OS), such as 360 Security, etc. The security level of software solutions often cannot meet the security needs of users due to software vulnerabilities, and security solutions based on hardware isolation, such as TRUS TZONE, are not easy to implement. Contents of the invention [0003] Embodiments of the present invention provide an electronic device and a system switching method, which can realize system switching in the electronic device simply through hardware isolation, and meet the safety require...
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IPC IPC(8): G06F21/74
Inventor 章丹峰靳玉茹钟荣标何士贵余俊峰
Owner LENOVO (BEIJING) LTD