A measurement system and method for trusted computer
A measurement system and computer technology, applied in computer security devices, calculations, instruments, etc., can solve problems such as increasing hardware costs, achieve the effect of reducing hardware costs and achieving convenience
Active Publication Date: 2019-11-26
苏州国芯科技股份有限公司
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Problems solved by technology
However, in the existing measurement schemes, it usually involves the modification of the BIOS of the hardware system motherboard or the modification of the hardware to complete the measurement, which increases the hardware cost of the measurement
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[0041] The core of the present invention is to provide a measurement system and method for a trusted computer, which can avoid modifying the BIOS or hardware of the motherboard when performing trusted security measurement on the hardware system in the computing and communication system, so as to reduce the Additional hardware costs.
[0042] In order to make the above objects, features and advantages of the present invention more comprehensible, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0043] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the present invention is n...
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The invention discloses a measuring system and method for a trusted computer. The measuring system comprises a trusted measuring part in the trusted computer and OPROM verification equipment connected with the trusted computer, wherein the OPROM verification equipment is used for storing OPROM verification information for performing Hash verification on data in a main board SPI flash memory of the trusted computer, and a corresponding verification result; and the trusted measuring part is used for reading and copying the OPROM verification information, performing Hash verification on the data in the main board SPI flash memory of the trusted computer according to the OPROM verification information, and storing the corresponding verification result to the OPROM verification equipment. By adopting the externally connected OPROM verification equipment to store the OPROM verification information, the data in the main board SPI flash memory of the trusted computer can be verified, and the corresponding verification result can be stored; after the trusted computer enters an operating system, a user can directly check the recorded verification result; in addition, modifying on the main board BIOS and hardware is not required in the process, so that convenient realization is achieved, and extra hardware cost is lowered.
Description
technical field [0001] The invention relates to the technical field of trusted computing, in particular to a measurement system and method for trusted computers. Background technique [0002] With the development of information technology, in order to ensure the overall security of computing and communication systems, trusted computing has been introduced into computing and communication systems. letter computing platform. [0003] Since the 1970s, many trusted computing platforms have been proposed from the application program, operating system and hardware level, but the most practical one is the trusted computing platform based on the hardware platform. The purpose of trusted computing is to ensure behavioral security, and to propose an operating entity that can go beyond preset security rules and perform special behaviors. Due to the continuous development of computer network applications, computer information security issues emerge in an endless stream, and it will be...
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IPC IPC(8): G06F21/57
CPCG06F21/577
Inventor 肖佐楠郑茳匡启和王廷平秦赟
Owner 苏州国芯科技股份有限公司