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Security function starting method and terminal

A security function, terminal technology, applied in the field of electronics, to improve production efficiency and reduce the probability of failure

Active Publication Date: 2014-03-26
SHENZHEN SKYWORTH DIGITAL TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can solve the problem of enabling safety functions in the production process, improve production efficiency and reduce the probability of failure

Method used

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  • Security function starting method and terminal
  • Security function starting method and terminal
  • Security function starting method and terminal

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Embodiment Construction

[0037] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0038] See figure 1 , figure 1 It is a flow chart of the first embodiment of a method for enabling a security function proposed by the present invention. The embodiment of the present invention enables the security function of the chip security module by starting the reset software, and then verifies the encrypted signature software through the security function of the opened chip security module, so that the encrypted signature software that passes the verificati...

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Abstract

The embodiment of the invention discloses a security function starting method. The method includes the first step of running startup resetting software stored in a flash memory when detecting that the security function of a chip security module is not at the time of booting, the second step of opening the security function of the chip security module by running the startup security function of the startup resetting software stored in the flash memory, the third step of obtaining encryption signature software stored in the flash memory when detecting that security function of the chip security module is opened at the time of rebooting, and the fourth step of verifying the obtained encryption signature software stored in the flash memory through the opened security function of the chip security module so that programs can be played through the verified encryption signature software. The embodiment of the invention further discloses a security function starting terminal. Through the adoption of the security function starting method and the terminal, the purpose of starting the security function in the production process is achieved, production efficiency is improved and the breakdown rate is reduced.

Description

technical field [0001] The present invention relates to the field of electronic technology, in particular to a method and a terminal for enabling a safety function. Background technique [0002] With the continuous enrichment of various application services of digital TV set-top boxes and the continuous increase in the number and value of program sources, there are higher requirements for the conditional access mechanism of programs and the data security of the set-top box itself. The advanced security chip solution developed by some CA (authentication) manufacturers and set-top box chip manufacturers provides a better solution for the above requirements. By implanting a security module inside the chip, the security module is opened in the form of OTP (One-time Password, dynamic password), and at the same time, the software of the set-top box is encrypted and signed. When starting up, first execute the security module inside the chip, and then the security module performs s...

Claims

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Application Information

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IPC IPC(8): H04N21/4367H04N21/443
Inventor 杨盛东
Owner SHENZHEN SKYWORTH DIGITAL TECH CO LTD
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