Firmware updating method, device and system

A firmware update and firmware file technology, applied in computer security devices, instruments, electronic digital data processing, etc., can solve problems such as Trojan horse attacks, data information leakage, illegal update of image forming device firmware, etc., to reduce the risk of leakage, guarantee effect of legitimacy

Pending Publication Date: 2021-10-29
ZHUHAI PANTUM ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present application provides a firmware update method, device and system, which can solve the problem of illegally updating the firmware of an image forming device in the prior art, causing the image forming device to be attacked by malicious programs and Trojan horses, resulting in data information leakage

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  • Firmware updating method, device and system
  • Firmware updating method, device and system
  • Firmware updating method, device and system

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Embodiment Construction

[0075] The terms used in the embodiments of the present application are only used to explain specific embodiments of the present application, and are not intended to limit the present application.

[0076] With the advancement of electronic science and technology, the development of image forming apparatuses has become more and more mature, but as a kind of computer peripheral equipment, image forming apparatuses are easily attacked by criminals such as hackers. Take a laser printer (one of many types of image forming devices) with scanning and / or faxing functions as an example, the scanned or faxed data may carry the user's confidential data, and even the core components of laser imaging. The photosensitive drum may also carry confidential data to be printed by the user. Once the data is leaked, it will bring a lot of unnecessary trouble to the user. One attack method is through the firmware update process of the image forming apparatus.

[0077] Firmware is a program writte...

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Abstract

The invention provides a firmware updating method, device and system. The method comprises the following steps: receiving a firmware updating file which comprises a signature file and a firmware file; obtaining a first certificate, wherein the first certificate is a certificate used for firmware updating; generating a public key according to the first certificate; performing signature verification on the firmware file according to the public key and the signature file; and if the signature verification is passed, performing firmware updating by using the firmware file. The problem that in the prior art, firmware of the image forming device is illegally updated, so that the image forming device is attacked by malicious programs and Trojan horses, and data information is leaked can be solved.

Description

technical field [0001] The present application relates to the technical field of image formation, and in particular, to a method, device and system for updating firmware. Background technique [0002] An image forming apparatus is an apparatus that forms an image on a recording medium by an imaging principle, such as a printer, a copier, a facsimile machine, a multifunctional image making and copying apparatus, an electrostatic printing apparatus, and any other similar apparatus. At present, individuals, enterprises or other organizations need to use a large number of image forming apparatuses for corresponding business processing in their daily operations. For example, create internal documents (such as memos, presentations, various records and processes, etc.), as well as documents for external use (such as patients, clients, etc.). [0003] With the advancement of electronic science and technology, the development of image forming apparatuses has become more and more mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/51
CPCG06F21/51
Inventor 丁大军李海雄卓进超
Owner ZHUHAI PANTUM ELECTRONICS
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