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data processing equipment

A technology for data processing equipment and equipment, which is applied in electrical digital data processing, ticketing equipment, instruments, etc., and can solve the problems of inconvenient design and manufacturing process and unsuitable application.

Active Publication Date: 2015-09-16
TITAN INTELLIGENCE TECH LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Smart cards, on the other hand, provide dynamic protection, i.e., not only the state of a process, but also how this state evolves over time, but this is inconvenient due to the need for specific design and manufacturing processes
Smart cards also typically have very limited processing power and are therefore not suitable for all applications

Method used

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Examples

Experimental program
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Embodiment Construction

[0055] Aspects of the invention rely on two main principles, outlined below:

[0056] (1) Protection against tampering relies heavily on tamper evidence or detection, rather than on tamper resistance of the entire process. In a general aspect, this is achieved by adding a secure anti-tamper controller after the main controller in the installation, and having this additional secure controller verify the rule base that processes running in the main controller have not been tampered with.

[0057] (2) In order to reduce the load on the additional security controller, the security controller does not perform a complete verification of all operations, but may, for example, randomly select an ongoing part of the target process for verification.

[0058] Such as Figure 3a and 3b As shown, an apparatus 30 comprising a first (host) controller 31 and a second (safety) controller 32 operating in accordance with the present invention can be viewed as operating in three distinct phases:...

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PUM

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Abstract

A data processing apparatus (30) comprising: a local source of data (4); a first controller (31); and a tamper-resistant second controller (32) configured to communicate with the first controller, the first controller being configured to control and receive data from the local source of data and from a sensing unit connected to the first controller via a communication interface and to perform a series of calculation operations on the data, wherein the second controller is configured to verify the integrity of a selected subset of the operations performed by the first controller.

Description

technical field [0001] The present disclosure relates to data processing devices for use in vehicle telematics systems or smart metering systems, and to methods for operating such devices, eg in road pricing. Background technique [0002] figure 1 A general concept related to telemetry is illustrated in schematic form, where a user entity 1 has access to a remote device 2 comprising a master controller 3 and a local database 4 . In this general case, a user or external entity 1 is able to use the device 2 via the bi-directional communication link 5 to convert certain input data into output data. As with telemetry, such systems can be applied in other contexts such as smart metering, including remote monitoring of energy usage. [0003] One concern in this case is how the external user entity 1 can be confident that the device 1 is indeed producing the correct output for a given input. In other words, the problem is how to protect the integrity of the processes running in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/55G07B15/02G07B15/06H04L69/40
CPCG07B15/06G01C21/26G07B15/02G06F21/52H04L63/1416G06F21/552G06F2221/034H04L63/123H04L63/0876H04L63/126
Inventor 迈克尔·M·P·皮特斯韦茨斯拉夫·尼科夫克劳德·德巴
Owner TITAN INTELLIGENCE TECH LTD
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