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Dynamic cipher wireless transmission method

A dynamic password and wireless transmission technology, applied in the field of electronic password transmission, can solve the problems of time error accumulation, increase user burden, user card damage, etc., and achieve the effect of improving confidentiality and effectiveness

Inactive Publication Date: 2003-05-28
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the synchronization between the user card and the host system mainly adopts the non-contact clock synchronization technology, which may lead to the accumulation of time errors, it is necessary to correct the clocks of both parties after a period of time
In addition, due to the need to use the user password card, thereby increasing the user's burden of use
And this user card with keyboard and liquid crystal display will also be damaged due to careless use.

Method used

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  • Dynamic cipher wireless transmission method
  • Dynamic cipher wireless transmission method
  • Dynamic cipher wireless transmission method

Examples

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Embodiment Construction

[0020] Now illustrate the implementation state of the present invention in conjunction with accompanying drawing.

[0021] figure 1 In the process, the user enters the user information (such as registration number) stored on the IC card, magnetic card, radio frequency card, iButton information button or remote communication input device into the host system through the user interface, and the host system queries the corresponding user in its database according to this information. pager (or mobile

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PUM

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Abstract

A dynamic cipher system for wireless paging is disclosed. The function of its main system is implemented by software, including dynamic database, creating new user process, automatic updating new cipher process, user access process and automatic paging process. User information is input via user interface. The main system inquires relative number of pager or mobile telephone in dynamic database and transmits dynamic cipher to user via telecommunication network interface and paging station. Said dynamic cipher is generated by parameter-changing chaotic calculation, mapping and coarse granularity operation. Its advantages are high security and efficacy. Said system can be used in network communication and electric lock.

Description

technical field [0001] The invention belongs to an electronic password transmission method realized by utilizing electronic computer and telecommunication technology. Background technique [0002] On the computer network of banks and securities companies, security is very important. For this reason, setting account numbers and passwords for each user is a widely used technology; on the Internet, there are many electronic resources that require payment. Used, this technology is also adopted for this purpose; on the local area network of the company, hotel or group, there is a problem of access rights, and internal personnel hold passwords with different rights to perform different levels of access. In fact, such security problems exist in fields such as e-commerce. With the popularity of e-commerce and electronic locks, electronic theft cases are becoming more and more serious. Electronic hackers intercept account numbers and passwords by monitoring account number and passw...

Claims

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Application Information

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IPC IPC(8): H04L9/12H04Q7/06
Inventor 胡汉平周焰吴晓刚周学勇李泽宇
Owner HUAZHONG UNIV OF SCI & TECH
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