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Data safety transmission method

A data security and data technology, applied in the security field to ensure reliability, reduce the chance of leaks, and improve security

Inactive Publication Date: 2007-06-27
CHINA UNIONPAY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for secure data transmission to solve the technical problem in the prior art that the data security of the sending end and the receiving end need to be improved

Method used

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0019] Considering that the receiver correctly parses the received data, in many cases it is necessary to display all fields in the file with visible characters, even encrypted content must be displayed with visible characters. Therefore, the core of the present invention is that the sending end uniformly encodes the important data into other visible characters, and then encrypts the data that needs to be sent including the visible characters before sending it. Similarly, the receiving end first decrypts the received data , and then use the corresponding decryption method to convert these visible characters into important data. When the sending end is a local area network, when the original important data is obtained, it is immediately uniformly encoded into other visible characters for display, and the data transmitted inside the local area network is encoded visibl...

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Abstract

This invention relates to a method for transmitting data safely including: 1, a transmission end codes the original data necessary to be encrypted uniformly, 2, the transmission end ciphers the contained code data then transmits them, 3, the receiving end de-ciphers the received data then decodes said code data in terms of step 1 to get the encrypted original data, which are coded as follows: converting the necessary ciphered original data to ASCII code, then converts every character in the ASCII code to a corresponding hexadecimal system to form an emphasized ciphered data block of fixed format, or first of all converts the necessary emphasized encrypted data to the hexadecimal to form the data block with fixed format.

Description

technical field [0001] The invention relates to the security field, in particular to a method for secure data transmission. Background technique [0002] Network security solutions can be divided into two categories: one is a passive defense solution represented by firewall technology, and the other is an active open solution with data encryption and user authorization authentication as its core. Passive security solutions can only passively protect the security of the enterprise intranet, and have special requirements for the topology of the network. The active and open solution based on data encryption and user authentication does not require any network structure, and can directly actively protect the source data to achieve end-to-end security. In an active open solution, only designated users or network devices can interpret encrypted data. There is no doubt that encryption technology is the core of this type of solution. Encryption technology is a technology for encod...

Claims

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Application Information

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IPC IPC(8): H04L9/28
CPCH04L9/00H04L2209/60
Inventor 戚跃民胡文斌吴金坛徐静雯
Owner CHINA UNIONPAY
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