New encryption apparatus

A technology of encryption device and secret, applied in the field of encryption device to solve information security

Inactive Publication Date: 2005-09-14
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] The purpose of the present invention is to provide a new encryption device, which can effectively solve the above hidden safety problems and improve controllability. The device of the present invention will greatly improve the anti-engineering tracking ability of the encryption system and the security protection strength of the system

Method used

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  • New encryption apparatus
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Examples

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Embodiment Construction

[0025] face in front figure 1 It has already been described in detail and will not be repeated here.

[0026] exist figure 2 In the shown structural diagram, the dotted line divides the interior of the encryption device into two areas, and the part below the line includes a programmable I / O interface 201, a checksum register 202 and a reset controller 203; the programmable I / O The O interface 201 is used to complete the exchange of data, instructions and addresses between the encryption device and the external system; the checksum register 202 is used to prevent messages from being tampered with and message mistransmission, in order to enhance the degree of protection of information integrity The verification method adopted is similar to the general verification code, but its calculation rules are not disclosed, and it is not easy to derive from the general verification rules; the reset controller 203 is used for device reset and in special cases The internal information cl...

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PUM

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Abstract

The invention relates to a enciphering device that consists of CPU and accelerator as main body as well as including programmable I/O interface, check register, reset controller, random number generator, chip ID, security protection unit, shared memory module and storage area of enciphering and deciphering subroutine. The invention has solved the shortcomings presented in one board enciphering system, enhanced capability against engineering tracking. It meets the strict requirements of information transmission and information system in information security area.

Description

technical field [0001] The present invention relates to the fields of information security products and information system security, in particular to an encryption device for solving information security in the fields of e-commerce, Internet network, virtual private network (VPN) application and the like. Background technique [0002] Information security, especially in the network environment, has become a major issue affecting national security, economic development, personal interests, and social stability. Starting from the protection of the interests of the country and individuals, all governments attach importance to information and network security, especially the developed countries have vigorously strengthened the research and supervision of information security. Recently, the United States is formulating a new data encryption standard program AES to replace the DES launched in the 1970s. Major multinational companies such as BM, HP, Sun, etc. have built powerful in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/00
Inventor 周玉洁张苏民
Owner ZTE CORP
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