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FPGA-based distributed multi-strategy decryption system and method thereof

A multi-strategy and distributed technology, applied in the field of decryption, can solve the problems of large and unrealistic password plaintext space, and achieve the effect of strong deployment and scalability

Inactive Publication Date: 2018-01-09
GUANGZHOU HUIRUI SITONG INFORMATION SCI & TECH CO LTD
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AI Technical Summary

Problems solved by technology

Due to the huge sample space of password plaintext, it is unrealistic to use a single decryption device for exhaustive enumeration or the rainbow table method of exchanging space for time

Method used

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  • FPGA-based distributed multi-strategy decryption system and method thereof

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Embodiment

[0026] as attached figure 1 As shown, the decryption system based on FPGA distributed multi-strategy disclosed by the present invention is designed in a distributed networking manner, and the whole system is divided into three main parts, which are respectively the interface system part, the server system part and the FPGA decryption node part . Each part can be deployed in the network arbitrarily, as long as the network can be interconnected normally.

[0027] The interaction relationship between the above three parts is as follows: the interface system part is an application interface for interacting with users, through which users can submit ciphertexts or files to be decrypted, and at the same time obtain the decrypted results through this interface. The server system part is one of the cores of the whole system. It completes the distribution and control of the task volume in the entire decryption process, and at the same time connects several front-end interface system p...

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Abstract

The invention discloses a FPGA-based distributed multi-strategy decryption system and a method thereof; the decryption system comprises interface system parts, a server system part and FPGA decryptionnode parts; the interface system part refers to an application interface for user interactions; a user can submit a to-be-decrypted cryptograph or file through the application interface, and obtainsa decrypted result through the interface; the server system part is used for releasing and controlling a task amount in the whole decryption process, and simultaneously connected with a plurality of interface system parts in the front end and a plurality of FPGA decryption node parts in the rear end; the FPGA decryption node part serves as the decryption operation core unit, and comprises a node PC jointed with the server and a plurality of FPGA decoders hung under the node PC; the FPGA decoder comprises a solid state hard disk so as to store rainbow table data of certain specific algorithm.

Description

technical field [0001] The invention relates to the technical field of decryption, in particular to a decryption system and method based on FPGA distributed multi-strategy. Background technique [0002] After years of development, most encryption algorithms have become mature and stable, and there are fewer and fewer exploitable algorithm loopholes. Therefore, the pure brute force cracking method that does not require any algorithm loopholes to crack passwords has become a general decryption method. In the field of decryption processing, it is an important content to decipher related encrypted data, especially for national defense and public security. [0003] Most of the existing cracking platforms use computers or computer clusters built with CPU or GPU technology to crack. Since the CPU (Central Processing Unit) on the computer only has the ability to perform serial operations, this greatly limits the efficiency of cracking. and performance. Although the platform built...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L9/06G06F7/57
Inventor 林伟松
Owner GUANGZHOU HUIRUI SITONG INFORMATION SCI & TECH CO LTD
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