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An anti-reverse engineering e-mail security forwarding system and method

An email and reverse engineering technology, applied in the field of data security, can solve the problems of recipient private key leakage, cumbersome steps, and plaintext leakage of emails, and achieves the effect of low complexity, high security, and guaranteed security.

Active Publication Date: 2018-06-29
HUBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These steps are cumbersome, and if this process is handed over to an untrustworthy mail server, it is very easy to leak the recipient's private key and all the plaintext of the email

Method used

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  • An anti-reverse engineering e-mail security forwarding system and method
  • An anti-reverse engineering e-mail security forwarding system and method
  • An anti-reverse engineering e-mail security forwarding system and method

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Embodiment Construction

[0049] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0050] In the traditional re-encryption scheme, the re-encryption program may be reversed by a third party to obtain the private key. In order to make up for the shortcomings of the existing scheme, the present invention uses re-encryption and obfuscation technology to safely confuse the re-encryption circuit. Proxy re-encryption on the server. When the mail server performs proxy re-encryption on the mail, it uses the re-encryption scheme provided in the scenario to re-encrypt the encrypted mail into a form that the proxy recipient can decrypt. Due to the sa...

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PUM

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Abstract

The invention discloses an anti-reverse engineering e-mail security forwarding system and method. The system includes a secret e-mail re-encryption module and a re-encryption e-mail recovery module. Among them, the secret email re-encryption module includes a preprocessing parameter generation unit, a re-encryption tuple generation unit, a re-encryption processing unit that has been confused, and a re-encryption output unit; the re-encryption email recovery module includes a re-encryption email receiving unit, and a re-encryption email decryption unit. unit, an original mail search unit; the method includes an e-mail re-encryption method and an e-mail re-encryption recovery method; the present invention has the characteristics of low implementation complexity, high security, easy recovery, etc. Re-encrypt and forward the mail through the third-party mail service provider without leaking any information of the mail itself.

Description

technical field [0001] The invention belongs to the technical field of data security, and relates to a secure e-mail forwarding system and method, in particular to a third-party e-mail server, which uses e-mail as an object and combines cryptography technology with cloud computing to prevent e-mail and private A secure re-encryption forwarding system and method for key leakage. Background technique [0002] With the rapid development and popularization of the Internet, e-mail has become one of the most widely used and popular services in the network. Users of e-mail have developed from business, science, and education industries to ordinary families, and it is becoming more and more important to ensure the security of e-mail itself and the impact of e-mail on the system. At present, more and more emails will be encrypted and sent to recipients due to the need for confidentiality. However, when recipients cannot process these emails in time and need other people to process t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/58H04L29/06
Inventor 张明武张语荻赵玲陈泌文
Owner HUBEI UNIV OF TECH