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DJPS

Diyala Journal for Pure Science

Scientific Refereed Journal Published By College of Science - University of Diyala

 

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djps.16.01.516B

Diyala Journal for Pure Science DJPS

P- ISSN:2222-8373, E-ISSN:2518-9255

Volume 16, Issue 1 , January  2020

 

 

 

Multi-Resolution Like Data Transmission Security Using Diffie-Hellman Protocol

 

Hanaa Mohsin Ahmed and Rozeen Waheed Jassim

 

Year: 2020, Volume: 16, Issue: 1

 

Pages: 102-119 , DOI:  https://dx.doi.org/10.24237/djps.16.01.516B

 

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Abstract


 

In this paper, special schema has been proposed for long message transmission which has been encrypted in efficient manner that is called (parallel multi-resolution like) encryption approach, that means multiple levels or sub-image represented in a matrix contains data of long message, each level of this matrix related with classical encryption methods with a secret keys that generated by (Diffie–Hellman) key exchange protocol that utilized in our cryptosystem. The statistical analysis that applied on encrypted data indicates that cipher text passed in each statistical test. Moreover, this cryptosystem removed an important problem which is (Man in the middle attack) in that protocol and (Brute force attack). Then efficiency of data transfer security has been increased when using the hash function (SHA256) and separating number of characters, the proposed method has improved the mechanism of protocol (D-H), making it possible to send long messages more confidentially.

 

Keywords: Multi-Resolution, Hashed Diffie - Hellman Protocol, Data transmission security, Long messages encryption, Brute force attack.

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