Using LSB Steganography Technique and 256 bits Key Length AES Algorithm for High Secured Information Hiding

Abstract The existing methods used for hiding the iris feature data were time-consuming for iris feature extraction. Meanwhile, the information security after hiding was also low, leading to low efficiency and security of information hiding. Therefore, a method of hiding iris features data generative information based on a Gaussian fuzzy algorithm was proposed. In the preprocessing stage of the image, the weighted average method was adopted for the gray-level transformation of the iris image, and the Gaussian fuzzy algorithm was used to smooth the image. In addition, the Laplacian convolution kernel was used to sharpen the image. The iris regions were normalized. The iris feature data was extracted by employing 2D Gabor wavelet. Moreover, the iris feature data was encrypted and decrypted using the AES algorithm, and hence, effectively enhancing the security of the generative information of iris feature data. Experimental results show that the proposed method can extract iris feature information within ten seconds, and the data security coefficient is high thus the proposed method efficiently realizes the information hiding.

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Design of AES Algorithm for 128/192/256 Key Length in FPGA

International Journal of Reconfigurable and Embedded Systems (IJRES) ◽

10.11591/ijres.v3.i2.pp49-53 ◽

2014 ◽

Vol 3 (2) ◽

pp. 49

Author(s):

Pravin V. Kinge ◽

S.J. Honale ◽

C.M. Bobade

Keyword(s):

Integrated Circuit ◽

High Speed ◽

Image Data ◽

Data Encryption ◽

Encrypted Image ◽

Aes Algorithm ◽

Encryption And Decryption ◽

Field Programmable ◽

Hardware Description ◽

Key Length

<p class="p0">The cryptographic algorithms can be implemented with software or built with pure hardware. However Field Programmable Gate Arrays (FPGA) implementation offers quicker solution and can be easily upgraded to incorporate any protocol changes. The available AES algorithm is used for data and it is also suitable for image encryption and decryption to protect the confidential image from an unauthorized access. This project proposes a method in which the image data is an input to AES algorithm, to obtain the encrypted image. and the encrypted image is the input to AES Decryption to get the original image. This project proposed to implement the 128,192 & 256 bit AES algorithm for data encryption and decryption, also to compare the speed of operation, efficiency, security and frequency . The proposed work will be synthesized and simulated on FPGA family of Xilink ISE 13.2 and Modelsim tool respectively in Very high speed integrated circuit Hardware Description Language (VHDL).</p>

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Monitoring System with Two Central Facilities Protocol

Indonesian Journal of Science and Technology ◽

10.17509/ijost.v2i1.5986 ◽

2017 ◽

Vol 2 (1) ◽

pp. 8 ◽

Cited By ~ 7

Author(s):

Caesar Firdaus ◽

Wahyudin Wahyudin ◽

Eddy Prasetyo Nugroho

Keyword(s):

Monitoring System ◽

Information Hiding ◽

Main Idea ◽

Data Integrity ◽

Security Protocol ◽

The Other ◽

Aes Algorithm ◽

Man In The Middle ◽

Attack Scenario ◽

Development Center

The security of data and information on government’s information system required proper way of defending against threat. Security aspect can be achieved by using cryptography algorithm, applying information hiding concept, and implementing security protocol. In this research, two central facilities protocol was implemented on Research and Development Center of Mineral and Coal Technology’s Cooperation Contract Monitoring System by utilizing AES and whitespace manipulation algorithm. Adjustment on the protocol by creating several rule of validation ID’s generation and checking processes could fulfill two of four cryptography objectives, consist of authentication and non-repudiation. The solid collaboration between central legitimization agency (CLA), central tabulating facility (CTF), and client is the main idea in two central facilities protocol. The utilization of AES algorithm could defend the data on transmission from man in the middle attack scenario. On the other hand, whitespace manipulation algorithm provided data integrity aspect of the document that is uploaded to the system itself. Both of the algorithm fulfill confidentiality, data integrity, and authentication.

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