128-bit block size
An Enhanced AES Algorithm Based on Variable Sbox And 200 Bit Data Block
... 200 bit size[2] block encryption scheme and a key dependent substitution box which varies according to the 200 bit key provided by the ...200 bit key in the form of a 5*5 matrix[2] ...
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A Modified approach to Improvise the Efficiency of DES and AES using 1024 Bit Key
... input block a 1024 bit key size compared with 128-bit in the original AES and DES ...i.e., 128 bit, 192 bits 256 bits, 512 bits and 1024 bit keys are considered the ...
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Vol 10, No 1 (2018)
... supports 128-bits input block size using dynamic selection encryption method and reduction of cipher function execution through randomly determined ...on 128-bit input text revealed ...
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Enhancing AES Algorithm Using Random Shuffle Method
... The Advance Encryption Standard (AES) was published by National Institute of Standards and Technology (NIST) in February 2001 to replace DES as the approved standard for a wide range of applications .The drawbacks of ...
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Tweaks and Keys for Block Ciphers: the TWEAKEY Framework
... tweak size t and key size k are too large this problem becomes ...complete 128-bit tweak 128-bit key 128-bit block cipher proposal Deoxys-BC based on the AES ...
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Multi Core Processor Arrays Cores Optimization in AES Engines
... a 128-bit block of encrypted cipher text together with the secret key, and yields the original 128-bit block of ...the block size are encrypted by a mode of ...
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Compact Implementations of LEA Block Cipher for Low-End Microprocessors
... lightweight block cipher named LEA was ...improve 128-, 192- and 256-bit LEA encryption for low-end embedded ...code size to ensure minimum code ...For size optimization, our implemen- ...
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The SIMON and SPECK Block Ciphers on AVR 8-bit Microcontrollers
... The ITUbee data is taken directly from its specification paper [17]. Data for SEA, IDEA and Klein are taken from [19], [12] and [10], respectively. In some cases, code size estimates had to be made to fit our ...
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Expanded 128-bit Data Encryption Standard
... a 128-bit approach on the outdated Data Encryption Standard ...symmetric block cipher is well past its prime, many methods have been devised by hackers in order to crack the cipher and obtain the ...
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Design of AES 512 Algorithm for Communication Network
... AES 128 bit key is considered to be secure compared to other existing symmetric cipher ...key size and more throughputs come from using four times larger block size that the ...
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Lightweight Ciphers for Internet of things: A Survey
... new block cipher HIGHT [5] with 64-bit block length and 128-bit key ...lightweight block cipher called PRESENT [6] proves its applicability on both security and hardware ...bits ...
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Area-Efficient 128-bit Carry Select Adder Architecture
... uniform block size and variable block size. Similarly 128-bit can also be developed in two modes of different block ...leastsignificant bit to the most- significant ...
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The distinguishing attack on Speck, Simon, Simeck, HIGHT and LEA
... In recent years a large number of so called lightweight block ciphers have been proposed. They are widely adopted in devices with low computing power. Ex- amples of these highly constrained devices are RFID tags, ...
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128 Bit Parallel Prefix Tree Structure Comparator
... n bit input into 2 n/2 bits and the result of two n/2 comparators is given to the priority encoder so that it considers the msb priority ...n bit inputs are divided into n/4 modules each module compares ...
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128 BIT SQUARE ROOT CARRY SELECT ADDER
... Carry Select Adder is one of the adders used in many data-processing processors to perform arithmetic functions. Carry select adder is used to increase the speed of a parallel adder that expands area in favour of ...
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International Journal of Computer Science and Mobile Computing
... Abstract— In recent years, the chaos based cryptographic algorithms have some optional and efficient ways to develop secure encryption techniques. In this paper, we proposed a modified approach for encryption based on ...
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Design and implementation of transmission of 128 bit digital data generated from a data generation unit from one base station to another base station with its reception at the receiver end using Hamming (224,128) Code technique written in VHDL code
... the 128-bit digital data using a data generation unit with it transmission and reception over ...desired 128-bit data is encrypted before transmission using Hamming (224,128) code technique to ...
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Optimization of Finite-Differencing Kernels for Numerical Relativity Applications
... Figure 1. Single-core performances (left panel) and speedup (right panel) for variable block size in the case of the wave equations with stencil size S = 2. The tests have been executed with ...
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Energy-Efficient Reconfigurable Approximate Carry Look-Ahead Adder (Rap-Cla) Using Xilinx
... In this paper, we propose a fast yet energy-efficient reconfigurable approximate carry look-ahead adder (RAP-CLA). This adder has the ability of switching between the approximate and exact operating modes making it ...
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Area Delay Power Efficient Carry Select Adder for Modern Signal Processors
... Abstract: The area, power-efficient and high speed and data path logic systems forms the largest areas of research in VLSI system chip design. The addition speed is limited by the time necessary to send a carry via the ...
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