By Wyld, David C.; Zizka, Jan; Nagamalai, Dhinaharan
The foreign convention sequence on laptop technology, Engineering & functions (ICCSEA) goals to assemble researchers and practitioners from academia and to target knowing laptop technological know-how, engineering and purposes and to set up new collaborations in those components. the second one overseas convention on computing device technological know-how, Engineering & functions (ICCSEA-2012), held in Delhi, India, in the course of may well 25-27, 2012 attracted many neighborhood and overseas delegates, providing a balanced mix of mind and examine either from the East and from the West. Upon a strenuous peer-review technique the easiest submissions have been chosen resulting in a thrilling, wealthy and a top quality technical convention application, which featured high-impact shows within the most recent advancements of varied parts of laptop technological know-how, engineering and purposes research.
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Keywords » AI - set of rules - Bioinformatics - conversation - DSP - facts mining - Database - Embedded process - Fuzzy platforms - online game Engineering - Geographical info structures (GIS) - international Navigation satellite tv for pc platforms (GNSS) - Grid Computing - picture Processing - cellular Computing - Multimedia - common Language Processing - Networks - Neural Networks trend attractiveness - genuine Time structures - Scalable Computing - gentle Computing - software program Engineering - Web
Related matters » Computational Intelligence and Complexity - Database administration & info Retrieval - indications & communique - software program Engineering
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The perfect convention has develop into a distinct, verified and wide interdisciplinary discussion board for specialists, researchers and practitioners in lots of fields to engage with one another and with prime lecturers and industries within the parts of computing device studying, info processing, info mining, wisdom administration, bio-informatics, neu- informatics, bio-inspired types, brokers and allotted structures, and hybrid structures.
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Additional info for Advances in Computer Science, Engineering and Applications Proceedings of the Second International Conference on Computer Science, Engineering and Applications (ICCSEA 2012), May 25-27, 2012, New Delhi, India
5 Conclusion In this paper a new cryptosystem based on Feistel network has been proposed. The algorithm exploits Feistel structure to provide better security than regular designs. Its variable size key makes the key space very large and hence brute force attack is not possible. Variable block size makes it difficult for the attacker to guess the size of the plaintext. Padding by random variables causes an undeterministic change in data in all rounds of encryption. Its testing against Differential and Linear attacks is yet to be done.
Vii. viii. Confusion: It refers to making the relation between cipher text, plain text and key as complex as possible. It is achieved by substitution [iii]. Diffusion: It refers to dissipating the plain text and key over cipher text such that each plain text block or key effects each cipher text bit. It is achieved by permutation [iv]. Substitution: Process of mixing linear and nonlinear operation in order to get an output by replacing the input by some value. Permutation: Process of shuffling the bits so that each bit of cipher text should depend on each bit of plain text.
E. e. part 1 and the key. We calculate N where N = (x plain text bits + Key) MOD (128-x). e. part 2 of the block, N bits are subsequent plaintext bits and rest 128-x-N bits are random bits selected by the encoder. The same calculation is done by the decoder and the last 128-x-N bits are discarded after decryption. The value of x is pre determined by the sender and receiver. Theoretically the value of x lies in the range 0 ≤ x ≤ 128 but if we select x = 0 then no plaintext bits are selected for part 1.
Advances in Computer Science, Engineering and Applications Proceedings of the Second International Conference on Computer Science, Engineering and Applications (ICCSEA 2012), May 25-27, 2012, New Delhi, India by Wyld, David C.; Zizka, Jan; Nagamalai, Dhinaharan