An Improved Cryptosystem based on Shorter Keys and New Security Component using 2k-RSA Algorithm
Author(s):
P RAJAK KHAN, JS ANANDA KUMAR
Keywords:
Cryptography, RSA algorithm, 2k-RSA algorithm, Security Card
Abstract
Cryptography is used for secure communication since ancient days for providing confidentiality, integrity, and availability of the information. Public key cryptography is a classification of cryptography having a pair of keys for encryption and decryption. Public key cryptography provides security and authentication using several algorithms. RSA algorithm is prominent since its inception and is widely used. Several modified schemes were introduced to increase security in RSA algorithm involving additional complexity. In proposed system, we are used 2k-RSA algorithm. This is same as RSA algorithm but it have extra features. Improve security and these features include dividing the message M by the sender into two parts m1 and m2, and using two keys of shorter sizes (as compared to the original RSA keys), each key is used to encrypt part of the message. In addition to other security information component referred to as Security Card (SeCa). It contains encryption process, keys, and message segments. Mainly components are segment information, size, cipher positin, and keys. By this algorithm improve the performance in terms of increasing security and reducing the computation overhead by decreasing encryption and decryption times.
Article Details
Unique Paper ID: 145580

Publication Volume & Issue: Volume 4, Issue 10

Page(s): 629 - 632
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