On an efficient RSA public key encryption scheme
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DOI:
https://doi.org/10.26637/MJM0803/0069Abstract
RSA is the most widely used public key scheme for secure communication. Aboud et.al [1], proposed an improved version of original RSA scheme. They generalized it so that it can be implemented in the general linear group on the ring of integers mod \(n\). In the proposed scheme the original message and the encrypted message are \(h \times h\) square matrices with entries in \(Z_n\) as against the original RSA scheme which involves integer values. However, we identified a shortcoming of that scheme and proposed a new and efficient RSA public key encryption scheme. We also propose a digital signature scheme based on the new scheme.
Keywords:
Public key cryptosystem, RSA, General linear group, Digital signaturesMathematics Subject Classification:
Mathematics- Pages: 1138-1141
- Date Published: 01-07-2020
- Vol. 8 No. 03 (2020): Malaya Journal of Matematik (MJM)
S. J. Aboud, M.A. Al-Fayoumi, M. Al-Fayoumi and H.S. Jabber, An Efficient RSA Public Key Encryption Scheme, Fifth International Conference on Information Technology: New Generations, (2008), 127-130.
W. Diffie and M. Hellman, New Direction in Cryptography, IEEE Transaction on Information Theory, 22(6)(1976), 644-654.
T. Okamoto and S. Uchiyama, A New Public Key Cryptosystem as Secure as Factoring, In Proceedings of Europcrypt'98, LNCS 1403, (1998), 308-318.
D. Pointcheval, New Public Key Cryptosystem Based on the Dependent-RSA Problem, In proceedings of Euorcrypt'99, LNCS 1592, (1999), 239-254.
R. Rivest, A. Shamir and L. Adelman, A Method for Obtaining Digital Signature and Public Key Cryptosystems, Communications of the ACM, 21 (1978), 120-126.
N. Rakesh and P. Jayaram, NTRU Digital signature scheme-A matrix approach, International Journal of Advanced Research in Computer Science, 2(1)(2011), 1-10.
P. Sahadeo, On DRSA Public Key Cryptosystem, The International Arab Journal of Information Technology, 3(4)(2006), 334-336.
B. Schneier, Applied Cryptography, John Wiley & Sons, 1996.
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