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pro vyhledávání: '"Narain, Shiv"'
The fuzzification of classical set theory came into existence when Zadeh [1] laid down the concept of a fuzzy set as a generalization of a crisp set. The objective of this paper is to extend the concept of fuzzy endomorphism to fuzzy automorphism. No
Externí odkaz:
http://arxiv.org/abs/1909.11184
Publikováno v:
Journal of Discrete Mathematical Sciences and Cryptography, 2021
In this paper, we propose two cryptosystems based on group rings and existing cryptosystem. First one is Elliptic ElGamal type group ring public key cryptosystem whose security is greater than security of cryptosystems based on elliptic curves discre
Externí odkaz:
http://arxiv.org/abs/1909.07262
In this paper, a variant of the Hill cipher is proposed. In the classical Hill cipher, an invertible matrix is used for encryption but the scheme is vulnerable to the known-plaintext attack which can reveal the matrix. In our proposed cryptosystem, e
Externí odkaz:
http://arxiv.org/abs/1909.06781
Autor:
Goel, Meenu, Narain, Shiv
Publikováno v:
Life Cycle Reliability & Safety Engineering; Jun2022, Vol. 11 Issue 2, p135-154, 20p
Publikováno v:
Journal of Discrete Mathematical Sciences and Cryptography; August 2022, Vol. 25 Issue: 6 p1683-1704, 22p
Autor:
Narain, Shiv1 (AUTHOR) math.shiv@gmail.com, Karan, Ram2,3 (AUTHOR) ramkaran_math@rediffmail.com, Srivastava, Hari M.2,4 (AUTHOR)
Publikováno v:
Cogent Mathematics. Dec2016, Vol. 3 Issue 1, p1-N.PAG. 8p.
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