Defence Research and Development Organization Near Metcalfe House, Civil Lines, New Delhi, 110054, India
Sandeep Kumar, Gaurav Mittal, Sunil Sangwan
In this paper: In this work, we present the IND-CPA secure (quantum) dual version of group ring based McEliece public key encryption (PKE) proposed in Mittal et al. (JDMSC, 2023). We show that in comparison to the c...
Gaurav Mittal, Sandeep Kumar, Sunil Kumar, Shiv Narain, Yogesh K. Gupta
In this paper: In this paper, our main aim is to propose a group ring analogue of the well-known learning with errors problem and discuss its security. Using this novel problem, we construct IND-CPA secure public ke...
Sunil Kumar, Gaurav Mittal, Arvind Yadav
In this paper: For most of the traditional IBEs (identity-based encryptions), security totally relies on the safekeeping of private keys. In case the private key is exposed, all the previously generated ciphertext n...
Gaurav Mittal, Sandeep Kumar, Sunil Kumar, Shiv Narain
In this paper: In this paper, we present two probabilistic public key cryptosystems (PKCs) based on the well known algebraic structure of group rings. The first cryptosystem is based on McEliece cryptosystem and we...
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