A dynamic study with side channel against An Identification Based Encryption

Rkia Aouinatou, Mostafa Belkasmi, Mohamed Askali

Abstract


Recently, the side channel keeps the attention of researchers in theory of pairing, since, several studies have been done in this subject and all them have the aim in order to attack the cryptosystems of Identification Based Encryption (IBE) which are integrate into smart cards (more than 80% of those cryptosystems are based on a pairing). The great success and the remarkable development of the cryptography IBE in the recent years and the direct connection of this success to the ability of resistance against any kind of attack, especially the DPA and DFA attacks, leave us to browse saying all the studies of the DPA and DFA attacks applied to a pairing and we have observed that they have no great effect to attack the cryptosystems of IBE. That’s what we will see in this paper. In this work we will illuminate the effect of the DPA attack on a cryptosystems of IBE and we would see on what level we can arrive. Thus in the case where this attack can influence on those cryptosystems, we can present an appropriate counter measures to resist such attack. In the other part we will also propose a convenient counter-measure to defend the attack DFA when the embedding degree is even

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International Journal of Communication Networks and Information Security (IJCNIS)          ISSN: 2076-0930 (Print)           ISSN: 2073-607X (Online)