Exact Security Analysis of ASCON

ePrint Report: Exact Security Analysis of ASCON

Bishwajit Chakraborty, Chandranan Dhar, Mridul Nandi

The Ascon cipher suite, offering both authenticated encryption with associated data (AEAD) and hashing functionality, has recently emerged as the winner of the NIST Lightweight Cryptography (LwC) standardization process. The AEAD schemes within Ascon, namely Ascon-128 and Ascon-128a, have also been previously selected as the preferred lightweight authenticated encryption solutions in the CAESAR competition. In this paper, we present a tight and comprehensive security analysis of the …

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