Designing Full-Rate Sponge based AEAD modes

ePrint Report: Designing Full-Rate Sponge based AEAD modes

Bishwajit Chakraborty, Nilanjan Datta, Mridul Nandi

Sponge based constructions have gained significant popularity for designing lightweight authenticated encryption modes. Most of the authenticated ciphers following the Sponge paradigm can be viewed as variations of the Transform-then-permute construction. It is known that a construction following the Transform-then-permute paradigm provides security against any adversary having data complexity $D$ and time complexity $T$ as long as $DT \ll 2^{b-r}$. Here, $b$ represents the size of …

aead ciphers construction encryption eprint report paradigm rate report transform