In a general aspect, a parameter is refreshed in a lattice based cryptography system. In
some aspects, a first value of a public parameter is obtained. The first value of the public …

A processor for executing a Rijndeal algorithm which applies a plurality of encryption rounds
to a data block array in order to obtain an array of identical size, each round involving a key …

The invention relates to a symmetric encryption process executed by a microcircuit to
transform a message into an encrypted message from a secret key, the process including a …

US7848514B2 - Table masking for resistance to power analysis attacks - Google Patents
US7848514B2 - Table masking for resistance to power analysis attacks - Google Patents …

0002 The Internet provides users with convenient and ubiquitous access to digital content.
The use of the Internet as a distribution medium for copyrighted content creates the …

The present disclosure relates to a countermeasure method in an integrated circuit
comprising at least one first logic circuit and at least one first input register Supplying the first …

In a general aspect, a lattice basis parameter for a lattice-based cryptography system is
generated. A first parameter for the lattice-based cryptography system is obtained. The first …

In a general aspect, a parameter is refreshed in a lattice-based cryptography system. In
some aspects, a first value of a public parameter is obtained. The first value of the public …

A method for masking several identical functional processes manipulating digital data,
including dividing the functional processes into steps at the end of each of which the process …

(57) ABSTRACT A countermeasure for differential power analysis attacks on computing
devices. The countermeasure includes the defini tion of a set of split mask values. The split …