Naïve implementation of block ciphers are subject to side-channel and fault injection attacks.
To deceive side-channel attacks and to detect fault injection attacks, the designer inserts …

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 …

A method for data cryptographic processing, that is implemented by an electronic entity and
includes the conversion of input data (M′ i− 1), masked by an input mask (X), into output …

A cryptographic circuit performs a substitution operation of a cryptographic algorithm based
on a scrambled substitution table. For each set of one or more substitution operations of the …

BACKGROUND 0002 The present invention relates to a cryptographic pro cessing
apparatus and a control method for a cryptographic processing circuit, and more particularly …

(57) ABSTRACT A cryptographic circuit performs a substitution operation of a cryptographic
algorithm. For each substitution operation of the cryptographic algorithm, a series of …

BACKGROUND 0003 Modern cryptographic systems seek to protect the secrecy of
information through the application of a math ematical transformation that permutes the …

The disclosure concerns implementing, by a cryptographic circuit, a set of substitution
operations of a cryptographic process involving a plurality of substitution tables. For each set …

Computer-implemented Systems, methods, and computer readable media for generating
and executing anti-reverse engineering software include receiving at least one of a set of …

A cryptographic circuit performs a substitution operation of a cryptographic algorithm. For
each substitution operation of the cryptographic algorithm, a series of substitution operations …