Laszlo Hars

Bit mixer based parallel MAC and hash functions

Tamper resistant counters

Systems and methods implementing countermeasures to phase tracking attacks on ring oscillator based entropy sources

Systems and methods for on-chip temperature stabilization for temperature-sensitive components of integrated circuits

Countermeasures to frequency alteration attacks on ring oscillator based physical unclonable functions

Interference detecting ring oscillators

Synchronizable ring oscillators

Stabilizing the startup behavior of ring oscillators

Methods for constructing secure hash functions from bit-mixers

Method and system for generation of cipher round keys by bit-mixers

System and method for providing hardware based fast and secure expansion and compression functions

Active test and alteration of sample times for a ring based random number generator

Hardware assisted fast pseudorandom number generation

Data dependent authentication keys for differential power analysis resistant authentication

Scrambled tweak mode of blockciphers for differential power analysis resistant encryption

Scrambled counter mode for differential power analysis resistant encryption

Data encryption and authentication using a mixing function in a communication system

Parallelizable cipher construction

System and method for reducing information leakage from memory

Address-dependent key generator by XOR tree

Periodic memory refresh in a secure computing system

Address-dependent key generation with a substitution-permutation network

Double-mix Feistel network for key generation or encryption

DYNAMIC MEMORY ADDRESS REMAPPING IN COMPUTING SYSTEMS

Secure host authentication using symmetric key crytography

Parallelizable cipher construction

SECURITY AGAINST MEMORY REPLAY ATTACKS IN COMPUTING SYSTEMS

Using memory access times for random number generation

Data transcription in a data storage device

Cascaded data encryption dependent on attributes of physical memory

Secure memory transaction unit

Infinite key memory transaction unit

Write operation with immediate local destruction of old content in non-volatile memory

Cascaded data encryption dependent on attributes of physical memory

Selective purge of confidential data from a non-volatile memory

Memory sanitation using bit-inverted data

Secure host authentication using symmetric key cryptography

Random number generator incorporating channel filter coefficients

Random number generation system with ring oscillators

Active test and alteration of sample times for a ring based random number generator