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Browsing by Author "Tsague, HD"

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An advanced mutual-authentication algorithm using 3DES for smart card systems

Author: Tsague, HD ; Nelwamondo, Fulufhelo V ; Msimang, N Date: Nov 2012 One of the most commonly used two-factor user authentication mechanisms nowadays is based on smart card and personal identity number or password. A scheme of this type is usually known as, a smart card based password authentication. The core ... Read more
Bit-level differential power analysis attack on implementations of advanced encryption standard software running inside a PIC18F2420 microcontroller

Author: Mpalane, K ; Tsague, HD ; Gasela, N ; Esiefa, EM Date: Dec 2015 Small embedded devices such as microcontrollers have been widely used for identification, authentication, securing and storing confidential information. In all these applications, the security and privacy of the microcontrollers are of crucial ... Read more
First principle leakage current reduction technique for CMOS devices

Author: Tsague, HD ; Twala, B Date: Dec 2015 This paper presents a comprehensive study of leakage reduction techniques applicable to CMOS based devices. In the process, mathematical equations that model the power-performance trade-offs in CMOS logic circuits are presented. From those ... Read more
Leakage current minimisation and power reduction techniques using sub-threshold design

Author: Tsague, HD ; Twala, B Date: Nov 2015 Low power IC solutions are in great demand with the rapid advancement of handheld devices, wearables, smart cards and radio frequency identification bringing a massive amount of new products to market that all have the same primary need: ... Read more
Secure firmware updates for point of sale terminals

Author: Tsague, HD ; Van der Merwe, Johannes J ; Moabalobelo, Terrence Date: Mar 2015 A large number of electronic transactions are performed with credit or debit cards at point of sale terminals located at merchant stores. The success of this form of payment however, has an associated cost due to the management and maintenance ... Read more
Simulation and parameter optimization of polysilicon gate biaxial strained silicon MOSFETs

Author: Tsague, HD ; Twala, B Date: Oct 2015 Although cryptography constitutes a considerable part of the overall security architecture for several use cases in embedded systems, cryptographic devices are still vulnerable to the diversity types of side channel attacks. Improvement in ... Read more
Survey on the cryptanalysis of wireless sensor networks using side-channel analysis

Author: Moabalobelo, Terrence ; Nelwamondo, Fulufhelo V ; Tsague, HD Date: Sep 2012 Since the inception of side channel attacks, research has gone a long way in proving that embedded devices capable of running cryptographic algorithms are highly susceptible to these attacks. These attacks are non-invasive in which an attacker ... Read more
Vulnerability of advanced encryption standard algorithm to differential power analysis attacks implemented on ATmega-128 microcontroller

Author: Mpalane, Kealeboga ; Gasela, N ; Esiefarienrhe, BM ; Tsague, HD Date: Sep 2016 A wide variety of cryptographic embedded devices including smartcards, ASICs and FPGAs must be secure against breaking in. However, these devices are vulnerable to side channel attacks. A side channel attack uses physical attributes such as ... Read more

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Browsing by Author "Tsague, HD"

Browsing by Author "Tsague, HD"

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