Cryptography Research and StarChip Sign Patent License Agreement for DPA Countermeasures

Cryptography Research and StarChip Sign Patent License Agreement for DPA Countermeasures

SAN FRANCISCO & MEYREUIL, France--(BUSINESS WIRE)-- Cryptography Research, Inc. (CRI), a division of Rambus Inc. (NAS: RMBS) , and StarChip SAS (StarChip), experts in designing and qualifying Smart Card ICs, today announced they have signed a patent license agreement allowing the use of Cryptography Research's patented technology in StarChip products, including the StarChip line of smartcard integrated circuits. Incorporating Cryptography Research's patented countermeasures onto their devices will help protect StarChip's products against differential power analysis (DPA) and related side channel attacks. The license covers hardware and software countermeasures developed by StarChip or its customers.

"At StarChip, we are committed to being a leading supplier in the Smart Card industry and to delivering the highest possible level of security in our Smart Card chips. We recently announced our innovative GAIA technology designed to protect products against current, and future threats and to control costs by eliminating complex and hazardous analog protection, as well as optimizing the size of our Invincte crypto engine," said Lucien Brau, CEO at StarChip. "The DPA countermeasures licensed from Cryptography Research are a significant part of the security solutions that we are delivering to our customers."

"DPA countermeasures are crucial to securing smartcards, other semiconductor products, and electronic systems from malicious attacks," said Pankaj Rohatgi, technical director at Cryptography Research. "StarChip joins a growing line of chip makers who are licensing our DPA countermeasures. We are excited about the integration of DPA countermeasures into their smartcard integrated chip solutions."

DPA is a form of attack that involves monitoring the fluctuating electrical power consumption of a target device and then using statistical methods to derive cryptographic keys and other secrets. Strong countermeasures to DPA are important for securing mobile devices, bank cards, pay television systems, secure identity products, secure storage media, anti-tamper products, and other electronic systems and components. Many of the world's leading security standards require that devices be protected against DPA and related attacks.

Cryptography Research has developed a portfolio of more than 60 patents covering countermeasures to DPA attacks, with additional patent applications pending worldwide. For additional information on DPA Countermeasures or on Cryptography Research visit

About Cryptography Research, Inc.

Cryptography Research, Inc. (CRI), a division of Rambus Inc., is a leader in semiconductor security research and development. Established by internationally renowned cryptographer Paul Kocher, CRI develops and licenses innovative technologies in areas including tamper resistance, content protection, anti-counterfeiting, network security, and financial services. Over six billion security products are made each year under license from CRI. Security systems designed by CRI scientists and engineers protect hundreds of billions of dollars in commerce annually. Additional information is available at

About StarChip

StarChip is a dynamic semiconductor company that enables customers to directly benefit from our unique, optimized value chain system. We design and qualify products for mass production, then license our solutions for purchase directly by our customers through qualified foundries and test houses.

StarChip products are based on state-of-the art, Flash-based 32-bit architectures. They are designed to offer maximum integration, providing support for embedded, innovative security technologies, analog functionality and connectivity and control interfaces. The result is a flexible set of solutions that can easily meet the requirements of a wide variety of markets, including smart cards and security, consumer, automotive and industrial applications.

For additional information please visit

Andrew Lloyd & Associates
Carol Leslie, +44 1273 675100
Schwartz Communications
Dan O'Mahony, 415-512-0770

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