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Dr Walter's presentation, Longer Randomly Blinded RSA Keys may be Weaker thanShorter Ones, focuses on the limits of certain counter measures to side channelattacks. The presentation emphasizes the need for more analysis and standardsagreements to the counter-measures before relying on security systems when designinghardware for containing secret cryptographic keys. In the field of cryptography,Side Channel Attacks relate to weaknesses in the physical devices (such as smartcards) used to deploy a cryptographic system. These weaknesses can sometimes beexploited by an attacker to extract secret keys, enabling the devices to be cloned.For example, minute variations in timing, power and electro-magnetic radiation canbe used to reconstruct the private keys used by a cryptographic token whenperforming authentication. A number of randomizing counter-measures are typicallyemployed to decouple the side channel leakage from the keys and data beingprocessed.
Dr. Colin Walter is the Head of Cryptography at Comodo, a former chairman of thePeripherals Working Group in the Trusted Computing Group and a steering committeemember of the IACR Cryptographic Hardware and Embedded Systems workshops. He has aformidable international reputation in the design of hardware and algorithms for theimplementation of RSA cryptography. A senior member of the IEEE, Colin is mostwell-known to the international community for his long term research into Montgomerymodular multiplication and side channel leakage from smart cards.
A selection of his papers is available at the Comodo website:http://www.comodo.com /research/crypto/publications. html. Full conference details anditinerary can be found at the WISA website - http://www.wisa.or.kr/.About Comodo
The Comodo companies provide the infrastructure that is essential in enablinge-merchants, other Internet-connected companies, software companies, and individualconsumers to interact and conduct business via the Internet safely and securely. TheComodo companies offer PKI SSL, Code Signing, Content Verification and E-MailCertificates; award winning PC security software; vulnerability scanning servicesfor PCI Compliance; secure e-mail and fax services.
Continual innovation, a core competence in PKI, and a commitment to reversing thegrowth of Internet-crime distinguish the Comodo companies as vital players in theInternet's ongoing development. Comodo secures and authenticates online transactionsand communications for over 200,000 business customers and 3,000,000 users of ourdesktop security products.
For additional information on Comodo - Creating Trust Online visithttp://www.comodo.comFo r more information, media representatives should contact
Judy ShapiroComodo(201) 963-9471Email: judy.shapiro@comodo.com
