Comodo Cryptography Expert to Present Smart Card Research at Workshop

<p><strong>Jersey City, N.J. &mdash; Aug. 22</strong><br />Comodo, a global certification authority and provider of identity- and trust assurance-management solutions, has announced that Dr. Colin Walter, head of cryptography at Comodo&#39;s Digital Trust Research Lab, will present his latest findings at the Eighth International Workshop on Information Security Applications on Aug. 27-29 at the Ramada Plaza Hotel in Jeju Island, Korea. <br /><br />Walter&#39;s presentation, "Longer Randomly Blinded RSA Keys May be Weaker Than Shorter Ones," focuses on the limits of certain counter measures to side channel attacks. </p><p>The presentation emphasizes the need for more analysis and standards agreements to the countermeasures before relying on security systems when designing hardware for containing secret cryptographic keys. </p><p>In cryptography, side channel attacks relate to weaknesses in the physical devices (such as smart cards) used to deploy a cryptographic system. </p><p>These weaknesses sometimes can be exploited by an attacker to extract secret keys, enabling the devices to be cloned. </p><p>For example, minute variations in timing, power and electromagnetic radiation can be used to reconstruct the private keys used by a cryptographic token when performing authentication. </p><p>Many randomizing countermeasures are typically employed to decouple the side channel leakage from the keys and data being processed.</p>

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