Comparison of Simple Power Analysis Attack Resistant Algorithms for an Elliptic Curve Cryptosystem

Provided by: Academy Publisher
Topic: Hardware
Format: PDF
Side channel attacks such as Simple Power Analysis (SPA) attacks provide a new challenge for securing algorithms from an attacker. Algorithms for elliptic curve point scalar multiplication such as the double and add method is prone to these attacks. The protected double and add algorithm provides a simple solution to this problem but is costly in terms of performance. Another class of algorithm for point scalar multiplication that makes use of special addition chains can be used to protect against SPA attacks. A reconfigurable architecture for a cryptographic processor is presented and a number of algorithms for point multiplication are implemented and compared.

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