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CARDIS '02 Abstract
On the Implementation of the Advanced Encryption Standard on a Public-key
Crypto-Coprocessor
Antonio Valverde Garcia and Jean-Pierre Seifert, Infineon
Technologies AG
Abstract
This paper describes how to implement the new Advanced Encryption Standard (AES) using a modular arithmetic crypto-coprocessor, typically used to speed up public-key crypto-systems. This idea provides a fast and secure AES implementation when a dedicated hardware AES module is not available. The advantages of using the modular arithmetic coprocessor when compared to a pure software implementation are:
- much higher execution performance,
- less memory usage, and
- optimized protection against side-channel attacks.
Keywords: AES, Crypto-Coprocessor, Implementation Issues, Secure Implementation.
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