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Compact and high-speed hardware architectures and logic optimization methods for the AES algorithm Rijndael are described. Encryption and decryption data paths are combined and all arithmetic components are reused. By introducing a new composite field, the S-Box structure is also optimized. An extremely small size of 5.4 Kgates is obtained for a 128-bit key Rijndael circuit using a 0.11-μmCMOS standard...
In a Web application framework suitable for a code-centric development approach, maintaining the faultlessness of the security features is an issue because the security features are dispersed throughout the code during the implementation. In this paper, we propose a method and develop a static verification tool for Web applications that checks the completeness of the security features implementation...
We propose a model-assisted security testing framework for developing Web applications. We devised a tool called "RailroadMap" that automatically extracts a behavior model from the code base of Ruby-on-Rails. This model provides a unified point of view for analyzing security problems by representing an application's behavior, which includes all security functions and possible attack scenarios.
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