SIMspeak - Towards an Open and Secure Application Platform for GSM SIMs
E-SMART '01 Proceedings of the International Conference on Research in Smart Cards: Smart Card Programming and Security
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We present approaches to raise the security level in the process of electronic signature creation by shifting as many tasks as possible involved in digitally signing data into a tamper-resistant and trustworthy smart card. We describe the fundamental technical principles our approach is based on, illustrate resulting design options, and compare the security of our approach with traditional electronic signature scenarios.