The two-way authentication sequence is based on a hardwired logic algorithm, random numbers and secret keys. Data transmission to and from the card is encrypted to ensure confidentiality and protection against replay attacks. The GemEasy8000 also features electronic purse functions. Credit and debit operations are managed directly inside the chip with distinct access rights, allowing you to implement electronic purse functions securely. Exposure to temperature may result in limited dimension variation or card warping with no impact on Contactless card application.
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