Uncover the Hidden Security Chip in Your Memory Card 🔒

This patent from Giesecke & Devrient (2007) reveals the clever engineering behind modern secure memory cards. It describes a method to add security features like encryption and authentication to standard SD cards without requiring any special drivers. The innovation uses "routing information" - invisible tags that direct data either to regular storage or to a hidden security chip. This technology enables DRM protection, secure authentication, and encrypted storage on memory cards that work in any device.


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