Martin Witzel

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Currency and float ID tracking in an electronic purse

Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Reexamination Certificate

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Method and system for the secure transmission and storage of pro

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Secure personalization of chip cards

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
Reexamination Certificate

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System and method for processing long messages in a chip card

Patent

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Profile ID: LFUS-PAI-P-212587

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