4. Data processing: financial, business practice, management, or co
  5. Business processing using cryptography
  6. Usage protection of distributed data files

Robert W. Fransdonk

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Method and system to digitally sign and deliver content in a...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate

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Method and system to digitally sign and deliver content in a...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Method and system to dynamically present a payment gateway...

Information security – Access control or authentication – Network
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Method and system to secure content for distribution via a...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
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Method and system to securely distribute content via a network

Cryptography – Key management – Key distribution
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Profile ID: LFUS-PAI-P-2306799

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