Digital signing method
First Claim
Patent Images
1. A digital signing method, comprising:
- applying a secret key to a message to generate a digital signature for the message;
distributing a digital-signature-attached message including the generated digital signature and the message;
registering the digital-signature-attached message as log data with a log list; and
providing said log list responsive to a request.
0 Assignments
0 Petitions
Accused Products
Abstract
According to the invention, techniques for authenticating that a digitally signed document is genuine. Specific embodiments according to the present invention can determine whether a digital signature was generated by a digital signature generator, or if the digital signature was generated by a third party posing as the digital signature generator. Specific embodiments can provide independent verification of digital signer identity based upon prior signed messages, time/date stamps, and the like. Techniques according to the present invention can be embodied in methods, apparatus, computer software and systems.
-
Citations
1 Claim
-
1. A digital signing method, comprising:
-
applying a secret key to a message to generate a digital signature for the message;
distributing a digital-signature-attached message including the generated digital signature and the message;
registering the digital-signature-attached message as log data with a log list; and
providing said log list responsive to a request.
-
Specification