Method for generating a public key
Patent 5199070 Issued on March 30, 1993. Estimated Expiration Date: 
December 18, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 18, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesCryptographic method and apparatus for public key exchange with authentication Method for identifying subscribers and for generating and verifying electronic signatures in a data exchange system Cipher-key distribution system Method for secure communication Patent #: 5073935 InventorsAssigneeApplicationNo. 809134 filed on 12/18/1991US Classes:380/30Public keyExaminersPrimary: Barron, Gilberto Jr.Attorney, Agent or FirmInternational ClassH04L 009/30Foreign Application Priority Data1990-12-18 JPAbstractA authentic public key of the other party of user in communications is generated using the other party's user information and identification information, and a center's public information. The center doesn't know the user's secret keys, and no secret communication paths are required between the center and the users. The workload of the users is not increased even if a plurality of centers are introduced to prevent possible wrongdoing by the center.Other References
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