Patent · US Active

Method and device for automatically distributing updated key material

US8781128B2 · kind B2 · utility

3Cited by
6References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 2013
Grant dateJul 15, 2014
Priority date
Expiry dateJan 28, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2209/80
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method for handling an encrypted message received on an electronic device that has not been encrypted using a current public key. The portable electronic device automatically generates a reply message to the sender in response to determining that the message has not been encrypted with the current public key. The reply message may contain the current public key of the recipient device, and may request the sender to resend the message encrypted with the current public key.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.