Patent · US Active

Systems and methods for secure communication

US12200136B2 · kind B2 · utility

0Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 2021
Grant dateJan 14, 2025
Priority date
Expiry dateJan 4, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L63/166
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

An encrypted message comprising a DNS request may be received from a client device. The DNS request may be decrypted to determine an IP address and a port associated with the client device. A security token may be determined based on the IP address and the port. A message comprising an indication of the DNS request and the security token may be sent to a DNS server. A reply comprising a payload and the security token may be received from the DNS server. Based on the security token, an indication of the payload of the reply may be sent to the client device.

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