Patents by Inventor Niilo LEHTIKUJA

Niilo LEHTIKUJA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Domain name system queries
    Patent number: 11888828
    Abstract: Embodiments relate to a method for secure domain name system, DNS, queries. The method is performed in a DNS client, and the method includes obtaining an encryption key and internet protocol, IP, address for a final DNS resolver, creating a session key, encrypting a DNS query and the created session key with the obtained encryption key, and sending a DNS message containing the encrypted DNS query and the created session key to an intermediate DNS resolver, different from the final DNS resolver, together with the obtained IP address for the final DNS resolver. Methods, nodes, computer programs, and a computer program product for secure DNS queries are also presented.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: January 30, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Niilo Lehtikuja, Patrik Salmela
  • DOMAIN NAME SYSTEM QUERIES
    Publication number: 20220006797
    Abstract: Embodiments relate to a method for secure domain name system, DNS, queries. The method is performed in a DNS client, and the method includes obtaining an encryption key and internet protocol, IP, address for a final DNS resolver, creating a session key, encrypting a DNS query and the created session key with the obtained encryption key, and sending a DNS message containing the encrypted DNS query and the created session key to an intermediate DNS resolver, different from the final DNS resolver, together with the obtained IP address for the final DNS resolver. Methods, nodes, computer programs, and a computer program product for secure DNS queries are also presented.
    Type: Application
    Filed: November 26, 2018
    Publication date: January 6, 2022
    Inventors: Niilo LEHTIKUJA, Patrik SALMELA