Patent · US Active

Client privacy preserving session resumption

US11412373B2 · kind B2 · utility

1Cited by

12References

10Claims

0Family size

Assignee

NXP B.V. · NL

Inventors

Marcel Medwed · Graz, AT
Stefan Lemsitzer · Stainz, AT

Key dates

Filing date	Apr 3, 2020
Grant date	Aug 9, 2022
Priority date	—
Expiry date	Sep 29, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH04W12/069
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Various embodiments relate to a method and system for resuming a secure communication session with a server by a device, including: sending a message to the server requesting the resumption of a secure communication session; receiving from the server a server identifier, a server nonce, and a salt; determining that the device has a shared key with the server based upon the server identifier; determining that the received salt is valid; calculating a salted identifier based upon the shared key and the salt; sending the salted identifier to the server; and resuming the secure communication session with the server.

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