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1. (WO2014209190) ENCRYPTING AND STORING DATA

Pub. No.:    WO/2014/209190    International Application No.:    PCT/SE2013/050823
Publication Date: Thu Jan 01 00:59:59 CET 2015 International Filing Date: Sat Jun 29 01:59:59 CEST 2013
IPC: H04L 9/08
Applicants: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
Inventors: NÄSLUND, Mats
MELO DE BRITO CARVALHO, Tereza Cristina
IWAYA, Leonardo Horn
SIMPLICIO JUNIOR, Marcos Antonio
Title: ENCRYPTING AND STORING DATA
Abstract:
Methods and apparatus for encrypting and storing data. The methods and apparatus provide different levels of security and usability. The methods and apparatus generate two or more keys based on a shared secret made available to a user equipment and a server. The two or more keys comprise at least one perfect forward secrecy key, and at least one limited forward secrecy key. The methods and apparatus encrypt data using at least one of the two or more keys. The methods and apparatus store the encrypted data in a memory of the user equipment and/or transmit the data from the user equipment to the server.