Patent
Efficient cellular network security configuration
Stephen Babbage
- 05 May 2016
4
TL;DR: In this article, a key management message is communicated between a cellular network and a mobile terminal, and an intermediate security key specific to the mobile terminal is generated using the stored common authentication key.
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Abstract: Security key management is provided between a cellular network and a mobile terminal. The mobile terminal and an authentication management node of the cellular network both store a common security key. A key management message is communicated between the cellular network and the mobile terminal. In response to the communication, an intermediate security key specific to the mobile terminal is generated using the stored common authentication key. A session security key is generated using the intermediate security key, for securing a communications session between the cellular network and the mobile terminal.
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Citations
Patent
Communication devices and associated method
Leong Frank,De Perthuis Hugues Jean Marie,Küchler Wolfgang +2 more
- 10 Jan 2019
TL;DR: In this paper, a method for operating system to transmit a plurality of frames from a first communication device to a second communication device, comprising: generating, at the first device, a security sequence using a security-sequence-counter-value; changing the security sequence counter-value to a new security sequence-countervalue; encrypting, at first device using a first-derived-session-key to provide an encrypted-security-sequencecounter-counter value; providing, at second device, an encrypted security-sequences and encrypted-secrecy-sequence counter value; and
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Patent
Cryptographic system management
David A. Roberts,Alan Mushing,Susan Thompson +2 more
- 28 Jun 2018
TL;DR: In this article, a method of refreshing key material is described for use in a trusted execution environment logically protected from a regular execution environment, which is described in connection with an application executing securely on a mobile device.
2
Patent
Low latency security
Steven Babbage,Nicholas Bone +1 more
- 20 Dec 2017
TL;DR: In this article, the authors proposed a secure communication session between a mobile terminal and a serving network node of a cellular network by sending a key management message between the core network and the serving network nodes wherein the intermediate security key is generated, derived or recovered within the mobile terminal.
Patent
Secured authentication in lpwa communication networks
Schnieders Dominik,Spitz Stephan +1 more
- 23 Jan 2019
TL;DR: In this article, a communication device (110) for communicating data over a low power wide area (LPWA) communication network, where the communication device comprises: a processor (111) configured to process data; a memory (113, 115) configured to store data; and a radio (117) configurable to transmit and/or receive data over the LPWA communication network; a security system configured to operate one or more sets of logically separated security domains.
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Patent
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