Security Activation for Dual Connectivity

摘要

Methods and apparatus for determining a security algorithm to be used for secured communications between a wireless terminal and a second node while the wireless terminal is dually connected to a first node and to the second node. An example method, implemented in the first node, includes determining (610) a first set of security algorithms, the first set including those algorithms supported by the wireless terminal. A second set of security algorithms is also determined (620), where the second set includes those security algorithms that are supported by the second node. In some embodiments, this determining (620) includes receiving information from the second node, the information identifying which security algorithms are supported by the second node. At least one security algorithm is then indicated (630) to the second node, wherein the indicated security algorithm is chosen from the intersection of the first and second sets.

主权项

1. A method, in a first node, for determining a security algorithm to be used for secured communications between a wireless terminal and a second node while the wireless terminal is dually connected to the first node and to the second node, the method comprising:
determining a first set of security algorithms, wherein the first set is supported by the wireless terminal; determining a second set of security algorithms, wherein the second set is supported by the second node; and indicating a security algorithm to the second node, wherein the security algorithm is chosen from the intersection of the first and second sets.