Patent ID: 9189632
Filing Date: 2015-11-17
Classification: G06F,H04L,H04W

Abstract:
1. A method for protecting security of data, which is applied to a machine type communication, comprising: querying, by a network side entity, a home subscribe server (HSS) whether there is machine type communication (MTC) characteristic information of a communication terminal; determining, by the network side entity, whether communication between the communication terminal and the network side entity is a small data transmission according to the MTC characteristic information of the communication terminal; storing, by the network side entity, information pertaining to security context if the communication terminal which communicates with the network side entity is a small data transmission, wherein the step of storing the information pertaining to the security context is performed subsequent to the step of querying the HSS; obtaining, by the network side entity, a current security context according to the information pertaining to security context; and protecting, by the network side entity, security of communication data by employing the current security context, wherein the information pertaining to the security context comprises: