Patent ID: 8165290
Filing Date: 2012-04-24
Classification: H04L,H04W

Abstract:
1. A Foreign Agent supporting Mobile IP and adapted for generating an authentication key to be shared between the Foreign Agent and a Home Agent, comprising: a processor; and a memory, at least one of the processor or the memory being adapted for: receiving by the Foreign Agent supporting Mobile IP a first key material generated by the Home Agent, thereby enabling the Foreign Agent to generate a Foreign-Home authentication key shared between the Foreign Agent and the Home Agent; dynamically generating by the Foreign Agent a second key material; transmitting by the Foreign Agent the second key material such that it is received by the Home Agent, thereby enabling the Home Agent to generate a Foreign-Home authentication key shared between the Home Agent and the Foreign Agent; dynamically generating by the Foreign Agent the Foreign-Home authentication key shared between the Home Agent and the Foreign Agent from the first key material; wherein dynamically generating the second key material includes computing the value of Y=(g wherein dynamically generating the Foreign-Home authentication key shared between the Home Agent and the Foreign Agent includes computing the value k=(X