Patent ID: 8948395
Filing Date: 2015-02-03
Classification: H04L,H04W

Abstract:
1. A method for secure handoff, comprising: an access terminal securely communicating with a first access point using a first transient session key, wherein the first transient session key is generated based on a first interim master key, and wherein the first interim master key is generated based on a top-level master key and a first sequence number associated with the first access point; the access terminal associating a second sequence number with a second access point; the access terminal initiating a secure handoff from the first access point to the second access point, wherein the second sequence number is forwarded to the first access point; the access terminal generating a second interim master key based on the first interim master key and the second sequence number; the access terminal generating a second transient session key based on the second interim master key; and the access terminal securely communicating with the second access point using the second transient session key.