Patent ID: 6931528
Filing Date: 2005-08-16
Classification: H04L,H04W

Abstract:
1. A method for a secure handshake protocol between a first party and a second party, connected via a communications channel, wherein each party supports a respective set of cipher suites and for each party, a respective certificate is defined, each of the certificates comprising a public key of its respective owner, the method being characterized in that comprising: sending from the first party to the second party a first inter-party message indicating the set of cipher suites supported by the first party, parameters required by the cipher suites, and an identifier of the first party; wherein in response to the first inter-party message, the second party: wherein in response to the second inter-party message, the first party: and wherein information not needed for the above steps can be sent from the first party to the second party in the third inter-party message, thus providing a two-way key-exchange and mutual verification with an effective overhead of two inter-party messages.