Method for wireless communication, wireless port connection device, and computer program product

A first wireless port connection device for wireless communication with a second wireless port connection device, the first wireless port connection device comprising:

• at least one processor;
• and
• a memory coupled to the at least one processor and having instructions stored thereon, wherein the instructions, when executed by the at least one processor, cause the first wireless port connection device to perform actions comprising:
• sending a first public key of the first wireless port connection device to an authentication server;
• receiving a signed first certificate from the authentication server, the first certificate comprising a server public key of the authentication server;
• receiving a signed second certificate from the second wireless port connection device;
• acquiring a second public key of the second wireless port connection device in the second certificate using the server public key;
• generating a symmetric key using the second public key;
• encrypting data using the symmetric key;
• and
• sending the encrypted data to the second wireless port connection device.

A computer program product tangibly stored on a non-transitory computer-readable medium and including machine-executable instructions, wherein the machine-executable instructions, when executed by a machine, cause the machine to perform the following steps:

• sending a first public key of a first wireless port connection device to an authentication server;
• receiving a signed first certificate from the authentication server, the first certificate comprising a server public key of the authentication server;
• receiving a signed second certificate from a second wireless port connection device;
• acquiring a second public key of the second wireless port connection device in the second certificate using the server public key;
• generating a symmetric key using the second public key;
• encrypting data using the symmetric key;
• and
• sending the encrypted data to the second wireless port connection device.