| CPC H04L 9/0825 (2013.01) | 19 Claims |
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1. A method, comprising:
identifying, by a protocol management computer, presence of a reader device utilizing a near field communications channel;
obtaining, by the protocol management computer from a remote server computer, a first initialization key associated with the reader device, wherein a second initialization key corresponding to the first initialization key was previously stored at the reader device during a manufacturing process of the reader device, the first initialization key and the second initialization key being separate instances of a symmetric key;
transmitting, by the protocol management computer to the reader device, a first encrypted message and a first initialization vector, the first encrypted message being encrypted using the symmetric key and the first initialization vector;
receiving, by the protocol management computer via the near field communications channel from the reader device, a second encrypted message comprising a first public key associated with the reader device, the second encrypted message being encrypted using a second initialization vector that is generated by the reader device using the first initialization vector; and
transmitting, by the protocol management computer via the near field communications channel to the reader device, a third encrypted message comprising a second public key associated with the protocol management computer, wherein the third encrypted message is encrypted utilizing a third initialization vector that is generated by the protocol management computer using the second initialization vector that was previously generated using the first initialization vector.
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