Patent ID: 8019084

Claim:
Apparatus comprising: a card activated cash dispensing automated banking machine, wherein the automated banking machine includes at least one card reader device operative to read a card provided by a user of the machine, wherein the automated banking machine includes a cash dispenser, wherein the automated banking machine includes an encrypting pin pad (EPP), wherein the EPP includes at least one processor and a first private asymmetric key stored in the EPP, wherein the automated banking machine is operative to send at least one first message to a host banking system, wherein the at least one first message includes first data representative of a request to transfer a terminal master key to the automated banking machine, wherein the automated banking machine is operative to receive at least one second message from the host banking system, wherein the at least one second message includes an encrypted terminal master key, wherein the at least one processor of the EPP is operative to validate at least portions of the second message, wherein the at least one processor of the EPP is operative to decrypt the terminal master key with the first private asymmetric key using an asymmetric encryption algorithm, wherein the at least one processor of the EPP is operative to store the terminal master key in the EPP for use with decrypting at least one further key received from the host banking system.