Abstract: Methods and systems related to near field communication (NFC) front ends for point of sale terminals are disclosed. One point of sale system includes an applications microprocessor programmed to: (i) instantiate an operating system for the point of sale system and (ii) generate a set of data packets. The system also includes a discrete microcontroller communicatively coupled with the applications microprocessor and programmed to: (i) selectively operate in an unsecure mode and a secure mode; and (ii) filter, when operating in the unsecure mode, the set of data packets received from the applications microprocessor using a filter and a whitelist for the filter. The system also includes a near field communication front end communicatively coupled to the discrete microcontroller and an antenna, for transmitting a near field communication signal based on information from the set of data packets via the antenna.

Abstract: This disclosure relates to systems with multiple NFC front ends and at least one shared controller. One disclosed system includes a first discrete device having a first near field communication (NFC) controller, a second discrete device having a second NFC controller, a communicative connection between the first discrete device and the second discrete device, and a system controller located on the first discrete device. The system controller is communicatively connected to the first NFC controller. The system controller is connected to the second NFC controller via the communicative connection. In specific approaches, the second discrete device can include a display which is also controlled by the system controller, and the system controller is NCI compliant and application aware. In specific approaches, the system controller can control the second NFC controller based on the content concurrently being provided to the display.

Abstract: Methods and systems related to distributing payment keys to multiple discrete devices in a point of sale (POS) system are disclosed. One method includes storing a payment key on a first discrete device for a POS system and a public key certificate on a second discrete device for the POS system. The method also includes communicatively connecting the first discrete device with the second discrete device using a wire, transmitting the public key certificate from the second discrete device to the first discrete device using the wire, and verifying the public key certificate on the first discrete device. The method also includes finalizing a secure connection between the first discrete device and the second discrete device over the wire using a transport layer secure (TLS) protocol after the public key certificate is verified.

Abstract: A dual mode payment interface device having a touch display and alternatively operating in a first mode and a second mode and an associated dual mode system are disclosed. The first mode provides access to a merchant system interface (MSI) on the touch display and provides access to a customer system interface (CSI) on the touch display. The second mode provides access to a CSI on the touch display and does not provide access to the MSI on the touch display. The system also includes a merchant display device having a second touch display. The merchant display device provides access to the MSI on the second touch display. The system also includes a wire that provides a communicative connection between the dual mode payment interface device and the merchant display device. The second mode is enabled by the communicative connection.

Abstract: This disclosure relates to systems with multiple NFC front ends and at least one shared controller. One disclosed system includes a first discrete device having a first near field communication (NFC) controller, a second discrete device having a second NFC controller, a communicative connection between the first discrete device and the second discrete device, and a system controller located on the first discrete device. The system controller is communicatively connected to the first NFC controller. The system controller is connected to the second NFC controller via the communicative connection. In specific approaches, the second discrete device can include a display which is also controlled by the system controller, and the system controller is NCI compliant and application aware. In specific approaches, the system controller can control the second NFC controller based on the content concurrently being provided to the display.

Abstract: Methods and systems for providing an advanced hardware system for a self-service kiosk are disclosed herein. In specific embodiments of the invention, a payment interface device is provided. The device includes an integrated touch display, a means for receiving payment information, and a casing holding the integrated touch display and the means for receiving payment information. The device also includes an applications microprocessor and a secure microprocessor located within the casing. The applications microprocessor instantiates an operating system and stores instructions for execution by the operating system for operative communication with a peripheral bar code scanner and a peripheral display. The secure microprocessor stores instructions to encrypt payment information for the system and is in operative communication with the means for receiving payment information.

Abstract: Systems and methods for provisioning secure terminals for secure transactions are disclosed herein. A disclosed method includes generating a key using a key generator element on a secure terminal and sending a key validation request for the key from the secure terminal to a provisioning device. The method also includes parsing the key validation request and generating a key validation for the key and a trusted time stamp on the provisioning device. The method also includes sending, from the provisioning device, the key validation and the trusted time stamp to the secure terminal. The method also includes setting a clock on the secure terminal using the trusted time stamp and storing the key validation at the secure terminal.

Abstract: This disclosure relates to systems with multiple NFC front ends and at least one shared controller. One disclosed system includes a first discrete device having a first near field communication (NFC) controller, a second discrete device having a second NFC controller, a communicative connection between the first discrete device and the second discrete device, and a system controller located on the first discrete device. The system controller is communicatively connected to the first NFC controller. The system controller is connected to the second NFC controller via the communicative connection. In specific approaches, the second discrete device can include a display which is also controlled by the system controller, and the system controller is NCI compliant and application aware. In specific approaches, the system controller can control the second NFC controller based on the content concurrently being provided to the display.

Abstract: Methods and systems are disclosed that provide enhanced flexibility to merchants in the configuration of POS systems. One disclosed system includes a payment interface device having a first display, a means for receiving payment information, and a first payment flow display service (PFDS). The system also includes a display device having a second display and a second PFDS. The system also includes a secure wireless connection formed by a first short-range wireless protocol (SRWP) module on the payment interface device and a second SRWP module on the display device. The first and second PFDSs conduct an exchange of messages over the secure wireless connection to execute a payment flow.

Abstract: A device includes a display and one or more processors that cause a speaker associated with the device to serially recite a plurality of auditory cues. Each of the plurality of auditory cues corresponds to one of a set of characters, and each recitation of the plurality of auditory cues occurs at a predetermined time period. The one or more processors also receive a touch input on the display from a user during the recitation of the plurality of auditory cues, determine a character from the set of characters that corresponds to the touch input based on the predetermined time period, and store the character as a value in a sequence of user-specific information.

Abstract: Systems, and associated methods, involving both a trusted and an untrusted device where sensitive data or keys are shared between those devices are disclosed. A disclosed method includes storing a key in a secure memory on a first device, receiving sensitive data via a user interface on a second device, generating a set of white box encryption instructions based on the key using a white box encryption generator on the first device, generating a complete data representation of the set of white box encryption instructions using a secure processor on the first device, transmitting the complete data representation from the first device to the second device, and encrypting the sensitive data using the complete data representation on the second device. The complete data representation is not Turing complete and is not executable with respect to the second device.

Abstract: Methods and systems related to distributing payment keys to multiple discrete devices in a point of sale (POS) system are disclosed. One method includes storing a payment key on a first discrete device for a POS system and a public key certificate on a second discrete device for the POS system. The method also includes communicatively connecting the first discrete device with the second discrete device using a wire, transmitting the public key certificate from the second discrete device to the first discrete device using the wire, and verifying the public key certificate on the first discrete device. The method also includes finalizing a secure connection between the first discrete device and the second discrete device over the wire using a transport layer secure (TLS) protocol after the public key certificate is verified.

Abstract: Systems and methods are provided for adjusting point of sale (POS) interfaces. In some embodiments, a POS device includes a display. The display is configured to present a user interface, the user interface having a first interface and a second interface. The first interface has a first set of functionalities that is prevented from being accessible in the second interface.

Abstract: Methods and systems related to distributing payment keys to multiple discrete devices in a point of sale (POS) system are disclosed. One method includes storing a payment key on a first discrete device for a POS system and a public key certificate on a second discrete device for the POS system. The method also includes communicatively connecting the first discrete device with the second discrete device using a wire, transmitting the public key certificate from the second discrete device to the first discrete device using the wire, and verifying the public key certificate on the first discrete device. The method also includes finalizing a secure connection between the first discrete device and the second discrete device over the wire using a transport layer secure (TLS) protocol after the public key certificate is verified.

Abstract: This disclosure relates to systems with multiple NFC front ends and at least one shared controller. One disclosed system includes a first discrete device having a first near field communication (NFC) controller, a second discrete device having a second NFC controller, a communicative connection between the first discrete device and the second discrete device, and a system controller located on the first discrete device. The system controller is communicatively connected to the first NFC controller. The system controller is connected to the second NFC controller via the communicative connection. In specific approaches, the second discrete device can include a display which is also controlled by the system controller, and the system controller is NCI compliant and application aware. In specific approaches, the system controller can control the second NFC controller based on the content concurrently being provided to the display.

Abstract: Methods and systems related to near field communication (NFC) front ends for point of sale terminals are disclosed. One point of sale system includes an applications microprocessor programmed to: (i) instantiate an operating system for the point of sale system and (ii) generate a set of data packets. The system also includes a discrete microcontroller communicatively coupled with the applications microprocessor and programmed to: (i) selectively operate in an unsecure mode and a secure mode; and (ii) filter, when operating in the unsecure mode, the set of data packets received from the applications microprocessor using a filter and a whitelist for the filter. The system also includes a near field communication front end communicatively coupled to the discrete microcontroller and an antenna, for transmitting a near field communication signal based on information from the set of data packets via the antenna.

Abstract: Methods and systems for processing secure information are disclosed. One method includes receiving secure data from a user via an input device. The method also includes routing the secure data to a secure processor using a hardware multiplexer. The method also includes processing the secure data using the secure processor. The method also includes receiving non-secure data from the user via the input device. The method also includes routing the non-secure data to a second processor using the hardware multiplexer. The method also includes processing the non-secure data using the second processor. The method also includes altering a routing state of the hardware multiplexer using the secure processor. The routing state of the hardware multiplexer is only controlled by the secure processor.

Abstract: This disclosure relates to systems with multiple NFC front ends and at least one shared controller. One disclosed system includes a first discrete device having a first near field communication (NFC) controller, a second discrete device having a second NFC controller, a communicative connection between the first discrete device and the second discrete device, and a system controller located on the first discrete device. The system controller is communicatively connected to the first NFC controller. The system controller is connected to the second NFC controller via the communicative connection. In specific approaches, the second discrete device can include a display which is also controlled by the system controller, and the system controller is NCI compliant and application aware. In specific approaches, the system controller can control the second NFC controller based on the content concurrently being provided to the display.

Abstract: Methods and systems related to near field communication (NFC) front ends for point of sale terminals are disclosed. One point of sale system includes an applications microprocessor programmed to: (i) instantiate an operating system for the point of sale system and (ii) generate a set of data packets. The system also includes a discrete microcontroller communicatively coupled with the applications microprocessor and programmed to: (i) selectively operate in an unsecure mode and a secure mode; and (ii) filter, when operating in the unsecure mode, the set of data packets received from the applications microprocessor using a filter and a whitelist for the filter. The system also includes a near field communication front end communicatively coupled to the discrete microcontroller and an antenna, for transmitting a near field communication signal based on information from the set of data packets via the antenna.

Abstract: Methods and systems are disclosed that provide enhanced flexibility to merchants in the configuration of POS systems. One disclosed system includes a payment interface device having a first display, a means for receiving payment information, and a first payment flow display service (PFDS). The system also includes a display device having a second display and a second PFDS. The system also includes a secure wireless connection formed by a first short-range wireless protocol (SRWP) module on the payment interface device and a second SRWP module on the display device. The first and second PFDSs conduct an exchange of messages over the secure wireless connection to execute a payment flow.