Abstract: A true random number generator (TRNG) uses an analog circuit with a ring oscillator configured to collapse from an unstable oscillation state to a stable oscillation state at a random collapse time and counter counting a counter value representing the random collapse time. Various techniques are used to harden the TRNG including a truncator generating a true random number based on a truncation of the reference count value and a dedicated voltage regulator supplying power to the analog core including the ring oscillator. Techniques also include various solutions for drawing a constant current such as using a Gray code counter and adding noise current during and/or after the collapse event with a dummy inverter chain. Bit churning, bit obfuscation entropy enhancers and various post processing techniques may be employed to further harden the TRNG. An attack detection module may raise alerts when the TRNG is being attacked.

Abstract: Various enhanced interactive TV experiences are supported by a real-time TV service that can interact over a network with applications running on interactive TV platforms. The real-time television service enables data, video, and communication user interface (UI) elements to be supported alongside the linear TV content in three discrete navigational states, each with a specific role aligning to user intent. In the case of one particular UI element—a focused companion panel—a live stream of personalized data is supported that enhances the user's comprehension and awareness of live events. The real-time TV service can further enable users to opt in to certain customizable events and be served notifications on the TV screen on which their attention is directed, and follow the notification into an application that lands them on a specific piece of content that satisfies specific conditions.

Abstract: A true random number generator (TRNG) uses an analog circuit with a ring oscillator configured to collapse from an unstable oscillation state to a stable oscillation state at a random collapse time and counter counting a counter value representing the random collapse time. Various techniques are used to harden the TRNG including a truncator generating a true random number based on a truncation of the reference count value and a dedicated voltage regulator supplying power to the analog core including the ring oscillator. Techniques also include various solutions for drawing a constant current such as using a Gray code counter and adding noise current during and/or after the collapse event with a dummy inverter chain. Bit churning, bit obfuscation entropy enhancers and various post processing techniques may be employed to further harden the TRNG. An attack detection module may raise alerts when the TRNG is being attacked.

Abstract: Provided are systems, methods, and apparatus for protecting an integrated circuit against invasive attacks and various forms of tampering. A defensive mechanism is an active physical security shield that includes an array of traces at a high metal of the integrated circuit, covering a high percentage of the surface area of that layer, and a collection of digital logic components that drive signals across the traces. The driving of the signals across the traces is done in an active manner such that a short, open, or stuck-at fault on any of the traces is detected within a very short period of time. The active security system is connected to or in communication with an alert response mechanism, such that a fault detected by the security system results in a signal being sent to the alert response mechanism.

Abstract: Provided are systems, methods, and apparatus for protecting an integrated circuit against invasive attacks and various forms of tampering. A defensive mechanism is an active physical security shield that includes an array of traces at a high metal of the integrated circuit, covering a high percentage of the surface area of that layer, and a collection of digital logic components that drive signals across the traces. The driving of the signals across the traces is done in an active manner such that a short, open, or stuck-at fault on any of the traces is detected within a very short period of time. The active security system is connected to or in communication with an alert response mechanism, such that a fault detected by the security system results in a signal being sent to the alert response mechanism.

Abstract: Various enhanced interactive TV experiences are supported by a real-time TV service that can interact over a network with applications running on interactive TV platforms. The real-time television service enables data, video, and communication user interface (UI) elements to be supported alongside the linear TV content in three discrete navigational states, each with a specific role aligning to user intent. In the case of one particular UI element—a focused companion panel—a live stream of personalized data is supported that enhances the user's comprehension and awareness of live events. The real-time TV service can further enable users to opt in to certain customizable events and be served notifications on the TV screen on which their attention is directed, and follow the notification into an application that lands them on a specific piece of content that satisfies specific conditions.