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William G. O'brien
Publications - 14
Citations - 581
William G. O'brien is an academic researcher. The author has contributed to research in topics: Identifier & Signature (logic). The author has an hindex of 13, co-authored 14 publications receiving 581 citations.
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Patent
Device authentication and secure channel management for peer-to-peer initiated communications
TL;DR: In this paper, a method and system for providing secure access to a device initiating communications using a peer-to-peer signaling protocol, such as a SIP or H.323, is presented.
Patent
Dynamic identifier for use in identification of a device
Tet Hin Yeap,William G. O'brien +1 more
TL;DR: In this paper, the authors propose a method for execution by a device, which comprises: generating a first signature by encrypting an identifier of the device together with first additional data; generating a second signature by encryption the identifiers of the devices together with second additional data that is different from the first extra data.
Patent
System and method for secure access
TL;DR: In this paper, a secure access controller connected to a link between a transceiver (such as a modem) and the computer equipment is presented, where both public and private keys are used by the access controller and a remote user.
Patent
Security access device and method
TL;DR: In this paper, the authors present a security access device that includes a first transmitter for transmitting authentication to a computer and a second transmitter for sending verification information to the computer, while the first transmitter is typically active and consumes power from the access device.
Patent
Validation method and system for use in securing nomadic electronic transactions
TL;DR: In this article, a method involving a communication device, which comprises sending a request to a communication devices, receiving a response from the communication device over a local communication path, deriving a received data set from said response, determining at least one data set that had been previously transmitted to the communication devices over a wireless portion of a second communication path different from the local communication, and validating the response based on the received data sets and the at least previously transmitted data set.