Abstract: Systems and methods for preserving digital evidence using a self-protecting storage device are provided, by copying digital evidence from a source drive to a self-protecting storage device, writing and storing metadata relating to the copying such as date, time, and those present, and engaging the self-protecting features of the storage device such that the copied digital evidence cannot be altered.

Abstract: A system method and apparatus for selectively recording on a VCR cassette, those news items of interest to a particular subscriber includes selecting video news items in accordance with previously entered user selected key word criteria. An advance data stream representing the text of each upcoming broadcast news item is provided in advance of the video broadcast of that news item. The advance data stream is searched for a match with any of the key word criteria previously entered by the subscriber. If a match between the stored user selected key word criteria and the advance data stream is found, the subscriber's VCR is enabled at the appropriate later time to record the desired news item. The VCR cassette contains those news items of interest to the particular subscriber, which the subscriber may watch at, any convenient later time.

Abstract: The present invention is directed toward efficient digital certificate processing. In one aspect a system for efficient digital certificate processing comprises a computer and a secure certificate cache coupled to a computer. The secure certificate cache stores pre-verified digital certificates. In a second aspect, a method for efficient digital certificate processing in a data processing system comprises providing a secure certificate cache and receiving a digital certificate. The method further includes determining if the digital certificate is within the secure certificate cache. The method finally includes verifying the validity of the digital certificate if the digital certificate is within the secure certificate cache.