| 摘要 |
<P>PROBLEM TO BE SOLVED: To limit content resolution process so that only a specially designated entity can participate. <P>SOLUTION: The method relates to providing automatically verifiable trust in a content resolution process in which a PDR resolves a content reference identifier (CRID) identifying a content item using a resolution authority record (RAR) to obtain a locator identifying a location where the PDR can obtain the content item. Preferably, the measure comprises computing a digital signature over at least part of the contents of the CRID, the locator and/or the RAR. The method may also comprise encrypting at least a data portion of the CRID, RAR or locator. Digital rights needed to access the content item can be provided with the content reference identifier, the resolution authority record or the locator. <P>COPYRIGHT: (C)2009,JPO&INPIT |
