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AssigneeReuters Limited
InventorsNicholas Fulton, James Matthew Butler, Mark Anthony Curtis, David parrott, Miles Jonathan Whitehead, Hui Wu
Estimating the term…
There is provided a method of, computer programs for and apparatus for providing and accessing digital content such as a news item. A news provider generates a news item, creates a digitally signed version of the news item and packages them together with a digital certificate issued by a certificate authority containing the public key required to decrypt the digitally signed version. The package is posted to a server and is transmitted, or made available or transmission, over a public data network together with a computer program for verifying the news item. A receiving party receives, over the public data network, the package at a client device and is provided with means for launching, and if necessary first downloading, the verifying program. The verifying program uses the public key contained in the certificate to verify the digitally signed news item. Before being first used to verify a news item, the verifying program receives a shared secret from the receiving party which is stored locally to the client device and is used by the verifying program to confirm that it performed the verification process.
A method of verifying an item of digital content (412, 416), the method comprising the steps of:
A computer program (420) for verifying an item of digital content (412, 416), the computer program (420) being arranged to:
A method of providing a user with a verifiable item of digital content (412, 416), the method comprising the following steps:
One or more data packages comprising:
A data package comprising content and means for commencing execution of a computer program for verifying the content, said means being operable by a user of a client device receiving the data package.
A method of providing a news item over a public data network comprising the following steps:
A method according to claim 40, wherein the news item is received over the public data network by the client device together with means for commencing execution of the verifying program.
A method of accessing a news item over a public data network comprising the following steps:
A method of providing content over a public data network comprising the following steps:
Dependencies are inferred from the claim text.