TECHNIQUE FOR DISTRIBUTING A PIECE OF CONTENT IN A CONTENT DISTRIBUTION NETWORK

摘要

A method for distributing a piece of content in a content distribution network, provided by a source entity of which the integrity is ensured by means of a private key, said method comprising the following steps implemented by a content distribution entity:—receiving a request to access said piece of content from a user device;—sending, to a proxy entity, a request to have at least one piece of data signed by means of the private key;—receiving said at least one piece of signed data, said at least one piece of signed data certifying the integrity of said distribution entity for the user device;—sending a public key associated with the private key to the user device;—sending said at least one piece of signed data to the user device and distributing the content to the user device.

主权项

1. A method for distributing, in a content distribution network comprising a first and a second content distribution subnetworks, a content that is provided by a source entity whose integrity is guaranteed by means of a private key confined in the first content distribution subnetwork, said method comprising the following steps implemented by an entity for distributing a content (20) belonging to the second content distribution subnetwork:
reception (E1) of an access request for said content from a client entity, sending (E3), to a proxy entity (30) belonging to the first content distribution subnetwork, of a request for signature of at least one datum by means of the private key; reception (E4) of said at least one signed datum, said at least one signed datum certifying the integrity of said distribution entity (20) for the client entity; sending (E5) of a public encryption key associated with the private key to the client entity; sending (E6) of said at least one signed datum to the client entity and distribution (E11) of the content to the client entity.