US 2016/0112380 A1 · TECHNIQUE FOR DISTRIBUTING A PIECE OF CONTENT IN A CONTENT DISTRIBUTION NETWORK

Abstract

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.

Claims15

Dependent claims

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.

2 more elements

An entity for distributing a content (20), in a content distribution network comprising a first and a second content distribution subnetworks, said content being provided by a source entity whose integrity is guaranteed by means of a private key, said distribution entity (20) belonging to the second content distribution subnetwork and comprising:

a first sending/receiving module (200), designed to receive an access request for a content from a client entity, and to send said client entity a public encryption key, and at least one signed datum in order to distribute the content to said client entity;
a second sending/receiving module (202), designed to send a proxy entity (30) belonging to the first content distribution subnetwork a request for signature of said at least one datum by means of a private key confined in the first content distribution subnetwork, and to receive said at least one signed datum in response to said request, said at least one signed datum certifying the integrity of said entity for distributing a content (20) for the client entity.

Dependencies are inferred from the claim text.

Technique for distributing a piece of content in a content distribution network

Life of this patent

Technique for distributing a piece of content in a content distribution network

Life of this patent

Abstract

Claims15