The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2020
Filed:
Oct. 23, 2015
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Zhongwen Zhu, Saint-Laurent, CA;
Makan Pourzandi, Montreal, CA;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
The invention is directed to secure content delivery. A device () sends () a content request to a CP () identifying targeted content and a public key (K PUB) of the device. A response () identifies a Content Delivery Network (--), CDN, and includes an authorization token (TOKEN A) and a content key (K-NEW) derived from the public key of the communication device and a private key of the CP. The authorization token is sent () to the CDN and a delivery token (TOKEN B) and delivery node address are received (). The delivery token and content key are sent () to the delivery node and encrypted content is received (), the encrypted content comprises content as initially encrypted by the CP and as further encrypted by the CDN using the content key. The encrypted content is decrypted () using a private key of the device ().