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Patent Searching and Data


Title:
複数の暗号学的デジタル署名を使用したコンテンツアクセスおよびコンテンツ配信の認可の分離
Document Type and Number:
Japanese Patent JP7210769
Kind Code:
B2
Abstract:
A first request for content from a client device is received. The first request includes a resource locator provided by an authorizing data service to authorize the client device to obtain the requested content. The resource locator includes a first digital signature associated with authorization of the client device to access the requested content, and a second digital signature associated with authorization of delivery of the requested content for access by the client device. An occurrence of an event is identified that indicates a change in the delivery of the requested content to the client device. A third digital signature associated with a changed delivery of the requested content is generated. A new resource locator is provided to the client device that includes the first digital signature and the third digital signature.

Inventors:
Colin Whitaker
Application Number:
JP2021557281A
Publication Date:
January 23, 2023
Filing Date:
March 26, 2019
Export Citation:
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Assignee:
Google LLC
International Classes:
H04N21/835; H04L9/32; H04L67/02; H04L67/563; H04N21/239
Domestic Patent References:
JP2005027009A
JP2003122724A
JP2004280401A
JP2007081461A
Foreign References:
US20140359064
Attorney, Agent or Firm:
Murayama Yasuhiko
Shinya Mihiro
Tatsuhiko Abe