US 2021/0240847 A1 · SYSTEM AND METHOD FOR PROTECTING CONTENT

Abstract

A method for protecting content, comprising receiving, from a client device, a request for an encryption key for encrypting the content comprising a reference associated with the client device, identifying a set of supported security capabilities corresponding to the reference associated with the client device, identifying a set of required security capabilities corresponding to the content associated with the key request, determining if the set of supported security capabilities satisfy the set of required security capabilities, and in response to determining that the supported security capabilities satisfy the set of required security capabilities, transmitting the encryption key to the client device.

Claims20

Dependent claims

A method for protecting content, comprising:

receiving, from a client device, a request for an encryption key for encrypting the content comprising a reference associated with the client device;
identifying a set of supported security capabilities corresponding to the reference associated with the client device;
identifying a set of required security capabilities corresponding to the content associated with the key request;
determining if the set of supported security capabilities satisfy the set of required security capabilities;
and
in response to determining that the supported security capabilities satisfy the set of required security capabilities, transmitting the encryption key to the client device.

3 more elements

A digital rights management system comprising:

a receiving device for receiving an encryption key request from a client device;
a transmitting device for transmitting the encryption key to the client device;
a first database for storing a set of supported security capabilities corresponding to client device;
a second database for storing a set of required security capabilities corresponding to at least one of the encryption key and content associated with the encryption key;
and
a processing device configured to:
identify, in the first database, the set of supported security capabilities corresponding to the client device;
identify, in the second database, the set of required security capabilities corresponding to the content associated with the encryption key;
determine if the set of supported security capabilities satisfy the set of required security capabilities;
and
in response to determining that the supported security capabilities satisfy the set of required security capabilities, transmit the encryption key to the client device via the transmitting device.

8 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/235,753Filed 20 Apr 2021

Priority

31 Aug 2017

Published

5 Aug 2021

Term ends

Not estimatedThe source records don’t support an estimate.

Classification15 codes

G06F 21/6218
Protecting access to data via a platform, e.g. using keys or access control rules: to a system of files or objects, e.g. local or distributed file…
G06F 21/10
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity: protecting distributed…
G06F 21/105
Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]: arrangements for…
G06F 21/602
Protecting data: providing cryptographic facilities or services

Family

Application62/552,908Us provisional application · filed 31 Aug 2017

Application16/119,335Continuation · filed 31 Aug 2018

Application17/235,753Continuation

US 10,984,121 B2Related patent

US 11,914,734 B2Related patent

US 2019/0065771 A1Published application

US 2021/0240847 A1This patent

From the US filing history. Foreign family members aren’t listed.

System and method for protecting content

Life of this patent

System and method for protecting content

Life of this patent

Abstract

Claims20