×

Secure Application Processing Systems and Methods

  • US 20150215293A1
  • Filed: 01/29/2015
  • Published: 07/30/2015
  • Est. Priority Date: 01/29/2014
  • Status: Active Grant
First Claim
Patent Images

1. A method performed by a first application running on a first computing system, the method comprising:

  • establishing a secure channel with a second computing system, the secure channel being secured by one or more cryptographic session keys;

    obtaining a license from the second computing system via the secure channel, the license being encrypted using at least in part one of the one or more cryptographic session keys, the license comprising a content decryption key, the content decryption key being further encrypted using at least one of the one or more cryptographic session keys or one or more keys derived therefrom;

    invoking a second application to decrypt the license using at least one of the one or more cryptographic session keys;

    invoking the second application to decrypt the content decryption key using at least one of the one or more cryptographic session keys or one or more keys derived therefrom, and to decrypt a piece of content using the content decryption key; and

    providing access to the piece of content.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×