Patent ID: 7869602
Filing Date: 2011-01-11
Classification: G06F,H04L,H04W

Abstract:
1. A content management method comprising: receiving into a first mobile station from a mobile telecommunications service provider, during over-the-air provisioning of the first mobile station, an encryption key associated with a user account under which the first mobile station is to be served by the mobile telecommunications service provider; storing the encryption key in the first mobile station; thereafter sending from the first mobile station to the mobile telecommunications service provider a request for content, and receiving into the first mobile station from the mobile telecommunications service provider the requested content, wherein the received content is encrypted by the mobile telecommunications service provider with the content encryption key in response to the request for the content; applying the encryption key in the first mobile station to decrypt only a portion of the received encrypted content so as to produce decrypted content, and using the decrypted content in the first mobile station; deleting the decrypted content from the first mobile station after use of the decrypted content in the first mobile station; and retaining the encrypted content in the first mobile station after deleting the decrypted content in the first mobile station.