Patent ID: 8452957
Filing Date: 2013-05-28
Classification: G06F,H04L,H04W

Abstract:
1. A method of securely storing a content at a remote node received from a gateway node, the method comprising the steps of: receiving the content, at the gateway node, from a mobile node, said content being associated with metadata; sending, from the gateway node towards an authentication server, a request to generate a content key, the request comprising an identity associated said mobile node and said metadata; receiving the content key, at the gateway node, the content key being generated by the authentication server based on a random value and a secret key shared between the authentication server and the mobile node; encrypting at the gateway node the content by use of the content key; transferring the encrypted content and said metadata from the gateway node towards the remote node; sending, from the gateway node towards the authentication server, a request to regenerate the same content key including said mobile node identity, said request including said metadata; receiving, at the gateway node, the regenerated content key from the authentication server; and decrypting, at the gateway node, the fetched encrypted content by use of the regenerated content key.