Patent ID: 8738531
Filing Date: 2014-05-27
Classification: G06F,G06Q,H04L

Abstract:
1. A computer-implemented method for controlling access to protected objects in a distributed environment, the method comprising: on a local computer having a processor, a data storage and a memory, encrypting an object using a randomly generated object key K receiving, from a user, at the local computer, a public key K receiving, at the local computer, a server key K on the local computer, protecting the object key K generating, on the local computer, for each user who has access to the protected object, a metadata field Data storing the metadata field Data providing, to the local computer, a user key K obtaining the combination key K sending a request, from the local computer to a remote server, to permit to the user to access the protected object; receiving, at the local computer, a server key K calculating, on the local computer, the object key K decrypting, in the memory of the local computer, the protected object using the calculated object key K