Patent ID: 9076015
Filing Date: 2015-07-07
Classification: G06F

Abstract:
1. A method for making accessible to different users having respective access rights within a data-processing environment, a resource containing a plurality of objects which can be modified by the users to obtain different versions of said objects, comprising the following steps: for at least certain ones of said different versions of said objects, assigning to different versions of said objects different ciphering/deciphering keys according to the access rights, providing versions of said objects ciphered with the different keys, including in said resource, the different versions of said objects ciphered with the different ciphering keys, propagating said resource from user to user in a communications chain, when the resource is accessed by a user in said communications chain, carrying out the deciphering of ciphered object versions included in the resource by means of respective deciphering keys associated to the access rights of said user, wherein object versions of said resource, for third party users having different access rights, are propagated in the same chain without being accessible by intermediate users in said communications chain.