Patent ID: 8839445
Filing Date: 2014-09-16
Classification: H04L

Abstract:
1. A method for securely transferring an item of digital data, from at least a first computer system to at least a second computer system, said method comprising: performing a first transfer of the digital data item originating from the first computer system to a controller of a transfer device; writing the digital data item received by the controller in a data store; reading the digital data item stored in the data store by the controller; and performing a second transfer, managed independently from the first transfer, of the digital data item from the controller to the second computer system; wherein the first transfer comprises: providing, in a first internal transfer stage, managed by at least a first internal transfer interface of the transfer device, the digital data item from the first computer system to a first processor belonging to the transfer device; and providing, in a second internal transfer stage, managed by a second internal transfer interface of the transfer device, independent from said first internal transfer interface, the digital data item from the first processor to the controller; and wherein the second transfer comprises: providing, in a third internal transfer stage, managed by a third internal transfer interface of the transfer device, the digital data item coming from the controller to a second processor belonging to the transfer device, the second processor being distinct from the first processor; and providing, in a final transfer stage, managed by at least a fourth internal transfer interface of the transfer device and independent of said third internal transfer interface, of the digital data item from said second processor to the second computer system.