Patent ID: 8089861

Claim:
In a device, a method comprising: generating, for a received data unit, a notification including address elements; generating, by an input/output (I/O) unit, of the device, a first signature based on a first portion of the notification; writing, based on one or more of the address elements, at least one portion of the received data unit and the first signature to a memory; generating, by the I/O unit, a second signature based on a second portion, of the notification, including the address elements; reading the at least one portion of the received data unit and the first signature from the memory, based on a third portion of the notification; comparing, by the I/O unit, the first signature and the second signature; and verifying, by the I/O unit and based on a result of comparing the first signature and the second signature, a validity of the at least one portion of the received data unit read from the memory.