This helps in guessing the passcode.
Experts say that all are much easier said than done.
This would let security workers to improve their methods before actually starting work on Farooks phone.
DELAYERING
The most physically challenging method is the chip attack.
The first step is to find the key where it is stored.
Or the FBI may get in touch with other national security agencies that possibly have this expertise.
Another option would be to check for patent infringement by talking with companies that expertise in reverse-engineering chips.
The gadget that carries out the process is called a lapping machine.
The transistors would then be read with a scanning electron microscope once in sight.
This form of data extraction has been done by Skorobogatov himself.
Some time ago we helped one of E.U.
government agencies develop a way for accessing on-chip data.
They needed that for a car theft investigation but the car manufacturer refused to cooperate, he said.
FBI DOCUMENTS
It is not known if the FBI has tried any of these alternate techniques.
It happens all the time when blood or DNA samples are destroyed during testing.
source: www.techworm.net
