*** For immediate use August 21, 2012
Tokyo, August 21, 2012 - NEC Corporation (NEC; TSE: 6701) has developed high-speed, light-weight encryption technology to provide secure communications for information exchanged via sensor devices.
A large volume of information is now transmitted via sensor devices, such as surveillance cameras and GPS terminals, and some of this "big data" faces issues with privacy. To ensure the protection of privacy, communications data need to be encrypted between the sensor device and the server, and between sensor devices.
For secure communication involving big data, communications data encryption for sensor devices is carried out via small devices equipped with dedicated encryption circuits (hardware), or in software processing by microcomputers. Communications data encryption for servers is also performed in software processing. Communications via sensor devices must support all of these implementation environments and provide light-weight, high-speed and secure encryption algorithms.
Since AES (*1), which is currently used as a standard encryption algorithm, has a large circuit size, it is difficult to incorporate a dedicated encryption device into small sensor equipment. The current light-weight encryption algorithm (*2) that enables encryption in small circuits also poses challenges in lower processing speeds in software.
NEC's newly developed encryption algorithm enables high-speed processing in all environments, including small, dedicated encryption devices, and software processing on microcomputer servers. Its light weight places it in the world's smallest class for hardware circuits and calculation resources that include memory usage in microcontrollers.
Key features of this newly developed technology are as follows:
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