MESSAGE
DATE | 2006-06-02 |
FROM | Ruben Safir
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SUBJECT | Subject: [NYLXS - HANGOUT] DRM Laptops
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http://neasia.nikkeibp.com/neasia/004281
IBM to Hard-Wire Encryption onto Chips for CE Products
IBM Corp's new security architecture, codenamed SecureBlue, aims to add a level of defense to computer chips and the electronics products into which they are incorporated by hard-wiring cryptography directly onto the microprocessor at the design phase. The architecture is designed to be used in notebooks and other consumer electronics products, medical devices, defense systems and digital media systems.
SecureBlue is essentially circuitry overlaid or built into a microprocessor chip to protect the chip itself as well as an entire device built around the chip. IBM claims that because the encryption is in hardware, it serves to prevent reverse-engineering or other tampering. Other approaches currently on the market provide security in software or on a separate microchip. IBM claims the on-chip approach can improve security over an entire network of computers and mobile devices.
Corporate Concerns "To have a truly secure system, security must be addressed end-to-end, from the data center to the end user," said Charles Palmer, manager of security and privacy at IBM Research. He added that security exposures are an issue wherever data is stored. But increasingly, he said, information is moving from a company's data center to less-secure PCs, cell phones and PDAs. Those devices can be more easily stolen from inside corporations or from employees on the road, and they are open to attack when they use vulnerable wireless networks.
IBM has said is that the SecureBlue architecture, which it will implement in its own microprocessors as well as those of its technology partners such as semiconductor makers, could provide inexpensive security to notebook computers, PDAs and other consumer devices. That level of security, the company said, originally was designed for expensive mainframe computers.
Interwoven into Design Secure Blue was developed by IBM Research (see Fig). The circuitry cannot be retrofitted onto existing microprocessors. Instead, it can be interwoven into the circuit design of new processors not only from IBM but from any other company, according to IBM. The company already has implemented SecureBlue on some of its own Power PC processors. It also will license the technology.
SecureBlue uses a common encryption known as the advanced encryption standard (AES). Data is encrypted and decrypted as it runs through the processor, on the fly. It is kept encrypted in the random-access memory of a device. One of the few places where the data is not encrypted is when it is displayed to the user. IBM did have to add some circuits, but claims it has a minimal impact on the system performance or price.
IBM's approach differs from that of Intel Corp's LaGrande, for example, which requires a separate chip with encryption to protect against software attacks. LaGrande allows for connection of a chip called the trusted platform module (TPM) via a bus.
SecureBlue is claimed to be stronger than TPM because the encryption functions are integrated into the central processor's functions. IBM, however, has said it has not yet had discussions with Intel or AMD about including SecureBlue in their processors.
SecureBlue architecture can detect a physical attack on a device, including the actual removal of a chip. The on-chip circuits contain sensors that can shut down a stolen system or one that someone is attempting to hack by automatically erasing encryption keys once an attack is detected, turning any data on a person's BlackBerry or notebook into "garbage". IBM has not yet named semiconductor or application partners, but has said the architecture could be used to protect electronic passports and other items such as electronic organizers and cell phones at the microchip level.
by Lori Valigra
(June 2006 Issue, Nikkei Electronics Asia)
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