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The FIPS 140-3 Standard
FIPS requirements lay out best practices for encryption, giving organizations a road map for compliance with various regulations. The upcoming 140-3 standard adds welcome detail. We run down the highlights.
July 28, 2007
2 Min Read
Just because a vendor incorporates encryption into its products doesn't mean it's doing so securely. Fortunately, an upcoming federal standard introduces tighter key management and updates testing for software modules and physical protection, offering guidance for government agencies handling sensitive data and also providing a useful benchmark for the private sector.
THE LOWDOWN |
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THE PROMISEThe FIPS 140-3 encryption requirement, revealed July 13 in draft form, provides an important refresher for the long-established FIPS 140-2 standards for encryption modules. While FIPS is a requirement for sensitive but unclassified data at federal agencies, it's also a valuable metric for the private sector.THE PLAYERSNIST is responsible for publishing FIPS 140 through its Cryptographic Module Validation Program established jointly with the Canadian Communications Security Establishment, though public feedback does play a role in guiding the documents. The latest version of the Security Requirements for Cryptographic Modules, FIPS 140-3, is likely to be published by year's end.THE PROSPECTSFIPS 140-2 is a solid set of baselines for proper cryptography usage, and FIPS 140-3 is poised to bring some important changes to keep that foundation current with modern cryptographic attacks. If your company hasn't already done so, it's time to evaluate your encryption requirements and consider how FIPS 140 certification can align with those needs. |
Security standards run the gamut from generalized frameworks to fairly precise, quantifiable measures. The current Federal Information Processing Standard 140-2, and the upcoming FIPS 140-3, fall into the precise group, specifying technical requirements for certifying cryptographic software and hardware modules. All four levels of compliance under FIPS 140-2 must use approved algorithms and modes for those algorithms, meet requirements for key management and certain power-up tests, and include appropriate documentation. Modules for certification are evaluated by one of 14 laboratories in the United States, Canada, the United Kingdom, and Germany.
The FIPS 140-3 revision is in a public draft phase that will end on Oct. 11. Changes in FIPS 140-3 include a new Level 5 top tier, clarified key management, relaxed power-up test requirements to support embedded devices, a new section devoted to software modules, and a new physical protection section, says Randall Easter, director of the Cryptographic Module Validation Program at the National Institute of Standards and Technology.
The physical protection section is noteworthy because it highlights how quickly security can change. In the six years since FIPS 140-2 was published, new attacks against physical encryption modules have been devised and refined. These attacks range from analyzing the level of power drawn to help in the guessing of keys to even more advanced approaches using lasers to induce and disrupt electrical currents.
Jordan Wiens is a network security engineer at the University of Florida and a contributing technology editor for InformationWeek. Write to him at [email protected].
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