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Addressing the physical security of encryption keys

Posted: 18 May 2009 ?? ?Print Version ?Bookmark and Share

Keywords:application note 4185? secure supervisor? encryption key?

Physical security of an encryption key, especially in portable applications such as secure radios, is of prime consideration in military applications. However, it is possible to achieve compliance with applicable regulations, as well as provide additional layers of protection, using specially designed components. These components use electrical and physical design techniques for the secure generation and storage of digital encryption keys.

The DS36xx family of secure supervisors provides a wide range of capabilities, enabling systems that can generate and store encryption keys, monitor for tamper events, and actively and completely destroy the keys when a tamper event is detected. Additionally, by making use of the external inputs provided by the DS36xx devices, the system designer can add more layers of security to an application to meet the requirements set forth in mandates relating to the FIPS, NSA, and WIN-T.

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