Crypto ignition key nsn

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If the key is lost, the user is still safe unless the finder or thief can match it with the user's machine. In case of loss, the user gets a new CIK, effectively changing the lock in the cipher machine, and gets back in business. The ignition key sequence can be provided in several ways. In the first crypto-equipment to use the idea the KY , the CIK is loaded with its sequence at NSA and supplied to each user like any other item of keying material.

The CIK device is simply an empty register which can be supplied with its unique sequence from the randomizer function of the parent machine itself. Not only that, each time the device is removed and re-inserted, it gets a brand new sequence. The effect of this procedure is to provide high protection against the covert compromise of the CIK wherein a thief acquires the device, copies it, and replaces it unknown to its owner.

The next morning say , when the user inserts the device, it will receive a new sequence and the old copied one will be useless thereafter. If the thief has gotten to his machine during the night, he may be able to act into the net; but when the user attempts to start up in the morning the thief's device will no longer work, thus flagging the fact that penetration has occurred. CIKs are rugged portable memory devices that serve as a primary way to restrict access to and de-classify equipment, such as inline network encryptors data-in-transit and encrypted hard drives data-at-rest.

Throughout the years, Datakey Electronics has continuously demonstrated the ability to successfully design and manufacture portable memory systems for CIK applications that work reliably under harsh environmental conditions in tactical settings. Download the free, page white paper , titled: Cryptographic Ignition Keys: Implementation Methodology and Guidance. It also presents implementation and design considerations. Here is a preview from the opening section of the white paper: As the security design of electronic equipment advances so must the tools of the security designer.

The design evolution of the devices we use to protect our valuable information is progressing beyond the use of robust cryptographic algorithms and includes requirements that are covered under the more comprehensive term of "Information Assurance" or IA. Designers can no longer afford to add cryptography to a device as if they were adding icing to a cake.