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The KSV-21 Enhanced Crypto Card is a US National Security Agency-approved PC card that provides Type 1 encryption functions and key storage to the STE secure telephones and other devices.

The KSV-21 was originally built by SafeNet but has since been purchased by Raytheon[1] as a tamper-resistant reprogrammable module and is backwards compatible with the KOV-14 Fortezza Plus card. It adds features including support for SCIP, Enhanced Firefly and NSA's 21st century Key Management Initiative. It can perform Type 1 encryption and hash operations at 80 Mbit/s. As of 2008, the KOV-14 is beginning to be phased out and replaced by the KSV-21.[2]

The US version is certified to protect classified data through the Top Secret/SCI level as well as unclassified sensitive information. Versions are available for use with other nations, including:

Prices range from $900 for single units to under $400/each in multi-thousand lot quantities as of 2008.[3]


  1. ^ "Raytheon Company: KSV-21 - Enhanced Crypto Card". Archived from the original on 2013-11-19. Retrieved 2018-07-15.
  2. ^ Information Technology Department of the National Nuclear Security Administration. "Solicitation DE-AI52-08NA28817". DoE Industry Interactive Procurement System. Retrieved 2009-12-21.[permanent dead link]
  3. ^ "KSV-21_order_07.pdf" (PDF).[dead link]

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