Definitions

Cyz

AN/CYZ-10

The AN/CYZ-10 Data Transfer Device, often called a Filler, Crazy 10, ANCD or DTD, is a United States National Security Agency-developed, portable, hand-held fill device, for securely receiving, storing, and transferring data between compatible cryptographic and communications equipment. It is capable of storing 1,000 keys, maintains an automatic internal audit trail of all security-relevant events that can be uploaded to the LMD/KP, encrypts key for storage, and is programmable. The DTD is capable of keying multiple information systems security (INFOSEC) devices and is compatible with such COMSEC equipment as Single Channel Ground and Airborne Radio System (SINCGARS) radios, KY-57 VINSON, KG-84, and others that are keyed by common fill devices (CFDs).

The DTD weighs about 4 lb (1.8 kg) and is designed to be fully compatible with future INFOSEC equipment meeting DS-101 signaling and benign fill standards. It will eventually replace the legacy family of CFDs, including the KYK-13, KYX-15 electronic storage devices, and the KOI-18 paper tape reader. Note that only the DTD and the KOI-18 support newer, 128-bit keys.

As of mid-2005, refurbished units cost $4000 each.

The DTD is slated to be replaced by the AN/PYQ-10 Simple Key Loader (SKL) and the Secure DTD2000 System (or SDS), a similarly sized unit that employs the Windows CE operating system. The SDS is currently (2006) beginning production.

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