Image:Ky-57.jpg ]] The Speech Security Equipment (VINSON), TSEC/KY-57 is a portable, tactical cryptography device in the VINSON family, designed to provide voice encryption for a range of military communication devices such as radio or telephone The KY-57 can accept signal fades of up to 12 seconds without losing synchronization with the transmitting station. There are storage positions for 6 key (cryptography) Keys 1 to 5 are traffic encryption keys (TEK). Key 6 is a key encryption key (KEK) used for OTAR of the other 5 keys. Key 6 must be loaded manually using a fill device such as the AN/CYZ-10

See also

* NSA encryption systems * FNBDT * ANDVT * SINCGARS * AN/PRC-77 Portable Transceiver

External links

* http://www.pacificsites.com/~brooke/KY57.shtml A description of the KY-57] * http://www.jproc.ca/crypto/ky57.html Another description with a photo] Category:National Security Agency encryption devices