National Security Agency - NSA Encryption Systems

NSA Encryption Systems

NSA is responsible for the encryption-related components in these systems:

  • EKMS Electronic Key Management System
  • FNBDT Future Narrow Band Digital Terminal
  • Fortezza encryption based on portable crypto token in PC Card format
  • KL-7 ADONIS off-line rotor encryption machine (post-WWII – 1980s)
  • KW-26 ROMULUS electronic in-line teletypewriter encryptor (1960s–1980s)
  • KW-37 JASON fleet broadcast encryptor (1960s–1990s)
  • KY-57 VINSON tactical radio voice encryptor
  • KG-84 Dedicated Data Encryption/Decryption
  • SINCGARS tactical radio with cryptographically controlled frequency hopping
  • STE secure terminal equipment
  • STU-III secure telephone unit, currently being phased out by the STE
  • TACLANE product line by General Dynamics C4 Systems

NSA has specified Suite A and Suite B cryptographic algorithm suites to be used in U.S. government systems; the Suite B algorithms are a subset of those previously specified by NIST and are expected to serve for most information protection purposes, while the Suite A algorithms are secret and are intended for especially high levels of protection.

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