List of Telecommunications Encryption Terms


This is a list of telecommunications encryption terms. This list is derived in part from the Glossary of Telecommunication Terms published as Federal Standard 1037C.

  • A5/1 – a stream cipher used to provide over-the-air communication privacy in the GSM cellular telephone standard.
  • Bulk encryption
  • Cellular Message Encryption Algorithm – a block cipher which was used for securing mobile phones in the United States.
  • Cipher
  • Cipher system
  • Cipher text
  • Ciphony
  • Civision
  • Codress message
  • COMSEC equipment
  • Cryptanalysis
  • Cryptographic key
  • CRYPTO (International Cryptology Conference)
  • Crypto phone
  • Data Encryption Standard (DES)
  • Decipher
  • Decode
  • Decrypt
  • DECT Standard Cipher
  • Descrambler
  • Dncipher
  • Encode
  • Encoding law
  • Encrypt
  • End-to-end encryption
  • group
  • IMSI-catcher – an eavesdropping device used for interception of cellular phones and usually is undetectable for users of mobile phones.
  • Key distribution center (KDC)
  • Key management
  • Key stream
  • KSD-64
  • Link encryption
  • MISTY1
  • Multiplex link encryption
  • Net control station (NCS)
  • Null cipher
  • One-time pad
  • Over the Air Rekeying (OTAR)
  • Plaintext
  • PPPoX
  • Protected distribution system (PDS)
  • Protection interval (PI)
  • Pseudorandom number generator
  • Public-key cryptography
  • RED/BLACK concept
  • RED signal
  • Remote rekeying
  • Security management
  • Spoofing
  • STU-III – a family of secure telephones introduced in 1987 by the National Security Agency for use by the United States government, its contractors, and its allies.
  • Superencryption
  • Synchronous crypto-operation
  • Transmission security key (TSK)
  • Trunk encryption device (TED)
  • Type 1 encryption
  • Type 2 encryption
  • Type 3 encryption
  • Type 4 encryption
  • Unique key
  • VoIP VPN – combines voice over IP and virtual private network technologies to offer a method for delivering secure voice.
  • ZRTP – a cryptographic key-agreement protocol used in Voice over Internet Protocol (VoIP) phone telephony.

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