title: List of telecommunications encryption terms
text: # 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
  * Crypto-shredding
  * 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
  * Squirt – to load or transfer code key from an electronic key storage device. See Over the Air Rekeying.
  * 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.
  