List of telecommunications encryption terms
# 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.
