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 device
• Cipher system
• Cipher text
• Ciphony^[1]
• Civision
• Codress message
• COMSEC equipment
• Cryptanalysis
• Cryptographic key
• CRYPTO (International Cryptology Conference)
• Crypto phone
• Crypto-shredding
• Data Encryption Standard (DES) ^[2]
• 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^[3]
• 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)
• Types 1, 2, 3, and 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.^[4]

George W. Bush using a Motorola STU-III immediately after the September 11 attacks

KSD-64 "Crypto-ignition keys" on display at the National Cryptologic Museum in 2005

See also

• Telecommunications portal

• Communications security
• CONDOR secure cell phone
• Cryptography standards
• Secure communication
• Secure telephone
• Telecommunications