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. A5/1a stream cipher used to provide over-the-air communication privacy in the GSM cellular telephone standard. Bulk encryption Cellular Message Encryption Algorithma 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-catcheran 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 Squirtto load or transfer code key from an electronic key storage device. See Over the Air Rekeying. STU-IIIa 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 VPNcombines voice over IP and virtual private network technologies to offer a method for delivering secure voice. ZRTPa cryptographic key-agreement protocol used in Voice over Internet Protocol (VoIP) phone telephony. See also Communications security CONDOR secure cell phone Cryptography standards Secure communication Secure telephone Telecommunications References Further reading Rutenbeck, Jeff (2006). Tech terms: what every telecommunications and digital media person should know. Elsevier, Inc. Kissel, Richard (editor). (February, 2011). Glossary of Key Information Security Terms (NIST IR 7298 Revision 1). National Institute of Standards and Technology. External links "Federal Standard 1037C."Telecommunications: Glossary of Telecommunication Terms Embedding Security into Handsets Would Boost Data Usage - Report (2005) from Cellular-news.com Wireless, Telecom and Computer Glossary from Cellular Network Perspectives Telecommunications encryption terms