Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Install
Faster access than browser!
 

ZRTP (composed of Z and Real-time Transport Protocol) is a cryptographic key-agreement protocol to negotiate the keys for encryption between two end points in a Voice over Internet Protocol (VoIP) phone telephony call based on the Real-time Transport Protocol. [1]

50 relations: Acronym, Android (operating system), C (programming language), C++, Circuit Switched Data, Communications satellite, Cryptographic hash function, CSipSimple, Diffie–Hellman key exchange, Distributed hash table, DrayTek, Encryption, Enhanced Data Rates for GSM Evolution, FreeSWITCH, General Packet Radio Service, H.323, Integrated Services Digital Network, Internet Draft, Internet Engineering Task Force, Java (programming language), Jingle (protocol), Jitsi, Jon Callas, Key (cryptography), Key-agreement protocol, Linphone, Linux, Man-in-the-middle attack, Microsoft Windows, National Security Agency, National Security Agency academic publications, Open Whisper Systems, Opportunistic encryption, Phil Zimmermann, Phoner, Public key infrastructure, Real-time Transport Protocol, Satellite modem, Secure Real-time Transport Protocol, Secure Shell, Session Initiation Protocol, Signal (software), Signal Protocol, Twinkle (software), Ultra high frequency, UMTS, Very high frequency, Voice over IP, Wi-Fi, Zooko Wilcox-O'Hearn.

Acronym

An acronym is a word or name formed as an abbreviation from the initial components in a phrase or a word, usually individual letters (as in NATO or laser) and sometimes syllables (as in Benelux).

New!!: ZRTP and Acronym · See more »

Android (operating system)

Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets.

New!!: ZRTP and Android (operating system) · See more »

C (programming language)

C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.

New!!: ZRTP and C (programming language) · See more »

C++

C++ ("see plus plus") is a general-purpose programming language.

New!!: ZRTP and C++ · See more »

Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

New!!: ZRTP and Christmas · See more »

Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

New!!: ZRTP and Christmas and holiday season · See more »

Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

New!!: ZRTP and Christmas Eve · See more »

Christmas traditions

Christmas traditions vary from country to country.

New!!: ZRTP and Christmas traditions · See more »

Circuit Switched Data

In communications, Circuit Switched Data (CSD) is the original form of data transmission developed for the time-division multiple access (TDMA)-based mobile phone systems like Global System for Mobile Communications (GSM).

New!!: ZRTP and Circuit Switched Data · See more »

Communications satellite

A communications satellite is an artificial satellite that relays and amplifies radio telecommunications signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth.

New!!: ZRTP and Communications satellite · See more »

Cryptographic hash function

A cryptographic hash function is a special class of hash function that has certain properties which make it suitable for use in cryptography.

New!!: ZRTP and Cryptographic hash function · See more »

CSipSimple

CSipSimple is a Voice over Internet Protocol (VoIP) application for Google Android operating system using the Session Initiation Protocol (SIP).

New!!: ZRTP and CSipSimple · See more »

Diffie–Hellman key exchange

Diffie–Hellman key exchange (DH)Synonyms of Diffie–Hellman key exchange include.

New!!: ZRTP and Diffie–Hellman key exchange · See more »

Distributed hash table

A distributed hash table (DHT) is a class of a decentralized distributed system that provides a lookup service similar to a hash table: (key, value) pairs are stored in a DHT, and any participating node can efficiently retrieve the value associated with a given key.

New!!: ZRTP and Distributed hash table · See more »

DrayTek

DrayTek is a manufacturer of broadband CPE (Customer Premises Equipment), including firewalls, VPN devices, routers and wireless LAN devices.

New!!: ZRTP and DrayTek · See more »

Encryption

In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot.

New!!: ZRTP and Encryption · See more »

Enhanced Data Rates for GSM Evolution

Enhanced Data rates for GSM Evolution (EDGE) (also known as Enhanced GPRS (EGPRS), or IMT Single Carrier (IMT-SC), or Enhanced Data rates for Global Evolution) is a digital mobile phone technology that allows improved data transmission rates as a backward-compatible extension of GSM.

New!!: ZRTP and Enhanced Data Rates for GSM Evolution · See more »

FreeSWITCH

FreeSWITCH is a free and open source application server for real-time communication, WebRTC, telecommunications, video and Voice over Internet Protocol (VoIP).

New!!: ZRTP and FreeSWITCH · See more »

General Packet Radio Service

General Packet Radio Service (GPRS) is a packet oriented mobile data standard on the 2G and 3G cellular communication network's global system for mobile communications (GSM).

New!!: ZRTP and General Packet Radio Service · See more »

H.323

H.323 is a recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication sessions on any packet network.

New!!: ZRTP and H.323 · See more »

Integrated Services Digital Network

Integrated Services Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network.

New!!: ZRTP and Integrated Services Digital Network · See more »

Internet Draft

An Internet Draft (I-D) is a document published by the Internet Engineering Task Force (IETF) containing preliminary technical specifications, results of networking-related research, or other technical information.

New!!: ZRTP and Internet Draft · See more »

Internet Engineering Task Force

The Internet Engineering Task Force (IETF) develops and promotes voluntary Internet standards, in particular the standards that comprise the Internet protocol suite (TCP/IP).

New!!: ZRTP and Internet Engineering Task Force · See more »

Java (programming language)

Java is a general-purpose computer-programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.

New!!: ZRTP and Java (programming language) · See more »

Jingle (protocol)

Jingle is an extension to the Extensible Messaging and Presence Protocol (XMPP) which adds peer-to-peer (P2P) session control (signaling) for multimedia interactions such as in Voice over IP (VoIP) or videoconferencing communications.

New!!: ZRTP and Jingle (protocol) · See more »

Jitsi

Jitsi Desktop (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application for Windows, Linux, Mac OS X and Android.

New!!: ZRTP and Jitsi · See more »

Jon Callas

Jon Callas is an American computer security expert, software engineer, user experience designer, and technologist who is the co-founder and former CTO of the global encrypted communications service Silent Circle.

New!!: ZRTP and Jon Callas · See more »

Key (cryptography)

In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm.

New!!: ZRTP and Key (cryptography) · See more »

Key-agreement protocol

In cryptography, a key-agreement protocol is a protocol whereby two or more parties can agree on a key in such a way that both influence the outcome.

New!!: ZRTP and Key-agreement protocol · See more »

Linphone

Linphone (contraction of Linux phone) is a free voice over IP softphone, SIP client and service.

New!!: ZRTP and Linphone · See more »

Linux

Linux is a family of free and open-source software operating systems built around the Linux kernel.

New!!: ZRTP and Linux · See more »

Man-in-the-middle attack

In cryptography and computer security, a man-in-the-middle attack (MITM) is an attack where the attacker secretly relays and possibly alters the communication between two parties who believe they are directly communicating with each other.

New!!: ZRTP and Man-in-the-middle attack · See more »

Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

New!!: ZRTP and Microsoft Windows · See more »

National Security Agency

The National Security Agency (NSA) is a national-level intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence.

New!!: ZRTP and National Security Agency · See more »

National Security Agency academic publications

The United States' National Security Agency (NSA), an intelligence agency of the federal government, publishes many documents on the history and technology of cryptology, cryptography, and cryptanalysis through various publications.

New!!: ZRTP and National Security Agency academic publications · See more »

New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

New!!: ZRTP and New Year · See more »

New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

New!!: ZRTP and New Year's Day · See more »

New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

New!!: ZRTP and New Year's Eve · See more »

Open Whisper Systems

Open Whisper Systems (abbreviated OWS) is a software organization that was founded by Moxie Marlinspike in 2013.

New!!: ZRTP and Open Whisper Systems · See more »

Opportunistic encryption

Opportunistic encryption (OE) refers to any system that, when connecting to another system, attempts to encrypt the communications channel, otherwise falling back to unencrypted communications.

New!!: ZRTP and Opportunistic encryption · See more »

Phil Zimmermann

Philip R. "Phil" Zimmermann, Jr. (born February 12, 1954) is the creator of Pretty Good Privacy (PGP), the most widely used email encryption software in the world.

New!!: ZRTP and Phil Zimmermann · See more »

Phoner

Phoner and PhonerLite are softphone applications for Windows operating systems available as freeware.

New!!: ZRTP and Phoner · See more »

Public key infrastructure

A public key infrastructure (PKI) is a set of roles, policies, and procedures needed to create, manage, distribute, use, store, and revoke digital certificates and manage public-key encryption.

New!!: ZRTP and Public key infrastructure · See more »

Real-time Transport Protocol

The Real-time Transport Protocol (RTP) is a network protocol for delivering audio and video over IP networks.

New!!: ZRTP and Real-time Transport Protocol · See more »

Satellite modem

A satellite modem or satmodem is a modem used to establish data transfers using a communications satellite as a relay.

New!!: ZRTP and Satellite modem · See more »

Secure Real-time Transport Protocol

The Secure Real-time Transport Protocol (SRTP) is a Real-time Transport Protocol (RTP) profile, intended to provide encryption, message authentication and integrity, and replay attack protection to the RTP data in both unicast and multicast applications.

New!!: ZRTP and Secure Real-time Transport Protocol · See more »

Secure Shell

Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network.

New!!: ZRTP and Secure Shell · See more »

Session Initiation Protocol

The Session Initiation Protocol (SIP) is a communications protocol for signaling and controlling multimedia communication sessions in applications of Internet telephony for voice and video calls, in private IP telephone systems, as well as in instant messaging over Internet Protocol (IP) networks.

New!!: ZRTP and Session Initiation Protocol · See more »

Signal (software)

Signal is an encrypted communications app for Android and iOS.

New!!: ZRTP and Signal (software) · See more »

Signal Protocol

The Signal Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that can be used to provide end-to-end encryption for voice calls, video calls, and instant messaging conversations.

New!!: ZRTP and Signal Protocol · See more »

Twinkle (software)

Twinkle is a free and open-source app for voice communications over Voice over IP (VoIP) protocol.

New!!: ZRTP and Twinkle (software) · See more »

Ultra high frequency

Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 megahertz (MHz) and 3 gigahertz (GHz), also known as the decimetre band as the wavelengths range from one meter to one decimeter.

New!!: ZRTP and Ultra high frequency · See more »

UMTS

The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard.

New!!: ZRTP and UMTS · See more »

Very high frequency

Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten to one meter.

New!!: ZRTP and Very high frequency · See more »

Voice over IP

Voice over Internet Protocol (also voice over IP, VoIP or IP telephony) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.

New!!: ZRTP and Voice over IP · See more »

Wi-Fi

Wi-Fi or WiFi is technology for radio wireless local area networking of devices based on the IEEE 802.11 standards.

New!!: ZRTP and Wi-Fi · See more »

Zooko Wilcox-O'Hearn

Zooko Wilcox-O'Hearn (born Bryce Wilcox May 13, 1974 in Phoenix, Arizona), is an American Colorado-based computer security specialist, cypherpunk, and CEO of zCash.

New!!: ZRTP and Zooko Wilcox-O'Hearn · See more »

2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

New!!: ZRTP and 2018 · See more »

2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

New!!: ZRTP and 2019 · See more »

Redirects here:

Short Authentication String, Z Real-time Transport Protocol.

References

[1] https://en.wikipedia.org/wiki/ZRTP

OutgoingIncoming
Hey! We are on Facebook now! »