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Message authentication or data origin authentication is an information security property that indicates that a message has not been modified while in transit (data integrity) and that the receiving party can verify the source of the message. [1] Message authentication does not necessarily include the property of non-repudiation. [2] [3]
SaudiGeoSat 1/HellasSat 4, also known as SaudiGeoSat 1/HellasSat 4 (abbreviated SGS-1/HS-4), is a Saudi and Greek geostationary communication satellite of King Abdulaziz City for Science and Technology (KACST) and HellasSat. It was built by Lockheed Martin and was launched on 5 February 2019 on board Ariane flight VA247.
Massar Egbari is an Egyptian rock band that was officially launched in 2005 from Alexandria, Egypt. The band consists of 5 musicians: Ayman Massoud (keyboards), Hany El Dakkak (guitar and lead vocals), Ahmed Hafez (bass guitar), and Tamer Attallah (drums).
In the context of an HTTP transaction, basic access authentication is a method for an HTTP user agent (e.g. a web browser) to provide a user name and password when making a request. In basic HTTP authentication, a request contains a header field in the form of Authorization: Basic <credentials> , where <credentials> is the Base64 encoding of ID ...
In computing, the Challenge-Handshake Authentication Protocol (CHAP) is an authentication protocol originally used by Point-to-Point Protocol (PPP) to validate users. CHAP is also carried in other authentication protocols such as RADIUS and Diameter. Almost all network operating systems support PPP with CHAP, as do most network access servers.
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In some related but distinct contexts, the term AAA has been used to refer to protocol-specific information. For example, Diameter uses the URI scheme AAA, which also stands for "Authentication, Authorization and Accounting", as well as the Diameter-based Protocol AAAS, which stands for "Authentication, Authorization and Accounting with Secure Transport". [4]
Strong authentication is often confused with two-factor authentication (more generally known as multi-factor authentication), but strong authentication is not necessarily multi-factor authentication. Soliciting multiple answers to challenge questions may be considered strong authentication but, unless the process also retrieves "something you ...