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The Air Tractor L3Harris OA-1K Sky Warden (company designation AT-802U) is an American fixed-wing, single-engine light attack/armed reconnaissance aircraft built by Air Tractor and L3Harris for the Armed Overwatch program of the United States Special Operations Command (SOCOM). It was developed from the Air Tractor AT-802, an American aircraft ...
Message authentication code. In cryptography, a message authentication code (MAC), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity -checking a message. In other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed (its integrity).
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Challenge–response authentication. In computer security, challenge-response authentication is a family of protocols in which one party presents a question ("challenge") and another party must provide a valid answer ("response") to be authenticated. [1]
Cryptography. Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized: kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively [1]), is the practice and study of techniques for secure communication in the presence of adversarial behavior. [2]
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Digest access authentication is one of the agreed-upon methods a web server can use to negotiate credentials, such as username or password, with a user's web browser. This can be used to confirm the identity of a user before sending sensitive information, such as online banking transaction history.
Authenticator. An authenticator is a means used to confirm a user's identity, [1][2] that is, to perform digital authentication. A person authenticates to a computer system or application by demonstrating that he or she has possession and control of an authenticator. [3][4] In the simplest case, the authenticator is a common password.