indicating a person or thing's identity, authentication is the process of verifying that identity. Authentication is relevant to multiple fields. In art...

Multi-factor authentication (MFA; two-factor authentication, or 2FA) is an electronic authentication method in which a user is granted access to a website...

An authenticator is a means used to confirm a user's identity, that is, to perform digital authentication. A person authenticates to a computer system...

'Basic' HTTP Authentication Scheme. Internet Engineering Task Force. sec. 2.1. doi:10.17487/RFC7617. RFC 7617. The 'Basic' HTTP Authentication Scheme. Internet...

cryptography, a message authentication code (MAC), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity-checking...

July 2011. Digest access authentication was originally specified by RFC 2069 (An Extension to HTTP: Digest Access Authentication). RFC 2069 specifies roughly...

Mutual authentication or two-way authentication (not to be confused with two-factor authentication) refers to two parties authenticating each other at...

Extensible Authentication Protocol (EAP) is an authentication framework frequently used in network and internet connections. It is defined in RFC 3748...

services without re-entering authentication factors. It should not be confused with same-sign on (Directory Server Authentication), often accomplished by using...

either keyed-hash message authentication code or hash-based message authentication code) is a specific type of message authentication code (MAC) involving...

Integrated Windows Authentication (IWA) is a term associated with Microsoft products that refers to the SPNEGO, Kerberos, and NTLMSSP authentication protocols...

Protocol (IP) networks. It supports network-level peer authentication, data origin authentication, data integrity, data confidentiality (encryption), and...

In information security, message authentication or data origin authentication is a property that a message has not been modified while in transit (data...

answer ("response") to be authenticated. The simplest example of a challenge-response protocol is password authentication, where the challenge is asking...

In cryptography, deniable authentication refers to message authentication between a set of participants where the participants themselves can be confident...

Key/Config-authentication is used to solve the problem of authenticating the keys of a person (say "person A") that some other person ("person B") is...

may log in using any authentication mechanism supported by the server. It is mainly used by submission servers, where authentication is mandatory. SMTP...

Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized authentication, authorization, and accounting (AAA)...

Output: ciphertext and authentication tag (message authentication code or MAC). Decryption Input: ciphertext, key, authentication tag, and optionally a...

build a system of authentication for web-based applications that solves or mitigates the issues of traditional password-based authentication. Zero-knowledge...

authentication protocol is a type of computer communications protocol or cryptographic protocol specifically designed for transfer of authentication data...

Kerberos (/ˈkɜːrbərɒs/) is a computer-network authentication protocol that works on the basis of tickets to allow nodes communicating over a non-secure...

recognition or speech recognition. Speaker verification (also called speaker authentication) contrasts with identification, and speaker recognition differs from...

Pre-boot authentication (PBA) or power-on authentication (POA) serves as an extension of the BIOS, UEFI or boot firmware and guarantees a secure, tamper-proof...

Passwordless authentication is an authentication method in which a user can log in to a computer system without entering (and having to remember) a password...

Internet Authentication Service (IAS) is a component of Windows Server operating systems that provides centralized user authentication, authorization...

HTTP digest access authentication to calculate an MD5 digest of the password. The nonces are different each time the 401 authentication challenge response...

components: the transport layer provides server authentication, confidentiality, and integrity; the user authentication protocol validates the user to the server;...

reveals requires a rigorous approach to fine art authentication. The requirement for art authentication has been a historical practice, evolving over centuries...

A pluggable authentication module (PAM) is a mechanism to integrate multiple low-level authentication schemes into a high-level application programming...