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Authentication

Authentication confirms the identity of a user or a service.
It often comes along with authorisation which checks and confirms the user's access rights.
There are three fundemental authentication procedures
With something you know i.e. a password, typically performed by using cryptographic operations such as encryption or digital signatures.
With something you possess such as a device etc
With something attatched to your body fingerprints etc. (Biometric authentication)
Advantages of *biometric authetication include

See also

An entity than can be authenticated is a prinicipal.
Windows authentication
nonce
Software architecture security
HTTP authentication
Kerberos, NTLM
authentication

Index

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