What is the Principal of a user in Authentication?


A principal in security is the unique identifier of an identity (ie object, service, or person).

The identity key or principal is typically an account’s user name such as:


  • A principal for a simple user/password based auth
 "username": "alice"

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An identity is the identifier of an entity. (id + entity = identity) The key is a mathematical entity, while the owner – and the connection between owner and key – are not. identityidentifier (key)...
Kerberos - Principal (Account)

A Kerberos principal is a unique identity to which Kerberos can assign tickets. Kerberos defines two different types of accounts (or Principals): User Principal Name (UPN), and Service Principal...
What is the LDAP Distinguished Name (DN)?

The Distinguished Name (DN) is the unique identifier for an entry in the ldap tree. The Distinguished Name (DN) is the combination of all relative distinguished names ancestors (ie from the standard:...

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