An identity provider is an entity which issues identitiers to other entities. A typical identity provider is an internet site which manages its own directory of accounts of its users.
An identity provider is a service which asserts the identity of a user who is local to the institution running the provider. See also Origin.
A type of service provider that creates, maintains, and manages identity information for users and provides user authentication to other service providers within a federation, such as with web browser profiles.
an organization that directly manages end users
An organization who acts as a trusted provider of identity information through an STS.
Shibboleth term for Home Organization. The term "Identity Provider" though is more used for the technical side of a Home Organization (the software implementation of Shibboleth).
In the Shibboleth architecture, the Identity Provider is the organisation that provides authentication for a user. Authorisation is provided by the Service Provider. Formerly known as the origin.
Identity Provider is an entity that acts as an authentication service to end requestors. An Identity Provider also acts as a data origin authentication service to service providers (this is typically an extension of a security token service).
An Identity Provider is a Shibboleth server that authenticates users and conveys their attributes to requesting resources. In other terms it provides the digital identities of its users to other servers in the AAI.