Digital Certificate Operation in a Complex Environment

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Authentication The act of verifying that an electronic identity (username, login name etc.) is being employed by the entity, person or process to whom it was issued.
Strictly it should mean "establishing the validity of something, such as an identity". This procedure can be very difficult indeed.
See also Identification.
See our primer document for more background on identification and authentication.
Oxford University Computing Services Mimas Athens access management services Oxfore e-Science Centre Systems and Electronic Resources Service Joint Information Systems Committee