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1 entity key
A reference to an entity of a specific entity type. -
2 key
The attribute of an entity type that specifies which property or set of properties is used to identify unique instances of the entity type. -
3 certificate
"A digital document that is commonly used for authentication and to help secure information on a network. A certificate binds a public key to an entity that holds the corresponding private key. Certificates are digitally signed by the certification authority that issues them, and they can be issued for a user, a computer, or a service." -
4 digital certificate
"A digital document that is commonly used for authentication and to help secure information on a network. A certificate binds a public key to an entity that holds the corresponding private key. Certificates are digitally signed by the certification authority that issues them, and they can be issued for a user, a computer, or a service." -
5 X.509 v3 certificate
"Version 3 of the International Telecommunication Union - Telecommunication [Standardization Sector] (ITU-T) recommendation X.509 for certificate syntax and format. This is the standard certificate format used by Windows certificate-based processes. An X.509 certificate includes the public key and information about the person or entity to whom the certificate is issued, information about the certificate, plus optional information about the certification authority (CA) issuing the certificate."شهادة X.509 v3
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