certificate
Returns the public authentication certificate associated with a user identity.
Declaration
var certificate: SecCertificate? { get }Return Value
The public authentication certificate, or nil if none exists.
Discussion
The Collaboration framework supports certificate-based authentication in addition to passwords. If a certificate is stored for a user identity, it will be the default method of authentication.
When a .Mac account is associated with a user identity, the authentication certificate is automatically downloaded from the .Mac servers.