Instance Property


Returns the public authentication certificate associated with a user identity.


@property(readonly, nonatomic) SecCertificateRef certificate;

Return Value

The public authentication certificate, or nil if none exists.


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.

See Also

Password Authentication

- authenticateWithPassword:

Returns a Boolean value indicating whether the given password is correct for the identity.

- isEnabled

Returns a Boolean value indicating whether the identity is allowed to authenticate.