다음을 통해 공유


KeyGenParameterSpec.UserAuthenticationValidityDurationSeconds Property

Definition

Gets the duration of time (seconds) for which this key is authorized to be used after the user is successfully authenticated.

public int UserAuthenticationValidityDurationSeconds { [Android.Runtime.Register("getUserAuthenticationValidityDurationSeconds", "()I", "", ApiSince=23)] get; }
[<get: Android.Runtime.Register("getUserAuthenticationValidityDurationSeconds", "()I", "", ApiSince=23)>]
member this.UserAuthenticationValidityDurationSeconds : int

Property Value

duration in seconds or -1 if authentication is required for every use of the key.

Attributes

Remarks

Gets the duration of time (seconds) for which this key is authorized to be used after the user is successfully authenticated. This has effect only if user authentication is required (see #isUserAuthenticationRequired()).

This authorization applies only to secret key and private key operations. Public key operations are not restricted.

Java documentation for android.security.keystore.KeyGenParameterSpec.getUserAuthenticationValidityDurationSeconds().

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to