diff options
Diffstat (limited to 'keystore/java/android/security/keystore/KeyPermanentlyInvalidatedException.java')
| -rw-r--r-- | keystore/java/android/security/keystore/KeyPermanentlyInvalidatedException.java | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/keystore/java/android/security/keystore/KeyPermanentlyInvalidatedException.java b/keystore/java/android/security/keystore/KeyPermanentlyInvalidatedException.java index e320c9c..9e82fc0 100644 --- a/keystore/java/android/security/keystore/KeyPermanentlyInvalidatedException.java +++ b/keystore/java/android/security/keystore/KeyPermanentlyInvalidatedException.java @@ -21,12 +21,13 @@ import java.security.InvalidKeyException; /** * Indicates that the key can no longer be used because it has been permanently invalidated. * - * <p>This can currently occur only for keys that require user authentication. Such keys are - * permanently invalidated once the secure lock screen is disabled (i.e., reconfigured to None, - * Swipe or other mode which does not authenticate the user) or when the secure lock screen is - * forcibly reset (e.g., by Device Admin). Additionally, keys configured to require user - * authentication for every use of the key are also permanently invalidated once a new fingerprint - * is enrolled or once no more fingerprints are enrolled. + * <p>This only occurs for keys which are authorized to be used only if the user has been + * authenticated. Such keys are permanently and irreversibly invalidated once the secure lock screen + * is disabled (i.e., reconfigured to None, Swipe or other mode which does not authenticate the + * user) or when the secure lock screen is forcibly reset (e.g., by Device Admin). Additionally, + * keys configured to require user authentication to take place for every of the keys, are also + * permanently invalidated once a new fingerprint is enrolled or once no more fingerprints are + * enrolled. */ public class KeyPermanentlyInvalidatedException extends InvalidKeyException { |