Android.Security.Keystore Namespace

Important

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Provides Android Keystore key settings, key metadata, and key-operation exceptions.

Classes

Name	Description
BackendBusyException	Indicates a transient error that prevented a key operation from being created.
KeyExpiredException	Indicates that a cryptographic operation failed because the employed key's validity end date is in the past.
KeyGenParameterSpec	`AlgorithmParameterSpec` for initializing a `KeyPairGenerator` or a `KeyGenerator` of the Android Keystore system.
KeyGenParameterSpec.Builder	Builder of `KeyGenParameterSpec` instances.
KeyInfo	Information about a key from the Android Keystore system.
KeyNotYetValidException	Indicates that a cryptographic operation failed because the employed key's validity start date is in the future.
KeyPermanentlyInvalidatedException	Indicates that the key can no longer be used because it has been permanently invalidated.
KeyProperties	Properties of Android Keystore keys.
KeyProtection	Specification of how a key or key pair is secured when imported into the Android Keystore system.
KeyProtection.Builder	Builder of `KeyProtection` instances.
KeyStoreManager	This class provides methods for interacting with keys stored within the Android Keystore.
SecureKeyImportUnavailableException	Indicates that the Keystore does not support securely importing wrapped keys.
StrongBoxUnavailableException	Indicates that an operation could not be performed because the requested security hardware is not available.
UserNotAuthenticatedException	Indicates that a cryptographic operation could not be performed because the user has not been authenticated recently enough.
UserPresenceUnavailableException	Indicates the condition that a proof of user-presence was requested but this proof was not presented.
WrappedKeyEntry	An `Entry` that holds a wrapped key.

Enums

Name	Description
KeyPropertiesAuthType	Specifies the authentication types accepted for a keystore key.
KeyStoreOrigin	Identifies how a key entered Android Keystore.
KeyStorePurpose	Specifies the operations for which a keystore key is authorized.
KeyStoreSecurityLevel	Identifies the reported protection level of a keystore key.

Remarks

Use KeyGenParameterSpec when generating keys and KeyProtection when importing keys. KeyInfo describes the properties and authorizations of a stored key.