Added in [API level 14](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) # android.security *** ** * ** *** Provides access to a few facilities of the Android security subsystems. ## Interfaces |---|---| | [KeyChainAliasCallback](https://developer.android.com/reference/android/security/KeyChainAliasCallback) | The KeyChainAliasCallback is the callback for `https://developer.android.com/reference/android/security/KeyChain#choosePrivateKeyAlias(android.app.Activity,%20android.security.KeyChainAliasCallback,%20java.lang.String[],%20java.security.Principal[],%20android.net.Uri,%20java.lang.String)`. | ## Classes |---|---| | [AppUriAuthenticationPolicy](https://developer.android.com/reference/android/security/AppUriAuthenticationPolicy) | The app-URI authentication policy is set by the credential management app. | | [AppUriAuthenticationPolicy.Builder](https://developer.android.com/reference/android/security/AppUriAuthenticationPolicy.Builder) | Builder class for `https://developer.android.com/reference/android/security/AppUriAuthenticationPolicy` objects. | | [AttestedKeyPair](https://developer.android.com/reference/android/security/AttestedKeyPair) | The `AttestedKeyPair` class contains a `KeyPair` instance of keys generated by Keystore and owned by KeyChain, as well as an attestation record for the key. | | [ConfirmationCallback](https://developer.android.com/reference/android/security/ConfirmationCallback) | Callback class used when signaling that a prompt is no longer being presented. | | [ConfirmationPrompt](https://developer.android.com/reference/android/security/ConfirmationPrompt) | Class used for displaying confirmation prompts. | | [ConfirmationPrompt.Builder](https://developer.android.com/reference/android/security/ConfirmationPrompt.Builder) | A builder that collects arguments, to be shown on the system-provided confirmation prompt. | | [FileIntegrityManager](https://developer.android.com/reference/android/security/FileIntegrityManager) | This class provides access to file integrity related operations. | | [GrantedKeyInfo](https://developer.android.com/reference/android/security/GrantedKeyInfo) | Information about a key pair granted to an application via KeyChain. | | [KeyChain](https://developer.android.com/reference/android/security/KeyChain) | The `KeyChain` class provides access to private keys and their corresponding certificate chains in credential storage. | | [KeyChainManager](https://developer.android.com/reference/android/security/KeyChainManager) | Manages KeyChain certificates and grants. | | [KeyPairGeneratorSpec](https://developer.android.com/reference/android/security/KeyPairGeneratorSpec) | *This class was deprecated in API level 23. Use `https://developer.android.com/reference/android/security/keystore/KeyGenParameterSpec` instead.* | | [KeyPairGeneratorSpec.Builder](https://developer.android.com/reference/android/security/KeyPairGeneratorSpec.Builder) | *This class was deprecated in API level 23. Use `https://developer.android.com/reference/android/security/keystore/KeyGenParameterSpec.Builder` instead.* | | [KeyStoreParameter](https://developer.android.com/reference/android/security/KeyStoreParameter) | *This class was deprecated in API level 23. Use `https://developer.android.com/reference/android/security/keystore/KeyProtection` instead.* | | [KeyStoreParameter.Builder](https://developer.android.com/reference/android/security/KeyStoreParameter.Builder) | *This class was deprecated in API level 23. Use `https://developer.android.com/reference/android/security/keystore/KeyProtection.Builder` instead.* | | [NetworkSecurityPolicy](https://developer.android.com/reference/android/security/NetworkSecurityPolicy) | Network security policy. | | [NetworkSecurityPolicy.Builder](https://developer.android.com/reference/android/security/NetworkSecurityPolicy.Builder) | A builder for a `https://developer.android.com/reference/android/security/NetworkSecurityPolicy`. | ## Exceptions |---|---| | [ConfirmationAlreadyPresentingException](https://developer.android.com/reference/android/security/ConfirmationAlreadyPresentingException) | This exception is thrown when presenting a prompt fails because another prompt is already being presented. | | [ConfirmationNotAvailableException](https://developer.android.com/reference/android/security/ConfirmationNotAvailableException) | This exception is thrown when presenting a prompt fails because the environment lacks facilities for showing confirmations. | | [KeyChainException](https://developer.android.com/reference/android/security/KeyChainException) | Thrown on problems accessing the `https://developer.android.com/reference/android/security/KeyChain`. | | [KeyStoreException](https://developer.android.com/reference/android/security/KeyStoreException) | Exception containing information about the failure at the Keystore / KeyMint layer while generating or using a key. | - ## Interfaces - [KeyChainAliasCallback](https://developer.android.com/reference/android/security/KeyChainAliasCallback) - ## Classes - [AppUriAuthenticationPolicy](https://developer.android.com/reference/android/security/AppUriAuthenticationPolicy) - [AppUriAuthenticationPolicy.Builder](https://developer.android.com/reference/android/security/AppUriAuthenticationPolicy.Builder) - [AttestedKeyPair](https://developer.android.com/reference/android/security/AttestedKeyPair) - [ConfirmationCallback](https://developer.android.com/reference/android/security/ConfirmationCallback) - [ConfirmationPrompt](https://developer.android.com/reference/android/security/ConfirmationPrompt) - [ConfirmationPrompt.Builder](https://developer.android.com/reference/android/security/ConfirmationPrompt.Builder) - [FileIntegrityManager](https://developer.android.com/reference/android/security/FileIntegrityManager) - [GrantedKeyInfo](https://developer.android.com/reference/android/security/GrantedKeyInfo) - [KeyChain](https://developer.android.com/reference/android/security/KeyChain) - [KeyChainManager](https://developer.android.com/reference/android/security/KeyChainManager) - [KeyPairGeneratorSpec](https://developer.android.com/reference/android/security/KeyPairGeneratorSpec) - [KeyPairGeneratorSpec.Builder](https://developer.android.com/reference/android/security/KeyPairGeneratorSpec.Builder) - [KeyStoreParameter](https://developer.android.com/reference/android/security/KeyStoreParameter) - [KeyStoreParameter.Builder](https://developer.android.com/reference/android/security/KeyStoreParameter.Builder) - [NetworkSecurityPolicy](https://developer.android.com/reference/android/security/NetworkSecurityPolicy) - [NetworkSecurityPolicy.Builder](https://developer.android.com/reference/android/security/NetworkSecurityPolicy.Builder) - ## Exceptions - [ConfirmationAlreadyPresentingException](https://developer.android.com/reference/android/security/ConfirmationAlreadyPresentingException) - [ConfirmationNotAvailableException](https://developer.android.com/reference/android/security/ConfirmationNotAvailableException) - [KeyChainException](https://developer.android.com/reference/android/security/KeyChainException) - [KeyStoreException](https://developer.android.com/reference/android/security/KeyStoreException)