MasterKeys

Artifact: androidx.security:security-crypto

View Source

Added in 1.0.0

Deprecated in 1.1.0-rc01

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Kotlin |Java

@RequiresApi(value = Build.VERSION_CODES.M)
class MasterKeys

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This class is deprecated.

Use javax.crypto.KeyGenerator with AndroidKeyStore instance instead.

Convenient methods to create and obtain master keys in Android Keystore.

The master keys are used to encrypt data encryption keys for encrypting files and preferences.

Summary

Constants
const KeyGenParameterSpec	AES256_GCM_SPEC This property is deprecated. Use android.security.keystore.KeyGenParameterSpec.Builder instead.

Public functions
java-static String	getOrCreate(keyGenParameterSpec: KeyGenParameterSpec) Creates or gets the master key provided

Constants

AES256_GCM_SPEC

Added in 1.0.0

Deprecated in 1.1.0-rc01

const val AES256_GCM_SPEC: KeyGenParameterSpec

This property is deprecated.

Use android.security.keystore.KeyGenParameterSpec.Builder instead.

Public functions

getOrCreate

Added in 1.0.0

Deprecated in 1.1.0-rc01

java-static fun getOrCreate(keyGenParameterSpec: KeyGenParameterSpec): String

Creates or gets the master key provided

The encryption scheme is required fields to ensure that the type of encryption used is clear to developers.

Parameters
keyGenParameterSpec: KeyGenParameterSpec	The key encryption scheme

Returns
String	The key alias for the master key

Throws
java.security.GeneralSecurityException
java.io.IOException