com.google.crypto.tink.integration.android

Class SharedPrefKeysetReader

java.lang.Object

com.google.crypto.tink.integration.android.SharedPrefKeysetReader

All Implemented Interfaces:

KeysetReader

public final class SharedPrefKeysetReader
extends Object
implements KeysetReader

A KeysetReader that can read keysets from private shared preferences on Android.

Since:

1.0.0

Constructor Summary

Constructors

Constructor and Description
SharedPrefKeysetReader(Context context, String keysetName, String prefFilename) Creates a KeysetReader that reads and hex-decodes keysets from the preference name keysetName in the private shared preferences file prefFilename.

Method Summary

Modifier and Type	Method and Description
com.google.crypto.tink.proto.Keyset	read() Tries to read and return a cleartext Keyset.
com.google.crypto.tink.proto.EncryptedKeyset	readEncrypted() Tries to read and return an EncryptedKeyset.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SharedPrefKeysetReader

public SharedPrefKeysetReader(Context context,
                              String keysetName,
                              String prefFilename)
                       throws IOException

Creates a KeysetReader that reads and hex-decodes keysets from the preference name keysetName in the private shared preferences file prefFilename.

If prefFilename is null, uses the default shared preferences file.

Throws:

IOException - if cannot read the keyset

IllegalArgumentException - if keysetName is null

Method Detail

read

public com.google.crypto.tink.proto.Keyset read()
                                         throws IOException

Description copied from interface: KeysetReader

Tries to read and return a cleartext Keyset.

Specified by:

read in interface KeysetReader

Returns:

the Keyset

Throws:

IOException

readEncrypted

public com.google.crypto.tink.proto.EncryptedKeyset readEncrypted()
                                                           throws IOException

Description copied from interface: KeysetReader

Tries to read and return an EncryptedKeyset.

Specified by:

readEncrypted in interface KeysetReader

Returns:

the EncryptedKeyset

Throws:

IOException