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Catch some more exceptions in KeyStoreHelper

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Jakob Nixdorf 2018-01-10 22:40:41 +01:00
parent c16e3db88b
commit a2f8a95552
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1 changed files with 9 additions and 3 deletions
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12
app/src/main/java/org/shadowice/flocke/andotp/Utilities/KeyStoreHelper.java
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@ -37,6 +37,7 @@ import java.security.GeneralSecurityException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.KeyStore;
import java.security.ProviderException;
import java.security.spec.AlgorithmParameterSpec;
import java.util.Calendar;
import java.util.GregorianCalendar;
@ -96,7 +97,11 @@ public class KeyStoreHelper {
}
final KeyStore.PrivateKeyEntry entry = (KeyStore.PrivateKeyEntry) keyStore.getEntry(alias, null);
return new KeyPair(entry.getCertificate().getPublicKey(), entry.getPrivateKey());
if (entry != null)
return new KeyPair(entry.getCertificate().getPublicKey(), entry.getPrivateKey());
else
return null;
}
public static SecretKey loadEncryptionKeyFromKeyStore(Context context, boolean failSilent) {
@ -104,8 +109,9 @@ public class KeyStoreHelper {
try {
KeyPair pair = KeyStoreHelper.loadOrGenerateAsymmetricKeyPair(context, Constants.KEYSTORE_ALIAS_WRAPPING);
encKey = EncryptionHelper.loadOrGenerateWrappedKey(new File(context.getFilesDir() + "/" + Constants.FILENAME_ENCRYPTED_KEY), pair);
} catch (GeneralSecurityException | IOException e) {
if (pair != null)
encKey = EncryptionHelper.loadOrGenerateWrappedKey(new File(context.getFilesDir() + "/" + Constants.FILENAME_ENCRYPTED_KEY), pair);
} catch (GeneralSecurityException | IOException | ProviderException e) {
e.printStackTrace();
if (! failSilent)
UIHelper.showGenericDialog(context, R.string.dialog_title_keystore_error, R.string.dialog_msg_keystore_error);