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Attempt to fix key store crash

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This commit is contained in:
nielsandriesse 2020-08-19 14:31:33 +10:00
parent 219d5ca401
commit fa664d0725
1 changed files with 33 additions and 5 deletions
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38
src/org/thoughtcrime/securesms/crypto/KeyStoreHelper.java
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@ -4,9 +4,10 @@ package org.thoughtcrime.securesms.crypto;
import android.os.Build;
import android.security.keystore.KeyGenParameterSpec;
import android.security.keystore.KeyProperties;
import android.util.Base64;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import android.util.Base64;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.JsonGenerator;
@ -28,6 +29,7 @@ import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.UnrecoverableEntryException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import javax.crypto.BadPaddingException;
@ -38,7 +40,7 @@ import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.spec.GCMParameterSpec;
public class KeyStoreHelper {
public final class KeyStoreHelper {
private static final String ANDROID_KEY_STORE = "AndroidKeyStore";
private static final String KEY_ALIAS = "SignalSecret";
@ -99,12 +101,38 @@ public class KeyStoreHelper {
@RequiresApi(Build.VERSION_CODES.M)
private static SecretKey getKeyStoreEntry() {
KeyStore keyStore = getKeyStore();
try {
// Attempt 1
return getSecretKey(keyStore);
} catch (UnrecoverableKeyException e1) {
try {
// Attempt 2
return getSecretKey(keyStore);
} catch (UnrecoverableKeyException e2) {
throw new AssertionError(e2);
}
}
}
private static SecretKey getSecretKey(KeyStore keyStore) throws UnrecoverableKeyException {
try {
KeyStore.SecretKeyEntry entry = (KeyStore.SecretKeyEntry) keyStore.getEntry(KEY_ALIAS, null);
return entry.getSecretKey();
} catch (UnrecoverableKeyException e) {
throw e;
} catch (KeyStoreException | NoSuchAlgorithmException | UnrecoverableEntryException e) {
throw new AssertionError(e);
}
}
private static KeyStore getKeyStore() {
try {
KeyStore keyStore = KeyStore.getInstance(ANDROID_KEY_STORE);
keyStore.load(null);
return ((KeyStore.SecretKeyEntry) keyStore.getEntry(KEY_ALIAS, null)).getSecretKey();
} catch (KeyStoreException | IOException | NoSuchAlgorithmException | CertificateException | UnrecoverableEntryException e) {
return keyStore;
} catch (KeyStoreException | CertificateException | IOException | NoSuchAlgorithmException e) {
throw new AssertionError(e);
}
}