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Fix CryptoInputParcel handling for YubiKeys

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This commit is contained in:
Dominik Schürmann
2015-08-18 09:59:31 +02:00
parent 2df3335965
commit 979605b5de
1 changed files with 5 additions and 20 deletions
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25
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java
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@@ -21,7 +21,6 @@
package org.sufficientlysecure.keychain.ui;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
@@ -50,15 +49,11 @@ import org.sufficientlysecure.keychain.util.Preferences;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Date;
/**
* This class provides a communication interface to OpenPGP applications on ISO SmartCard compliant
* NFC devices.
* <p/>
* For the full specs, see http://g10code.com/docs/openpgp-card-2.0.pdf
* NOTE: If no CryptoInputParcel is passed via EXTRA_CRYPTO_INPUT, the CryptoInputParcel is created
* internally and is NOT meant to be used by signing operations before adding signature time
*/
public class NfcOperationActivity extends BaseNfcActivity {
@@ -101,13 +96,6 @@ public class NfcOperationActivity extends BaseNfcActivity {
mInputParcel = getIntent().getParcelableExtra(EXTRA_CRYPTO_INPUT);
if (mInputParcel == null) {
// for compatibility when used from OpenPgpService
// (or any place other than CryptoOperationHelper)
// NOTE: This CryptoInputParcel cannot be used for signing without adding signature time
mInputParcel = new CryptoInputParcel();
}
setTitle(R.string.nfc_text);
vAnimator = (ViewAnimator) findViewById(R.id.view_animator);
@@ -163,9 +151,8 @@ public class NfcOperationActivity extends BaseNfcActivity {
break;
}
case NFC_SIGN: {
if (mInputParcel.getSignatureTime() == null) {
mInputParcel.addSignatureTime(new Date());
}
mInputParcel.addSignatureTime(mRequiredInput.mSignatureTime);
for (int i = 0; i < mRequiredInput.mInputData.length; i++) {
byte[] hash = mRequiredInput.mInputData[i];
int algo = mRequiredInput.mSignAlgos[i];
@@ -240,7 +227,7 @@ public class NfcOperationActivity extends BaseNfcActivity {
throw new IOException("Inappropriate key flags for smart card key.");
}
// TODO: Is this really needed?
// TODO: Is this really used anywhere?
mInputParcel.addCryptoData(subkeyBytes, cardSerialNumber);
}
@@ -261,15 +248,13 @@ public class NfcOperationActivity extends BaseNfcActivity {
protected void onNfcPostExecute() throws IOException {
if (mServiceIntent != null) {
// if we're triggered by OpenPgpService
// save updated cryptoInputParcel in cache
CryptoInputParcelCacheService.addCryptoInputParcel(this, mServiceIntent, mInputParcel);
mServiceIntent.putExtra(EXTRA_CRYPTO_INPUT,
getIntent().getParcelableExtra(EXTRA_CRYPTO_INPUT));
setResult(RESULT_OK, mServiceIntent);
} else {
Intent result = new Intent();
// send back the CryptoInputParcel we received
result.putExtra(RESULT_CRYPTO_INPUT, mInputParcel);
// send back the CryptoInputParcel we receive, to conform with the pattern in
// CryptoOperationHelper
setResult(RESULT_OK, result);
}