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Code Issues Releases Wiki Activity

add (optional) keyId check in NfcActivity

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This commit is contained in:
Vincent Breitmoser 2014-09-30 01:47:04 +02:00
parent dabdda36cf
commit bd3f6a22cb
1 changed files with 20 additions and 5 deletions
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25
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcActivity.java
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@ -45,8 +45,8 @@ public class NfcActivity extends ActionBarActivity {
public static final String ACTION_DECRYPT_SESSION_KEY = "decrypt_session_key";
// always
public static final String EXTRA_KEY_ID = "key_id";
public static final String EXTRA_PIN = "pin";
public static final String EXTRA_FINGERPRINT = "fingerprint";
// special extra for OpenPgpService
public static final String EXTRA_DATA = "data";
@ -66,8 +66,7 @@ public class NfcActivity extends ActionBarActivity {
private String mAction;
private String mPin;
private byte[] mFingerprint;
private Long mKeyId;
// sign
private byte[] mHashToSign;
@ -89,8 +88,10 @@ public class NfcActivity extends ActionBarActivity {
Bundle data = intent.getExtras();
String action = intent.getAction();
// TODO check fingerprint
// mFingerprint = data.getByteArray(EXTRA_FINGERPRINT);
// if we get are passed a key id, save it for the check
if (data.containsKey(EXTRA_KEY_ID)) {
mKeyId = data.getLong(EXTRA_KEY_ID);
}
if (ACTION_SIGN_HASH.equals(action)) {
mAction = action;
@ -204,6 +205,19 @@ public class NfcActivity extends ActionBarActivity {
return;
}
// If we were supplied with a key id for checking, do so
if (mKeyId != null) {
// We always check the master key id
long keyId = nfcGetKeyId(mIsoDep, 0);
// If it's wrong, just cancel
if (keyId != mKeyId) {
toast("NFC Tag has wrong key id!");
setResult(RESULT_CANCELED, mServiceIntent);
finish();
return;
}
}
// Command APDU for VERIFY command (page 32)
String login =
"00" // CLA
@ -246,6 +260,7 @@ public class NfcActivity extends ActionBarActivity {
setResult(RESULT_OK, mServiceIntent);
finish();
}
}
/**