Merge remote-tracking branch 'origin/develop' into develop
This commit is contained in:
hvarona
commit
61b50b1465
8 changed files with 518 additions and 23 deletions
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@ -94,8 +94,8 @@ public class IntroActivity extends AppCompatActivity {
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//startActivity(intent);
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} else {
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//Intent intent = new Intent(this, CreateSeedActivity.class);
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Intent intent = new Intent(this, BoardActivity.class);
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//Intent intent = new Intent(this, PocketRequestActivity.class);
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//Intent intent = new Intent(this, BoardActivity.class);
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Intent intent = new Intent(this, PocketRequestActivity.class);
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startActivity(intent);
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}
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@ -18,6 +18,7 @@ import butterknife.BindView;
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import butterknife.ButterKnife;
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import butterknife.OnTextChanged;
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import cy.agorise.crystalwallet.R;
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import cy.agorise.crystalwallet.application.CrystalSecurityMonitor;
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import cy.agorise.crystalwallet.models.GeneralSetting;
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import cy.agorise.crystalwallet.util.PasswordManager;
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import cy.agorise.crystalwallet.viewmodels.GeneralSettingListViewModel;
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@ -69,7 +70,11 @@ public class PatternRequestActivity extends AppCompatActivity {
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@Override
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public void onComplete(List<PatternLockView.Dot> pattern) {
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if (PasswordManager.checkPassword(patternEncrypted,patternToString(pattern))){
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if (CrystalSecurityMonitor.getInstance(null).is2ndFactorSet()) {
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CrystalSecurityMonitor.getInstance(null).call2ndFactor(thisActivity);
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} else {
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thisActivity.finish();
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}
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} else {
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patternLockView.clearPattern();
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patternLockView.requestFocus();
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@ -18,6 +18,7 @@ import butterknife.ButterKnife;
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import butterknife.OnClick;
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import butterknife.OnTextChanged;
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import cy.agorise.crystalwallet.R;
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import cy.agorise.crystalwallet.application.CrystalSecurityMonitor;
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import cy.agorise.crystalwallet.models.AccountSeed;
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import cy.agorise.crystalwallet.models.GeneralSetting;
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import cy.agorise.crystalwallet.util.PasswordManager;
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@ -66,9 +67,13 @@ public class PinRequestActivity extends AppCompatActivity {
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callback = OnTextChanged.Callback.AFTER_TEXT_CHANGED)
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void afterPasswordChanged(Editable editable) {
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if (PasswordManager.checkPassword(passwordEncrypted, etPassword.getText().toString())) {
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if (CrystalSecurityMonitor.getInstance(null).is2ndFactorSet()) {
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CrystalSecurityMonitor.getInstance(null).call2ndFactor(this);
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} else {
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this.finish();
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}
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}
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}
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}
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@ -26,15 +26,19 @@ import com.andrognito.patternlockview.listener.PatternLockViewListener;
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import org.apache.commons.codec.binary.Base32;
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import java.io.IOException;
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import java.math.BigInteger;
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import java.nio.ByteBuffer;
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import java.util.List;
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import butterknife.BindView;
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import butterknife.ButterKnife;
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import cy.agorise.crystalwallet.R;
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import cy.agorise.crystalwallet.application.CrystalSecurityMonitor;
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import cy.agorise.crystalwallet.models.GeneralSetting;
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import cy.agorise.crystalwallet.util.PasswordManager;
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import cy.agorise.crystalwallet.util.yubikey.Algorithm;
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import cy.agorise.crystalwallet.util.yubikey.OathType;
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import cy.agorise.crystalwallet.util.yubikey.TOTP;
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import cy.agorise.crystalwallet.util.yubikey.YkOathApi;
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import cy.agorise.crystalwallet.viewmodels.GeneralSettingListViewModel;
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@ -60,6 +64,26 @@ public class PocketRequestActivity extends AppCompatActivity {
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mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
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this.configureForegroundDispatch();
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String clave = "12345678901234567890";
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char[] ch = clave.toCharArray();
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StringBuilder builder = new StringBuilder();
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for (char c : ch) {
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String hexCode=String.format("%H", c);
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builder.append(hexCode);
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}
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String claveHex = String.format("%040x", new BigInteger(1, clave.getBytes()));
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long time = 1111111109/30;
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String steps = Long.toHexString(time).toUpperCase();
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while(steps.length() < 16) steps = "0" + steps;
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Log.i("TEST", TOTP.generateTOTP(
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claveHex,
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steps, "6", "HmacSHA1"));
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}
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public void configureForegroundDispatch(){
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@ -100,29 +124,29 @@ public class PocketRequestActivity extends AppCompatActivity {
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Tag tagFromIntent = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
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IsoDep tagIsoDep = IsoDep.get(tagFromIntent);
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Log.i("Tag from nfc","New Intent");
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String yubikeySecret = CrystalSecurityMonitor.getInstance(null).get2ndFactorValue();
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try {
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String encodedSecret = "hola";
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Base32 decoder = new Base32();
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if ((encodedSecret != null) && (!encodedSecret.equals("")) && decoder.isInAlphabet(encodedSecret)) {
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byte[] secret = decoder.decode(encodedSecret);
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YkOathApi ykOathApi = new YkOathApi();
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tagIsoDep.connect();
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tagIsoDep.setTimeout(15000);
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YkOathApi ykOathApi = new YkOathApi(tagIsoDep);
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//byte[] keyBytes = {0x68,0x6f,0x6c,0x61};
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ykOathApi.putCode(tagIsoDep,"prueba",secret, OathType.TOTP, Algorithm.SHA256,(byte)6,0,false);
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tagIsoDep.close();
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Toast.makeText(this, "Credential saved!", Toast.LENGTH_LONG).show();
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} else {
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Toast.makeText(this, "Invalid password for credential", Toast.LENGTH_LONG).show();
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/*long unixTime = System.currentTimeMillis() / 1000L;
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byte[] timeStep = ByteBuffer.allocate(8).putLong(unixTime / 30L).array();
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byte[] response;
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response = ykOathApi.calculate("cy.agorise.crystalwallet",timeStep,true);
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response[0].
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private fun formatTruncated(data: ByteArray): String {
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return with(ByteBuffer.wrap(data)) {
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val digits = get().toInt()
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int.toString().takeLast(digits).padStart(digits, '0')
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}
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}*/
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tagIsoDep.close();
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//ykOathApi.
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} catch (IOException e) {
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e.printStackTrace();
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}
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Toast.makeText(this, "Tag from nfc: "+tagFromIntent, Toast.LENGTH_LONG).show();
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}
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}
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@ -15,6 +15,7 @@ import java.util.List;
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import cy.agorise.crystalwallet.activities.PatternRequestActivity;
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import cy.agorise.crystalwallet.activities.PinRequestActivity;
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import cy.agorise.crystalwallet.activities.PocketRequestActivity;
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import cy.agorise.crystalwallet.models.GeneralSetting;
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import cy.agorise.crystalwallet.notifiers.CrystalWalletNotifier;
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import cy.agorise.crystalwallet.viewmodels.GeneralSettingListViewModel;
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@ -111,6 +112,10 @@ public class CrystalSecurityMonitor implements Application.ActivityLifecycleCall
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return "";
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}
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public boolean is2ndFactorSet(){
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return !this.yubikeyOathTotpPasswordEncrypted.equals("");
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}
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public void setYubikeyOathTotpSecurity(String name, String password){
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this.yubikeyOathTotpPasswordEncrypted = password;
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GeneralSetting yubikeyOathTotpSetting = new GeneralSetting();
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@ -155,6 +160,19 @@ public class CrystalSecurityMonitor implements Application.ActivityLifecycleCall
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}
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}
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public void call2ndFactor(Activity activity){
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Intent intent = null;
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if ((this.yubikeyOathTotpPasswordEncrypted != null) && (!this.yubikeyOathTotpPasswordEncrypted.equals(""))) {
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intent = new Intent(activity, PocketRequestActivity.class);
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//intent.putExtra("ACTIVITY_TYPE", "PASSWORD_REQUEST");
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activity.startActivity(intent);
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}
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}
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public String get2ndFactorValue(){
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return this.yubikeyOathTotpPasswordEncrypted;
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}
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@Override
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public void onActivityCreated(Activity activity, Bundle bundle) {
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//
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@ -201,12 +201,12 @@ public class SecuritySettingsFragment extends Fragment {
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if ((encodedSecret != null) && (!encodedSecret.equals("")) && decoder.isInAlphabet(encodedSecret)) {
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byte[] secret = decoder.decode(encodedSecret);
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YkOathApi ykOathApi = new YkOathApi();
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tagIsoDep.connect();
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tagIsoDep.setTimeout(15000);
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YkOathApi ykOathApi = new YkOathApi(tagIsoDep);
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try {
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ykOathApi.putCode(tagIsoDep, serviceName, secret, OathType.TOTP, Algorithm.SHA256, (byte) 6, 0, false);
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ykOathApi.putCode(serviceName, secret, OathType.TOTP, Algorithm.SHA256, (byte) 6, 0, false);
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CrystalSecurityMonitor.getInstance(null).setYubikeyOathTotpSecurity(CrystalSecurityMonitor.getServiceName(),encodedSecret);
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} catch(IOException e) {
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Toast.makeText(this.getContext(), "There's no space for new credentials!", Toast.LENGTH_LONG).show();
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@ -0,0 +1,175 @@
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package cy.agorise.crystalwallet.util.yubikey;
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import java.lang.reflect.UndeclaredThrowableException;
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import java.security.GeneralSecurityException;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.math.BigInteger;
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import java.util.TimeZone;
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/*
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* Source of this class: https://tools.ietf.org/html/rfc6238
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* */
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public class TOTP {
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private TOTP() {}
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/**
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* This method uses the JCE to provide the crypto algorithm.
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* HMAC computes a Hashed Message Authentication Code with the
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* crypto hash algorithm as a parameter.
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*
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* @param crypto: the crypto algorithm (HmacSHA1, HmacSHA256,
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* HmacSHA512)
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* @param keyBytes: the bytes to use for the HMAC key
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* @param text: the message or text to be authenticated
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*/
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private static byte[] hmac_sha(String crypto, byte[] keyBytes,
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byte[] text){
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try {
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Mac hmac;
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hmac = Mac.getInstance(crypto);
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SecretKeySpec macKey =
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new SecretKeySpec(keyBytes, "RAW");
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hmac.init(macKey);
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return hmac.doFinal(text);
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} catch (GeneralSecurityException gse) {
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throw new UndeclaredThrowableException(gse);
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}
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}
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/**
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* This method converts a HEX string to Byte[]
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*
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* @param hex: the HEX string
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*
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* @return: a byte array
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*/
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private static byte[] hexStr2Bytes(String hex){
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// Adding one byte to get the right conversion
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// Values starting with "0" can be converted
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byte[] bArray = new BigInteger("10" + hex,16).toByteArray();
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// Copy all the REAL bytes, not the "first"
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byte[] ret = new byte[bArray.length - 1];
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for (int i = 0; i < ret.length; i++)
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ret[i] = bArray[i+1];
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return ret;
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}
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private static final int[] DIGITS_POWER
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// 0 1 2 3 4 5 6 7 8
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= {1,10,100,1000,10000,100000,1000000,10000000,100000000 };
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/**
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* This method generates a TOTP value for the given
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* set of parameters.
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*
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* @param key: the shared secret, HEX encoded
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* @param time: a value that reflects a time
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* @param returnDigits: number of digits to return
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*
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* @return: a numeric String in base 10 that includes
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* {@link truncationDigits} digits
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*/
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public static String generateTOTP(String key,
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String time,
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String returnDigits){
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return generateTOTP(key, time, returnDigits, "HmacSHA1");
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}
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/**
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* This method generates a TOTP value for the given
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* set of parameters.
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*
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* @param key: the shared secret, HEX encoded
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* @param time: a value that reflects a time
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* @param returnDigits: number of digits to return
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*
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* @return: a numeric String in base 10 that includes
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* {@link truncationDigits} digits
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*/
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public static String generateTOTP256(String key,
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String time,
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String returnDigits){
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return generateTOTP(key, time, returnDigits, "HmacSHA256");
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}
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/**
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* This method generates a TOTP value for the given
|
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* set of parameters.
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*
|
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* @param key: the shared secret, HEX encoded
|
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* @param time: a value that reflects a time
|
||||
* @param returnDigits: number of digits to return
|
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*
|
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* @return: a numeric String in base 10 that includes
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* {@link truncationDigits} digits
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*/
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public static String generateTOTP512(String key,
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String time,
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String returnDigits){
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return generateTOTP(key, time, returnDigits, "HmacSHA512");
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}
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|
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/**
|
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* This method generates a TOTP value for the given
|
||||
* set of parameters.
|
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*
|
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* @param key: the shared secret, HEX encoded
|
||||
* @param time: a value that reflects a time
|
||||
* @param returnDigits: number of digits to return
|
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* @param crypto: the crypto function to use
|
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*
|
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* @return: a numeric String in base 10 that includes
|
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* {@link truncationDigits} digits
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*/
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public static String generateTOTP(String key,
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String time,
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String returnDigits,
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String crypto){
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int codeDigits = Integer.decode(returnDigits).intValue();
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String result = null;
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|
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// Using the counter
|
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// First 8 bytes are for the movingFactor
|
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// Compliant with base RFC 4226 (HOTP)
|
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while (time.length() < 16 )
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time = "0" + time;
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|
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// Get the HEX in a Byte[]
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byte[] msg = hexStr2Bytes(time);
|
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byte[] k = hexStr2Bytes(key);
|
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byte[] hash = hmac_sha(crypto, k, msg);
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|
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// put selected bytes into result int
|
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int offset = hash[hash.length - 1] & 0xf;
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|
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int binary =
|
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((hash[offset] & 0x7f) << 24) |
|
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((hash[offset + 1] & 0xff) << 16) |
|
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((hash[offset + 2] & 0xff) << 8) |
|
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(hash[offset + 3] & 0xff);
|
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|
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int otp = binary % DIGITS_POWER[codeDigits];
|
||||
|
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result = Integer.toString(otp);
|
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while (result.length() < codeDigits) {
|
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result = "0" + result;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,268 @@
|
|||
package cy.agorise.crystalwallet.util.yubikey
|
||||
|
||||
import android.nfc.tech.IsoDep
|
||||
import android.util.Base64
|
||||
//import com.yubico.yubioath.exc.AppletMissingException
|
||||
//import com.yubico.yubioath.exc.AppletSelectException
|
||||
//import com.yubico.yubioath.exc.StorageFullException
|
||||
//import com.yubico.yubioath.transport.ApduError
|
||||
//import com.yubico.yubioath.transport.Backend
|
||||
import java.io.Closeable
|
||||
import java.io.IOException
|
||||
import java.nio.ByteBuffer
|
||||
import java.security.MessageDigest
|
||||
|
||||
|
||||
class YkOathApi @Throws(IOException::class/*, AppletSelectException::class*/)
|
||||
constructor(private var tag: IsoDep) : Closeable {
|
||||
val deviceSalt: ByteArray
|
||||
val deviceInfo: DeviceInfo
|
||||
private var challenge = byteArrayOf()
|
||||
|
||||
init {
|
||||
//try {
|
||||
val resp = send(0xa4.toByte(), p1 = 0x04) { put(AID) }
|
||||
val version = Version.parse(resp.parseTlv(VERSION_TAG))
|
||||
deviceSalt = resp.parseTlv(NAME_TAG)
|
||||
val id = getDeviceId(deviceSalt)
|
||||
|
||||
if (resp.hasRemaining()) {
|
||||
challenge = resp.parseTlv(CHALLENGE_TAG)
|
||||
}
|
||||
|
||||
deviceInfo = DeviceInfo(id, false, version, challenge.isNotEmpty())
|
||||
/*} catch (e: ApduError) {
|
||||
throw AppletMissingException()
|
||||
}*/
|
||||
}
|
||||
|
||||
/* fun isLocked(): Boolean = challenge.isNotEmpty()
|
||||
|
||||
fun reselect() {
|
||||
send(0xa4.toByte(), p1 = 0x04) { put(AID) }.apply {
|
||||
parseTlv(VERSION_TAG)
|
||||
parseTlv(NAME_TAG)
|
||||
challenge = if (hasRemaining()) {
|
||||
parseTlv(CHALLENGE_TAG)
|
||||
} else byteArrayOf()
|
||||
}
|
||||
}
|
||||
|
||||
fun unlock(signer: ChallengeSigner): Boolean {
|
||||
val response = signer.sign(challenge)
|
||||
val myChallenge = ByteArray(8)
|
||||
val random = SecureRandom()
|
||||
random.nextBytes(myChallenge)
|
||||
val myResponse = signer.sign(myChallenge)
|
||||
|
||||
return try {
|
||||
val resp = send(VALIDATE_INS) {
|
||||
tlv(RESPONSE_TAG, response)
|
||||
tlv(CHALLENGE_TAG, myChallenge)
|
||||
}
|
||||
Arrays.equals(myResponse, resp.parseTlv(RESPONSE_TAG))
|
||||
} catch (e: ApduError) {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
fun setLockCode(secret: ByteArray) {
|
||||
val challenge = ByteArray(8)
|
||||
val random = SecureRandom()
|
||||
random.nextBytes(challenge)
|
||||
val response = Mac.getInstance("HmacSHA1").apply {
|
||||
init(SecretKeySpec(secret, algorithm))
|
||||
}.doFinal(challenge)
|
||||
|
||||
send(SET_CODE_INS) {
|
||||
tlv(KEY_TAG, byteArrayOf(OathType.TOTP.byteVal or Algorithm.SHA1.byteVal) + secret)
|
||||
tlv(CHALLENGE_TAG, challenge)
|
||||
tlv(RESPONSE_TAG, response)
|
||||
}
|
||||
deviceInfo.hasPassword = true
|
||||
}
|
||||
|
||||
fun unsetLockCode() {
|
||||
send(SET_CODE_INS) { tlv(KEY_TAG) }
|
||||
deviceInfo.hasPassword = false
|
||||
}*/
|
||||
|
||||
fun listCredentials(): List<String> {
|
||||
val resp = send(LIST_INS)
|
||||
|
||||
return mutableListOf<String>().apply {
|
||||
while (resp.hasRemaining()) {
|
||||
val nameBytes = resp.parseTlv(NAME_LIST_TAG)
|
||||
add(String(nameBytes, 1, nameBytes.size - 1)) //First byte is algorithm
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Throws(IOException::class)
|
||||
fun putCode(name: String, key: ByteArray, type: OathType, algorithm: Algorithm, digits: Byte, imf: Int, touch: Boolean) {
|
||||
//send(tag, 0xa4.toByte(), p1 = 0x04) { put(AID) }
|
||||
//if (touch && deviceInfo.version.major < 4) {
|
||||
// throw IllegalArgumentException("Require touch requires YubiKey 4")
|
||||
//}
|
||||
//try {
|
||||
send(PUT_INS) {
|
||||
tlv(NAME_TAG, name.toByteArray())
|
||||
tlv(KEY_TAG, byteArrayOf(type.byteVal or algorithm.byteVal, digits) + algorithm.prepareKey(key))
|
||||
if (touch) put(PROPERTY_TAG).put(REQUIRE_TOUCH_PROP)
|
||||
if (type == OathType.HOTP && imf > 0) put(IMF_TAG).put(4).putInt(imf)
|
||||
}
|
||||
//} catch (e: ApduError) {
|
||||
// throw if (e.status == APDU_FILE_FULL) StorageFullException("No more room for OATH credentials!") else e
|
||||
//}
|
||||
}
|
||||
|
||||
/*fun deleteCode(name: String) {
|
||||
send(DELETE_INS) { tlv(NAME_TAG, name.toByteArray()) }
|
||||
}*/
|
||||
|
||||
fun calculate(name: String, challenge: ByteArray, truncate: Boolean = true): ByteArray {
|
||||
val resp = send(CALCULATE_INS, p2 = if (truncate) 1 else 0) {
|
||||
tlv(NAME_TAG, name.toByteArray())
|
||||
tlv(CHALLENGE_TAG, challenge)
|
||||
}
|
||||
return resp.parseTlv(resp.slice().get())
|
||||
}
|
||||
|
||||
/*fun calculateAll(challenge: ByteArray): List<ResponseData> {
|
||||
val resp = send(CALCULATE_ALL_INS, p2 = 1) {
|
||||
tlv(CHALLENGE_TAG, challenge)
|
||||
}
|
||||
|
||||
return mutableListOf<ResponseData>().apply {
|
||||
while (resp.hasRemaining()) {
|
||||
val name = String(resp.parseTlv(NAME_TAG))
|
||||
val respType = resp.slice().get() // Peek
|
||||
val hashBytes = resp.parseTlv(respType)
|
||||
val oathType = if (respType == NO_RESPONSE_TAG) OathType.HOTP else OathType.TOTP
|
||||
val touch = respType == TOUCH_TAG
|
||||
|
||||
add(ResponseData(name, oathType, touch, hashBytes))
|
||||
}
|
||||
}
|
||||
}*/
|
||||
@Throws(IOException::class)
|
||||
private fun send(ins: Byte, p1: Byte = 0, p2: Byte = 0, data: ByteBuffer.() -> Unit = {}): ByteBuffer {
|
||||
val apdu = ByteBuffer.allocate(256).put(0).put(ins).put(p1).put(p2).put(0).apply(data).let {
|
||||
it.put(4, (it.position() - 5).toByte()).array().copyOfRange(0, it.position())
|
||||
}
|
||||
|
||||
return ByteBuffer.allocate(4096).apply {
|
||||
var resp = splitApduResponse(tag.transceive(apdu))
|
||||
while (resp.status != APDU_OK) {
|
||||
if ((resp.status shr 8).toByte() == APDU_DATA_REMAINING_SW1) {
|
||||
put(resp.data)
|
||||
resp = splitApduResponse(tag.transceive(byteArrayOf(0, SEND_REMAINING_INS, 0, 0)))
|
||||
} else {
|
||||
throw IOException(""+resp.status)
|
||||
}
|
||||
}
|
||||
put(resp.data).limit(position()).rewind()
|
||||
}
|
||||
}
|
||||
|
||||
override fun close() {
|
||||
/*backend.close()
|
||||
backend = object : Backend {
|
||||
override val persistent: Boolean = false
|
||||
override fun sendApdu(apdu: ByteArray): ByteArray = throw IOException("SENDING APDU ON CLOSED BACKEND!")
|
||||
override fun close() = throw IOException("Backend already closed!")
|
||||
}*/
|
||||
}
|
||||
|
||||
data class Version(val major: Int, val minor: Int, val micro: Int) {
|
||||
companion object {
|
||||
fun parse(data: ByteArray): Version = Version(data[0].toInt(), data[1].toInt(), data[2].toInt())
|
||||
}
|
||||
|
||||
override fun toString(): String = "%d.%d.%d".format(major, minor, micro)
|
||||
|
||||
fun compare(major: Int, minor: Int, micro: Int): Int {
|
||||
return if (major > this.major || (major == this.major && (minor > this.minor || minor == this.minor && micro > this.micro))) {
|
||||
-1
|
||||
} else if (major == this.major && minor == this.minor && micro == this.micro) {
|
||||
0
|
||||
} else {
|
||||
1
|
||||
}
|
||||
}
|
||||
|
||||
fun compare(version: Version): Int = compare(version.major, version.minor, version.micro)
|
||||
}
|
||||
|
||||
class DeviceInfo(val id: String, val persistent: Boolean, val version: Version, initialHasPassword: Boolean) {
|
||||
var hasPassword = initialHasPassword
|
||||
internal set
|
||||
}
|
||||
|
||||
class ResponseData(val key: String, val oathType: OathType, val touch: Boolean, val data: ByteArray)
|
||||
|
||||
private infix fun Byte.or(b: Byte): Byte = (toInt() or b.toInt()).toByte()
|
||||
|
||||
companion object {
|
||||
const private val APDU_OK = 0x9000
|
||||
const private val APDU_FILE_FULL = 0x6a84
|
||||
const private val APDU_DATA_REMAINING_SW1 = 0x61.toByte()
|
||||
|
||||
const private val NAME_TAG: Byte = 0x71
|
||||
const private val NAME_LIST_TAG: Byte = 0x72
|
||||
const private val KEY_TAG: Byte = 0x73
|
||||
const private val CHALLENGE_TAG: Byte = 0x74
|
||||
const private val RESPONSE_TAG: Byte = 0x75
|
||||
const private val T_RESPONSE_TAG: Byte = 0x76
|
||||
const private val NO_RESPONSE_TAG: Byte = 0x77
|
||||
const private val PROPERTY_TAG: Byte = 0x78
|
||||
const private val VERSION_TAG: Byte = 0x79
|
||||
const private val IMF_TAG: Byte = 0x7a
|
||||
const private val TOUCH_TAG: Byte = 0x7c
|
||||
|
||||
const private val ALWAYS_INCREASING_PROP: Byte = 0x01
|
||||
const private val REQUIRE_TOUCH_PROP: Byte = 0x02
|
||||
|
||||
const private val PUT_INS: Byte = 0x01
|
||||
const private val DELETE_INS: Byte = 0x02
|
||||
const private val SET_CODE_INS: Byte = 0x03
|
||||
const private val RESET_INS: Byte = 0x04
|
||||
|
||||
const private val LIST_INS = 0xa1.toByte()
|
||||
const private val CALCULATE_INS = 0xa2.toByte()
|
||||
const private val VALIDATE_INS = 0xa3.toByte()
|
||||
const private val CALCULATE_ALL_INS = 0xa4.toByte()
|
||||
const private val SEND_REMAINING_INS = 0xa5.toByte()
|
||||
|
||||
private val AID = byteArrayOf(0xa0.toByte(), 0x00, 0x00, 0x05, 0x27, 0x21, 0x01, 0x01)
|
||||
|
||||
private fun getDeviceId(id: ByteArray): String {
|
||||
val digest = MessageDigest.getInstance("SHA256").apply {
|
||||
update(id)
|
||||
}.digest()
|
||||
|
||||
return Base64.encodeToString(digest.sliceArray(0 until 16), Base64.NO_PADDING or Base64.NO_WRAP)
|
||||
}
|
||||
|
||||
@Throws(IOException::class)
|
||||
private fun ByteBuffer.parseTlv(tag: Byte): ByteArray {
|
||||
val readTag = get()
|
||||
if (readTag != tag) {
|
||||
throw IOException("Required tag: %02x, got %02x".format(tag, readTag))
|
||||
}
|
||||
return ByteArray(0xff and get().toInt()).apply { get(this) }
|
||||
}
|
||||
|
||||
private fun ByteBuffer.tlv(tag: Byte, data: ByteArray = byteArrayOf()): ByteBuffer {
|
||||
return put(tag).put(data.size.toByte()).put(data)
|
||||
}
|
||||
|
||||
private data class Response(val data: ByteArray, val status: Int)
|
||||
|
||||
private fun splitApduResponse(resp: ByteArray): Response {
|
||||
return Response(
|
||||
resp.copyOfRange(0, resp.size - 2),
|
||||
((0xff and resp[resp.size - 2].toInt()) shl 8) or (0xff and resp[resp.size - 1].toInt()))
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue