Examples with Transports com.google.u2f.server.data.SecurityKeyData.Transports used on opensource projects

Example 1 with Transports

use of com.google.u2f.server.data.SecurityKeyData.Transports in project OpenUnison by TremoloSecurity.

the class U2FServerUnison method getSignRequest.

@Override
public U2fSignRequest getSignRequest(String accountName, String appId) throws U2FException {
    if (log.isDebugEnabled()) {
        log.debug(">> getSignRequest " + accountName);
    }
    List<SecurityKeyData> securityKeyDataList = dataStore.getSecurityKeyData(accountName);
    byte[] challenge = challengeGenerator.generateChallenge(accountName);
    String challengeBase64 = Base64.encodeBase64URLSafeString(challenge);
    ImmutableList.Builder<RegisteredKey> registeredKeys = ImmutableList.builder();
    if (log.isDebugEnabled()) {
        log.debug("  challenge: " + Hex.encodeHexString(challenge));
    }
    for (SecurityKeyData securityKeyData : securityKeyDataList) {
        SignSessionData sessionData = new SignSessionData(accountName, appId, challenge, securityKeyData.getPublicKey());
        String sessionId = dataStore.storeSessionData(sessionData);
        byte[] keyHandle = securityKeyData.getKeyHandle();
        List<Transports> transports = securityKeyData.getTransports();
        if (log.isDebugEnabled()) {
            log.debug("-- Output --");
            log.debug("  sessionId: " + sessionId);
            log.debug("  keyHandle: " + Hex.encodeHexString(keyHandle));
        }
        String keyHandleBase64 = Base64.encodeBase64URLSafeString(keyHandle);
        if (log.isDebugEnabled()) {
            log.debug("<< getRegisteredKey " + accountName);
        }
        registeredKeys.add(new RegisteredKey(U2FConsts.U2F_V2, keyHandleBase64, transports, appId, sessionId));
    }
    return new U2fSignRequest(challengeBase64, registeredKeys.build());
}

Example 2 with Transports

use of com.google.u2f.server.data.SecurityKeyData.Transports in project OpenUnison by TremoloSecurity.

the class U2FServerUnison method processRegistrationResponse.

@Override
public SecurityKeyData processRegistrationResponse(RegistrationResponse registrationResponse, long currentTimeInMillis) throws U2FException {
    log.debug(">> processRegistrationResponse");
    String sessionId = registrationResponse.getSessionId();
    String clientDataBase64 = registrationResponse.getClientData();
    String rawRegistrationDataBase64 = registrationResponse.getRegistrationData();
    log.debug(">> rawRegistrationDataBase64: " + rawRegistrationDataBase64);
    EnrollSessionData sessionData = dataStore.getEnrollSessionData(sessionId);
    if (sessionData == null) {
        throw new U2FException("Unknown session_id");
    }
    String appId = sessionData.getAppId();
    String clientData = new String(Base64.decodeBase64(clientDataBase64));
    byte[] rawRegistrationData = Base64.decodeBase64(rawRegistrationDataBase64);
    if (log.isDebugEnabled()) {
        log.debug("-- Input --");
        log.debug("  sessionId: " + sessionId);
        log.debug("  challenge: " + Hex.encodeHexString(sessionData.getChallenge()));
        log.debug("  accountName: " + sessionData.getAccountName());
        log.debug("  clientData: " + clientData);
        log.debug("  rawRegistrationData: " + Hex.encodeHexString(rawRegistrationData));
    }
    RegisterResponse registerResponse = RawMessageCodec.decodeRegisterResponse(rawRegistrationData);
    byte[] userPublicKey = registerResponse.getUserPublicKey();
    byte[] keyHandle = registerResponse.getKeyHandle();
    X509Certificate attestationCertificate = registerResponse.getAttestationCertificate();
    byte[] signature = registerResponse.getSignature();
    List<Transports> transports = null;
    try {
        transports = U2fAttestation.Parse(attestationCertificate).getTransports();
    } catch (CertificateParsingException e) {
        log.warn("Could not parse transports extension " + e.getMessage());
    }
    if (log.isDebugEnabled()) {
        log.debug("-- Parsed rawRegistrationResponse --");
        log.debug("  userPublicKey: " + Hex.encodeHexString(userPublicKey));
        log.debug("  keyHandle: " + Hex.encodeHexString(keyHandle));
        log.debug("  attestationCertificate: " + attestationCertificate.toString());
        log.debug("  transports: " + transports);
        try {
            log.debug("  attestationCertificate bytes: " + Hex.encodeHexString(attestationCertificate.getEncoded()));
        } catch (CertificateEncodingException e) {
            throw new U2FException("Cannot encode certificate", e);
        }
        log.debug("  signature: " + Hex.encodeHexString(signature));
    }
    byte[] appIdSha256 = crypto.computeSha256(appId.getBytes());
    byte[] clientDataSha256 = crypto.computeSha256(clientData.getBytes());
    byte[] signedBytes = RawMessageCodec.encodeRegistrationSignedBytes(appIdSha256, clientDataSha256, keyHandle, userPublicKey);
    Set<X509Certificate> trustedCertificates = dataStore.getTrustedCertificates();
    boolean found = false;
    for (X509Certificate trusted : trustedCertificates) {
        try {
            attestationCertificate.verify(trusted.getPublicKey());
            found = true;
        } catch (InvalidKeyException | CertificateException | NoSuchAlgorithmException | NoSuchProviderException | SignatureException e) {
        }
    }
    if (!found) {
        if (!this.requireAttestation) {
            log.warn("attestion cert is not trusted");
        } else {
            throw new U2FException("Attestation certificate is not trusted");
        }
    }
    verifyBrowserData(new JsonParser().parse(clientData), "navigator.id.finishEnrollment", sessionData);
    if (log.isDebugEnabled()) {
        log.debug("Verifying signature of bytes " + Hex.encodeHexString(signedBytes));
    }
    if (!crypto.verifySignature(attestationCertificate, signedBytes, signature)) {
        throw new U2FException("Signature is invalid");
    }
    // The first time we create the SecurityKeyData, we set the counter value to 0.
    // We don't actually know what the counter value of the real device is - but it will
    // be something bigger (or equal) to 0, so subsequent signatures will check out ok.
    SecurityKeyData securityKeyData = new SecurityKeyData(currentTimeInMillis, transports, keyHandle, userPublicKey, attestationCertificate, /* initial counter value */
    0);
    dataStore.addSecurityKeyData(sessionData.getAccountName(), securityKeyData);
    if (log.isDebugEnabled()) {
        log.debug("<< processRegistrationResponse");
    }
    return securityKeyData;
}

Example 3 with Transports

use of com.google.u2f.server.data.SecurityKeyData.Transports in project OpenUnison by TremoloSecurity.

the class U2FServerReferenceImpl method getSignRequest.

@Override
public U2fSignRequest getSignRequest(String accountName, String appId) throws U2FException {
    Log.info(">> getSignRequest " + accountName);
    List<SecurityKeyData> securityKeyDataList = dataStore.getSecurityKeyData(accountName);
    byte[] challenge = challengeGenerator.generateChallenge(accountName);
    String challengeBase64 = Base64.encodeBase64URLSafeString(challenge);
    ImmutableList.Builder<RegisteredKey> registeredKeys = ImmutableList.builder();
    Log.info("  challenge: " + Hex.encodeHexString(challenge));
    for (SecurityKeyData securityKeyData : securityKeyDataList) {
        SignSessionData sessionData = new SignSessionData(accountName, appId, challenge, securityKeyData.getPublicKey());
        String sessionId = dataStore.storeSessionData(sessionData);
        byte[] keyHandle = securityKeyData.getKeyHandle();
        List<Transports> transports = securityKeyData.getTransports();
        Log.info("-- Output --");
        Log.info("  sessionId: " + sessionId);
        Log.info("  keyHandle: " + Hex.encodeHexString(keyHandle));
        String keyHandleBase64 = Base64.encodeBase64URLSafeString(keyHandle);
        Log.info("<< getRegisteredKey " + accountName);
        registeredKeys.add(new RegisteredKey(U2FConsts.U2F_V2, keyHandleBase64, transports, appId, sessionId));
    }
    return new U2fSignRequest(challengeBase64, registeredKeys.build());
}

Example 4 with Transports

use of com.google.u2f.server.data.SecurityKeyData.Transports in project OpenUnison by TremoloSecurity.

the class U2fAttestation method Parse.

/**
 * Parses a transport extension from an attestation certificate and returns
 * a List of HardwareFeatures supported by the security key. The specification of
 * the HardwareFeatures in the certificate should match their internal definition in
 * device_auth.proto
 *
 * <p>The expected transport extension value is a BIT STRING containing the enabled
 * transports:
 *
 *  <p>FIDOU2FTransports ::= BIT STRING {
 *       bluetoothRadio(0), -- Bluetooth Classic
 *       bluetoothLowEnergyRadio(1),
 *       uSB(2),
 *       nFC(3)
 *     }
 *
 *   <p>Note that the BIT STRING must be wrapped in an OCTET STRING.
 *   An extension that encodes BT, BLE, and NFC then looks as follows:
 *
 *   <p>SEQUENCE (2 elem)
 *      OBJECT IDENTIFIER 1.3.6.1.4.1.45724.2.1.1
 *      OCTET STRING (1 elem)
 *        BIT STRING (4 bits) 1101
 *
 * @param cert the certificate to parse for extension
 * @return the supported transports as a List of HardwareFeatures or null if no extension
 * was found
 * @throws CertificateParsingException
 */
public static U2fAttestation Parse(X509Certificate cert) throws CertificateParsingException {
    ASN1OctetString extValue = X509ExtensionParsingUtil.extractExtensionValue(cert, TRANSPORT_EXTENSION_OID);
    if (extValue == null) {
        // No Transport extension was found
        return new U2fAttestation(null);
    }
    // Read out the BitString
    ASN1Object asn1Object = X509ExtensionParsingUtil.getAsn1Object(extValue.getOctets());
    if (asn1Object == null || !(asn1Object instanceof DERBitString)) {
        throw new CertificateParsingException("No BitString found in transports extension");
    }
    DERBitString bitString = (DERBitString) asn1Object;
    byte[] values = bitString.getBytes();
    BitSet bitSet = BitSet.valueOf(values);
    // We might have more defined transports than used by the extension
    List<Transports> transports = new ArrayList<Transports>();
    for (int i = 0; i < BITS_IN_A_BYTE; i++) {
        if (bitSet.get(BITS_IN_A_BYTE - i - 1)) {
            transports.add(Transports.values()[i]);
        }
    }
    return new U2fAttestation(transports);
}

Example 5 with Transports

use of com.google.u2f.server.data.SecurityKeyData.Transports in project OpenUnison by TremoloSecurity.

the class U2FServerReferenceImpl method processRegistrationResponse.

@Override
public SecurityKeyData processRegistrationResponse(RegistrationResponse registrationResponse, long currentTimeInMillis) throws U2FException {
    Log.info(">> processRegistrationResponse");
    String sessionId = registrationResponse.getSessionId();
    String clientDataBase64 = registrationResponse.getClientData();
    String rawRegistrationDataBase64 = registrationResponse.getRegistrationData();
    Log.info(">> rawRegistrationDataBase64: " + rawRegistrationDataBase64);
    EnrollSessionData sessionData = dataStore.getEnrollSessionData(sessionId);
    if (sessionData == null) {
        throw new U2FException("Unknown session_id");
    }
    String appId = sessionData.getAppId();
    String clientData = new String(Base64.decodeBase64(clientDataBase64));
    byte[] rawRegistrationData = Base64.decodeBase64(rawRegistrationDataBase64);
    Log.info("-- Input --");
    Log.info("  sessionId: " + sessionId);
    Log.info("  challenge: " + Hex.encodeHexString(sessionData.getChallenge()));
    Log.info("  accountName: " + sessionData.getAccountName());
    Log.info("  clientData: " + clientData);
    Log.info("  rawRegistrationData: " + Hex.encodeHexString(rawRegistrationData));
    RegisterResponse registerResponse = RawMessageCodec.decodeRegisterResponse(rawRegistrationData);
    byte[] userPublicKey = registerResponse.getUserPublicKey();
    byte[] keyHandle = registerResponse.getKeyHandle();
    X509Certificate attestationCertificate = registerResponse.getAttestationCertificate();
    byte[] signature = registerResponse.getSignature();
    List<Transports> transports = null;
    try {
        transports = U2fAttestation.Parse(attestationCertificate).getTransports();
    } catch (CertificateParsingException e) {
        Log.warning("Could not parse transports extension " + e.getMessage());
    }
    Log.info("-- Parsed rawRegistrationResponse --");
    Log.info("  userPublicKey: " + Hex.encodeHexString(userPublicKey));
    Log.info("  keyHandle: " + Hex.encodeHexString(keyHandle));
    Log.info("  attestationCertificate: " + attestationCertificate.toString());
    Log.info("  transports: " + transports);
    try {
        Log.info("  attestationCertificate bytes: " + Hex.encodeHexString(attestationCertificate.getEncoded()));
    } catch (CertificateEncodingException e) {
        throw new U2FException("Cannot encode certificate", e);
    }
    Log.info("  signature: " + Hex.encodeHexString(signature));
    byte[] appIdSha256 = crypto.computeSha256(appId.getBytes());
    byte[] clientDataSha256 = crypto.computeSha256(clientData.getBytes());
    byte[] signedBytes = RawMessageCodec.encodeRegistrationSignedBytes(appIdSha256, clientDataSha256, keyHandle, userPublicKey);
    Set<X509Certificate> trustedCertificates = dataStore.getTrustedCertificates();
    if (!trustedCertificates.contains(attestationCertificate)) {
        Log.warning("attestion cert is not trusted");
    }
    verifyBrowserData(new JsonParser().parse(clientData), "navigator.id.finishEnrollment", sessionData);
    Log.info("Verifying signature of bytes " + Hex.encodeHexString(signedBytes));
    if (!crypto.verifySignature(attestationCertificate, signedBytes, signature)) {
        throw new U2FException("Signature is invalid");
    }
    // The first time we create the SecurityKeyData, we set the counter value to 0.
    // We don't actually know what the counter value of the real device is - but it will
    // be something bigger (or equal) to 0, so subsequent signatures will check out ok.
    SecurityKeyData securityKeyData = new SecurityKeyData(currentTimeInMillis, transports, keyHandle, userPublicKey, attestationCertificate, /* initial counter value */
    0);
    dataStore.addSecurityKeyData(sessionData.getAccountName(), securityKeyData);
    Log.info("<< processRegistrationResponse");
    return securityKeyData;
}