Esempio n. 1
0
  public static void main(String args[]) throws Exception {
    // 参数
    String cacert = args[0];
    String lfcert = args[1];
    // CA "Xu Yingxiao"的证书
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    FileInputStream in1 = new FileInputStream(cacert);
    java.security.cert.Certificate cac = cf.generateCertificate(in1);
    in1.close();
    // 用户"Liu Fang"的签名证书
    FileInputStream in2 = new FileInputStream(lfcert);
    java.security.cert.Certificate lfc = cf.generateCertificate(in2);
    in2.close();

    PublicKey pbk = cac.getPublicKey();
    boolean pass = false;
    try {
      lfc.verify(pbk);
      pass = true;
    } catch (Exception e) {
      pass = false;
      System.out.println(e);
    }
    if (pass) {
      System.out.println("The Certificate is signed by the CA Xu Yingxiao");
    } else {
      System.out.println("!!!The Certificate is not signed by the CA Xu Yingxiao");
    }
  }
Esempio n. 2
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  /**
   * Callback method from _scanKeychain. If a trusted certificate is found, this method will be
   * called.
   */
  private void createTrustedCertEntry(
      String alias, long keychainItemRef, long creationDate, byte[] derStream) {
    TrustedCertEntry tce = new TrustedCertEntry();

    try {
      CertificateFactory cf = CertificateFactory.getInstance("X.509");
      InputStream input = new ByteArrayInputStream(derStream);
      X509Certificate cert = (X509Certificate) cf.generateCertificate(input);
      input.close();
      tce.cert = cert;
      tce.certRef = keychainItemRef;

      // Make a creation date.
      if (creationDate != 0) tce.date = new Date(creationDate);
      else tce.date = new Date();

      int uniqueVal = 1;
      String originalAlias = alias;

      while (entries.containsKey(alias.toLowerCase())) {
        alias = originalAlias + " " + uniqueVal;
        uniqueVal++;
      }

      entries.put(alias.toLowerCase(), tce);
    } catch (Exception e) {
      // The certificate will be skipped.
      System.err.println("KeychainStore Ignored Exception: " + e);
    }
  }
Esempio n. 3
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  /**
   * Callback method from _scanKeychain. If an identity is found, this method will be called to
   * create Java certificate and private key objects from the keychain data.
   */
  private void createKeyEntry(
      String alias,
      long creationDate,
      long secKeyRef,
      long[] secCertificateRefs,
      byte[][] rawCertData)
      throws IOException, NoSuchAlgorithmException, UnrecoverableKeyException {
    KeyEntry ke = new KeyEntry();

    // First, store off the private key information.  This is the easy part.
    ke.protectedPrivKey = null;
    ke.keyRef = secKeyRef;

    // Make a creation date.
    if (creationDate != 0) ke.date = new Date(creationDate);
    else ke.date = new Date();

    // Next, create X.509 Certificate objects from the raw data.  This is complicated
    // because a certificate's public key may be too long for Java's default encryption strength.
    List<CertKeychainItemPair> createdCerts = new ArrayList<>();

    try {
      CertificateFactory cf = CertificateFactory.getInstance("X.509");

      for (int i = 0; i < rawCertData.length; i++) {
        try {
          InputStream input = new ByteArrayInputStream(rawCertData[i]);
          X509Certificate cert = (X509Certificate) cf.generateCertificate(input);
          input.close();

          // We successfully created the certificate, so track it and its corresponding
          // SecCertificateRef.
          createdCerts.add(new CertKeychainItemPair(secCertificateRefs[i], cert));
        } catch (CertificateException e) {
          // The certificate will be skipped.
          System.err.println("KeychainStore Ignored Exception: " + e);
        }
      }
    } catch (CertificateException e) {
      e.printStackTrace();
    } catch (IOException ioe) {
      ioe.printStackTrace(); // How would this happen?
    }

    // We have our certificates in the List, so now extract them into an array of
    // Certificates and SecCertificateRefs.
    CertKeychainItemPair[] objArray = createdCerts.toArray(new CertKeychainItemPair[0]);
    Certificate[] certArray = new Certificate[objArray.length];
    long[] certRefArray = new long[objArray.length];

    for (int i = 0; i < objArray.length; i++) {
      CertKeychainItemPair addedItem = objArray[i];
      certArray[i] = addedItem.mCert;
      certRefArray[i] = addedItem.mCertificateRef;
    }

    ke.chain = certArray;
    ke.chainRefs = certRefArray;

    // If we don't have already have an item with this item's alias
    // create a new one for it.
    int uniqueVal = 1;
    String originalAlias = alias;

    while (entries.containsKey(alias.toLowerCase())) {
      alias = originalAlias + " " + uniqueVal;
      uniqueVal++;
    }

    entries.put(alias.toLowerCase(), ke);
  }
Esempio n. 4
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 // The X.509 certificate factory
 public static CertificateFactory X509CertFactory() throws CertificateException {
   return CertificateFactory.getInstance("X.509");
 }
Esempio n. 5
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  public static void main(String[] args) throws Exception {
    // Get a CertificateFactory for various tests
    CF = CertificateFactory.getInstance("X509");
    ByteArrayInputStream bais = new ByteArrayInputStream(readFile("int.crt").getBytes());
    X509Certificate intCA = (X509Certificate) CF.generateCertificate(bais);
    System.out.println(
        "Successfully instantiated CA cert \"" + intCA.getSubjectX500Principal() + "\"");

    CertId cid0x1500 = new CertId(intCA, new SerialNumber(0x1500));
    boolean noFailures = true;

    OCSPResponse.SingleResponse sr = getSRByFilename("ocsp-good-nonext.resp", cid0x1500);
    noFailures &= checkSingleExts(sr, 0);

    if (sr.getRevocationTime() != null) {
      throw new RuntimeException("Oops. revocationTime is non-null " + sr.getRevocationTime());
    } else if (sr.getRevocationReason() != null) {
      throw new RuntimeException("Oops. revocationReason is non-null " + sr.getRevocationReason());
    }

    sr = getSRByFilename("ocsp-good-withnext.resp", cid0x1500);
    noFailures &= checkSingleExts(sr, 0);

    sr = getSRByFilename("ocsp-good-witharchcut.resp", cid0x1500);
    noFailures &= checkSingleExts(sr, 1);

    sr = getSRByFilename("ocsp-rev-nocerts.resp", cid0x1500);
    noFailures &= checkSingleExts(sr, 1);

    sr = getSRByFilename("ocsp-rev-nonext-noinv.resp", cid0x1500);
    noFailures &= checkSingleExts(sr, 0);

    sr = getSRByFilename("ocsp-rev-withnext-noinv.resp", cid0x1500);
    noFailures &= checkSingleExts(sr, 0);

    sr = getSRByFilename("ocsp-rev-nonext-withinv.resp", cid0x1500);
    noFailures &= checkSingleExts(sr, 1);

    sr = getSRByFilename("ocsp-rev-withnext-withinv.resp", cid0x1500);
    noFailures &= checkSingleExts(sr, 1);

    try {
      sr = getSRByFilename("ocsp-rev-twonext.resp", cid0x1500);
      System.out.println("FAIL: Allowed two nextUpdate fields");
      noFailures = false;
    } catch (IOException ioe) {
      System.out.println("Caught expected exception: " + ioe);
    }

    try {
      sr = getSRByFilename("ocsp-rev-bad-sr-tag.resp", cid0x1500);
      System.out.println("FAIL: Allowed invalid singleResponse item");
      noFailures = false;
    } catch (IOException ioe) {
      System.out.println("Caught expected exception: " + ioe);
    }

    try {
      sr = getSRByFilename("ocsp-rev-sr-cont-reverse.resp", cid0x1500);
      System.out.println("FAIL: Allowed reversed " + "nextUpdate/singleExtensions");
      noFailures = false;
    } catch (IOException ioe) {
      System.out.println("Caught expected exception: " + ioe);
    }

    if (!noFailures) {
      throw new RuntimeException("One or more tests failed");
    }
  }
Esempio n. 6
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  /**
   * Uses the provided PKI method to find the corresponding public key and verify the provided
   * signature. Returns null if no PKI method was specified in the {@link Protos.PaymentRequest}.
   */
  public @Nullable PkiVerificationData verifyPki() throws PaymentRequestException {
    try {
      if (pkiVerificationData != null) return pkiVerificationData;
      if (paymentRequest.getPkiType().equals("none"))
        // Nothing to verify. Everything is fine. Move along.
        return null;

      String algorithm;
      if (paymentRequest.getPkiType().equals("x509+sha256")) algorithm = "SHA256withRSA";
      else if (paymentRequest.getPkiType().equals("x509+sha1")) algorithm = "SHA1withRSA";
      else
        throw new PaymentRequestException.InvalidPkiType(
            "Unsupported PKI type: " + paymentRequest.getPkiType());

      Protos.X509Certificates protoCerts =
          Protos.X509Certificates.parseFrom(paymentRequest.getPkiData());
      if (protoCerts.getCertificateCount() == 0)
        throw new PaymentRequestException.InvalidPkiData(
            "No certificates provided in message: server config error");

      // Parse the certs and turn into a certificate chain object. Cert factories can parse both DER
      // and base64.
      // The ordering of certificates is defined by the payment protocol spec to be the same as what
      // the Java
      // crypto API requires - convenient!
      CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
      List<X509Certificate> certs = Lists.newArrayList();
      for (ByteString bytes : protoCerts.getCertificateList())
        certs.add((X509Certificate) certificateFactory.generateCertificate(bytes.newInput()));
      CertPath path = certificateFactory.generateCertPath(certs);

      // Retrieves the most-trusted CAs from keystore.
      PKIXParameters params = new PKIXParameters(createKeyStore(trustStorePath));
      // Revocation not supported in the current version.
      params.setRevocationEnabled(false);

      // Now verify the certificate chain is correct and trusted. This let's us get an identity
      // linked pubkey.
      CertPathValidator validator = CertPathValidator.getInstance("PKIX");
      PKIXCertPathValidatorResult result =
          (PKIXCertPathValidatorResult) validator.validate(path, params);
      PublicKey publicKey = result.getPublicKey();
      // OK, we got an identity, now check it was used to sign this message.
      Signature signature = Signature.getInstance(algorithm);
      // Note that we don't use signature.initVerify(certs.get(0)) here despite it being the most
      // obvious
      // way to set it up, because we don't care about the constraints specified on the
      // certificates: any
      // cert that links a key to a domain name or other identity will do for us.
      signature.initVerify(publicKey);
      Protos.PaymentRequest.Builder reqToCheck = paymentRequest.toBuilder();
      reqToCheck.setSignature(ByteString.EMPTY);
      signature.update(reqToCheck.build().toByteArray());
      if (!signature.verify(paymentRequest.getSignature().toByteArray()))
        throw new PaymentRequestException.PkiVerificationException(
            "Invalid signature, this payment request is not valid.");

      // Signature verifies, get the names from the identity we just verified for presentation to
      // the user.
      X500Principal principal = certs.get(0).getSubjectX500Principal();
      // At this point the Java crypto API falls flat on its face and dies - there's no clean way to
      // get the
      // different parts of the certificate name except for parsing the string. That's hard because
      // of various
      // custom escaping rules and the usual crap. So, use Bouncy Castle to re-parse the string into
      // binary form
      // again and then look for the names we want. Fail!
      org.spongycastle.asn1.x500.X500Name name = new X500Name(principal.getName());
      String entityName = null, orgName = null;
      for (RDN rdn : name.getRDNs()) {
        AttributeTypeAndValue pair = rdn.getFirst();
        if (pair.getType().equals(RFC4519Style.cn))
          entityName = ((ASN1String) pair.getValue()).getString();
        else if (pair.getType().equals(RFC4519Style.o))
          orgName = ((ASN1String) pair.getValue()).getString();
      }
      if (entityName == null && orgName == null)
        throw new PaymentRequestException.PkiVerificationException(
            "Invalid certificate, no CN or O fields");
      // Everything is peachy. Return some useful data to the caller.
      PkiVerificationData data =
          new PkiVerificationData(entityName, orgName, publicKey, result.getTrustAnchor());
      // Cache the result so we don't have to re-verify if this method is called again.
      pkiVerificationData = data;
      return data;
    } catch (InvalidProtocolBufferException e) {
      // Data structures are malformed.
      throw new PaymentRequestException.InvalidPkiData(e);
    } catch (CertificateException e) {
      // The X.509 certificate data didn't parse correctly.
      throw new PaymentRequestException.PkiVerificationException(e);
    } catch (NoSuchAlgorithmException e) {
      // Should never happen so don't make users have to think about it. PKIX is always present.
      throw new RuntimeException(e);
    } catch (InvalidAlgorithmParameterException e) {
      throw new RuntimeException(e);
    } catch (CertPathValidatorException e) {
      // The certificate chain isn't known or trusted, probably, the server is using an SSL root we
      // don't
      // know about and the user needs to upgrade to a new version of the software (or import a root
      // cert).
      throw new PaymentRequestException.PkiVerificationException(e);
    } catch (InvalidKeyException e) {
      // Shouldn't happen if the certs verified correctly.
      throw new PaymentRequestException.PkiVerificationException(e);
    } catch (SignatureException e) {
      // Something went wrong during hashing (yes, despite the name, this does not mean the sig was
      // invalid).
      throw new PaymentRequestException.PkiVerificationException(e);
    } catch (IOException e) {
      throw new PaymentRequestException.PkiVerificationException(e);
    } catch (KeyStoreException e) {
      throw new RuntimeException(e);
    }
  }