Example usage for java.security.interfaces RSAPublicKey getPublicExponent

List of usage examples for java.security.interfaces RSAPublicKey getPublicExponent

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Introduction

In this page you can find the example usage for java.security.interfaces RSAPublicKey getPublicExponent.

Prototype

public BigInteger getPublicExponent();

Source Link

Document

Returns the public exponent.

Usage

From source file:com.verisignlabs.dnssec.cl.KeyInfoTool.java

public void execute() throws Exception {
    for (int i = 0; i < state.keynames.length; ++i) {
        String keyname = state.keynames[i];
        DnsKeyPair key = BINDKeyUtils.loadKey(keyname, null);
        DNSKEYRecord dnskey = key.getDNSKEYRecord();
        DnsKeyAlgorithm dnskeyalg = DnsKeyAlgorithm.getInstance();

        boolean isSEP = (dnskey.getFlags() & DNSKEYRecord.Flags.SEP_KEY) != 0;

        System.out.println(keyname + ":");
        System.out.println("Name: " + dnskey.getName());
        System.out.println("SEP: " + isSEP);

        System.out.println("Algorithm: " + dnskeyalg.algToString(dnskey.getAlgorithm()) + " ("
                + dnskey.getAlgorithm() + ")");
        System.out.println("ID: " + dnskey.getFootprint());
        System.out.println("KeyFileBase: " + BINDKeyUtils.keyFileBase(key));
        int basetype = dnskeyalg.baseType(dnskey.getAlgorithm());
        switch (basetype) {
        case DnsKeyAlgorithm.RSA: {
            RSAPublicKey pub = (RSAPublicKey) key.getPublic();
            System.out.println("RSA Public Exponent: " + pub.getPublicExponent());
            System.out.println("RSA Modulus: " + pub.getModulus());
            break;
        }//ww  w .j av a 2 s .  c om
        case DnsKeyAlgorithm.DSA: {
            DSAPublicKey pub = (DSAPublicKey) key.getPublic();
            System.out.println("DSA base (G): " + pub.getParams().getG());
            System.out.println("DSA prime (P): " + pub.getParams().getP());
            System.out.println("DSA subprime (Q): " + pub.getParams().getQ());
            System.out.println("DSA public (Y): " + pub.getY());
            break;
        }
        }
        if (state.keynames.length - i > 1) {
            System.out.println();
        }
    }
}

From source file:org.ejbca.util.keystore.KeyTools.java

/**
 * Gets the key AlgorithmParameterSpec of supported keys. Can be used to initialize a KeyPairGenerator to generate a key of equal type and size.
 * @param pk PublicKey used to derive the AlgorithmParameterSpec
 * @return null if key is unsupported or pk is null, otherwise a AlgorithmParameterSpec.
 *//* w  ww. j a va2s .c  om*/
public static AlgorithmParameterSpec getKeyGenSpec(final PublicKey pk) {
    if (pk == null) {
        return null;
    }
    AlgorithmParameterSpec ret = null;
    if (pk instanceof RSAPublicKey) {
        log.debug("getKeyGenSpec: RSA");
        final RSAPublicKey rpk = (RSAPublicKey) pk;
        ret = new RSAKeyGenParameterSpec(getKeyLength(pk), rpk.getPublicExponent());
    } else if (pk instanceof DSAPublicKey) {
        log.debug("getKeyGenSpec: DSA");
        final DSAPublicKey dpk = (DSAPublicKey) pk;
        final DSAParams params = dpk.getParams();
        ret = new DSAParameterSpec(params.getP(), params.getQ(), params.getG());
    } else if (pk instanceof ECPublicKey) {
        log.debug("getKeyGenSpec: ECPublicKey");
        final ECPublicKey ecpub = (ECPublicKey) pk;
        final java.security.spec.ECParameterSpec sunsp = ecpub.getParams();
        final EllipticCurve ecurve = new EllipticCurve(sunsp.getCurve().getField(), sunsp.getCurve().getA(),
                sunsp.getCurve().getB());
        //ECParameterSpec par = new ECNamedCurveSpec(null, sunsp.getCurve(), sunsp.getGenerator(), sunsp.getOrder(), BigInteger.valueOf(sunsp.getCofactor()));
        final ECParameterSpec params = new ECParameterSpec(ecurve, sunsp.getGenerator(), sunsp.getOrder(),
                sunsp.getCofactor());
        if (log.isDebugEnabled()) {
            log.debug("Fieldsize: " + params.getCurve().getField().getFieldSize());
            final EllipticCurve curve = params.getCurve();
            log.debug("CurveA: " + curve.getA().toString(16));
            log.debug("CurveB: " + curve.getB().toString(16));
            log.debug("CurveSeed: " + curve.getSeed());
            final ECFieldFp field = (ECFieldFp) curve.getField();
            log.debug("CurveSfield: " + field.getP().toString(16));
            final ECPoint p = params.getGenerator();
            log.debug("Generator: " + p.getAffineX().toString(16) + ", " + p.getAffineY().toString(16));
            log.debug("Order: " + params.getOrder().toString(16));
            log.debug("CoFactor: " + params.getCofactor());
        }
        ret = params;
    } else if (pk instanceof JCEECPublicKey) {
        log.debug("getKeyGenSpec: JCEECPublicKey");
        final JCEECPublicKey ecpub = (JCEECPublicKey) pk;
        final org.bouncycastle.jce.spec.ECParameterSpec bcsp = ecpub.getParameters();
        final ECCurve curve = bcsp.getCurve();
        //TODO: this probably does not work for key generation with the Sun PKCS#11 provider. Maybe seed needs to be set to null as above? Or something else, the BC curve is it the same?
        final ECParameterSpec params = new ECNamedCurveSpec(null, curve, bcsp.getG(), bcsp.getN(), bcsp.getH());
        ret = params;
        //EllipticCurve ecc = new EllipticCurve(curve.)
        //ECParameterSpec sp = new ECParameterSpec(, bcsp.getG(), bcsp.getN(), bcsp.getH().intValue());
    }
    return ret;
}

From source file:net.shopxx.controller.admin.LoginController.java

@RequestMapping
public String index(HttpServletRequest request, ModelMap model) {
    String loginToken = WebUtils.getCookie(request, Admin.LOGIN_TOKEN_COOKIE_NAME);
    if (!StringUtils.equalsIgnoreCase(loginToken, adminService.getLoginToken())) {
        return "redirect:/";
    }/*from w ww  .  j  a v a  2  s  . c o  m*/
    if (adminService.isAuthenticated()) {
        return "redirect:common/main.jhtml";
    }
    Message failureMessage = null;
    String loginFailure = (String) request
            .getAttribute(FormAuthenticationFilter.DEFAULT_ERROR_KEY_ATTRIBUTE_NAME);
    if (StringUtils.isNotEmpty(loginFailure)) {
        if (loginFailure.equals("net.shopxx.exception.IncorrectCaptchaException")) {
            failureMessage = Message.error("admin.captcha.invalid");
        } else if (loginFailure.equals("org.apache.shiro.authc.UnknownAccountException")) {
            failureMessage = Message.error("admin.login.unknownAccount");
        } else if (loginFailure.equals("org.apache.shiro.authc.DisabledAccountException")) {
            failureMessage = Message.error("admin.login.disabledAccount");
        } else if (loginFailure.equals("org.apache.shiro.authc.LockedAccountException")) {
            failureMessage = Message.error("admin.login.lockedAccount");
        } else if (loginFailure.equals("org.apache.shiro.authc.IncorrectCredentialsException")) {
            Setting setting = SystemUtils.getSetting();
            if (ArrayUtils.contains(setting.getAccountLockTypes(), Setting.AccountLockType.admin)) {
                failureMessage = Message.error("admin.login.accountLockCount", setting.getAccountLockCount());
            } else {
                failureMessage = Message.error("admin.login.incorrectCredentials");
            }
        } else if (loginFailure.equals("net.shopxx.exception.IncorrectLicenseException")) {
            failureMessage = Message.error("admin.login.incorrectLicense");
        } else if (loginFailure.equals("org.apache.shiro.authc.AuthenticationException")) {
            failureMessage = Message.error("admin.login.authentication");
        }
    }
    RSAPublicKey publicKey = rsaService.generateKey(request);
    model.addAttribute("modulus", Base64.encodeBase64String(publicKey.getModulus().toByteArray()));
    model.addAttribute("exponent", Base64.encodeBase64String(publicKey.getPublicExponent().toByteArray()));
    model.addAttribute("captchaId", UUID.randomUUID().toString());
    model.addAttribute("failureMessage", failureMessage);
    return "/admin/login/index";
}

From source file:org.mitre.openid.connect.view.JwkKeyListView.java

@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    Gson gson = new GsonBuilder().setExclusionStrategies(new ExclusionStrategy() {

        public boolean shouldSkipField(FieldAttributes f) {

            return false;
        }//www.  jav  a  2s.  c  o m

        public boolean shouldSkipClass(Class<?> clazz) {
            // skip the JPA binding wrapper
            if (clazz.equals(BeanPropertyBindingResult.class)) {
                return true;
            }
            return false;
        }

    }).create();

    response.setContentType("application/json");

    Writer out = response.getWriter();

    //BiMap<String, PublicKey> keyMap = (BiMap<String, PublicKey>) model.get("keys");
    Map<String, JwtSigner> signers = (Map<String, JwtSigner>) model.get("signers");

    JsonObject obj = new JsonObject();
    JsonArray keys = new JsonArray();
    obj.add("keys", keys);

    for (String keyId : signers.keySet()) {

        JwtSigner src = signers.get(keyId);

        if (src instanceof RsaSigner) {

            RsaSigner rsaSigner = (RsaSigner) src;

            RSAPublicKey rsa = (RSAPublicKey) rsaSigner.getPublicKey(); // we're sure this is an RSAPublicKey b/c this is an RsaSigner

            BigInteger mod = rsa.getModulus();
            BigInteger exp = rsa.getPublicExponent();

            String m64 = Base64.encodeBase64URLSafeString(mod.toByteArray());
            String e64 = Base64.encodeBase64URLSafeString(exp.toByteArray());

            JsonObject o = new JsonObject();

            o.addProperty("use", "sig"); // since we don't do encryption yet
            o.addProperty("alg", "RSA"); //rsaSigner.getAlgorithm()); // we know this is RSA
            o.addProperty("mod", m64);
            o.addProperty("exp", e64);
            o.addProperty("kid", keyId);

            keys.add(o);
        } // TODO: deal with non-RSA key types
    }

    gson.toJson(obj, out);

}

From source file:be.e_contract.mycarenet.common.SessionKey.java

/**
 * Gives back the RSA public modulus./*from  ww  w.  jav a 2s . c  o m*/
 * 
 * @return
 */
public byte[] getExponent() {
    RSAPublicKey rsaPublicKey = getRSAPublicKey();
    return rsaPublicKey.getPublicExponent().toByteArray();
}

From source file:test.be.fedict.eid.applet.PKCS11Test.java

@Test
public void testPKCS1viaPKCS11() throws Exception {
    File tmpConfigFile = File.createTempFile("pkcs11-", "conf");
    tmpConfigFile.deleteOnExit();/*  w  w  w.jav  a  2 s .c o m*/
    PrintWriter configWriter = new PrintWriter(new FileOutputStream(tmpConfigFile), true);
    configWriter.println("name=SmartCard");
    configWriter.println("library=/usr/lib/libbeidpkcs11.so.0");
    configWriter.println("slotListIndex=2");

    SunPKCS11 provider = new SunPKCS11(tmpConfigFile.getAbsolutePath());
    Security.addProvider(provider);
    KeyStore keyStore = KeyStore.getInstance("PKCS11", provider);
    keyStore.load(null, null);
    PrivateKeyEntry privateKeyEntry = (PrivateKeyEntry) keyStore.getEntry("Authentication", null);
    PrivateKey privateKey = privateKeyEntry.getPrivateKey();
    Signature signature = Signature.getInstance("SHA1withRSA");
    signature.initSign(privateKey);
    byte[] toBeSigned = "hello world".getBytes();
    signature.update(toBeSigned);
    byte[] signatureValue = signature.sign();

    X509Certificate certificate = (X509Certificate) privateKeyEntry.getCertificate();
    RSAPublicKey publicKey = (RSAPublicKey) certificate.getPublicKey();
    BigInteger signatureValueBigInteger = new BigInteger(signatureValue);
    BigInteger messageBigInteger = signatureValueBigInteger.modPow(publicKey.getPublicExponent(),
            publicKey.getModulus());
    LOG.debug("original message: " + new String(Hex.encodeHex(messageBigInteger.toByteArray())));

    // LOG.debug("ASN.1 signature: " + ASN1Dump.dumpAsString(obj)
}

From source file:test.unit.be.fedict.hsm.entity.KeyStoreSingletonBeanTest.java

@Test
public void testSignature() throws Exception {
    EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("test");
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();
    entityTransaction.begin();//from  ww  w. ja v a  2s  .  c o  m

    KeyStoreEntity keyStoreEntity = new KeyStoreEntity("test", KeyStoreType.PKCS12,
            KeyStoreSingletonBeanTest.class.getResource("/keystore.p12").toURI().getPath(), "secret");
    entityManager.persist(keyStoreEntity);

    KeyStoreSingletonBean keyStoreSingletonBean = new KeyStoreSingletonBean();

    Field entityManagerField = KeyStoreSingletonBean.class.getDeclaredField("entityManager");
    entityManagerField.setAccessible(true);
    entityManagerField.set(keyStoreSingletonBean, entityManager);

    KeyStoreLoaderBean keyStoreLoaderBean = new KeyStoreLoaderBean();
    Field keyStoreLoaderField = KeyStoreSingletonBean.class.getDeclaredField("keyStoreLoader");
    keyStoreLoaderField.setAccessible(true);
    keyStoreLoaderField.set(keyStoreSingletonBean, keyStoreLoaderBean);

    keyStoreSingletonBean.loadKeys();

    keyStoreSingletonBean.newKeyStore(keyStoreEntity.getId());

    byte[] toBeSigned = "hello world".getBytes();
    MessageDigest messageDigest = MessageDigest.getInstance("SHA1");
    messageDigest.update(toBeSigned);
    byte[] digestValue = messageDigest.digest();
    LOG.debug("digest value: " + new String(Hex.encodeHex(digestValue)));
    byte[] signatureValue = keyStoreSingletonBean.sign(keyStoreEntity.getId(), "alias", "SHA-1", digestValue);

    assertNotNull(signatureValue);
    LOG.debug("signature size: " + signatureValue.length);

    KeyStore keyStore = KeyStore.getInstance("PKCS12");
    keyStore.load(KeyStoreSingletonBeanTest.class.getResourceAsStream("/keystore.p12"), "secret".toCharArray());
    RSAPublicKey publicKey = (RSAPublicKey) keyStore.getCertificate("alias").getPublicKey();

    BigInteger signatureValueBigInteger = new BigInteger(signatureValue);
    BigInteger originalBigInteger = signatureValueBigInteger.modPow(publicKey.getPublicExponent(),
            publicKey.getModulus());
    LOG.debug("original message: " + new String(Hex.encodeHex(originalBigInteger.toByteArray())));

    Signature signature = Signature.getInstance("SHA1withRSA");
    signature.initVerify(publicKey);
    signature.update(toBeSigned);
    boolean result = signature.verify(signatureValue);
    assertTrue(result);
}

From source file:org.cloudfoundry.identity.uaa.oauth.token.TokenKeyEndpoint.java

/**
 * Get the verification key for the token signatures. The principal has to
 * be provided only if the key is secret
 * (shared not public).//  www .ja  v  a  2s .  c  o  m
 * 
 * @param principal the currently authenticated user if there is one
 * @return the key used to verify tokens
 */
@RequestMapping(value = "/token_key", method = RequestMethod.GET)
@ResponseBody
public Map<String, String> getKey(Principal principal) {
    if ((principal == null || principal instanceof AnonymousAuthenticationToken)
            && !signerProvider.isPublic()) {
        throw new AccessDeniedException("You need to authenticate to see a shared key");
    }
    Map<String, String> result = new LinkedHashMap<String, String>();
    result.put("alg", signerProvider.getSigner().algorithm());
    result.put("value", signerProvider.getVerifierKey());
    //new values per OpenID and JWK spec
    result.put("kty", signerProvider.getType());
    result.put("use", "sig");
    if (signerProvider.isPublic() && "RSA".equals(signerProvider.getType())) {
        SignatureVerifier verifier = signerProvider.getVerifier();
        if (verifier != null && verifier instanceof RsaVerifier) {
            RSAPublicKey rsaKey = extractRsaPublicKey((RsaVerifier) verifier);
            if (rsaKey != null) {
                String n = new String(Base64.encode(rsaKey.getModulus().toByteArray()));
                String e = new String(Base64.encode(rsaKey.getPublicExponent().toByteArray()));
                result.put("n", n);
                result.put("e", e);
            }
        }
    }
    return result;
}

From source file:com.lingxiang2014.controller.shop.CommonController.java

@RequestMapping(value = "/public_key", method = RequestMethod.GET)
public @ResponseBody Map<String, String> publicKey(HttpServletRequest request) {
    RSAPublicKey publicKey = rsaService.generateKey(request);
    Map<String, String> data = new HashMap<String, String>();
    data.put("modulus", Base64.encodeBase64String(publicKey.getModulus().toByteArray()));
    data.put("exponent", Base64.encodeBase64String(publicKey.getPublicExponent().toByteArray()));
    return data;/*from   w  w  w .j a v  a 2s . co  m*/
}

From source file:com.microsoft.azure.management.TestContainerService.java

private String getSshKey() throws Exception {
    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
    keyPairGenerator.initialize(2048);/*from  w  ww .j  a  v a  2  s . c o  m*/
    KeyPair keyPair = keyPairGenerator.generateKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
    ByteArrayOutputStream byteOs = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(byteOs);
    dos.writeInt("ssh-rsa".getBytes().length);
    dos.write("ssh-rsa".getBytes());
    dos.writeInt(publicKey.getPublicExponent().toByteArray().length);
    dos.write(publicKey.getPublicExponent().toByteArray());
    dos.writeInt(publicKey.getModulus().toByteArray().length);
    dos.write(publicKey.getModulus().toByteArray());
    String publicKeyEncoded = new String(Base64.encodeBase64(byteOs.toByteArray()));
    return "ssh-rsa " + publicKeyEncoded + " ";
}