Example usage for java.security KeyPair getPublic

Introduction

In this page you can find the example usage for java.security KeyPair getPublic.

Prototype

public PublicKey getPublic() 

Source Link

Document

Returns a reference to the public key component of this key pair.

Usage

From source file:com.vmware.demo.SamlUtils.java

/**
 * Generate a public x509 cert, based on a key.
 *
 * @param key KeyPair used to generate public Cert, private key in KeyPair not exposed.
 * @param issuer If generating an SSL Cert, issuer needs to match hostname
 * @return//from   w  w  w .j av  a 2s. co m
 * @throws SamlException
 */
public static X509Certificate generateCert(KeyPair key, String issuer) throws SamlException {
    X509Certificate binCert;
    try {
        X509V3CertificateGenerator v3CertGen = new X509V3CertificateGenerator();

        // create the certificate - version 3
        v3CertGen.reset();
        v3CertGen.setSerialNumber(BigInteger.valueOf(1));
        v3CertGen.setIssuerDN(new X509Principal(issuer));
        v3CertGen.setNotBefore(new Date(System.currentTimeMillis()));
        v3CertGen.setNotAfter(new Date(System.currentTimeMillis() + (1000L * 60 * 60 * 24 * 365 * 10))); //10 years
        v3CertGen.setSubjectDN(new X509Principal(issuer));
        v3CertGen.setPublicKey(key.getPublic());
        v3CertGen.setSignatureAlgorithm("SHA1WithRSAEncryption");

        // add the extensions
        v3CertGen.addExtension(org.bouncycastle.asn1.x509.X509Extensions.BasicConstraints, false,
                new BasicConstraints(true));

        // generate the actual cert
        binCert = v3CertGen.generate(key.getPrivate());

        // check the cert
        binCert.checkValidity(new Date());
        binCert.verify(key.getPublic());
    } catch (Exception e) {
        throw new SamlException("Failed to generate certificate.", e);
    }

    return binCert;
}

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From source file:info.fcrp.keepitsafe.bean.CryptBeanTest.java

@Test
public void assymetric() throws NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException,
        InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
    KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
    kpg.initialize(1024, new SecureRandom());
    KeyPair kp = kpg.generateKeyPair();
    PrivateKey priKey = kp.getPrivate();
    PublicKey pubKey = kp.getPublic();

    Cipher c = Cipher.getInstance("RSA");
    String plain = "plain";
    byte[] plainBytes = plain.getBytes();

    c.init(Cipher.ENCRYPT_MODE, pubKey);
    c.update(plainBytes);//from w w w .j  ava 2  s . c o  m

    byte[] encBytes = c.doFinal();
    String enc = Base64.encodeBase64String(encBytes);
    assertNotSame(plain, enc);

    c.init(Cipher.DECRYPT_MODE, priKey);
    c.update(encBytes);
    byte[] decBytes = c.doFinal();
    String dec = new String(decBytes);

    assertEquals(plain, dec);
}

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From source file:org.apache.usergrid.rest.management.ExternalSSOEnabledIT.java

private void generateKey() {
    KeyPair kp = RsaProvider.generateKeyPair(1024);
    publicKey = kp.getPublic();
    privateKey = kp.getPrivate();
}

---

From source file:org.openengsb.core.util.CipherUtilTest.java

@Before
public void setUp() throws Exception {
    KeyPair kp = CipherUtils.generateKeyPair("RSA", 2048);
    generatedPublickey = kp.getPublic();
    generatedPrivatekey = kp.getPrivate();
}

---

From source file:com.hyeb.back.login.LoginController.java

/**
 * //  w w w .  j  ava 2  s.c o m
 */
@RequestMapping(value = "/login")
public String login(ModelMap model, RedirectAttributes redirectAttributes, HttpServletRequest request) {
    /** "?"??? */
    final String PRIVATE_KEY_ATTRIBUTE_NAME = "privateKey";

    //HttpServletRequest request = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();       
    Setting setting = SettingUtils.get();
    KeyPair keyPair = RSAUtils.generateKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
    request.getSession().setAttribute(PRIVATE_KEY_ATTRIBUTE_NAME, privateKey);

    String modulus = Base64.encodeBase64String(publicKey.getModulus().toByteArray());//N
    String exponent = Base64.encodeBase64String(publicKey.getPublicExponent().toByteArray());//e
    String captchaId = UUID.randomUUID().toString();
    boolean isBackCaptcha = ArrayUtils.contains(setting.getCaptchaTypes(), CaptchaType.adminLogin);
    model.addAttribute("modulus", modulus);
    model.addAttribute("exponent", exponent);
    model.addAttribute("captchaId", captchaId);
    model.addAttribute("isBackCaptcha", isBackCaptcha);
    String messageStr = null;
    String loginFailure = (String) request
            .getAttribute(FormAuthenticationFilter.DEFAULT_ERROR_KEY_ATTRIBUTE_NAME);
    if (loginFailure != null) {
        if (loginFailure.equals("org.apache.shiro.authc.pam.UnsupportedTokenException")) {//??
            messageStr = "admin.captcha.invalid";
        } else if (loginFailure.equals("org.apache.shiro.authc.UnknownAccountException")) {//
            messageStr = "admin.login.unknownAccount";
        } else if (loginFailure.equals("org.apache.shiro.authc.DisabledAccountException")) {//?
            messageStr = "admin.login.disabledAccount";//
        } else if (loginFailure.equals("org.apache.shiro.authc.LockedAccountException")) {//?
            messageStr = "admin.login.lockedAccount";
        } else if (loginFailure.equals("org.apache.shiro.authc.IncorrectCredentialsException")) {//??

            if (ArrayUtils.contains(setting.getAccountLockTypes(), AccountLockType.admin)) {
                messageStr = "admin.login.accountLockCount";//?{0}???
            } else {
                messageStr = "admin.login.incorrectCredentials";//???
            }
        } else if (loginFailure.equals("org.apache.shiro.authc.AuthenticationException")) {//
            messageStr = "admin.login.authentication";//??
        }
        if (messageStr != null) {
            Message message = Message.warn(messageStr);
            addFlashMessage(redirectAttributes, message);
        }
    }
    Subject subject = SecurityUtils.getSubject();
    if (subject.isAuthenticated()) {
        return "redirect:/back/main/main";
    } else {
        return "/back/login/login";
    }

}

---

From source file:org.lightjason.agentspeak.action.buildin.crypto.EAlgorithm.java

/**
 * generates a key/*w  ww.j  a  v  a 2s.com*/
 *
 * @return key pair object (public key / private key or null)
 *
 * @throws NoSuchAlgorithmException on algorithm error
 */
public final Pair<Key, Key> generateKey() throws NoSuchAlgorithmException {
    switch (this) {
    case AES:
    case DES:
        return new ImmutablePair<>(KeyGenerator.getInstance(m_key).generateKey(), null);

    case RSA:
        final KeyPair l_key = KeyPairGenerator.getInstance(m_key).generateKeyPair();
        return new ImmutablePair<>(l_key.getPublic(), l_key.getPrivate());

    default:
        throw new CIllegalStateException(CCommon.languagestring(this, "unknown", this));
    }
}

---

From source file:cherry.goods.crypto.RSASignatureTest.java

private RSASignature create1() throws Exception {
    KeyPairGenerator keygen = KeyPairGenerator.getInstance("RSA");
    keygen.initialize(2048);//w  w w  .  j a  v a  2 s.c om
    KeyPair key = keygen.generateKeyPair();
    RSASignature impl = new RSASignature();
    impl.setAlgorithm("SHA256withRSA");
    impl.setPublicKeyBytes(key.getPublic().getEncoded());
    impl.setPrivateKeyBytes(key.getPrivate().getEncoded());
    return impl;
}

---

From source file:cherry.goods.crypto.RSACryptoTest.java

private RSACrypto create1() throws Exception {
    KeyPairGenerator keygen = KeyPairGenerator.getInstance("RSA");
    keygen.initialize(2048);/*from   ww w . j a v a2s  . com*/
    KeyPair key = keygen.generateKeyPair();
    RSACrypto impl = new RSACrypto();
    impl.setAlgorithm("RSA/ECB/PKCS1Padding");
    impl.setPublicKeyBytes(key.getPublic().getEncoded());
    impl.setPrivateKeyBytes(key.getPrivate().getEncoded());
    return impl;
}

---

From source file:org.lightjason.agentspeak.action.builtin.crypto.EAlgorithm.java

/**
 * generates a key/* w ww .j  a v a 2 s .  co  m*/
 *
 * @return key pair object (public key / private key or null)
 *
 * @throws NoSuchAlgorithmException on algorithm error
 */
@Nonnull
public final Pair<Key, Key> generateKey() throws NoSuchAlgorithmException {
    switch (this) {
    case AES:
    case DES:
        return new ImmutablePair<>(KeyGenerator.getInstance(m_key).generateKey(), null);

    case RSA:
        final KeyPair l_key = KeyPairGenerator.getInstance(m_key).generateKeyPair();
        return new ImmutablePair<>(l_key.getPublic(), l_key.getPrivate());

    default:
        throw new CIllegalStateException(CCommon.languagestring(this, "unknown", this));
    }
}

---

From source file:cherry.foundation.crypto.RSASignatureSupportTest.java

private RSASignatureSupport createCrypto() throws Exception {
    KeyPairGenerator keygen = KeyPairGenerator.getInstance("RSA");
    keygen.initialize(2048);/*  w w w .  ja  v a 2  s  .  c o m*/
    KeyPair key = keygen.generateKeyPair();
    RSASignatureSupport crypto = new RSASignatureSupport();
    crypto.setAlgorithm("SHA256withRSA");
    crypto.setPublicKeyResource(new InMemoryResource(key.getPublic().getEncoded()));
    crypto.setPrivateKeyResource(new InMemoryResource(key.getPrivate().getEncoded()));
    crypto.afterPropertiesSet();
    return crypto;
}

---

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