Examples of java.security.KeyPairGenerator.genKeyPair()

java.security.KeyPairGenerator.genKeyPair()
Generates a key pair.
If this KeyPairGenerator has not been initialized explicitly, provider-specific defaults will be used for the size and other (algorithm-specific) values of the generated keys.
This will generate a new key pair every time it is called.
This method is functionally equivalent to {@link #generateKeyPair() generateKeyPair}. @return the generated key pair @since 1.2

            if (k == null) {
                try {
                    KeyPairGenerator kpg = (provider == null) ? KeyPairGenerator
                            .getInstance(algName)
                            : KeyPairGenerator.getInstance(algName, provider);
                    KeyPair kp = kpg.genKeyPair();
                    k = kp.getPrivate();
                    pubK = kp.getPublic();
                } catch (NoSuchAlgorithmException e) {
                }
            }

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                            + " is not found in the environment.").initCause(e);
        }
        // initialize the KeyPairGenerator with the key size
        kpg.initialize(keySize);


        KeyPair keyPair = kpg.genKeyPair();
        PrivateKey privateKey = keyPair.getPrivate();


        String subjectDN = param.getDName();
        String sigProvider = (param.getSigProvider() != null) ? param
                .getSigProvider() : provider;

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      KeyPairGenerator rsaKeyPairGenerator = createMock(KeyPairGenerator.class);
      final SecureRandom secureRandom = createMock(SecureRandom.class);


      expect(crypto.rsaKeyPairGenerator()).andReturn(rsaKeyPairGenerator);
      rsaKeyPairGenerator.initialize(2048, secureRandom);
      expect(rsaKeyPairGenerator.genKeyPair()).andReturn(keyPair);


      replay(crypto, rsaKeyPairGenerator, secureRandom);


      RsaSshKeyPairGenerator supplier = Guice.createInjector(new AbstractModule() {
         protected void configure() {

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        if (kpg != null) {
            // need to send server key exchange message
            DigitalSignature ds = new DigitalSignature(cipher_suite.keyExchange);
            KeyPair kp = null;
            try {
                kp = kpg.genKeyPair();
                if (cipher_suite.keyExchange == CipherSuite.KeyExchange_RSA_EXPORT) {
                    rsakey = (RSAPublicKey) kp.getPublic();
                } else {
                    DHPublicKey dhkey = (DHPublicKey) kp.getPublic();
                    KeyFactory kf = null;

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            if (k == null) {
                try {
                    KeyPairGenerator kpg = (provider == null) ? KeyPairGenerator
                            .getInstance(algName)
                            : KeyPairGenerator.getInstance(algName, provider);
                    KeyPair kp = kpg.genKeyPair();
                    k = kp.getPrivate();
                    pubK = kp.getPublic();
                } catch (NoSuchAlgorithmException e) {
                }
            }

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                            + " is not found in the environment.").initCause(e);
        }
        // initialize the KeyPairGenerator with the key size
        kpg.initialize(keySize);


        KeyPair keyPair = kpg.genKeyPair();
        PrivateKey privateKey = keyPair.getPrivate();


        String subjectDN = param.getDName();
        String sigProvider = (param.getSigProvider() != null) ? param
                .getSigProvider() : provider;

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    keyGen.initialize(spec);


    _keyPairs = new KeyPair[KEYS_SIZE];
    for(int i = 0; i < KEYS_SIZE; i++)
    {
      _keyPairs[i] = keyGen.genKeyPair();
    }


    keyGen = null;
    spec = null;
  }

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   @Test
   public void testManualFail() throws Exception
   {
      KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
      kpg.initialize(1024);
      KeyPair keyPair = kpg.genKeyPair();


      Verifier verifier = new Verifier();
      Verification verification = verifier.addNew();
      verification.setKey(keyPair.getPublic());

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   @Test
   public void testManualFail() throws Exception
   {
      KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
      kpg.initialize(1024);
      KeyPair keyPair = kpg.genKeyPair();


      Verifier verifier = new Verifier();
      Verification verification = verifier.addNew();
      verification.setKey(keyPair.getPublic());

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    public static EncodedKeyPair generateKeys() {
        try {
            // Generate a 2048-bit RSA key pair
            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
            keyGen.initialize(2048);
            KeyPair keypair = keyGen.genKeyPair();
            PrivateKey privateKey = keypair.getPrivate();
            PublicKey publicKey = keypair.getPublic();
            return new EncodedKeyPair(publicKey, privateKey);
        } catch (NoSuchAlgorithmException e) {
            return null;

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