Examples of java.security.KeyPairGenerator.generateKeyPair()

java.security.KeyPairGenerator.generateKeyPair()
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 #genKeyPair() genKeyPair}. @return the generated key pair

    {
        KeyPairGenerator  kpGen = KeyPairGenerator.getInstance("RSA", "BC");
    
        kpGen.initialize(1024, new SecureRandom());
    
        return kpGen.generateKeyPair();
    }
    
    public static X509Certificate generateRootCert(KeyPair pair)
        throws Exception
    {

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        // set up the keys
        //
        PrivateKey          privKey;
        PublicKey           pubKey;


        KeyPair pair = ecGen.generateKeyPair();


        privKey = pair.getPrivate();
        pubKey = pair.getPublic();


        PKCS10CertificationRequest req = new PKCS10CertificationRequest(

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        ecGostKpg.initialize(ECGOST3410NamedCurveTable.getParameterSpec("GostR3410-2001-CryptoPro-A"), new SecureRandom());


        //
        // set up the keys
        //
        KeyPair             pair = ecGostKpg.generateKeyPair();
        PrivateKey          privKey = pair.getPrivate();
        PublicKey           pubKey = pair.getPublic();


        PKCS10CertificationRequest req = new PKCS10CertificationRequest(
                        algorithm, new X509Name("CN=XXX"), pubKey, null, privKey);

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    private void nullPointerTest()
        throws Exception
    {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA", "BC");
        keyGen.initialize(1024, new SecureRandom());
        KeyPair pair = keyGen.generateKeyPair();


        Vector oids = new Vector();
        Vector values = new Vector();
        oids.add(X509Extensions.BasicConstraints);
        values.add(new X509Extension(true, new DEROctetString(new BasicConstraints(true))));

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            curve.decodePoint(Hex.decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
            new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307")); // n


        g.initialize(ecSpec, new SecureRandom());


        KeyPair kp = g.generateKeyPair();


        req = new PKCS10CertificationRequest(
                "ECDSAWITHSHA1", new X509Name("CN=XXX"), kp.getPublic(), null, kp.getPrivate());
        if (!req.verify())
        {

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        {
            Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding", "BC");
            KeyPairGenerator fact = KeyPairGenerator.getInstance("RSA", "BC");
            fact.initialize(512, new SecureRandom());


            KeyPair keyPair = fact.generateKeyPair();


            PrivateKey  priKey = keyPair.getPrivate();
            PublicKey   pubKey = keyPair.getPublic();


            KeyGenerator keyGen = KeyGenerator.getInstance("DES", "BC");

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        g.initialize(ecSpec, new SecureRandom());


        //
        // a side
        //
        KeyPair aKeyPair = g.generateKeyPair();


        KeyAgreement aKeyAgree = KeyAgreement.getInstance("ECDHC", "BC");


        aKeyAgree.init(aKeyPair.getPrivate());

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        aKeyAgree.init(aKeyPair.getPrivate());


        //
        // b side
        //
        KeyPair bKeyPair = g.generateKeyPair();


        KeyAgreement bKeyAgree = KeyAgreement.getInstance("ECDHC", "BC");


        bKeyAgree.init(bKeyPair.getPrivate());

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        KeyPairGenerator    g = KeyPairGenerator.getInstance("ECDSA", "BC");


        g.initialize(ecSpec, new SecureRandom());


        Signature sgr = Signature.getInstance("ECDSA", "BC");
        KeyPair   pair = g.generateKeyPair();
        PrivateKey sKey = pair.getPrivate();
        PublicKey vKey = pair.getPublic();


        sgr.initSign(sKey);

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        KeyPairGenerator    g = KeyPairGenerator.getInstance("ECGOST3410", "BC");


        g.initialize(ecSpec, new SecureRandom());


        Signature sgr = Signature.getInstance("ECGOST3410", "BC");
        KeyPair   pair = g.generateKeyPair();
        PrivateKey sKey = pair.getPrivate();
        PublicKey vKey = pair.getPublic();


        sgr.initSign(sKey);

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