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

        // try encoding of wrong key
        kpGen = KeyPairGenerator.getInstance("RSA", "BC");


        kpGen.initialize(512);


        pair = kpGen.generateKeyPair();


        final PrivateKey privRsa = pair.getPrivate();
        final PublicKey  pubRsa = pair.getPublic();


        try

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


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


        KeyPair     keyPair = g.generateKeyPair();


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


        //

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        KeyPairGenerator gen = KeyPairGenerator.getInstance("RSA", "BC");


        gen.initialize(1024, new SecureRandom());


        KeyPair         pair = gen.generateKeyPair();
        RSAPrivateKey   privKey = (RSAPrivateKey)pair.getPrivate();
        RSAPublicKey    pubKey = (RSAPublicKey)pair.getPublic();
        BigInteger      modulus = privKey.getModulus();
        BigInteger      privateExponent = privKey.getPrivateExponent();

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        config.setParameter(ConfigurableProvider.EC_IMPLICITLY_CA, ecSpec);


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


        KeyPair p = g.generateKeyPair();


        ECPrivateKey sKey = (ECPrivateKey)p.getPrivate();
        ECPublicKey vKey = (ECPublicKey)p.getPublic();


        testECDSA(sKey, vKey);

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        config.setParameter(ConfigurableProvider.EC_IMPLICITLY_CA, ecSpec);


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


        KeyPair p = g.generateKeyPair();


        ECPrivateKey sKey = (ECPrivateKey)p.getPrivate();
        ECPublicKey vKey = (ECPublicKey)p.getPublic();


        KeyFactory fact = KeyFactory.getInstance("ECDSA", "BC");

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        config.setParameter(ConfigurableProvider.EC_IMPLICITLY_CA, ecSpec);


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


        KeyPair p = g.generateKeyPair();


        ECPrivateKey sKey = (ECPrivateKey)p.getPrivate();
        ECPublicKey vKey = (ECPublicKey)p.getPublic();


        testECDSA(sKey, vKey);

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        config.setParameter(ConfigurableProvider.THREAD_LOCAL_EC_IMPLICITLY_CA, ecSpec);


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


        KeyPair p = g.generateKeyPair();


        ECPrivateKey sKey = (ECPrivateKey)p.getPrivate();
        ECPublicKey vKey = (ECPublicKey)p.getPublic();


        testECDSA(sKey, vKey);

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


        //
        // U side
        //
        KeyPair U1 = g.generateKeyPair();
        KeyPair U2 = g.generateKeyPair();


        KeyAgreement uAgree = KeyAgreement.getInstance("ECMQV", "BC");
        uAgree.init(new MQVPrivateKeySpec(U1.getPrivate(), U2.getPrivate(), U2.getPublic()));

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        //
        // U side
        //
        KeyPair U1 = g.generateKeyPair();
        KeyPair U2 = g.generateKeyPair();


        KeyAgreement uAgree = KeyAgreement.getInstance("ECMQV", "BC");
        uAgree.init(new MQVPrivateKeySpec(U1.getPrivate(), U2.getPrivate(), U2.getPublic()));


        //

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        uAgree.init(new MQVPrivateKeySpec(U1.getPrivate(), U2.getPrivate(), U2.getPublic()));


        //
        // V side
        //
        KeyPair V1 = g.generateKeyPair();
        KeyPair V2 = g.generateKeyPair();


        KeyAgreement vAgree = KeyAgreement.getInstance("ECMQV", "BC");
        vAgree.init(new MQVPrivateKeySpec(V1.getPrivate(), V2.getPrivate(), V2.getPublic()));

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