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


        //
        // 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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        SecureRandom k = new FixedSecureRandom(Hex.decode("00137449348C1249971759D99C252FFE1E14D8B31F00"));
        SecureRandom keyRand = new FixedSecureRandom(Hex.decode("0000955CD7E344303D1034E66933DC21C8044D42ADB8"));
        
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSTU4145", "BC");
        keyGen.initialize(spec, keyRand);
        KeyPair pair = keyGen.generateKeyPair();
        
        Signature sgr = Signature.getInstance("DSTU4145", "BC");


        sgr.initSign(pair.getPrivate(), k);

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        {
            KeyPairGenerator kpg = KeyPairGenerator.getInstance("ECDSA");
            kpg.initialize(new ECParameterSpec(params.getCurve(),
                    params.getG(), params.getN(), params.getH(), params
                            .getSeed()));
            kp = kpg.generateKeyPair();
            // The very old Problem... we need a certificate chain to
            // save a private key...
            ECPublicKey pubKey = (ECPublicKey)kp.getPublic();
            if (!compress)
            {

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        {
            KeyPairGenerator    g = KeyPairGenerator.getInstance("DSA", "SUN");


            g.initialize(512, new SecureRandom());


            KeyPair p = g.generateKeyPair();


            privKey = p.getPrivate();
            pubKey = p.getPublic();
        }
        catch (Exception e)

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        throws Exception
    {
        KeyPairGenerator     kpGen = KeyPairGenerator.getInstance("RSA", "BC");
        X509V2CRLGenerator   crlGen = new X509V2CRLGenerator();
        Date                 now = new Date();
        KeyPair              pair = kpGen.generateKeyPair();
        
        crlGen.setIssuerDN(new X500Principal("CN=Test CA"));
        
        crlGen.setThisUpdate(now);
        crlGen.setNextUpdate(new Date(now.getTime() + 100000));

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        throws Exception
    {
        KeyPairGenerator     kpGen = KeyPairGenerator.getInstance("RSA", "BC");
        X509V2CRLGenerator   crlGen = new X509V2CRLGenerator();
        Date                 now = new Date();
        KeyPair              pair = kpGen.generateKeyPair();
        
        crlGen.setIssuerDN(new X500Principal("CN=Test CA"));
        
        crlGen.setThisUpdate(now);
        crlGen.setNextUpdate(new Date(now.getTime() + 100000));

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        throws Exception
    {
        KeyPairGenerator     kpGen = KeyPairGenerator.getInstance("RSA", "BC");
        X509V2CRLGenerator   crlGen = new X509V2CRLGenerator();
        Date                 now = new Date();
        KeyPair              pair = kpGen.generateKeyPair();
        
        crlGen.setIssuerDN(new X500Principal("CN=Test CA"));
        
        crlGen.setThisUpdate(now);
        crlGen.setNextUpdate(new Date(now.getTime() + 100000));

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        KeyPairGenerator    g = KeyPairGenerator.getInstance("GOST3410", "BC");
        GOST3410ParameterSpec gost3410P = new GOST3410ParameterSpec("GostR3410-94-CryptoPro-A");


        g.initialize(gost3410P, new SecureRandom());


        KeyPair p = g.generateKeyPair();


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


        //

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        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("ElGamal", "BC");
        byte[]           in = "This is a test".getBytes();


        keyGen.initialize(elParams);
        
        KeyPair         keyPair = keyGen.generateKeyPair();
        SecureRandom    rand = new SecureRandom();


        checkKeySize(privateValueSize, keyPair);


        Cipher  cipher = Cipher.getInstance("ElGamal", "BC");

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        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("ElGamal", "BC");
        byte[]           in = "This is a test".getBytes();


        keyGen.initialize(p.bitLength());


        KeyPair         keyPair = keyGen.generateKeyPair();


        new BouncyCastleProvider().setParameter(ConfigurableProvider.DH_DEFAULT_PARAMS, elParams);


        SecureRandom    rand = new SecureRandom();

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