Package javax.crypto.spec

Examples of javax.crypto.spec.DHParameterSpec

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        .getInstance(ALGORITHM);
    paramGen.init(1024);

    AlgorithmParameters params = paramGen.generateParameters();

    DHParameterSpec dhSpec = params.getParameterSpec(DHParameterSpec.class);
    System.out.println("l=" + dhSpec.getL());
    System.out.println("g=" + dhSpec.getG());
    System.out.println("p=" +dhSpec.getP());
  }
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      }
     
      crypto_setup_done = true;
     
      try{
        DHParameterSpec dh_param_spec = new DHParameterSpec( DH_P_BI, DH_G_BI, DH_L );
       
        dh_key_generator = KeyPairGenerator.getInstance("DH");
           
        dh_key_generator.initialize(dh_param_spec);
           
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("DH", "BC");
                params.init(new DHParameterSpec(p.getP(), p.getG(), l));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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        super(name);
    }

    public void testGetDefaultParameterSha1() throws Exception
    {
        DHParameterSpec parameterSpec = DiffieHellmanSession.getDefaultParameter();

        assertNotNull(parameterSpec);

        assertEquals(2, parameterSpec.getG().intValue());
        assertEquals(DiffieHellmanSession.DEFAULT_MODULUS_HEX.length() * 4, parameterSpec.getP().bitLength());
    }
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        assertEquals(DiffieHellmanSession.DEFAULT_MODULUS_HEX.length() * 4, parameterSpec.getP().bitLength());
    }

    public void testGetDefaultParameterSha256() throws Exception
    {
        DHParameterSpec parameterSpec = DiffieHellmanSession.getDefaultParameter();

        assertNotNull(parameterSpec);

        assertEquals(2, parameterSpec.getG().intValue());
        assertEquals(DiffieHellmanSession.DEFAULT_MODULUS_HEX.length() * 4, parameterSpec.getP().bitLength());
    }
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        assertEquals(DiffieHellmanSession.DEFAULT_MODULUS_HEX.length() * 4, parameterSpec.getP().bitLength());
    }

    public void testGenerateRandomParameterSha1() throws Exception
    {
        DHParameterSpec parameterSpec = DiffieHellmanSession.generateRandomParameter(512, 256);

        assertNotNull(parameterSpec);

        assertEquals(512, parameterSpec.getP().bitLength());
    }
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        assertEquals(512, parameterSpec.getP().bitLength());
    }

    public void testGenerateRandomParameterSha256() throws Exception
    {
        DHParameterSpec parameterSpec = DiffieHellmanSession.generateRandomParameter(512, 256);

        assertNotNull(parameterSpec);

        assertEquals(512, parameterSpec.getP().bitLength());
    }
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        assertEquals(512, parameterSpec.getP().bitLength());
    }

    public void testGenerateKeyPairSha1Default()
    {
        DHParameterSpec parameterSpec = DiffieHellmanSession.getDefaultParameter();

        KeyPair keyPair = DiffieHellmanSession.generateKeyPair(parameterSpec);

        assertNotNull(keyPair);
    }
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        assertNotNull(keyPair);
    }

    public void testGenerateKeyPairSha256Default()
    {
        DHParameterSpec parameterSpec = DiffieHellmanSession.getDefaultParameter();

        KeyPair keyPair = DiffieHellmanSession.generateKeyPair(parameterSpec);

        assertNotNull(keyPair);
    }
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        assertNotNull(keyPair);
    }

    public void testGenerateKeyPairSha1Random()
    {
        DHParameterSpec parameterSpec = DiffieHellmanSession.generateRandomParameter(512, 256);

        KeyPair keyPair = DiffieHellmanSession.generateKeyPair(parameterSpec);

        assertNotNull(keyPair);
    }
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Related Classes of javax.crypto.spec.DHParameterSpec

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  • com.CryptoAlgorithms.DiffieHellman.DHAlgorithm
  • com.davfx.ninio.ssh.DiffieHellmanGroupKeyExchange
  • com.sshtools.j2ssh.transport.kex.DhGroup1Sha1
  • com.sun.crypto.provider.DHKeyFactory
  • com.sun.crypto.provider.DHParameterGenerator
  • com.sun.crypto.provider.DHParameters
  • com.sun.crypto.provider.DHPrivateKey
  • com.sun.crypto.provider.DHPublicKey
  • erki.talk.DHKeyExchange
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