EcdhTest.java 文件源码

@Test
public void curveTest() {
    final X9ECParameters curve = NISTNamedCurves.getByName("P-384");
    final ECDomainParameters domainParameters = new ECDomainParameters(
            curve.getCurve(), curve.getG(), curve.getN());
    final SecureRandom random = new SecureRandom();
    final ECKeyPairGenerator gen = new ECKeyPairGenerator();
    gen.init(new ECKeyGenerationParameters(domainParameters, random));
    final AsymmetricCipherKeyPair senderPair = gen.generateKeyPair();
    final AsymmetricCipherKeyPair receiverPair = gen.generateKeyPair();
    final ECDHBasicAgreement senderAgreement = new ECDHBasicAgreement();
    senderAgreement.init(senderPair.getPrivate());
    final BigInteger senderResult = senderAgreement.calculateAgreement(
            receiverPair.getPublic());
    final ECDHBasicAgreement receiverAgreement = new ECDHBasicAgreement();
    receiverAgreement.init(receiverPair.getPrivate());
    final BigInteger receiverResult = receiverAgreement.calculateAgreement(
            senderPair.getPublic());
    assertEquals(senderResult, receiverResult);
    //System.out.println(receiverResult);
}