Java X9ECParameters.getSeed方法代碼示例

本文整理匯總了Java中org.bouncycastle.asn1.x9.X9ECParameters.getSeed方法的典型用法代碼示例。如果您正苦於以下問題：Java X9ECParameters.getSeed方法的具體用法？Java X9ECParameters.getSeed怎麽用？Java X9ECParameters.getSeed使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.bouncycastle.asn1.x9.X9ECParameters的用法示例。

在下文中一共展示了X9ECParameters.getSeed方法的8個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: getParameterSpec

import org.bouncycastle.asn1.x9.X9ECParameters; //導入方法依賴的package包/類
/**
 * return a parameter spec representing the passed in named
 * curve. The routine returns null if the curve is not present.
 * 
 * @param name the name of the curve requested
 * @return a parameter spec for the curve, null if it is not available.
 */
public static ECNamedCurveParameterSpec getParameterSpec(
    String  name)
{
    X9ECParameters  ecP = X962NamedCurves.getByName(name);
    if (ecP == null)
    {
        return null;
    }

    return new ECNamedCurveParameterSpec(
                                    name,
                                    ecP.getCurve(),
                                    ecP.getG(),
                                    ecP.getN(),
                                    ecP.getH(),
                                    ecP.getSeed());

}

開發者ID:thangbn，項目名稱:Direct-File-Downloader，代碼行數:26，代碼來源:ECNamedCurveTable.java

示例2: getParametersForNamedCurve

import org.bouncycastle.asn1.x9.X9ECParameters; //導入方法依賴的package包/類
public static ECDomainParameters getParametersForNamedCurve(int namedCurve)
{
    String curveName = getNameOfNamedCurve(namedCurve);
    if (curveName == null)
    {
        return null;
    }

    // Lazily created the first time a particular curve is accessed
    X9ECParameters ecP = SECNamedCurves.getByName(curveName);

    if (ecP == null)
    {
        return null;
    }

    // It's a bit inefficient to do this conversion every time
    return new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
}

開發者ID:Appdome，項目名稱:ipack，代碼行數:20，代碼來源:TlsECCUtils.java

示例3: testExportImport

import org.bouncycastle.asn1.x9.X9ECParameters; //導入方法依賴的package包/類
@Test
public void testExportImport() throws GeneralSecurityException {

	// Create a curve25519 parameter spec
	X9ECParameters params = CustomNamedCurves.getByName("curve25519");
	ECParameterSpec ecParameterSpec = new ECParameterSpec(params.getCurve(), params.getG(), params.getN(), params.getH(), params.getSeed());

	// Create public key
	KeyAgreementPeer peer = new ECDHPeer(ecParameterSpec, null, "BC");
	ECPublicKey ecPublicKey = (ECPublicKey) peer.getPublicKey();

	// Export public key
	byte[] encoded = ecPublicKey.getQ().getEncoded(true);

	System.out.println(Arrays.toString(encoded));
	System.out.println("Encoded length: " + encoded.length);

	// Import public key
	ECPublicKey importedECPublicKey = loadPublicKey(encoded);

	Assert.assertArrayEquals(ecPublicKey.getEncoded(), importedECPublicKey.getEncoded());
}

開發者ID:martinwithaar，項目名稱:Encryptor4j，代碼行數:23，代碼來源:ECDHExportTest.java

示例4: getParametersForNamedCurve

import org.bouncycastle.asn1.x9.X9ECParameters; //導入方法依賴的package包/類
public static ECDomainParameters getParametersForNamedCurve(int namedCurve)
{
    String curveName = getNameOfNamedCurve(namedCurve);
    if (curveName == null)
    {
        return null;
    }

    // Parameters are lazily created the first time a particular curve is accessed

    X9ECParameters ecP = CustomNamedCurves.getByName(curveName);
    if (ecP == null)
    {
        ecP = ECNamedCurveTable.getByName(curveName);
        if (ecP == null)
        {
            return null;
        }
    }

    // It's a bit inefficient to do this conversion every time
    return new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
}

開發者ID:ttt43ttt，項目名稱:gwt-crypto，代碼行數:24，代碼來源:TlsECCUtils.java

示例5: loadPublicKey

import org.bouncycastle.asn1.x9.X9ECParameters; //導入方法依賴的package包/類
/**
 * Loads and returns the elliptic-curve public key from the data byte array.
 * @param data
 * @return
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 * @throws InvalidKeySpecException
 */
public static ECPublicKey loadPublicKey(byte[] data) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeySpecException
{
	X9ECParameters params = CustomNamedCurves.getByName("curve25519");
	ECParameterSpec ecParameterSpec = new ECParameterSpec(params.getCurve(), params.getG(), params.getN(), params.getH(), params.getSeed());

	ECPublicKeySpec publicKey = new ECPublicKeySpec(ecParameterSpec.getCurve().decodePoint(data), ecParameterSpec);
	KeyFactory kf = KeyFactory.getInstance("ECDH", "BC");
	return (ECPublicKey) kf.generatePublic(publicKey);
}

開發者ID:martinwithaar，項目名稱:Encryptor4j，代碼行數:18，代碼來源:ECDHExportTest.java

示例6: generateECPublicKey

import org.bouncycastle.asn1.x9.X9ECParameters; //導入方法依賴的package包/類
public static AsymmetricCipherKeyPair generateECPublicKey() {

        // Should we also generate random curves?
        X9ECParameters ecp = SECNamedCurves.getByName(getRandomCurveName());
        ECKeyPairGenerator keygen = new ECKeyPairGenerator();
        ECDomainParameters domainParams = new ECDomainParameters(ecp.getCurve(), ecp.getG(), ecp.getN(), ecp.getH(),
                ecp.getSeed());
        keygen.init(new ECKeyGenerationParameters(domainParams, RandomHelper.getBadSecureRandom()));
        return keygen.generateKeyPair();
    }

開發者ID:RUB-NDS，項目名稱:TLS-Attacker，代碼行數:11，代碼來源:RandomKeyGeneratorHelper.java

示例7: testECMQVTestVector1

import org.bouncycastle.asn1.x9.X9ECParameters; //導入方法依賴的package包/類
private void testECMQVTestVector1()
{
    // Test Vector from GEC-2

    X9ECParameters x9 = SECNamedCurves.getByName("secp160r1");
    ECDomainParameters p = new ECDomainParameters(
        x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());

    AsymmetricCipherKeyPair U1 = new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(
            p.getCurve().decodePoint(Hex.decode("0251B4496FECC406ED0E75A24A3C03206251419DC0")), p),
        new ECPrivateKeyParameters(
            new BigInteger("AA374FFC3CE144E6B073307972CB6D57B2A4E982", 16), p));

    AsymmetricCipherKeyPair U2 = new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(
            p.getCurve().decodePoint(Hex.decode("03D99CE4D8BF52FA20BD21A962C6556B0F71F4CA1F")), p),
        new ECPrivateKeyParameters(
            new BigInteger("149EC7EA3A220A887619B3F9E5B4CA51C7D1779C", 16), p));

    AsymmetricCipherKeyPair V1 = new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(
            p.getCurve().decodePoint(Hex.decode("0349B41E0E9C0369C2328739D90F63D56707C6E5BC")), p),
        new ECPrivateKeyParameters(
            new BigInteger("45FB58A92A17AD4B15101C66E74F277E2B460866", 16), p));

    AsymmetricCipherKeyPair V2 = new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(
            p.getCurve().decodePoint(Hex.decode("02706E5D6E1F640C6E9C804E75DBC14521B1E5F3B5")), p),
        new ECPrivateKeyParameters(
            new BigInteger("18C13FCED9EADF884F7C595C8CB565DEFD0CB41E", 16), p));

    BigInteger x = calculateAgreement(U1, U2, V1, V2);

    if (x == null
        || !x.equals(new BigInteger("5A6955CEFDB4E43255FB7FCF718611E4DF8E05AC", 16)))
    {
        fail("MQV Test Vector #1 agreement failed");
    }
}

開發者ID:ttt43ttt，項目名稱:gwt-crypto，代碼行數:41，代碼來源:ECTest.java

示例8: testECMQVTestVector2

import org.bouncycastle.asn1.x9.X9ECParameters; //導入方法依賴的package包/類
private void testECMQVTestVector2()
{
    // Test Vector from GEC-2

    X9ECParameters x9 = SECNamedCurves.getByName("sect163k1");
    ECDomainParameters p = new ECDomainParameters(
        x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());

    AsymmetricCipherKeyPair U1 = new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(
            p.getCurve().decodePoint(Hex.decode("03037D529FA37E42195F10111127FFB2BB38644806BC")), p),
        new ECPrivateKeyParameters(
            new BigInteger("03A41434AA99C2EF40C8495B2ED9739CB2155A1E0D", 16), p));

    AsymmetricCipherKeyPair U2 = new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(
            p.getCurve().decodePoint(Hex.decode("02015198E74BC2F1E5C9A62B80248DF0D62B9ADF8429")), p),
        new ECPrivateKeyParameters(
            new BigInteger("032FC4C61A8211E6A7C4B8B0C03CF35F7CF20DBD52", 16), p));

    AsymmetricCipherKeyPair V1 = new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(
            p.getCurve().decodePoint(Hex.decode("03072783FAAB9549002B4F13140B88132D1C75B3886C")), p),
        new ECPrivateKeyParameters(
            new BigInteger("57E8A78E842BF4ACD5C315AA0569DB1703541D96", 16), p));

    AsymmetricCipherKeyPair V2 = new AsymmetricCipherKeyPair(
        new ECPublicKeyParameters(
            p.getCurve().decodePoint(Hex.decode("03067E3AEA3510D69E8EDD19CB2A703DDC6CF5E56E32")), p),
        new ECPrivateKeyParameters(
            new BigInteger("02BD198B83A667A8D908EA1E6F90FD5C6D695DE94F", 16), p));

    BigInteger x = calculateAgreement(U1, U2, V1, V2);

    if (x == null
        || !x.equals(new BigInteger("038359FFD30C0D5FC1E6154F483B73D43E5CF2B503", 16)))
    {
        fail("MQV Test Vector #2 agreement failed");
    }
}

開發者ID:ttt43ttt，項目名稱:gwt-crypto，代碼行數:41，代碼來源:ECTest.java

注：本文中的org.bouncycastle.asn1.x9.X9ECParameters.getSeed方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。