Java ECNamedCurveTable类代码示例

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本文整理汇总了Java中org.spongycastle.jce.ECNamedCurveTable类的典型用法代码示例。如果您正苦于以下问题：Java ECNamedCurveTable类的具体用法？Java ECNamedCurveTable怎么用？Java ECNamedCurveTable使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

ECNamedCurveTable类属于org.spongycastle.jce包，在下文中一共展示了ECNamedCurveTable类的13个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: loadEcPublicKey

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
private static Key loadEcPublicKey(final byte [] pubKey,
                                      final EcCurve curveName) throws NoSuchAlgorithmException,
                                                                      InvalidKeySpecException {
    final ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName.toString());
    KeyFactory kf;
	try {
		kf = KeyFactory.getInstance(ECDH, BouncyCastleProvider.PROVIDER_NAME);
	}
	catch (final NoSuchProviderException e) {
		kf = KeyFactory.getInstance(ECDH);
	}
    final ECNamedCurveSpec params = new ECNamedCurveSpec(curveName.toString(), spec.getCurve(), spec.getG(), spec.getN());
    final ECPoint point =  ECPointUtil.decodePoint(params.getCurve(), pubKey);
    final java.security.spec.ECPublicKeySpec pubKeySpec = new java.security.spec.ECPublicKeySpec(point, params);
    return kf.generatePublic(pubKeySpec);
}

开发者ID:MiFirma，项目名称:mi-firma-android，代码行数:17，代码来源:JseCryptoHelper.java

示例2: getEcPoint

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
@Override
public AlgorithmParameterSpec getEcPoint(final byte[] nonceS, final byte[] sharedSecretH, final EcCurve curveName) {
	final AlgorithmParameterSpec ecParams = ECNamedCurveTable.getParameterSpec(curveName.toString());
	final BigInteger affineX = os2i(sharedSecretH);
	final BigInteger affineY = computeAffineY(affineX, (ECParameterSpec) ecParams);
	final ECPoint sharedSecretPointH = new ECPoint(affineX, affineY);
	return mapNonceGMWithECDH(os2i(nonceS), sharedSecretPointH, (ECParameterSpec) ecParams);
}

开发者ID:MiFirma，项目名称:mi-firma-android，代码行数:9，代码来源:JseCryptoHelper.java

示例3: getParameterSpec

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Retrieves the parameters of the given elliptic curve.
 * @param curveName The curve name
 * @param custom Custom or not?
 * @return The elliptic curve parameters.
 */
private static ECParameterSpec getParameterSpec(String curveName, boolean custom) {
    if(custom) {
        X9ECParameters ecP = CustomNamedCurves.getByName(curveName);
        return new ECParameterSpec(ecP.getCurve(), ecP.getG(),
                ecP.getN(), ecP.getH(), ecP.getSeed());

    }
    return ECNamedCurveTable.getParameterSpec(curveName);
}

开发者ID:wkmeijer，项目名称:CS4160-trustchain-android，代码行数:16，代码来源:Key.java

示例4: generate

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
public static KeyPair generate () throws NoSuchAlgorithmException, InvalidAlgorithmParameterException {
    SecureRandom random = new SecureRandom();
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("secp256r1");
    KeyPairGenerator g = KeyPairGenerator.getInstance("ECDSA");
    g.initialize(ecSpec, random);
    return g.generateKeyPair();
}

开发者ID:zsavvas，项目名称:ReCRED_FIDO_UAF_OIDC，代码行数:8，代码来源:KeyCodec.java

示例5: getPubKeyFromCurve

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Decode based on X, Y 32 byte integers
 * @param pubKey
 * @param curveName - Example secp256r1
 * @return
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 */
public static PublicKey getPubKeyFromCurve (byte[] pubKey, String curveName) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchProviderException {
 
 ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName);
  KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
  ECNamedCurveSpec params = new ECNamedCurveSpec(curveName, spec.getCurve(), spec.getG(), spec.getN());
  ECPoint point =  ECPointUtil.decodePoint(params.getCurve(), pubKey);
  ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(point, params);
  ECPublicKey pk = (ECPublicKey) kf.generatePublic(pubKeySpec);
  return pk;
}

开发者ID:zsavvas，项目名称:ReCRED_FIDO_UAF_OIDC，代码行数:20，代码来源:KeyCodec.java

示例6: getPrivKeyFromCurve

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Decode based on d - 32 byte integer
 * @param privKey
 * @param curveName - Example secp256r1
 * @return
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 */
public static PrivateKey getPrivKeyFromCurve (byte[] privKey, String curveName) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchProviderException {
 
 ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName);
  KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
  ECNamedCurveSpec params = new ECNamedCurveSpec(curveName, spec.getCurve(), spec.getG(), spec.getN());
  ECPrivateKeySpec priKey = new ECPrivateKeySpec(
             new BigInteger(privKey), // d
             params);
  return kf.generatePrivate(priKey);
}

开发者ID:zsavvas，项目名称:ReCRED_FIDO_UAF_OIDC，代码行数:20，代码来源:KeyCodec.java

示例7: generate

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
public static KeyPair generate() throws NoSuchAlgorithmException, InvalidAlgorithmParameterException {
    SecureRandom random = new SecureRandom();
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("secp256r1");
    KeyPairGenerator g = KeyPairGenerator.getInstance("ECDSA");
    g.initialize(ecSpec, random);
    return g.generateKeyPair();
}

开发者ID:eBay，项目名称:UAF，代码行数:8，代码来源:KeyCodec.java

示例8: getPubKeyFromCurve

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Decode based on X, Y 32 byte integers
 *
 * @param pubKey
 * @param curveName - Example secp256r1
 * @return
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 */
public static PublicKey getPubKeyFromCurve(byte[] pubKey, String curveName) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchProviderException {

    ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName);
    KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
    ECNamedCurveSpec params = new ECNamedCurveSpec(curveName, spec.getCurve(), spec.getG(), spec.getN());
    ECPoint point = ECPointUtil.decodePoint(params.getCurve(), pubKey);
    ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(point, params);
    ECPublicKey pk = (ECPublicKey) kf.generatePublic(pubKeySpec);
    return pk;
}

开发者ID:eBay，项目名称:UAF，代码行数:21，代码来源:KeyCodec.java

示例9: getPrivKeyFromCurve

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Decode based on d - 32 byte integer
 *
 * @param privKey
 * @param curveName - Example secp256r1
 * @return
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 */
public static PrivateKey getPrivKeyFromCurve(byte[] privKey, String curveName) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchProviderException {

    ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName);
    KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
    ECNamedCurveSpec params = new ECNamedCurveSpec(curveName, spec.getCurve(), spec.getG(), spec.getN());
    ECPrivateKeySpec priKey = new ECPrivateKeySpec(
            new BigInteger(privKey), // d
            params);
    return kf.generatePrivate(priKey);
}

开发者ID:eBay，项目名称:UAF，代码行数:21，代码来源:KeyCodec.java

示例10: generateNewKey

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
private static KeyPair generateNewKey(String spec) {
	try {
		ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec(spec);
		KeyPairGenerator keyGen = KeyPairGenerator.getInstance("ECDSA", "SC");
		keyGen.initialize(ecSpec, new SecureRandom());
		return keyGen.generateKeyPair();
	} catch (Exception e) {
		Log.e(TAG, "error", e);
		System.exit(0);
		return null;
	}
}

开发者ID:jetonmemeti，项目名称:android-signature-tests，代码行数:13，代码来源:SignatureLengths.java

示例11: createECCKeys

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
private static long createECCKeys(String spec) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
	long start = System.currentTimeMillis();
	
	ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec(spec);
       KeyPairGenerator g = KeyPairGenerator.getInstance("ECDSA");
       g.initialize(ecSpec, new SecureRandom());
       g.generateKeyPair();
	
	return (System.currentTimeMillis() - start);
}

开发者ID:jetonmemeti，项目名称:android-signature-tests，代码行数:11，代码来源:CreateKeysTest.java

示例12: generateKeyPair

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
public static KeyPair generateKeyPair(PKIAlgorithm algorithm) throws UnknownPKIAlgorithmException,
        NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
	if (algorithm.getCode() != PKIAlgorithm.DEFAULT.getCode())
		throw new UnknownPKIAlgorithmException();

	ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec(algorithm.getKeyPairSpecification());
	KeyPairGenerator keyGen = KeyPairGenerator.getInstance(algorithm.getKeyPairAlgorithm(), SECURITY_PROVIDER);
	keyGen.initialize(ecSpec, new SecureRandom());
	return keyGen.generateKeyPair();
}

开发者ID:jetonmemeti，项目名称:SamplePaymentProject，代码行数:11，代码来源:KeyHandler.java

示例13: decodeNISTP256PublicKeyFromBytes

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * <p>
 * Get an EC public key from a byte array suitable for use with ssh
 * operations</p>
 *
 * <p>
 * Note: This is not a Bitcoin EC public key</p>
 *
 * @param pubKey The ecdsa-sha2-nistp256 EC public key encoded as bytes
 *
 * @return An EC public key
 *
 * @throws NoSuchAlgorithmException If ECDSA is not available
 * @throws InvalidKeySpecException If the key is invalid
 */
public static ECPublicKey decodeNISTP256PublicKeyFromBytes(byte[] pubKey) throws NoSuchAlgorithmException, InvalidKeySpecException {

    ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec("P-256");
    KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
    ECNamedCurveSpec params = new ECNamedCurveSpec("P-256", spec.getCurve(), spec.getG(), spec.getN());
    ECPoint point = ECPointUtil.decodePoint(params.getCurve(), pubKey);
    ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(point, params);
    ECPublicKey pk = (ECPublicKey) kf.generatePublic(pubKeySpec);

    return pk;
}

开发者ID:martin-lizner，项目名称:trezor-ssh-agent，代码行数:27，代码来源:IdentityUtils.java

注：本文中的org.spongycastle.jce.ECNamedCurveTable类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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Java ECNamedCurveTable类代码示例

示例1: loadEcPublicKey

示例2: getEcPoint

示例3: getParameterSpec

示例4: generate

示例5: getPubKeyFromCurve

示例6: getPrivKeyFromCurve

示例7: generate

示例8: getPubKeyFromCurve

示例9: getPrivKeyFromCurve

示例10: generateNewKey

示例11: createECCKeys

示例12: generateKeyPair

示例13: decodeNISTP256PublicKeyFromBytes

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