本文整理汇总了Java中org.spongycastle.crypto.params.ECPrivateKeyParameters.getD方法的典型用法代码示例。如果您正苦于以下问题：Java ECPrivateKeyParameters.getD方法的具体用法？Java ECPrivateKeyParameters.getD怎么用？Java ECPrivateKeyParameters.getD使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.spongycastle.crypto.params.ECPrivateKeyParameters的用法示例。
在下文中一共展示了ECPrivateKeyParameters.getD方法的6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，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: ECKey
import org.spongycastle.crypto.params.ECPrivateKeyParameters; //导入方法依赖的package包/类
/**
* Generates an entirely new keypair. Point compression is used so the resulting public key will be 33 bytes
* (32 for the co-ordinate and 1 byte to represent the y bit).
*/
public ECKey() {
ECKeyPairGenerator generator = new ECKeyPairGenerator();
ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters(ecParams, secureRandom);
generator.init(keygenParams);
AsymmetricCipherKeyPair keypair = generator.generateKeyPair();
ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate();
ECPublicKeyParameters pubParams = (ECPublicKeyParameters) keypair.getPublic();
priv = privParams.getD();
// Unfortunately Bouncy Castle does not let us explicitly change a point to be compressed, even though it
// could easily do so. We must re-build it here so the ECPoints withCompression flag can be set to true.
ECPoint uncompressed = pubParams.getQ();
ECPoint compressed = compressPoint(uncompressed);
pub = compressed.getEncoded();
creationTimeSeconds = Utils.now().getTime() / 1000;
}
示例2: ECKey
import org.spongycastle.crypto.params.ECPrivateKeyParameters; //导入方法依赖的package包/类
/**
* Generates an entirely new keypair with the given {@link SecureRandom}
* object. Point compression is used so the resulting public key will be 33
* bytes (32 for the co-ordinate and 1 byte to represent the y bit).
*/
public ECKey(SecureRandom secureRandom) {
ECKeyPairGenerator generator = new ECKeyPairGenerator();
ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters(CURVE, secureRandom);
generator.init(keygenParams);
AsymmetricCipherKeyPair keypair = generator.generateKeyPair();
ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate();
ECPublicKeyParameters pubParams = (ECPublicKeyParameters) keypair.getPublic();
priv = privParams.getD();
pub = new LazyECPoint(CURVE.getCurve(), pubParams.getQ().getEncoded(true));
creationTimeSeconds = CryptoUtils.currentTimeSeconds();
}
示例3: generateECKey
import org.spongycastle.crypto.params.ECPrivateKeyParameters; //导入方法依赖的package包/类
/**
* Generates an entirely new keypair. Point compression is used so the resulting public key will be 33 bytes
* (32 for the co-ordinate and 1 byte to represent the y bit).
*/
public static ECKey generateECKey(SecureRandom secureRandom) {
ECKeyPairGenerator generator = new ECKeyPairGenerator();
ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters(CURVE, secureRandom);
generator.init(keygenParams);
AsymmetricCipherKeyPair keypair = generator.generateKeyPair();
ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate();
ECPublicKeyParameters pubParams = (ECPublicKeyParameters) keypair.getPublic();
BigInteger priv = privParams.getD();
boolean compressed = true;
ECKey ecKey = new ECKey(priv, pubParams.getQ().getEncoded(compressed));
// ecKey.setCreationTimeSeconds(Utils.currentTimeSeconds());
return ecKey;
}
示例4: generateECKey
import org.spongycastle.crypto.params.ECPrivateKeyParameters; //导入方法依赖的package包/类
/**
* Generates an entirely new keypair. Point compression is used so the resulting public key will be 33 bytes
* (32 for the co-ordinate and 1 byte to represent the y bit).
*/
public static ECKey generateECKey(SecureRandom secureRandom) {
ECKeyPairGenerator generator = new ECKeyPairGenerator();
ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters(CURVE, secureRandom);
generator.init(keygenParams);
AsymmetricCipherKeyPair keypair = generator.generateKeyPair();
ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate();
ECPublicKeyParameters pubParams = (ECPublicKeyParameters) keypair.getPublic();
BigInteger priv = privParams.getD();
boolean compressed = true;
ECKey ecKey = new ECKey(priv, pubParams.getQ().getEncoded(compressed));
ecKey.setCreationTimeSeconds(Utils.currentTimeSeconds());
return ecKey;
}
示例5: ECKey
import org.spongycastle.crypto.params.ECPrivateKeyParameters; //导入方法依赖的package包/类
/**
* Generates an entirely new keypair with the given {@link SecureRandom} object. Point compression is used so the
* resulting public key will be 33 bytes (32 for the co-ordinate and 1 byte to represent the y bit).
*/
public ECKey(SecureRandom secureRandom) {
ECKeyPairGenerator generator = new ECKeyPairGenerator();
ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters(CURVE, secureRandom);
generator.init(keygenParams);
AsymmetricCipherKeyPair keypair = generator.generateKeyPair();
ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate();
ECPublicKeyParameters pubParams = (ECPublicKeyParameters) keypair.getPublic();
priv = privParams.getD();
pub = CURVE.getCurve().decodePoint(pubParams.getQ().getEncoded(true));
}
示例6: ECKeyPair
import org.spongycastle.crypto.params.ECPrivateKeyParameters; //导入方法依赖的package包/类
/**
* Generates an entirely new keypair.
* */
public ECKeyPair()
{
ECKeyPairGenerator generator = new ECKeyPairGenerator();
ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters(ecParams, secureRandom);
generator.init(keygenParams);
AsymmetricCipherKeyPair keypair = generator.generateKeyPair();
ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate();
ECPublicKeyParameters pubParams = (ECPublicKeyParameters) keypair.getPublic();
priv = privParams.getD();
pub = pubParams.getQ().getEncoded();// The public key is an encoded point on the elliptic curve. It has no meaning independent of the curve.
}