Example usage for org.bouncycastle.math.ec ECPoint getCurve

Introduction

In this page you can find the example usage for org.bouncycastle.math.ec ECPoint getCurve.

Prototype

public ECCurve getCurve() 

Source Link

Usage

From source file:com.fruitcat.bitcoin.Utils.java

License:Apache License

/**
 * Compress a point./*from   ww  w .j  a  va 2  s  . c  o  m*/
 * @param uncompressed
 * @return
 */
public static ECPoint compressPoint(ECPoint uncompressed) {
    return new ECPoint.Fp(uncompressed.getCurve(), uncompressed.getX(), uncompressed.getY(), true);
}

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From source file:org.fdroid.enigtext.crypto.KeyUtil.java

License:Open Source License

private static AsymmetricCipherKeyPair cloneKeyPairWithPointCompression(AsymmetricCipherKeyPair keyPair) {
    ECPublicKeyParameters publicKey = (ECPublicKeyParameters) keyPair.getPublic();
    ECPoint q = publicKey.getQ();

    return new AsymmetricCipherKeyPair(
            new ECPublicKeyParameters(new ECPoint.Fp(q.getCurve(), q.getX(), q.getY(), true),
                    publicKey.getParameters()),
            keyPair.getPrivate());/*from w  w w. ja v a 2  s  .c  o m*/
}

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