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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8 with debug enabled.
package org.bouncycastle.crypto.params;
import org.bouncycastle.crypto.CipherParameters;
/**
* Parameters holder for public unified static/ephemeral agreement as described in NIST SP 800-56A using EC DH/CDH.
*/
public class ECDHUPublicParameters
implements CipherParameters
{
private ECPublicKeyParameters staticPublicKey;
private ECPublicKeyParameters ephemeralPublicKey;
public ECDHUPublicParameters(
ECPublicKeyParameters staticPublicKey,
ECPublicKeyParameters ephemeralPublicKey)
{
if (staticPublicKey == null)
{
throw new NullPointerException("staticPublicKey cannot be null");
}
if (ephemeralPublicKey == null)
{
throw new NullPointerException("ephemeralPublicKey cannot be null");
}
if (!staticPublicKey.getParameters().equals(ephemeralPublicKey.getParameters()))
{
throw new IllegalArgumentException("static and ephemeral public keys have different domain parameters");
}
this.staticPublicKey = staticPublicKey;
this.ephemeralPublicKey = ephemeralPublicKey;
}
public ECPublicKeyParameters getStaticPublicKey()
{
return staticPublicKey;
}
public ECPublicKeyParameters getEphemeralPublicKey()
{
return ephemeralPublicKey;
}
}
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