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The Bouncy Castle Java APIs for the TLS, including a JSSE provider. The APIs are designed primarily to be used in conjunction with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.tls.crypto;

/**
 * Basic config for Diffie-Hellman.
 */
public class TlsDHConfig
{
    protected final DHGroup explicitGroup;
    protected final int namedGroup;
    protected final boolean padded;

    public TlsDHConfig(DHGroup explicitGroup)
    {
        this.explicitGroup = explicitGroup;
        this.namedGroup = -1;
        this.padded = false;
    }

    public TlsDHConfig(int namedGroup, boolean padded)
    {
        this.explicitGroup = null;
        this.namedGroup = namedGroup;
        this.padded = padded;
    }

    public DHGroup getExplicitGroup()
    {
        return explicitGroup;
    }

    public int getNamedGroup()
    {
        return namedGroup;
    }

    public boolean isPadded()
    {
        return padded;
    }
}