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Spoof TLS/JA3/JA4 and HTTP/2 fingerprints in Java

There is a newer version: 1.0.6

package org.bouncycastle.jsse.provider;

import java.util.logging.Logger;

import javax.net.ssl.X509ExtendedKeyManager;
import javax.net.ssl.X509KeyManager;

import org.bouncycastle.jcajce.util.JcaJceHelper;
import org.bouncycastle.jsse.BCX509ExtendedKeyManager;

abstract class X509KeyManagerUtil
{
    private static final Logger LOG = Logger.getLogger(X509KeyManagerUtil.class.getName());

    static X509KeyManager exportX509KeyManager(BCX509ExtendedKeyManager x509KeyManager)
    {
        if (x509KeyManager instanceof ImportX509KeyManager)
        {
            return ((ImportX509KeyManager)x509KeyManager).unwrap();
        }

        return x509KeyManager;
    }

    static BCX509ExtendedKeyManager importX509KeyManager(JcaJceHelper helper, X509KeyManager x509KeyManager)
    {
        LOG.fine("Importing X509KeyManager implementation: " + x509KeyManager.getClass().getName());

        if (x509KeyManager instanceof BCX509ExtendedKeyManager)
        {
            return (BCX509ExtendedKeyManager)x509KeyManager;
        }

        if (x509KeyManager instanceof X509ExtendedKeyManager)
        {
            return new ImportX509KeyManager_5((X509ExtendedKeyManager)x509KeyManager);
        }

        return new ImportX509KeyManager_4(x509KeyManager);
    }
}