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import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.CertificateFactory;
public class MainClass {
public static void main(String args[]) throws Exception {
String cacert = "mytest.cer";
String lfcert = "lf_signed.cer";
String lfstore = "lfkeystore";
char[] lfstorepass = "wshr.ut".toCharArray();
char[] lfkeypass = "wshr.ut".toCharArray();
CertificateFactory cf = CertificateFactory.getInstance("X.509");
FileInputStream in1 = new FileInputStream(cacert);
java.security.cert.Certificate cac = cf.generateCertificate(in1);
in1.close();
FileInputStream in2 = new FileInputStream(lfcert);
java.security.cert.Certificate lfc = cf.generateCertificate(in2);
in2.close();
java.security.cert.Certificate[] cchain = { lfc, cac };
FileInputStream in3 = new FileInputStream(lfstore);
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(in3, lfstorepass);
PrivateKey prk = (PrivateKey) ks.getKey("lf", lfkeypass);
ks.setKeyEntry("lf_signed", prk, lfstorepass, cchain);
FileOutputStream out4 = new FileOutputStream("lfnewstore");
ks.store(out4, "newpass".toCharArray());
out4.close();
}
}
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