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import java.io.FileInputStream;
import java.security.KeyStore;
import java.security.Principal;
import java.security.cert.X509Certificate;
import java.util.Enumeration;
public class Main {
public static void main(String[] argv) throws Exception {
FileInputStream is = new FileInputStream("your.keystore");
KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
keystore.load(is, "my-keystore-password".toCharArray());
Enumeration e = keystore.aliases();
for (; e.hasMoreElements();) {
String alias = (String) e.nextElement();
java.security.cert.Certificate cert = keystore.getCertificate(alias);
if (cert instanceof X509Certificate) {
X509Certificate x509cert = (X509Certificate) cert;
// Get subject
Principal principal = x509cert.getSubjectDN();
String subjectDn = principal.getName();
// Get issuer
principal = x509cert.getIssuerDN();
String issuerDn = principal.getName();
}
}
}
}
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