get Installed User Certificates - Android java.security

Android examples for java.security:Certificate

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Description

get Installed User Certificates

Demo Code


import android.util.Log;
import java.security.KeyStore;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

public class Main{
    private static final String TAG = "Certificate";
    public static List<CertificateLocator> getInstalledUserCertificates() {
        List<CertificateLocator> locators = new ArrayList<CertificateLocator>();

        try {/*from  www  .j av a  2s .com*/
            KeyStore ks = KeyStore.getInstance("AndroidCAStore");
            ks.load(null, null);
            Enumeration aliases = ks.aliases();
            while (aliases.hasMoreElements()) {
                String alias = (String) aliases.nextElement();
                X509Certificate cert = (X509Certificate) ks
                        .getCertificate(alias);
                Log.d(TAG, "Subject DN: " + cert.getSubjectDN().getName());
                Log.d(TAG, "Subject SN: "
                        + cert.getSerialNumber().toString());
                Log.d(TAG, "Issuer DN: " + cert.getIssuerDN().getName());

                locators.add(new CertificateLocator(cert.getIssuerDN()
                        .getName(), cert.toString()));
            }

        } catch (Exception s) {
            Log.e("Error", s.getMessage());

        }

        return locators;
    }
}

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