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package se.leap.bitmaskclient.utils;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
/**
* Created by cyberta on 18.03.18.
*/
public class KeyStoreHelper {
private static KeyStore trustedKeystore;
/**
* Adds a new X509 certificate given its input stream and its provider name
*
* @param provider used to store the certificate in the keystore
* @param inputStream from which X509 certificate must be generated.
*/
public static void addTrustedCertificate(String provider, InputStream inputStream) {
CertificateFactory cf;
try {
cf = CertificateFactory.getInstance("X.509");
X509Certificate cert =
(X509Certificate) cf.generateCertificate(inputStream);
trustedKeystore.setCertificateEntry(provider, cert);
} catch (CertificateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (KeyStoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* Adds a new X509 certificate given in its string from and using its provider name
*
* @param provider used to store the certificate in the keystore
* @param certificate
*/
public static void addTrustedCertificate(String provider, String certificate) {
try {
X509Certificate cert = ConfigHelper.parseX509CertificateFromString(certificate);
if (trustedKeystore == null) {
trustedKeystore = KeyStore.getInstance("BKS");
trustedKeystore.load(null);
}
trustedKeystore.setCertificateEntry(provider, cert);
} catch (KeyStoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (CertificateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* @return class wide keystore
*/
public static KeyStore getKeystore() {
return trustedKeystore;
}
}
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