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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
* @test
* @bug 4898468 6994008
* @summary basic test for RSA cipher
* @author Andreas Sterbenz
* @library ..
*/
import java.io.*;
import java.util.*;
import java.security.*;
import javax.crypto.*;
public class TestRSACipher extends PKCS11Test {
private static final String[] RSA_ALGOS =
{ "RSA/ECB/PKCS1Padding", "RSA" };
public void main(Provider p) throws Exception {
try {
Cipher.getInstance(RSA_ALGOS[0], p);
} catch (GeneralSecurityException e) {
System.out.println("Not supported by provider, skipping");
return;
}
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", p);
kpg.initialize(1024);
KeyPair kp = kpg.generateKeyPair();
PublicKey publicKey = kp.getPublic();
PrivateKey privateKey = kp.getPrivate();
Random random = new Random();
byte[] b, e, d;
b = new byte[16];
random.nextBytes(b);
for (String rsaAlgo: RSA_ALGOS) {
Cipher c1 = Cipher.getInstance(rsaAlgo, p);
Cipher c2 = Cipher.getInstance(rsaAlgo, "SunJCE");
c1.init(Cipher.ENCRYPT_MODE, publicKey);
e = c1.doFinal(b);
c1.init(Cipher.DECRYPT_MODE, privateKey);
d = c1.doFinal(e);
match(b, d);
c2.init(Cipher.DECRYPT_MODE, privateKey);
d = c2.doFinal(e);
match(b, d);
// invalid data
c1.init(Cipher.DECRYPT_MODE, publicKey);
try {
d = c1.doFinal(e);
throw new Exception("completed call");
} catch (BadPaddingException ee) {
ee.printStackTrace();
}
c1.init(Cipher.ENCRYPT_MODE, privateKey);
e = c1.doFinal(b);
c1.init(Cipher.DECRYPT_MODE, publicKey);
d = c1.doFinal(e);
match(b, d);
c2.init(Cipher.DECRYPT_MODE, publicKey);
d = c2.doFinal(e);
match(b, d);
// reinit tests
c1.init(Cipher.ENCRYPT_MODE, privateKey);
c1.init(Cipher.ENCRYPT_MODE, privateKey);
e = c1.doFinal(b);
e = c1.doFinal(b);
c1.update(b);
c1.update(b);
c1.init(Cipher.ENCRYPT_MODE, privateKey);
e = c1.doFinal();
e = c1.doFinal();
c1.update(b);
e = c1.doFinal();
c1.update(new byte[256]);
try {
e = c1.doFinal();
throw new Exception("completed call");
} catch (IllegalBlockSizeException ee) {
System.out.println(ee);
}
}
}
private static void match(byte[] b1, byte[] b2) throws Exception {
if (Arrays.equals(b1, b2) == false) {
System.out.println(toString(b1));
System.out.println(toString(b2));
throw new Exception("mismatch");
}
}
public static void main(String[] args) throws Exception {
main(new TestRSACipher());
}
}