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* version 2 for more details (a copy is included in the LICENSE file that
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* 2 along with this work; if not, write to the Free Software Foundation,
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/**
* @test
* @bug 6994008
* @summary basic test for RSA/ECB/NoPadding cipher
* @author Valerie Peng
* @library ..
*/
import javax.crypto.*;
import java.io.*;
import javax.crypto.spec.SecretKeySpec;
import java.security.*;
import java.util.*;
public class TestRawRSACipher extends PKCS11Test {
public void main(Provider p) throws Exception {
try {
Cipher.getInstance("RSA/ECB/NoPadding", p);
} catch (GeneralSecurityException e) {
System.out.println("Not supported by provider, skipping");
return;
}
final int KEY_LEN = 1024;
KeyPairGenerator kpGen = KeyPairGenerator.getInstance("RSA", p);
kpGen.initialize(KEY_LEN);
KeyPair kp = kpGen.generateKeyPair();
Random random = new Random();
byte[] plainText, cipherText, recoveredText;
plainText = new byte[KEY_LEN/8];
random.nextBytes(plainText);
plainText[0] = 0; // to ensure that it's less than modulus
Cipher c1 = Cipher.getInstance("RSA/ECB/NoPadding", p);
Cipher c2 = Cipher.getInstance("RSA/ECB/NoPadding", "SunJCE");
c1.init(Cipher.ENCRYPT_MODE, kp.getPublic());
c2.init(Cipher.DECRYPT_MODE, kp.getPrivate());
cipherText = c1.doFinal(plainText);
recoveredText = c2.doFinal(cipherText);
if (!Arrays.equals(plainText, recoveredText)) {
throw new RuntimeException("E/D Test against SunJCE Failed!");
}
c2.init(Cipher.ENCRYPT_MODE, kp.getPublic());
c1.init(Cipher.DECRYPT_MODE, kp.getPrivate());
cipherText = c2.doFinal(plainText);
recoveredText = c1.doFinal(cipherText);
if (!Arrays.equals(plainText, recoveredText)) {
throw new RuntimeException("D/E Test against SunJCE Failed!");
}
System.out.println("Test Passed");
}
public static void main(String[] args) throws Exception {
main(new TestRawRSACipher());
}
}