Examples with NullCipher javax.crypto.NullCipher used on opensource projects

Example 6 with NullCipher

use of javax.crypto.NullCipher in project robovm by robovm.

the class SealedObjectTest method testGetObject3.

/**
     * getObject(Key key, String provider) method testing. Tests if the proper
     * exception is thrown in the case of incorrect input parameters and if the
     * object sealed with encryption algorithm can be retrieved by specifying
     * the cryptographic key and provider name.
     */
public void testGetObject3() throws Exception {
    try {
        new SealedObject("secret string", new NullCipher()).getObject(new SecretKeySpec(new byte[] { 0, 0, 0 }, "algorithm"), null);
        fail("IllegalArgumentException should be thrown in the case of " + "null provider.");
    } catch (IllegalArgumentException e) {
    }
    try {
        new SealedObject("secret string", new NullCipher()).getObject(new SecretKeySpec(new byte[] { 0, 0, 0 }, "algorithm"), "");
        fail("IllegalArgumentException should be thrown in the case of " + "empty provider.");
    } catch (IllegalArgumentException e) {
    }
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    Key key = kg.generateKey();
    Cipher cipher = Cipher.getInstance("DES");
    String provider = cipher.getProvider().getName();
    cipher.init(Cipher.ENCRYPT_MODE, key);
    String secret = "secret string";
    SealedObject so = new SealedObject(secret, cipher);
    cipher.init(Cipher.DECRYPT_MODE, key);
    assertEquals("The returned object does not equals to the " + "original object.", secret, so.getObject(key, provider));
    kg = KeyGenerator.getInstance("DESede");
    key = kg.generateKey();
    try {
        so.getObject(key, provider);
        fail("InvalidKeyException expected");
    } catch (InvalidKeyException e) {
    //expected
    }
    try {
        so.getObject(key, "Wrong provider name");
        fail("NoSuchProviderException expected");
    } catch (NoSuchProviderException e) {
    //expected
    }
}

Example 7 with NullCipher

use of javax.crypto.NullCipher in project jdk8u_jdk by JetBrains.

the class TestSealedObjectNull method main.

public static void main(String[] args) throws IOException, IllegalBlockSizeException, ClassNotFoundException, BadPaddingException {
    Cipher nullCipher = new NullCipher();
    // Seal
    SealedObject so = new SealedObject(SEAL_STR, nullCipher);
    // Unseal and compare
    if (!(SEAL_STR.equals(so.getObject(nullCipher)))) {
        throw new RuntimeException("Unseal and compare failed.");
    }
    System.out.println("Test passed.");
}

Example 8 with NullCipher

use of javax.crypto.NullCipher in project robovm by robovm.

the class CipherOutputStream1Test method testWrite1.

/**
     * write(int b) method testing. Tests that method writes correct values to
     * the underlying output stream.
     */
public void testWrite1() throws Exception {
    byte[] data = new byte[] { -127, -100, -50, -10, -1, 0, 1, 10, 50, 127 };
    TestOutputStream tos = new TestOutputStream();
    CipherOutputStream cos = new CipherOutputStream(tos, new NullCipher());
    for (int i = 0; i < data.length; i++) {
        cos.write(data[i]);
    }
    cos.flush();
    byte[] result = tos.toByteArray();
    if (!Arrays.equals(result, data)) {
        fail("CipherOutputStream wrote incorrect data.");
    }
}

Example 9 with NullCipher

use of javax.crypto.NullCipher in project robovm by robovm.

the class CipherOutputStream1Test method testWrite5.

/**
     * write(byte[] b, int off, int len)
     */
public void testWrite5() throws Exception {
    //Regression for HARMONY-758
    Cipher cf = Cipher.getInstance("DES/CBC/PKCS5Padding");
    NullCipher nc = new NullCipher();
    CipherOutputStream stream1 = new CipherOutputStream(new BufferedOutputStream((OutputStream) null), nc);
    CipherOutputStream stream2 = new CipherOutputStream(stream1, cf);
    CipherOutputStream stream3 = new CipherOutputStream(stream2, nc);
    stream3.write(new byte[] { 0 }, 0, 0);
//no exception expected
}

Example 10 with NullCipher

use of javax.crypto.NullCipher in project robovm by robovm.

the class CipherOutputStream1Test method testWrite2.

/**
     * write(byte[] b) method testing. Tests that method writes correct values
     * to the underlying output stream.
     */
public void testWrite2() throws Exception {
    byte[] data = new byte[] { -127, -100, -50, -10, -1, 0, 1, 10, 50, 127 };
    TestOutputStream tos = new TestOutputStream();
    CipherOutputStream cos = new CipherOutputStream(tos, new NullCipher());
    cos.write(data);
    cos.flush();
    byte[] result = tos.toByteArray();
    if (!Arrays.equals(result, data)) {
        fail("CipherOutputStream wrote incorrect data.");
    }
    try {
        cos.write(null);
        fail("NullPointerException expected");
    } catch (NullPointerException e) {
    //expected
    }
}