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

Example 11 with IllegalBlockSizeException

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

the class CipherTest method test_doFinal$BII.

public void test_doFinal$BII() throws Exception {
    byte[] b = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
    byte[] b1 = new byte[30];
    AlgorithmParameterSpec ap = new IvParameterSpec(IV);
    Cipher c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    try {
        c.doFinal(b, 0, 10);
        fail();
    } catch (IllegalBlockSizeException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    try {
        c.doFinal(b, 0, 10);
        fail();
    } catch (IllegalStateException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    int len1 = c.doFinal(b, 0, 16).length;
    assertEquals(16, len1);
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    int len2 = c.doFinal(b, 0, 16, b1, 0);
    assertEquals(16, len2);
    c = Cipher.getInstance("DES/CBC/PKCS5Padding");
    c.init(Cipher.DECRYPT_MODE, CIPHER_KEY_DES, ap);
    try {
        c.doFinal(b1, 0, 24);
        fail();
    } catch (BadPaddingException expected) {
    }
}

Example 12 with IllegalBlockSizeException

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

the class CipherTest method test_doFinal$BI.

public void test_doFinal$BI() throws Exception {
    byte[] b = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
    byte[] b1 = new byte[30];
    AlgorithmParameterSpec ap = new IvParameterSpec(IV);
    Cipher c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    c.update(b, 0, 10);
    try {
        c.doFinal(b1, 5);
        fail();
    } catch (IllegalBlockSizeException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    try {
        c.doFinal(b1, 5);
        fail();
    } catch (IllegalStateException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    c.update(b, 3, 8);
    int len = c.doFinal(b1, 0);
    assertEquals(0, len);
    c = Cipher.getInstance("DES/CBC/PKCS5Padding");
    c.init(Cipher.DECRYPT_MODE, CIPHER_KEY_DES, ap);
    c.update(b1, 0, 24);
    try {
        c.doFinal(b, 0);
        fail();
    } catch (BadPaddingException expected) {
    }
    b1 = new byte[6];
    c = Cipher.getInstance("DESede");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_3DES);
    c.update(b, 3, 6);
    try {
        c.doFinal(b1, 5);
        fail();
    } catch (ShortBufferException expected) {
    }
}

Example 13 with IllegalBlockSizeException

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

the class CipherTest method test_doFinal$BII$B.

public void test_doFinal$BII$B() throws Exception {
    byte[] b = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
    byte[] b1 = new byte[30];
    AlgorithmParameterSpec ap = new IvParameterSpec(IV);
    Cipher c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    try {
        c.doFinal(b, 0, 10, b1);
        fail();
    } catch (IllegalBlockSizeException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    try {
        c.doFinal(b, 0, 10, b1);
        fail();
    } catch (IllegalStateException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    int len = c.doFinal(b, 0, 16, b1);
    assertEquals(16, len);
    c = Cipher.getInstance("DES/CBC/PKCS5Padding");
    c.init(Cipher.DECRYPT_MODE, CIPHER_KEY_DES, ap);
    try {
        c.doFinal(b1, 0, 24, new byte[42]);
        fail();
    } catch (BadPaddingException expected) {
    }
    b1 = new byte[6];
    c = Cipher.getInstance("DESede");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_3DES);
    try {
        c.doFinal(b, 3, 6, b1);
        fail();
    } catch (ShortBufferException expected) {
    }
}

Example 14 with IllegalBlockSizeException

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

the class SealedObjectTest method testSealedObject1.

/**
     * SealedObject(Serializable object, Cipher c) method testing. Tests if the
     * NullPointerException is thrown in the case of null cipher.
     */
public void testSealedObject1() throws Exception {
    String secret = "secret string";
    try {
        new SealedObject(secret, null);
        fail("NullPointerException should be thrown in the case " + "of null cipher.");
    } catch (NullPointerException e) {
    }
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    Key key = kg.generateKey();
    IvParameterSpec ips = new IvParameterSpec(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 });
    Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, key, ips);
    SealedObject so = new SealedObject(secret, cipher);
    cipher = Cipher.getInstance("DES/CBC/NoPadding");
    cipher.init(Cipher.ENCRYPT_MODE, key, ips);
    try {
        new SealedObject(secret, cipher);
        fail("IllegalBlockSizeException expected");
    } catch (IllegalBlockSizeException e) {
    //expected
    }
}

Example 15 with IllegalBlockSizeException

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

the class CipherTest method testRSA_ECB_NoPadding_Private_UpdateInAndOutPlusDoFinal_TooBig_Failure.

private void testRSA_ECB_NoPadding_Private_UpdateInAndOutPlusDoFinal_TooBig_Failure(String provider) throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPrivateKeySpec keySpec = new RSAPrivateKeySpec(RSA_2048_modulus, RSA_2048_privateExponent);
    final PrivateKey privKey = kf.generatePrivate(keySpec);
    Cipher c = Cipher.getInstance("RSA/ECB/NoPadding", provider);
    /*
         * You're actually encrypting with public keys, but there is no
         * distinction made here. It's all keyed off of what kind of key you're
         * using. ENCRYPT_MODE and DECRYPT_MODE are the same.
         */
    c.init(Cipher.ENCRYPT_MODE, privKey);
    byte[] output = new byte[RSA_2048_Vector1.length];
    c.update(RSA_Vector1_ZeroPadded_Encrypted, 0, RSA_Vector1_ZeroPadded_Encrypted.length, output);
    try {
        c.doFinal(RSA_Vector1_ZeroPadded_Encrypted);
        fail("Should have error when block size is too big.");
    } catch (IllegalBlockSizeException success) {
        assertFalse(provider, "BC".equals(provider));
    } catch (ArrayIndexOutOfBoundsException success) {
        assertEquals("BC", provider);
    }
}