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

Example 96 with Cipher

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

the class CipherTest method test_initWithSecureRandom.

/**
     * javax.crypto.Cipher#init(int, java.security.Key,
     *        java.security.SecureRandom)
     */
public void test_initWithSecureRandom() throws Exception {
    Cipher cipher = Cipher.getInstance(ALGORITHM_3DES + "/ECB/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_3DES, new SecureRandom());
    cipher = Cipher.getInstance("DES/CBC/NoPadding");
    try {
        cipher.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_3DES, new SecureRandom());
        fail();
    } catch (InvalidKeyException expected) {
    }
}

Example 97 with Cipher

use of javax.crypto.Cipher 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 98 with Cipher

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

the class CipherTest method test_getAlgorithm.

/**
     * javax.crypto.Cipher#getAlgorithm()
     */
public void test_getAlgorithm() throws Exception {
    final String algorithm = "DESede/CBC/PKCS5Padding";
    Cipher cipher = Cipher.getInstance(algorithm);
    assertTrue("Cipher algorithm does not match", cipher.getAlgorithm().equals(algorithm));
}

Example 99 with Cipher

use of javax.crypto.Cipher 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 100 with Cipher

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

the class CipherTest method testGetParameters.

public void testGetParameters() throws Exception {
    Cipher c = Cipher.getInstance("DES");
    assertNull(c.getParameters());
}