Examples with Cipher org.xwiki.crypto.cipher.Cipher used on opensource projects

Example 1 with Cipher

use of org.xwiki.crypto.cipher.Cipher in project xwiki-commons by xwiki.

the class BcRsaOaepCipherFactoryTest method testRSAEncryptionDecryptionProgressive.

@Test
public void testRSAEncryptionDecryptionProgressive() throws Exception {
    Cipher cipher = factory.getInstance(true, publicKey);
    cipher.update(input, 0, 17);
    cipher.update(input, 17, 1);
    cipher.update(input, 18, input.length - 18);
    byte[] encrypted = cipher.doFinal();
    cipher = factory.getInstance(false, privateKey);
    cipher.update(encrypted, 0, 65);
    cipher.update(encrypted, 65, 1);
    cipher.update(encrypted, 66, encrypted.length - 66);
    assertThat(cipher.doFinal(), equalTo(input));
    cipher = factory.getInstance(true, privateKey);
    cipher.update(input, 0, 15);
    cipher.update(input, 15, 1);
    encrypted = cipher.doFinal(input, 16, input.length - 16);
    cipher = factory.getInstance(false, publicKey);
    cipher.update(encrypted);
    assertThat(cipher.doFinal(), equalTo(input));
}

Example 2 with Cipher

use of org.xwiki.crypto.cipher.Cipher in project xwiki-commons by xwiki.

the class AbstractSymmetricCipherFactoryTest method getProgressive.

private byte[] getProgressive(boolean forEncryption, byte[] bytes, int size) throws Exception {
    Cipher cipher = getCipher(forEncryption);
    byte[] result = new byte[size];
    byte[] tmp;
    int len = 0;
    tmp = cipher.update(bytes, 0, BLOCK_SIZE + 1);
    assertThat(tmp, not(nullValue()));
    System.arraycopy(tmp, 0, result, 0, len = tmp.length);
    assertThat(cipher.update(bytes, BLOCK_SIZE + 1, BLOCK_SIZE - 1), nullValue());
    tmp = cipher.update(bytes, BLOCK_SIZE * 2, 1);
    assertThat(tmp, not(nullValue()));
    System.arraycopy(tmp, 0, result, len, tmp.length);
    len += tmp.length;
    tmp = cipher.update(bytes, ((BLOCK_SIZE * 2) + 1), bytes.length - ((BLOCK_SIZE * 2) + 1));
    assertThat(tmp, not(nullValue()));
    System.arraycopy(tmp, 0, result, len, tmp.length);
    len += tmp.length;
    tmp = cipher.doFinal();
    if (forEncryption || tmp != null) {
        assertThat(tmp, not(nullValue()));
        System.arraycopy(tmp, 0, result, len, tmp.length);
        len += tmp.length;
    }
    return result;
}

Example 3 with Cipher

use of org.xwiki.crypto.cipher.Cipher in project xwiki-commons by xwiki.

the class AbstractSymmetricCipherFactoryTest method cipherOneShotDecryption.

@Test
public void cipherOneShotDecryption() throws Exception {
    Cipher cipher = getCipher(false);
    byte[] result = cipher.doFinal(getEncrypted());
    assertThat(result.length, equalTo(BYTES.length));
    assertThat(result, equalTo(BYTES));
    result = cipher.doFinal(getAnotherEncrypted());
    assertThat(result.length, equalTo(ANOTHER_BYTES.length));
    assertThat(result, equalTo(ANOTHER_BYTES));
}

Example 4 with Cipher

use of org.xwiki.crypto.cipher.Cipher in project xwiki-commons by xwiki.

the class AbstractSymmetricCipherFactoryTest method fetCipherProperties.

@Test
public void fetCipherProperties() throws Exception {
    Cipher cipher = getCipher(true);
    assertThat(cipher.getAlgorithmName(), equalTo(CIPHER_ALGO));
    assertThat(cipher.getOutputBlockSize(), equalTo(BLOCK_SIZE));
    assertThat(cipher.isForEncryption(), is(true));
    cipher = getCipher(false);
    assertThat(cipher.getAlgorithmName(), equalTo(CIPHER_ALGO));
    assertThat(cipher.getOutputBlockSize(), equalTo(BLOCK_SIZE));
    assertThat(cipher.isForEncryption(), is(false));
}

Example 5 with Cipher

use of org.xwiki.crypto.cipher.Cipher in project xwiki-commons by xwiki.

the class AbstractSymmetricCipherFactoryTest method cipherOneShotEncryption.

@Test
public void cipherOneShotEncryption() throws Exception {
    Cipher cipher = getCipher(true);
    assertThat(getEncrypted().length, equalTo(BYTES_ENCRYPTED_SIZE));
    assertThat(cipher.doFinal(BYTES), equalTo(getEncrypted()));
    assertThat(getAnotherEncrypted().length, equalTo(ANOTHER_BYTES_ENCRYPTED_SIZE));
    assertThat(cipher.doFinal(ANOTHER_BYTES), equalTo(getAnotherEncrypted()));
}