Examples with DigestOutputStream java.security.DigestOutputStream used on opensource projects

Example 86 with DigestOutputStream

use of java.security.DigestOutputStream in project j2objc by google.

the class DigestOutputStreamTest method test_write$BII_5.

/**
 * java.security.DigestOutputStream#write(byte[], int, int)
 */
public void test_write$BII_5() throws Exception {
    // Test for method void java.security.DigestOutputStream.write(byte [],
    // int, int)
    DigestOutputStream dos = new DigestOutputStream(new ByteArrayOutputStream(), MessageDigest.getInstance("SHA"));
    byte[] digestArray = { 23, 43, 44 };
    dos.write(digestArray, 1, 1);
    byte[] digestResult = dos.getMessageDigest().digest();
    byte[] expected = { -87, 121, -17, 16, -52, 111, 106, 54, -33, 107, -118, 50, 51, 7, -18, 59, -78, -30, -37, -100 };
    assertTrue("Digest did not return expected result.", Arrays.equals(digestResult, expected));
}

Example 87 with DigestOutputStream

use of java.security.DigestOutputStream in project j2objc by google.

the class DigestOutputStreamTest method testToString.

/**
 * Test for <code>toString()</code> method<br>
 * Assertion: returns <code>String</code> representation of this object
 */
public final void testToString() throws NoSuchAlgorithmException {
    for (int k = 0; k < algorithmName.length; k++) {
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream(MY_MESSAGE_LEN);
            MessageDigest md = MessageDigest.getInstance(algorithmName[k]);
            DigestOutputStream dos = new DigestOutputStream(bos, md);
            assertNotNull(dos.toString());
            return;
        } catch (NoSuchAlgorithmException e) {
        // allowed failure
        }
    }
    fail(getName() + ": no MessageDigest algorithms available - test not performed");
}

Example 88 with DigestOutputStream

use of java.security.DigestOutputStream in project j2objc by google.

the class DigestOutputStreamTest method test_write$BII_1.

/**
 * Test #1 for <code>write(byte[],int,int)</code> method<br>
 *
 * Assertion: put bytes into output stream<br>
 *
 * Assertion: updates associated digest<br>
 */
public final void test_write$BII_1() throws IOException {
    for (int k = 0; k < algorithmName.length; k++) {
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream(MY_MESSAGE_LEN);
            MessageDigest md = MessageDigest.getInstance(algorithmName[k]);
            DigestOutputStream dos = new DigestOutputStream(bos, md);
            // write message at once
            dos.write(myMessage, 0, MY_MESSAGE_LEN);
            // check write
            assertTrue("write", Arrays.equals(myMessage, bos.toByteArray()));
            // check that associated digest has been updated properly
            assertTrue("update", Arrays.equals(dos.getMessageDigest().digest(), MDGoldenData.getDigest(algorithmName[k])));
            return;
        } catch (NoSuchAlgorithmException e) {
        // allowed failure
        }
    }
    fail(getName() + ": no MessageDigest algorithms available - test not performed");
}

Example 89 with DigestOutputStream

use of java.security.DigestOutputStream in project j2objc by google.

the class DigestOutputStreamTest method test_write$BII_3.

/**
 * Test #3 for <code>write(byte[],int,int)</code> method<br>
 *
 * Assertion: put bytes into output stream<br>
 *
 * Assertion: updates associated digest<br>
 */
public final void test_write$BII_3() throws NoSuchAlgorithmException, IOException {
    // check precondition
    assertTrue(MY_MESSAGE_LEN % (CHUNK_SIZE + 1) != 0);
    for (int k = 0; k < algorithmName.length; k++) {
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream(MY_MESSAGE_LEN);
            MessageDigest md = MessageDigest.getInstance(algorithmName[k]);
            DigestOutputStream dos = new DigestOutputStream(bos, md);
            // write message by chunks
            for (int i = 0; i < MY_MESSAGE_LEN / (CHUNK_SIZE + 1); i++) {
                dos.write(myMessage, i * (CHUNK_SIZE + 1), CHUNK_SIZE + 1);
            }
            // write remaining bytes
            dos.write(myMessage, MY_MESSAGE_LEN / (CHUNK_SIZE + 1) * (CHUNK_SIZE + 1), MY_MESSAGE_LEN % (CHUNK_SIZE + 1));
            // check write
            assertTrue("write", Arrays.equals(myMessage, bos.toByteArray()));
            // check that associated digest has been updated properly
            assertTrue("update", Arrays.equals(dos.getMessageDigest().digest(), MDGoldenData.getDigest(algorithmName[k])));
            return;
        } catch (NoSuchAlgorithmException e) {
        // allowed failure
        }
    }
    fail(getName() + ": no MessageDigest algorithms available - test not performed");
}

Example 90 with DigestOutputStream

use of java.security.DigestOutputStream in project j2objc by google.

the class DigestOutputStreamTest method testWriteint01.

/**
 * Test #1 for <code>write(int)</code> method<br>
 *
 * Assertion: writes the byte to the output stream<br>
 * Assertion: updates associated digest<br>
 */
public final void testWriteint01() throws IOException {
    for (int k = 0; k < algorithmName.length; k++) {
        try {
            MessageDigest md = MessageDigest.getInstance(algorithmName[k]);
            ByteArrayOutputStream bos = new ByteArrayOutputStream(MY_MESSAGE_LEN);
            DigestOutputStream dos = new DigestOutputStream(bos, md);
            for (int i = 0; i < MY_MESSAGE_LEN; i++) {
                dos.write(myMessage[i]);
            }
            // check that bytes have been written correctly
            assertTrue("write", Arrays.equals(MDGoldenData.getMessage(), bos.toByteArray()));
            // check that associated digest has been updated properly
            assertTrue("update", Arrays.equals(dos.getMessageDigest().digest(), MDGoldenData.getDigest(algorithmName[k])));
            return;
        } catch (NoSuchAlgorithmException e) {
        // allowed failure
        }
    }
    fail(getName() + ": no MessageDigest algorithms available - test not performed");
}