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

Example 26 with DigestInputStream

use of java.security.DigestInputStream in project robovm by robovm.

the class DigestInputStream2Test method test_onZ.

/**
     * java.security.DigestInputStream#on(boolean)
     */
public void test_onZ() throws Exception {
    // Test for method void java.security.DigestInputStream.on(boolean)
    MessageDigest originalDigest = (MessageDigest) (digest.clone());
    MessageDigest noChangeDigest = (MessageDigest) (digest.clone());
    DigestInputStream dis = new DigestInputStream(inStream, noChangeDigest);
    // turn off processing
    dis.on(false);
    // read some data
    int c = dis.read();
    assertEquals('T', c);
    // make sure the digest for the part where it was off has not
    // changed
    assertTrue("MessageDigest changed even though processing was off", MessageDigest.isEqual(noChangeDigest.digest(), originalDigest.digest()));
    MessageDigest changeDigest = (MessageDigest) (digest.clone());
    dis = new DigestInputStream(inStream, digest);
    // turn on processing
    dis.on(true);
    c = dis.read();
    assertEquals('h', c);
    // make sure the digest has changed
    assertTrue("MessageDigest did not change with processing on", !MessageDigest.isEqual(digest.digest(), changeDigest.digest()));
}

Example 27 with DigestInputStream

use of java.security.DigestInputStream in project robovm by robovm.

the class DigestInputStream2Test method test_setMessageDigestLjava_security_MessageDigest.

/**
     * java.security.DigestInputStream#setMessageDigest(java.security.MessageDigest)
     */
public void test_setMessageDigestLjava_security_MessageDigest() {
    // Test for method void
    // java.security.DigestInputStream.setMessageDigest(java.security.MessageDigest)
    DigestInputStream dis = new DigestInputStream(inStream, null);
    // make sure the digest is null when it's not been set
    assertNull("Uninitialised MessageDigest should have been returned as null", dis.getMessageDigest());
    dis.setMessageDigest(digest);
    assertEquals("Wrong MessageDigest was returned.", digest, dis.getMessageDigest());
}

Example 28 with DigestInputStream

use of java.security.DigestInputStream in project robovm by robovm.

the class DigestInputStreamTest method testDigestInputStream02.

/**
     * Test #2 for <code>DigestInputStream</code> constructor<br>
     *
     * Assertion: creates new <code>DigestInputStream</code> instance
     * using valid parameters (both <code>null</code>)
     */
public final void testDigestInputStream02() {
    InputStream dis = new DigestInputStream(null, null);
    assertTrue(dis instanceof DigestInputStream);
}

Example 29 with DigestInputStream

use of java.security.DigestInputStream in project robolectric by robolectric.

the class SQLiteLibraryLoader method md5sum.

private String md5sum(InputStream input) throws IOException {
    BufferedInputStream in = new BufferedInputStream(input);
    try {
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        DigestInputStream digestInputStream = new DigestInputStream(in, digest);
        while (digestInputStream.read() >= 0) ;
        ByteArrayOutputStream md5out = new ByteArrayOutputStream();
        md5out.write(digest.digest());
        return new BigInteger(md5out.toByteArray()).toString();
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException("MD5 algorithm is not available: " + e);
    } finally {
        in.close();
    }
}

Example 30 with DigestInputStream

use of java.security.DigestInputStream in project AndroidUtilLib by SiberiaDante.

the class SDFileUtil method getFileMD5.

/**
 * 获取文件的MD5校验码
 *
 * @param file 文件
 * @return 文件的MD5校验码
 */
public static byte[] getFileMD5(File file) {
    if (file == null)
        return null;
    DigestInputStream dis = null;
    try {
        FileInputStream fis = new FileInputStream(file);
        MessageDigest md = MessageDigest.getInstance("MD5");
        dis = new DigestInputStream(fis, md);
        byte[] buffer = new byte[1024 * 256];
        while (true) {
            if (!(dis.read(buffer) > 0))
                break;
        }
        md = dis.getMessageDigest();
        return md.digest();
    } catch (NoSuchAlgorithmException | IOException e) {
        e.printStackTrace();
    } finally {
        SDCloseUtil.closeIO(dis);
    }
    return null;
}