Android uses MD5 encrypted files

private static final int stream_buffer_length = 1024;
private static final String algorithm_md5 = "MD5";

public static String md5file (file file) {if (null = = File) {return "";        } String result = "";            try {messagedigest digest = messagedigest.getinstance (ALGORITHM_MD5);            Byte[] digests = Updatedigest (Digest, new FileInputStream (file)). Digest ();            BigInteger bi = new BigInteger (1, digests);        result = Bi.tostring (16);        } catch (NoSuchAlgorithmException e) {e.printstacktrace ();        } catch (FileNotFoundException e) {e.printstacktrace ();        } catch (IOException e) {e.printstacktrace ();    } return result;        } public static MessageDigest Updatedigest (Final MessageDigest Digest, final InputStream data) throws IOException {        Final byte[] buffer = new Byte[stream_buffer_length];        int read = data.read (buffer, 0, stream_buffer_length);            while (Read >-1) {digest.update (buffer, 0, read); Read = data.read (buffer, 0,Stream_buffer_length);    } return digest; }

　　

Android uses MD5 encrypted files