How to use

MD5Utils

in

com.mpush.tools.crypto

  public ReusableSession genSession(SessionContext context) {
    long now = System.currentTimeMillis();
    ReusableSession session = new ReusableSession();
    session.context = context;
    session.sessionId = MD5Utils.encrypt(context.deviceId + now);
    session.expireTime = now + expiredTime * 1000;
    return session;
  }
}

public static String encrypt(byte[] bytes) {
  try {
    MessageDigest digest = MessageDigest.getInstance("MD5");
    digest.update(bytes);
    return toHex(digest.digest());
  } catch (Exception e) {
    return Strings.EMPTY;
  }
}

  public static String sha1(String data) {
    try {
      MessageDigest digest = MessageDigest.getInstance("SHA-1");
      return toHex(digest.digest(data.getBytes(Constants.UTF_8)));
    } catch (Exception e) {
      return Strings.EMPTY;
    }
  }
}

  public ReusableSession genSession(SessionContext context) {
    long now = System.currentTimeMillis();
    ReusableSession session = new ReusableSession();
    session.context = context;
    session.sessionId = MD5Utils.encrypt(context.deviceId + now);
    session.expireTime = now + expiredTime * 1000;
    return session;
  }
}

public static String encrypt(String text) {
  try {
    MessageDigest digest = MessageDigest.getInstance("MD5");
    digest.update(text.getBytes(Constants.UTF_8));
    return toHex(digest.digest());
  } catch (Exception e) {
    return Strings.EMPTY;
  }
}

public static String hmacSha1(String data, String encryptKey) {
  final String HMAC_SHA1 = "HmacSHA1";
  SecretKeySpec signingKey = new SecretKeySpec(encryptKey.getBytes(Constants.UTF_8), HMAC_SHA1);
  try {
    Mac mac = Mac.getInstance(HMAC_SHA1);
    mac.init(signingKey);
    mac.update(data.getBytes(Constants.UTF_8));
    return toHex(mac.doFinal());
  } catch (Exception e) {
    return Strings.EMPTY;
  }
}

public static String encrypt(File file) {
  InputStream in = null;
  try {
    MessageDigest digest = MessageDigest.getInstance("MD5");
    in = new FileInputStream(file);
    byte[] buffer = new byte[1024];//10k
    int readLen;
    while ((readLen = in.read(buffer)) != -1) {
      digest.update(buffer, 0, readLen);
    }
    return toHex(digest.digest());
  } catch (Exception e) {
    return Strings.EMPTY;
  } finally {
    IOUtils.close(in);
  }
}

  public static String sha1(String data) {
    try {
      MessageDigest digest = MessageDigest.getInstance("SHA-1");
      return toHex(digest.digest(data.getBytes(Constants.UTF_8)));
    } catch (Exception e) {
      return Strings.EMPTY;
    }
  }
}

public static String encrypt(byte[] bytes) {
  try {
    MessageDigest digest = MessageDigest.getInstance("MD5");
    digest.update(bytes);
    return toHex(digest.digest());
  } catch (Exception e) {
    return Strings.EMPTY;
  }
}

public static String encrypt(String text) {
  try {
    MessageDigest digest = MessageDigest.getInstance("MD5");
    digest.update(text.getBytes(Constants.UTF_8));
    return toHex(digest.digest());
  } catch (Exception e) {
    return Strings.EMPTY;
  }
}

public static String hmacSha1(String data, String encryptKey) {
  final String HMAC_SHA1 = "HmacSHA1";
  SecretKeySpec signingKey = new SecretKeySpec(encryptKey.getBytes(Constants.UTF_8), HMAC_SHA1);
  try {
    Mac mac = Mac.getInstance(HMAC_SHA1);
    mac.init(signingKey);
    mac.update(data.getBytes(Constants.UTF_8));
    return toHex(mac.doFinal());
  } catch (Exception e) {
    return Strings.EMPTY;
  }
}

public static String encrypt(File file) {
  InputStream in = null;
  try {
    MessageDigest digest = MessageDigest.getInstance("MD5");
    in = new FileInputStream(file);
    byte[] buffer = new byte[1024];//10k
    int readLen;
    while ((readLen = in.read(buffer)) != -1) {
      digest.update(buffer, 0, readLen);
    }
    return toHex(digest.digest());
  } catch (Exception e) {
    return Strings.EMPTY;
  } finally {
    IOUtils.close(in);
  }
}