public static String encrypt(String str) {
init();
try {
byte[] utf8 = str.getBytes("UTF8");
byte[] enc = ecipher.doFinal(utf8);
enc = BASE64EncoderStream.encode(enc);
return new String(enc);
} catch (UnsupportedEncodingException | IllegalBlockSizeException | BadPaddingException e) {
System.out.println("Encrypt exception:" + e.getMessage());
}
return null;
}
