android的 Base64

byte [] key = Base64.decode( " YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4 " .getBytes(), Base64.DEFAULT); byte [] data = value.getBytes( " UTF-8 " ); System.out.println( " ECB加密解密 " ); byte [] str3 = Des3.des3EncodeECB(key,data ); byte [] str4 = Des3.ees3DecodeECB(key, str3); System.out.println( new String(Base64.encode(str3, Base64.DEFAULT), " UTF-8 " )); System.out.println( new String(str4, " UTF-8 " ));