SecureMessenger可以在支持J2ME的设备（移动电话，PDA等）上进行安全的点对点消息通信。最初的实现使用SMS作为传输，用3DES 作为密码。 -SecureMessenger can support J2ME equipment (mobile phones, PDAs, etc.) to conduct secure point-to-point messaging. The initial realization of the use of SMS as transmi