Electronic commerce protocols are orienting application layer and their main functions in unsafe and unavailable network, ensures communication message to be integrity, anonymity, atomicity and non-repudiation.

• 电子商务协议是面向应用层的网络安全协议,其主要作用就是防止在既不安全又不可靠的网络中,保证通信消息的完整性、匿名性、原子性和不可否认性。