The popular protocol of the Secure Electronic Transaction(SET)discussed by this paper has the flaws of the goods atomic transactions and certified delivery atomic in transacting digital goods.
文章对现在流行的安全电子交易SET标准进行分析，指出SET协议存在不满足数字商品交易的原子性以及确认发送原子性等缺陷。
Secure Electronic Transaction protocol(SET) has guaranteed security problem in the electronic payment process through formulating standard and using cryptogram technology.
安全电子交易协议SET通过制定标准和采用各种密码技术手段，确保了电子支付过程中的安全问题。
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