Based on analysis of transaction security, a secure transaction model is given. Moreover, a correctness criterion for secure transactions, secure conflict serializability (SCSR) is proposed.

在对事务安全性分析的基础上提出了安全事务模型和安全事务正确性标准-安全冲突可串行化(SCSR)。

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The model can satisfy the requirement of secure transaction, such as safety, no-deny, credibility, confidence.

该模型满足安全交易的要求，包括安全、不可否认、可信和隐私保护。

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Finally, it presents a secure implementation model of SET transaction, which ensures the validity, confidentiality, integrity and non-repudiation of transaction.

给出了一个SET交易的安全实现模型，它保证了交易的有效性、机密性、完整性和不可抵赖性。

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