电子支付中的密码技术应用(上)

In electronic payment password technology application (part 1)

电子支付的本质是网上电子资金流信息,必须严加安全风险防范。没有密码学就没有信息系统的安全。本文着重论述了金融界电子支付中使用的各种密码技术,其中包括了传统对称密码技术、非对称密码技术、密码杂凑函数以及数字证书、OTP等采用的密码技术。电子支付中应用了这些密码技术,确保了电子交易的安全,保障了交易支付数据的完整性、保密性、可靠性、不可否认性和可审计性。

The essence of electronic payment is the information of web-based flow of funds, which needs to be guarded against security risks. There is no information system （IS） security without cryptology. This study focuses on a variety of cryptography techniques including the traditional symmetric cryptography, asymmetric cryptography, password Cryptanalysis of Hash Ftmctions, as well as digital certificate and other cryptography techniques that is used among the financial community in electronic payments. These cryptography techniques are used in electronic payments, ensuring the security of electronic transactions, and guarantee the integrity, confidentiality, reliability, non-repudiation and auditability of the transactions data. This study has elaborated on the security of the techniques above.