E-wallet has been carried out around the world in a hot topic in e-commerce activities of its security issues of concern. This article describes the key management program to meet both China's financial IC card electronic wallet of the requirements of the relevant specifications, and on this basis, by increasing the key type, expansion of key security algorithm, the key attributes of a rich, using line encryption protection, the design flexible security mechanism, greatly improving the key loading, updating and storage security, to avoid the key being read or tampered with malicious outsiders, making the whole e-wallet key system more safe and reliable. In addition, the loading and updating of the key parts, this also gives the code based on Java Card technology, to achieve.
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