应用笔记 3676

SHA-1安全系统中的DS2460


摘要 : 带EEPROM的SHA-1协处理器DS2460是SHA-1 iButton DS1963S的低成本替代方案。得益于其经过优化的结构,DS2460更易使用、封装尺寸更小、灵活性也更大。本文比较了DS2460和DS1963S。在此讨论了多个主题,包括:架构与实例;如何使得一个带DS2460协处理器的主机获得安全保障;认证及签名的MAC;为协处理加载密钥并保障密钥的安全;并介绍了如何将白皮书1中的小型eCash系统从DS1963S移植到DS2460协处理器。br>
另请参考应用笔记1820:White Paper 1: SHA Devices Used in Small Cash Systems


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应用笔记 3676,AN3676, AN 3676, APP3676, Appnote3676, Appnote 3676