刚开始接触Mifare Desfire 卡,对这两种密钥有点疑惑,读卡片内容的时候是必须先验证卡主密钥,然后再验证对应的要读取的应用程序的密钥吗?这两个密钥之间的关联有点分不清,谢谢各位帮忙指教。
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Hi Huan Tang,
卡秘钥是保护根权限的,比如创建application或者更改密钥等, 应用秘钥则对某个application里面的file存取的权限进行密钥保护。
Hope that helps,
Have a great day,
Kan
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多看了几遍datasheet,确实如此,谢谢回复。
Hi Huan Tang,
卡秘钥是保护根权限的,比如创建application或者更改密钥等, 应用秘钥则对某个application里面的file存取的权限进行密钥保护。
Hope that helps,
Have a great day,
Kan
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
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