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派生密钥3.0(r3key / l3key)适用于AD16N芯片,是为了代理商为多家客户供货而设计的。 目的是代理商手握一个r3key,并以此为母本,生成出多个不同的l3key;代理商为其下游不同客户分配不同的l3key,再以l3key加密flash,从而确保芯片程序加密的安全性。
注:r3key不是完整的密钥,不能直接用于加密;其派生出的l3key才是可用于加密的完整密钥
用户加密程序时,在download_bat.c批处理中,添加申请到的l3key文件名,并将l3key文件置于isd_download.exe同一目录下,重新编译程序即可加密程序。
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一、简介
派生密钥3.0(r3key / l3key)适用于AD16N芯片,是为了代理商为多家客户供货而设计的。
目的是代理商手握一个r3key,并以此为母本,生成出多个不同的l3key;代理商为其下游不同客户分配不同的l3key,再以l3key加密flash,从而确保芯片程序加密的安全性。
注:r3key不是完整的密钥,不能直接用于加密;其派生出的l3key才是可用于加密的完整密钥
二、说明:
三、使用
用户加密程序时,在download_bat.c批处理中,添加申请到的l3key文件名,并将l3key文件置于isd_download.exe同一目录下,重新编译程序即可加密程序。
The text was updated successfully, but these errors were encountered: