小米路由固件解包打包
来自Jack's Lab
1 工具
小米自己改了个打包解包固件的工具,基于 trx 改的,加了 RSA 验证和解包功能,路由系统里自带:
root@XiaoQiang:/userdisk/rom/0.2.62$ mkxqimage -h mkxqimage: invalid option -- h Usage: mkxqimg [-o outfile] [-p private_key] [-f file] [-f file [-f file [-f file ]]] -----> 打包 [-x file] -----> 解包
mkxqimage 解包打包时都会去读这个文件: /usr/share/xiaoqiang/public.pem
没有会报:
root@XiaoQiang:/userdisk/rom/0.2.62$ mv /usr/share/xiaoqiang/public.pem / root@XiaoQiang:/userdisk/rom/0.2.62$ mkxqimage -x ../brcm4709_hdk_0.2.62.bin error fopen public key Image verify failed, not formal image
打包时会把校验后的码写在文件里,检验失败会报:
root@XiaoQiang:/userdisk/rom/0.2.62$ mkxqimage -x ../brcm4709_hdk_0.2.62.bin error PEM_read_RSAPublicKey Image verify failed, not formal image
2 解包
解包成功则:
root@XiaoQiang:/userdisk/rom/0.2.62$ mkxqimage -x ../brcm4709_hdk_0.2.62.bin -rw-r--r-- 1 root root 37199873 Nov 28 01:21 root.ext4.lzma -rw-r--r-- 1 root root 2813952 Nov 28 01:21 vmlinuz.trx