Hi curlers,

Thank you for your helps.
I have fixed this issue.
It is happened in OpenSSL.
And the root course is that my embedded linux device's system time was not
right.
The device's system time always starts from 1970.1.1, when it turns on.
After I reset the time with date command, there is no error at all.
I can use this command:
/tmp # ./curl -v --cacert ./cacert.pem https://curl.haxx.se/

Thanks everyone

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Received on 2016-12-15