If this has been discussed (I didn't see it in the archives) then could
someone direct me to the right place?
I've been tasked with locking a piece of linux software to a given MAC
address, possibly with an expiration time. My thought was to write a
"license generator" which would take a date string and the MAC address,
encrypt it with our private key, and write it to a file we would put on
the machine. Then, at run time, the machine would decrypt this file
with our public key (stored on the machine), and compare against the MAC
address and date.
My question is: Has anyone already done this using the OpenSSL libs? If
so, can you point me to it? If not, are there any good examples from
which I could work? I've tried to hack one together from rsa_test.c but
I don't really undertsand what I'm doing......
thanks very much,
dave.
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