Hi
I would like to know if there is a libcrypto API to read a public/private
key from a keyfile and populate the RSA structure, so that one can do
other operations (encrypt, sign, decrypt, verify) using that RSA struct.
What I am looking for is an equivalent of SSL_use_RSAPrivateKey_file for
the RSA context.
IOW, one can call RSA_generate_key() to get an RSA structure which is already
loaded with the RSA keys and hence can be directly used as a valid argument to
RSA_{public|private}_encrypt,
RSA_{public|private}_decrypt, RSA_sign and RSA_verify functions.
But if I have an already generated key (common case) which I would like
to be used for the above operations, how do I get that key inside the RSA
struct.
I've noticed that programs which need to do this, e.g. openssl, openssh
etc, they all do it by hand, reading the key from the file and populating the
RSA struct.
Is there are API for doing this and if not, I would be curious to know
why, as this seems like a very common use-case to me.
Thanx,
Tomar
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