05-27-2016
I'm not quite sure what you are asking, so perhaps I'm off on the wrong track, but the public key would be shared/copied to the target server so that your client can open the connection.
The private key is not shared with anyone. The process, as I understand it, is that the host sending data encrypts it with the public key of the other. The public key of the server is shared to you as you open the connection first time (the question about the fingerprint and storing it in the known_hosts file) The only process that can decrypt each packet then is the one with (local & private) access to the private key. Your private key is never shared on the network.
What are you actually trying to achieve?
Can you give more examples (in CODE tags) of what you have set up - but don't publish your private key, naturally!
Thanks,
Robin
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LEARN ABOUT MINIX
dh_generate_key
DH_generate_key(3SSL) OpenSSL DH_generate_key(3SSL)
NAME
DH_generate_key, DH_compute_key - perform Diffie-Hellman key exchange
SYNOPSIS
#include <openssl/dh.h>
int DH_generate_key(DH *dh);
int DH_compute_key(unsigned char *key, BIGNUM *pub_key, DH *dh);
DESCRIPTION
DH_generate_key() performs the first step of a Diffie-Hellman key exchange by generating private and public DH values. By calling
DH_compute_key(), these are combined with the other party's public value to compute the shared key.
DH_generate_key() expects dh to contain the shared parameters dh->p and dh->g. It generates a random private DH value unless dh->priv_key
is already set, and computes the corresponding public value dh->pub_key, which can then be published.
DH_compute_key() computes the shared secret from the private DH value in dh and the other party's public value in pub_key and stores it in
key. key must point to DH_size(dh) bytes of memory.
RETURN VALUES
DH_generate_key() returns 1 on success, 0 otherwise.
DH_compute_key() returns the size of the shared secret on success, -1 on error.
The error codes can be obtained by ERR_get_error(3).
SEE ALSO
dh(3), ERR_get_error(3), rand(3), DH_size(3)
HISTORY
DH_generate_key() and DH_compute_key() are available in all versions of SSLeay and OpenSSL.
1.0.1e 2013-02-11 DH_generate_key(3SSL)