libssh2_userauth_publickey - authenticate using a callback function
#include <libssh2.h>
int libssh2_userauth_publickey(LIBSSH2_SESSION *session,
const char *user,
const unsigned char *pubkeydata,
size_t pubkeydata_len,
sign_callback,
void **abstract);
Authenticate with the sign_callback callback that matches the prototype
below
int name(LIBSSH2_SESSION *session, unsigned char **sig, size_t *sig_len,
const unsigned char *data, size_t data_len, void **abstract);
This function gets called...
Return 0 on success or negative on failure.
libssh2_userauth_publickey_fromfile_ex(3)