mm_sshkey_sign
int mm_sshkey_sign(struct ssh *, struct sshkey *, u_char **, size_t *,
int mm_sshkey_sign(struct sshkey *, u_char **, u_int *,
if (mm_sshkey_sign(ssh, privkey, signature, slenp,
if (mm_sshkey_sign(ssh, pubkey, signature, slenp,