agent,ecc: Use of opaque MPI for ECC, fixup 'd'.
* agent/Makefile.am: Add sexp-secret.c. * agent/agent.h: New function declarations. * agent/sexp-secret.c: New. * agent/findkey.c (agent_key_from_file): Use sexp_sscan_private_key. * agent/protect-tool.c (read_and_unprotect): Fix up private part, calling fixup_when_ecc_private_key.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>