Add gcry_pubkey_get_sexp.

* src/gcrypt.h.in (GCRY_PK_GET_PUBKEY): New.
(GCRY_PK_GET_SECKEY): New.
(gcry_pubkey_get_sexp): New.
* src/visibility.c (gcry_pubkey_get_sexp): New.
* src/visibility.h (gcry_pubkey_get_sexp): Mark visible.
* src/libgcrypt.def, src/libgcrypt.vers: Add new function.
* cipher/pubkey-internal.h: New.
* cipher/Makefile.am (libcipher_la_SOURCES): Add new file.
* cipher/ecc.c: Include pubkey-internal.h
(_gcry_pk_ecc_get_sexp): New.
* cipher/pubkey.c: Include pubkey-internal.h and context.h.
(_gcry_pubkey_get_sexp): New.
* src/context.c (_gcry_ctx_find_pointer): New.
* src/cipher-proto.h: Add _gcry_pubkey_get_sexp.
* tests/t-mpi-point.c (print_sexp): New.
(context_param, basic_ec_math_simplified): Add tests for the new
function.

* configure.ac (NEED_GPG_ERROR_VERSION): Set to 1.11.
(AH_BOTTOM) Add error codes from gpg-error 1.12
* src/g10lib.h (fips_not_operational): Use GPG_ERR_NOT_OPERATIONAL.

* mpi/ec.c (_gcry_mpi_ec_get_mpi): Fix computation of Q.
(_gcry_mpi_ec_get_point): Ditto.
--

While checking the new code I figured that the auto-computation of Q
must have led to a segv.  It seems we had no test case for that.

Signed-off-by: Werner Koch <wk@gnupg.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/visibility.c b/src/visibility.c
index ed68b860..b503be66 100644
--- a/src/visibility.c
+++ b/src/visibility.c
@@ -862,6 +862,17 @@ gcry_pk_get_param (int algo, const char *name)
 }
 
 gcry_error_t
+gcry_pubkey_get_sexp (gcry_sexp_t *r_sexp, int mode, gcry_ctx_t ctx)
+{
+  if (!fips_is_operational ())
+    {
+      *r_sexp = NULL;
+      return gpg_error (fips_not_operational ());
+    }
+  return gpg_error (_gcry_pubkey_get_sexp (r_sexp, mode, ctx));
+}
+
+gcry_error_t
 gcry_md_open (gcry_md_hd_t *h, int algo, unsigned int flags)
 {
   if (!fips_is_operational ())