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, 29 insertions, 0 deletions

diff --git a/cipher/pubkey-internal.h b/cipher/pubkey-internal.h
new file mode 100644
index 00000000..0ca17a50
--- /dev/null
+++ b/cipher/pubkey-internal.h
@@ -0,0 +1,29 @@
+/* pubkey-internal.h  - Internal defs for pubkey.c
+ * Copyright (C) 2013 g10 code GmbH
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GCRY_PUBKEY_INTERNAL_H
+#define GCRY_PUBKEY_INTERNAL_H
+
+
+/*-- ecc.c --*/
+gpg_err_code_t _gcry_pk_ecc_get_sexp (gcry_sexp_t *r_sexp, int mode,
+                                      mpi_ec_t ec);
+
+
+#endif /*GCRY_PUBKEY_INTERNAL_H*/