Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1324 insertions, 0 deletions

diff --git a/comm/third_party/libgcrypt/tests/t-mpi-point.c b/comm/third_party/libgcrypt/tests/t-mpi-point.c
new file mode 100644
index 0000000000..4e5552906a
--- /dev/null
+++ b/comm/third_party/libgcrypt/tests/t-mpi-point.c
@@ -0,0 +1,1324 @@
+/* t-mpi-point.c  - Tests for mpi point functions
+ * 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/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <stdarg.h>
+
+#define PGM "t-mpi-point"
+#include "t-common.h"
+
+static struct
+{
+  const char *desc;           /* Description of the curve.  */
+  const char *p;              /* Order of the prime field.  */
+  const char *a, *b;          /* The coefficients. */
+  const char *n;              /* The order of the base point.  */
+  const char *g_x, *g_y;      /* Base point.  */
+  const char *h;              /* Cofactor.  */
+} test_curve[] =
+  {
+    {
+      "NIST P-192",
+      "0xfffffffffffffffffffffffffffffffeffffffffffffffff",
+      "0xfffffffffffffffffffffffffffffffefffffffffffffffc",
+      "0x64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1",
+      "0xffffffffffffffffffffffff99def836146bc9b1b4d22831",
+
+      "0x188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012",
+      "0x07192b95ffc8da78631011ed6b24cdd573f977a11e794811",
+      "0x01"
+    },
+    {
+      "NIST P-224",
+      "0xffffffffffffffffffffffffffffffff000000000000000000000001",
+      "0xfffffffffffffffffffffffffffffffefffffffffffffffffffffffe",
+      "0xb4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4",
+      "0xffffffffffffffffffffffffffff16a2e0b8f03e13dd29455c5c2a3d" ,
+
+      "0xb70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21",
+      "0xbd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34",
+      "0x01"
+    },
+    {
+      "NIST P-256",
+      "0xffffffff00000001000000000000000000000000ffffffffffffffffffffffff",
+      "0xffffffff00000001000000000000000000000000fffffffffffffffffffffffc",
+      "0x5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b",
+      "0xffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551",
+
+      "0x6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296",
+      "0x4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5",
+      "0x01"
+    },
+    {
+      "NIST P-384",
+      "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"
+      "ffffffff0000000000000000ffffffff",
+      "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"
+      "ffffffff0000000000000000fffffffc",
+      "0xb3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875a"
+      "c656398d8a2ed19d2a85c8edd3ec2aef",
+      "0xffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf"
+      "581a0db248b0a77aecec196accc52973",
+
+      "0xaa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a38"
+      "5502f25dbf55296c3a545e3872760ab7",
+      "0x3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c0"
+      "0a60b1ce1d7e819d7a431d7c90ea0e5f",
+      "0x01"
+    },
+    {
+      "NIST P-521",
+      "0x01ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+      "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+      "0x01ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+      "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc",
+      "0x051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef10"
+      "9e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00",
+      "0x1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+      "ffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409",
+
+      "0xc6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3d"
+      "baa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66",
+      "0x11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e6"
+      "62c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650",
+      "0x01"
+    },
+    {
+      "Ed25519",
+      "0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFED",
+      "0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC",
+      "0x52036CEE2B6FFE738CC740797779E89800700A4D4141D8AB75EB4DCA135978A3",
+      "0x1000000000000000000000000000000014DEF9DEA2F79CD65812631A5CF5D3ED",
+      "0x216936D3CD6E53FEC0A4E231FDD6DC5C692CC7609525A7B2C9562D608F25D51A",
+      "0x6666666666666666666666666666666666666666666666666666666666666658",
+      "0x08"
+    },
+    { NULL, NULL, NULL, NULL, NULL, NULL }
+  };
+
+/* A sample public key for NIST P-256.  */
+static const char sample_p256_q[] =
+  "04"
+  "42B927242237639A36CE9221B340DB1A9AB76DF2FE3E171277F6A4023DED146E"
+  "E86525E38CCECFF3FB8D152CC6334F70D23A525175C1BCBDDE6E023B2228770E";
+static const char sample_p256_q_x[] =
+  "42B927242237639A36CE9221B340DB1A9AB76DF2FE3E171277F6A4023DED146E";
+static const char sample_p256_q_y[] =
+  "00E86525E38CCECFF3FB8D152CC6334F70D23A525175C1BCBDDE6E023B2228770E";
+
+
+/* A sample public key for Ed25519.  */
+static const char sample_ed25519_q[] =
+  "04"
+  "55d0e09a2b9d34292297e08d60d0f620c513d47253187c24b12786bd777645ce"
+  "1a5107f7681a02af2523a6daf372e10e3a0764c9d3fe4bd5b70ab18201985ad7";
+static const char sample_ed25519_q_x[] =
+  "55d0e09a2b9d34292297e08d60d0f620c513d47253187c24b12786bd777645ce";
+static const char sample_ed25519_q_y[] =
+  "1a5107f7681a02af2523a6daf372e10e3a0764c9d3fe4bd5b70ab18201985ad7";
+static const char sample_ed25519_q_eddsa[] =
+  "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a";
+static const char sample_ed25519_d[] =
+  "9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60";
+
+
+static void
+print_mpi_2 (const char *text, const char *text2, gcry_mpi_t a)
+{
+  gcry_error_t err;
+  char *buf;
+  void *bufaddr = &buf;
+
+  err = gcry_mpi_aprint (GCRYMPI_FMT_HEX, bufaddr, NULL, a);
+  if (err)
+    fprintf (stderr, "%s%s: [error printing number: %s]\n",
+             text, text2? text2:"", gpg_strerror (err));
+  else
+    {
+      fprintf (stderr, "%s%s: %s\n", text, text2? text2:"", buf);
+      gcry_free (buf);
+    }
+}
+
+
+static void
+print_mpi (const char *text, gcry_mpi_t a)
+{
+  print_mpi_2 (text, NULL, a);
+}
+
+
+static void
+print_point (const char *text, gcry_mpi_point_t a)
+{
+  gcry_mpi_t x, y, z;
+
+  x = gcry_mpi_new (0);
+  y = gcry_mpi_new (0);
+  z = gcry_mpi_new (0);
+  gcry_mpi_point_get (x, y, z, a);
+  print_mpi_2 (text, ".x", x);
+  print_mpi_2 (text, ".y", y);
+  print_mpi_2 (text, ".z", z);
+  gcry_mpi_release (x);
+  gcry_mpi_release (y);
+  gcry_mpi_release (z);
+}
+
+
+static void
+print_sexp (const char *prefix, gcry_sexp_t a)
+{
+  char *buf;
+  size_t size;
+
+  if (prefix)
+    fputs (prefix, stderr);
+  size = gcry_sexp_sprint (a, GCRYSEXP_FMT_ADVANCED, NULL, 0);
+  buf = gcry_xmalloc (size);
+
+  gcry_sexp_sprint (a, GCRYSEXP_FMT_ADVANCED, buf, size);
+  fprintf (stderr, "%.*s", (int)size, buf);
+  gcry_free (buf);
+}
+
+
+static gcry_mpi_t
+hex2mpi (const char *string)
+{
+  gpg_error_t err;
+  gcry_mpi_t val;
+
+  err = gcry_mpi_scan (&val, GCRYMPI_FMT_HEX, string, 0, NULL);
+  if (err)
+    die ("hex2mpi '%s' failed: %s\n", string, gpg_strerror (err));
+  return val;
+}
+
+
+/* Convert STRING consisting of hex characters into its binary
+   representation and return it as an allocated buffer. The valid
+   length of the buffer is returned at R_LENGTH.  The string is
+   delimited by end of string.  The function returns NULL on
+   error.  */
+static void *
+hex2buffer (const char *string, size_t *r_length)
+{
+  const char *s;
+  unsigned char *buffer;
+  size_t length;
+
+  buffer = xmalloc (strlen(string)/2+1);
+  length = 0;
+  for (s=string; *s; s +=2 )
+    {
+      if (!hexdigitp (s) || !hexdigitp (s+1))
+        return NULL;           /* Invalid hex digits. */
+      ((unsigned char*)buffer)[length++] = xtoi_2 (s);
+    }
+  *r_length = length;
+  return buffer;
+}
+
+
+static gcry_mpi_t
+hex2mpiopa (const char *string)
+{
+  char *buffer;
+  size_t buflen;
+  gcry_mpi_t val;
+
+  buffer = hex2buffer (string, &buflen);
+  if (!buffer)
+    die ("hex2mpiopa '%s' failed: parser error\n", string);
+  val = gcry_mpi_set_opaque (NULL, buffer, buflen*8);
+  if (!buffer)
+    die ("hex2mpiopa '%s' failed: set_opaque error\n", string);
+  return val;
+}
+
+
+/* Compare A to B, where B is given as a hex string.  */
+static int
+cmp_mpihex (gcry_mpi_t a, const char *b)
+{
+  gcry_mpi_t bval;
+  int res;
+
+  if (gcry_mpi_get_flag (a, GCRYMPI_FLAG_OPAQUE))
+    bval = hex2mpiopa (b);
+  else
+    bval = hex2mpi (b);
+  res = gcry_mpi_cmp (a, bval);
+  gcry_mpi_release (bval);
+  return res;
+}
+
+
+/* Wrapper to emulate the libgcrypt internal EC context allocation
+   function.  */
+static gpg_error_t
+ec_p_new (gcry_ctx_t *r_ctx, gcry_mpi_t p, gcry_mpi_t a)
+{
+  gpg_error_t err;
+  gcry_sexp_t sexp;
+
+  if (p && a)
+    err = gcry_sexp_build (&sexp, NULL, "(ecdsa (p %m)(a %m))", p, a);
+  else if (p)
+    err = gcry_sexp_build (&sexp, NULL, "(ecdsa (p %m))", p);
+  else if (a)
+    err = gcry_sexp_build (&sexp, NULL, "(ecdsa (a %m))", a);
+  else
+    err = gcry_sexp_build (&sexp, NULL, "(ecdsa)");
+  if (err)
+    return err;
+  err = gcry_mpi_ec_new (r_ctx, sexp, NULL);
+  gcry_sexp_release (sexp);
+  return err;
+}
+
+
+
+static void
+set_get_point (void)
+{
+  gcry_mpi_point_t point, point2;
+  gcry_mpi_t x, y, z;
+
+  wherestr = "set_get_point";
+  info ("checking point setting functions\n");
+
+  point = gcry_mpi_point_new (0);
+  x = gcry_mpi_set_ui (NULL, 17);
+  y = gcry_mpi_set_ui (NULL, 42);
+  z = gcry_mpi_set_ui (NULL, 11371);
+  gcry_mpi_point_get (x, y, z, point);
+  if (gcry_mpi_cmp_ui (x, 0)
+      || gcry_mpi_cmp_ui (y, 0) || gcry_mpi_cmp_ui (z, 0))
+    fail ("new point not initialized to (0,0,0)\n");
+  gcry_mpi_point_snatch_get (x, y, z, point);
+  point = NULL;
+  if (gcry_mpi_cmp_ui (x, 0)
+      || gcry_mpi_cmp_ui (y, 0) || gcry_mpi_cmp_ui (z, 0))
+    fail ("snatch_get failed\n");
+  gcry_mpi_release (x);
+  gcry_mpi_release (y);
+  gcry_mpi_release (z);
+
+  point = gcry_mpi_point_new (0);
+  x = gcry_mpi_set_ui (NULL, 17);
+  y = gcry_mpi_set_ui (NULL, 42);
+  z = gcry_mpi_set_ui (NULL, 11371);
+  gcry_mpi_point_set (point, x, y, z);
+  gcry_mpi_set_ui (x, 23);
+  gcry_mpi_set_ui (y, 24);
+  gcry_mpi_set_ui (z, 25);
+  gcry_mpi_point_get (x, y, z, point);
+  if (gcry_mpi_cmp_ui (x, 17)
+      || gcry_mpi_cmp_ui (y, 42) || gcry_mpi_cmp_ui (z, 11371))
+    fail ("point_set/point_get failed\n");
+  gcry_mpi_point_snatch_set (point, x, y, z);
+  x = gcry_mpi_new (0);
+  y = gcry_mpi_new (0);
+  z = gcry_mpi_new (0);
+  gcry_mpi_point_get (x, y, z, point);
+  if (gcry_mpi_cmp_ui (x, 17)
+      || gcry_mpi_cmp_ui (y, 42) || gcry_mpi_cmp_ui (z, 11371))
+    fail ("point_snatch_set/point_get failed\n");
+
+  point2 = gcry_mpi_point_copy (point);
+
+  gcry_mpi_point_get (x, y, z, point2);
+  if (gcry_mpi_cmp_ui (x, 17)
+      || gcry_mpi_cmp_ui (y, 42) || gcry_mpi_cmp_ui (z, 11371))
+    fail ("point_copy failed (1)\n");
+
+  gcry_mpi_point_release (point);
+
+  gcry_mpi_point_get (x, y, z, point2);
+  if (gcry_mpi_cmp_ui (x, 17)
+      || gcry_mpi_cmp_ui (y, 42) || gcry_mpi_cmp_ui (z, 11371))
+    fail ("point_copy failed (2)\n");
+
+  gcry_mpi_point_release (point2);
+
+  gcry_mpi_release (x);
+  gcry_mpi_release (y);
+  gcry_mpi_release (z);
+}
+
+
+static void
+context_alloc (void)
+{
+  gpg_error_t err;
+  gcry_ctx_t ctx;
+  gcry_mpi_t p, a;
+
+  wherestr = "context_alloc";
+  info ("checking context functions\n");
+
+  p = gcry_mpi_set_ui (NULL, 1);
+  a = gcry_mpi_set_ui (NULL, 1);
+  err = ec_p_new (&ctx, p, a);
+  if (err)
+    die ("ec_p_new returned an error: %s\n", gpg_strerror (err));
+  gcry_mpi_release (p);
+  gcry_mpi_release (a);
+  gcry_ctx_release (ctx);
+
+  p = NULL;
+  a = gcry_mpi_set_ui (NULL, 0);
+
+  err = ec_p_new (&ctx, p, a);
+  if (!err || gpg_err_code (err) != GPG_ERR_EINVAL)
+    fail ("ec_p_new: bad parameter detection failed (1)\n");
+
+  gcry_mpi_release (a);
+  a = NULL;
+  err = ec_p_new (&ctx, p, a);
+  if (!err || gpg_err_code (err) != GPG_ERR_EINVAL)
+    fail ("ec_p_new: bad parameter detection failed (2)\n");
+
+}
+
+
+static int
+get_and_cmp_mpi (const char *name, const char *mpistring, const char *desc,
+                 gcry_ctx_t ctx)
+{
+  gcry_mpi_t mpi;
+
+  mpi = gcry_mpi_ec_get_mpi (name, ctx, 1);
+  if (!mpi)
+    {
+      fail ("error getting parameter '%s' of curve '%s'\n", name, desc);
+      return 1;
+    }
+  if (debug)
+    print_mpi (name, mpi);
+  if (cmp_mpihex (mpi, mpistring))
+    {
+      fail ("parameter '%s' of curve '%s' does not match\n", name, desc);
+      gcry_mpi_release (mpi);
+      return 1;
+    }
+  gcry_mpi_release (mpi);
+  return 0;
+}
+
+
+static int
+get_and_cmp_point (const char *name,
+                   const char *mpi_x_string, const char *mpi_y_string,
+                   const char *desc, gcry_ctx_t ctx)
+{
+  gcry_mpi_point_t point;
+  gcry_mpi_t x, y, z;
+  int result = 0;
+
+  point = gcry_mpi_ec_get_point (name, ctx, 1);
+  if (!point)
+    {
+      fail ("error getting point parameter '%s' of curve '%s'\n", name, desc);
+      return 1;
+    }
+  if (debug)
+    print_point (name, point);
+
+  x = gcry_mpi_new (0);
+  y = gcry_mpi_new (0);
+  z = gcry_mpi_new (0);
+  gcry_mpi_point_snatch_get (x, y, z, point);
+  if (cmp_mpihex (x, mpi_x_string))
+    {
+      fail ("x coordinate of '%s' of curve '%s' does not match\n", name, desc);
+      result = 1;
+    }
+  if (cmp_mpihex (y, mpi_y_string))
+    {
+      fail ("y coordinate of '%s' of curve '%s' does not match\n", name, desc);
+      result = 1;
+    }
+  if (cmp_mpihex (z, "01"))
+    {
+      fail ("z coordinate of '%s' of curve '%s' is not 1\n", name, desc);
+      result = 1;
+    }
+  gcry_mpi_release (x);
+  gcry_mpi_release (y);
+  gcry_mpi_release (z);
+  return result;
+}
+
+
+static void
+context_param (void)
+{
+  gpg_error_t err;
+  int idx;
+  gcry_ctx_t ctx = NULL;
+  gcry_mpi_t q, d;
+  gcry_sexp_t keyparam;
+
+  wherestr = "context_param";
+
+  info ("checking standard curves\n");
+  for (idx=0; test_curve[idx].desc; idx++)
+    {
+      /* P-192 and Ed25519 are not supported in fips mode */
+      if (gcry_fips_mode_active())
+        {
+          if (!strcmp(test_curve[idx].desc, "NIST P-192")
+              || !strcmp(test_curve[idx].desc, "Ed25519"))
+            {
+	      info ("skipping %s in fips mode\n", test_curve[idx].desc );
+              continue;
+            }
+        }
+
+      gcry_ctx_release (ctx);
+      err = gcry_mpi_ec_new (&ctx, NULL, test_curve[idx].desc);
+      if (err)
+        {
+          fail ("can't create context for curve '%s': %s\n",
+                test_curve[idx].desc, gpg_strerror (err));
+          continue;
+        }
+      if (get_and_cmp_mpi ("p", test_curve[idx].p, test_curve[idx].desc, ctx))
+        continue;
+      if (get_and_cmp_mpi ("a", test_curve[idx].a, test_curve[idx].desc, ctx))
+        continue;
+      if (get_and_cmp_mpi ("b", test_curve[idx].b, test_curve[idx].desc, ctx))
+        continue;
+      if (get_and_cmp_mpi ("g.x",test_curve[idx].g_x, test_curve[idx].desc,ctx))
+        continue;
+      if (get_and_cmp_mpi ("g.y",test_curve[idx].g_y, test_curve[idx].desc,ctx))
+        continue;
+      if (get_and_cmp_mpi ("n", test_curve[idx].n, test_curve[idx].desc, ctx))
+        continue;
+      if (get_and_cmp_point ("g", test_curve[idx].g_x, test_curve[idx].g_y,
+                             test_curve[idx].desc, ctx))
+        continue;
+      if (get_and_cmp_mpi ("h", test_curve[idx].h, test_curve[idx].desc, ctx))
+        continue;
+
+    }
+
+  info ("checking sample public key (nistp256)\n");
+  q = hex2mpi (sample_p256_q);
+  err = gcry_sexp_build (&keyparam, NULL,
+                        "(public-key(ecc(curve %s)(q %m)))",
+                        "NIST P-256", q);
+  if (err)
+    die ("gcry_sexp_build failed: %s\n", gpg_strerror (err));
+  gcry_mpi_release (q);
+
+  /* We can't call gcry_pk_testkey because it is only implemented for
+     private keys.  */
+  /* err = gcry_pk_testkey (keyparam); */
+  /* if (err) */
+  /*   fail ("gcry_pk_testkey failed for sample public key: %s\n", */
+  /*         gpg_strerror (err)); */
+
+  gcry_ctx_release (ctx);
+  err = gcry_mpi_ec_new (&ctx, keyparam, NULL);
+  if (err)
+    fail ("gcry_mpi_ec_new failed for sample public key (nistp256): %s\n",
+          gpg_strerror (err));
+  else
+    {
+      gcry_sexp_t sexp;
+
+      get_and_cmp_mpi ("q", sample_p256_q, "nistp256", ctx);
+      get_and_cmp_point ("q", sample_p256_q_x, sample_p256_q_y, "nistp256",
+                         ctx);
+
+      /* Delete Q.  */
+      err = gcry_mpi_ec_set_mpi ("q", NULL, ctx);
+      if (err)
+        fail ("clearing Q for nistp256 failed: %s\n", gpg_strerror (err));
+      if (gcry_mpi_ec_get_mpi ("q", ctx, 0))
+        fail ("clearing Q for nistp256 did not work\n");
+
+      /* Set Q again.  */
+      q = hex2mpi (sample_p256_q);
+      err = gcry_mpi_ec_set_mpi ("q", q, ctx);
+      if (err)
+        fail ("setting Q for nistp256 failed: %s\n", gpg_strerror (err));
+      get_and_cmp_mpi ("q", sample_p256_q, "nistp256(2)", ctx);
+      gcry_mpi_release (q);
+
+      /* Get as s-expression.  */
+      err = gcry_pubkey_get_sexp (&sexp, 0, ctx);
+      if (err)
+        fail ("gcry_pubkey_get_sexp(0) failed: %s\n", gpg_strerror (err));
+      else if (debug)
+        print_sexp ("Result of gcry_pubkey_get_sexp (0):\n", sexp);
+      gcry_sexp_release (sexp);
+
+      err = gcry_pubkey_get_sexp (&sexp, GCRY_PK_GET_PUBKEY, ctx);
+      if (err)
+        fail ("gcry_pubkey_get_sexp(GET_PUBKEY) failed: %s\n",
+              gpg_strerror (err));
+      else if (debug)
+        print_sexp ("Result of gcry_pubkey_get_sexp (GET_PUBKEY):\n", sexp);
+      gcry_sexp_release (sexp);
+
+      err = gcry_pubkey_get_sexp (&sexp, GCRY_PK_GET_SECKEY, ctx);
+      if (gpg_err_code (err) != GPG_ERR_NO_SECKEY)
+        fail ("gcry_pubkey_get_sexp(GET_SECKEY) returned wrong error: %s\n",
+              gpg_strerror (err));
+      gcry_sexp_release (sexp);
+    }
+
+  /* Skipping Ed25519 if in FIPS mode (it isn't supported) */
+  if (gcry_fips_mode_active())
+    goto cleanup;
+
+  info ("checking sample public key (Ed25519)\n");
+  q = hex2mpi (sample_ed25519_q);
+  gcry_sexp_release (keyparam);
+  err = gcry_sexp_build (&keyparam, NULL,
+                        "(public-key(ecc(curve %s)(flags eddsa)(q %m)))",
+                        "Ed25519", q);
+  if (err)
+    die ("gcry_sexp_build failed: %s\n", gpg_strerror (err));
+  gcry_mpi_release (q);
+
+  /* We can't call gcry_pk_testkey because it is only implemented for
+     private keys.  */
+  /* err = gcry_pk_testkey (keyparam); */
+  /* if (err) */
+  /*   fail ("gcry_pk_testkey failed for sample public key: %s\n", */
+  /*         gpg_strerror (err)); */
+
+  gcry_ctx_release (ctx);
+  err = gcry_mpi_ec_new (&ctx, keyparam, NULL);
+  if (err)
+    fail ("gcry_mpi_ec_new failed for sample public key: %s\n",
+          gpg_strerror (err));
+  else
+    {
+      gcry_sexp_t sexp;
+
+      get_and_cmp_mpi ("q", sample_ed25519_q, "Ed25519", ctx);
+      get_and_cmp_point ("q", sample_ed25519_q_x, sample_ed25519_q_y,
+                         "Ed25519", ctx);
+      get_and_cmp_mpi ("q@eddsa", sample_ed25519_q_eddsa, "Ed25519", ctx);
+
+      /* Set d to see whether Q is correctly re-computed.  */
+      d = hex2mpi (sample_ed25519_d);
+      err = gcry_mpi_ec_set_mpi ("d", d, ctx);
+      if (err)
+        fail ("setting d for Ed25519 failed: %s\n", gpg_strerror (err));
+      gcry_mpi_release (d);
+      get_and_cmp_mpi ("q", sample_ed25519_q, "Ed25519(recompute Q)", ctx);
+
+      /* Delete Q by setting d and then clearing d.  The clearing is
+         required so that we can check whether Q has been cleared and
+         because further tests only expect a public key.  */
+      d = hex2mpi (sample_ed25519_d);
+      err = gcry_mpi_ec_set_mpi ("d", d, ctx);
+      if (err)
+        fail ("setting d for Ed25519 failed: %s\n", gpg_strerror (err));
+      gcry_mpi_release (d);
+      err = gcry_mpi_ec_set_mpi ("d", NULL, ctx);
+      if (err)
+        fail ("setting d for Ed25519 failed(2): %s\n", gpg_strerror (err));
+      if (gcry_mpi_ec_get_mpi ("q", ctx, 0))
+        fail ("setting d for Ed25519 did not reset Q\n");
+
+      /* Set Q again.  We need to use an opaque MPI here because
+         sample_ed25519_q is in uncompressed format which can only be
+         auto-detected if passed opaque.  */
+      q = hex2mpiopa (sample_ed25519_q);
+      err = gcry_mpi_ec_set_mpi ("q", q, ctx);
+      if (err)
+        fail ("setting Q for Ed25519 failed: %s\n", gpg_strerror (err));
+      gcry_mpi_release (q);
+      get_and_cmp_mpi ("q", sample_ed25519_q, "Ed25519(2)", ctx);
+
+      /* Get as s-expression.  */
+      err = gcry_pubkey_get_sexp (&sexp, 0, ctx);
+      if (err)
+        fail ("gcry_pubkey_get_sexp(0) failed: %s\n", gpg_strerror (err));
+      else if (debug)
+        print_sexp ("Result of gcry_pubkey_get_sexp (0):\n", sexp);
+      gcry_sexp_release (sexp);
+
+      err = gcry_pubkey_get_sexp (&sexp, GCRY_PK_GET_PUBKEY, ctx);
+      if (err)
+        fail ("gcry_pubkey_get_sexp(GET_PUBKEY) failed: %s\n",
+              gpg_strerror (err));
+      else if (debug)
+        print_sexp ("Result of gcry_pubkey_get_sexp (GET_PUBKEY):\n", sexp);
+      gcry_sexp_release (sexp);
+
+      err = gcry_pubkey_get_sexp (&sexp, GCRY_PK_GET_SECKEY, ctx);
+      if (gpg_err_code (err) != GPG_ERR_NO_SECKEY)
+        fail ("gcry_pubkey_get_sexp(GET_SECKEY) returned wrong error: %s\n",
+              gpg_strerror (err));
+      gcry_sexp_release (sexp);
+
+    }
+
+ cleanup:
+  gcry_ctx_release (ctx);
+  gcry_sexp_release (keyparam);
+}
+
+
+
+
+/* Create a new point from (X,Y,Z) given as hex strings.  */
+gcry_mpi_point_t
+make_point (const char *x, const char *y, const char *z)
+{
+  gcry_mpi_point_t point;
+
+  point = gcry_mpi_point_new (0);
+  gcry_mpi_point_snatch_set (point, hex2mpi (x), hex2mpi (y), hex2mpi (z));
+
+  return point;
+}
+
+
+/* This tests checks that the low-level EC API yields the same result
+   as using the high level API.  The values have been taken from a
+   test run using the high level API.  */
+static void
+basic_ec_math (void)
+{
+  gpg_error_t err;
+  gcry_ctx_t ctx;
+  gcry_mpi_t P, A;
+  gcry_mpi_point_t G, Q;
+  gcry_mpi_t d;
+  gcry_mpi_t x, y, z;
+
+  wherestr = "basic_ec_math";
+  info ("checking basic math functions for EC\n");
+
+  P = hex2mpi ("0xfffffffffffffffffffffffffffffffeffffffffffffffff");
+  A = hex2mpi ("0xfffffffffffffffffffffffffffffffefffffffffffffffc");
+  G = make_point ("188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012",
+                  "7192B95FFC8DA78631011ED6B24CDD573F977A11E794811",
+                  "1");
+  d = hex2mpi ("D4EF27E32F8AD8E2A1C6DDEBB1D235A69E3CEF9BCE90273D");
+  Q = gcry_mpi_point_new (0);
+
+  err = ec_p_new (&ctx, P, A);
+  if (err)
+    die ("ec_p_new failed: %s\n", gpg_strerror (err));
+
+  x = gcry_mpi_new (0);
+  y = gcry_mpi_new (0);
+  z = gcry_mpi_new (0);
+
+  {
+    /* A quick check that multiply by zero works.  */
+    gcry_mpi_t tmp;
+
+    tmp = gcry_mpi_new (0);
+    gcry_mpi_ec_mul (Q, tmp, G, ctx);
+    gcry_mpi_release (tmp);
+    gcry_mpi_point_get (x, y, z, Q);
+    if (gcry_mpi_cmp_ui (z, 0))
+      fail ("multiply a point by zero failed\n");
+  }
+
+  gcry_mpi_ec_mul (Q, d, G, ctx);
+
+  if (gcry_mpi_ec_get_affine (x, y, Q, ctx))
+    fail ("failed to get affine coordinates\n");
+  if (cmp_mpihex (x, "008532093BA023F4D55C0424FA3AF9367E05F309DC34CDC3FE")
+      || cmp_mpihex (y, "00C13CA9E617C6C8487BFF6A726E3C4F277913D97117939966"))
+    fail ("computed affine coordinates of public key do not match\n");
+  if (debug)
+    {
+      print_mpi ("q.x", x);
+      print_mpi ("q.y", y);
+    }
+
+  gcry_mpi_release (z);
+  gcry_mpi_release (y);
+  gcry_mpi_release (x);
+  gcry_mpi_point_release (Q);
+  gcry_mpi_release (d);
+  gcry_mpi_point_release (G);
+  gcry_mpi_release (A);
+  gcry_mpi_release (P);
+  gcry_ctx_release (ctx);
+}
+
+
+/* This is the same as basic_ec_math but uses more advanced
+   features.  */
+static void
+basic_ec_math_simplified (void)
+{
+  gpg_error_t err;
+  gcry_ctx_t ctx;
+  gcry_mpi_point_t G, Q;
+  gcry_mpi_t d;
+  gcry_mpi_t x, y, z;
+  gcry_sexp_t sexp;
+
+  wherestr = "basic_ec_math_simplified";
+  info ("checking basic math functions for EC (variant)\n");
+
+  d = hex2mpi ("D4EF27E32F8AD8E2A1C6DDEBB1D235A69E3CEF9BCE90273D");
+  Q = gcry_mpi_point_new (0);
+
+  err = gcry_mpi_ec_new (&ctx, NULL, "NIST P-192");
+  if (err)
+    die ("gcry_mpi_ec_new failed: %s\n", gpg_strerror (err));
+  G = gcry_mpi_ec_get_point ("g", ctx, 1);
+  if (!G)
+    die ("gcry_mpi_ec_get_point(G) failed\n");
+  gcry_mpi_ec_mul (Q, d, G, ctx);
+
+  x = gcry_mpi_new (0);
+  y = gcry_mpi_new (0);
+  z = gcry_mpi_new (0);
+
+  if (gcry_mpi_ec_get_affine (x, y, Q, ctx))
+    fail ("failed to get affine coordinates\n");
+  if (cmp_mpihex (x, "008532093BA023F4D55C0424FA3AF9367E05F309DC34CDC3FE")
+      || cmp_mpihex (y, "00C13CA9E617C6C8487BFF6A726E3C4F277913D97117939966"))
+    fail ("computed affine coordinates of public key do not match\n");
+  if (debug)
+    {
+      print_mpi ("q.x", x);
+      print_mpi ("q.y", y);
+    }
+
+  gcry_mpi_release (z);
+  gcry_mpi_release (y);
+  gcry_mpi_release (x);
+
+  /* Let us also check whether we can update the context.  */
+  err = gcry_mpi_ec_set_point ("g", G, ctx);
+  if (err)
+    die ("gcry_mpi_ec_set_point(G) failed\n");
+  err = gcry_mpi_ec_set_mpi ("d", d, ctx);
+  if (err)
+    die ("gcry_mpi_ec_set_mpi(d) failed\n");
+
+  /* FIXME: Below we need to check that the returned S-expression is
+     as requested.  For now we use manual inspection using --debug.  */
+
+  /* Does get_sexp return the private key?  */
+  err = gcry_pubkey_get_sexp (&sexp, 0, ctx);
+  if (err)
+    fail ("gcry_pubkey_get_sexp(0) failed: %s\n", gpg_strerror (err));
+  else if (debug)
+    print_sexp ("Result of gcry_pubkey_get_sexp (0):\n", sexp);
+  gcry_sexp_release (sexp);
+
+  /* Does get_sexp return the public key if requested?  */
+  err = gcry_pubkey_get_sexp (&sexp, GCRY_PK_GET_PUBKEY, ctx);
+  if (err)
+    fail ("gcry_pubkey_get_sexp(GET_PUBKEY) failed: %s\n", gpg_strerror (err));
+  else if (debug)
+    print_sexp ("Result of gcry_pubkey_get_sexp (GET_PUBKEY):\n", sexp);
+  gcry_sexp_release (sexp);
+
+  /* Does get_sexp return the public key after d has been deleted?  */
+  err = gcry_mpi_ec_set_mpi ("d", NULL, ctx);
+  if (err)
+    die ("gcry_mpi_ec_set_mpi(d=NULL) failed\n");
+  err = gcry_pubkey_get_sexp (&sexp, 0, ctx);
+  if (err)
+    fail ("gcry_pubkey_get_sexp(0 w/o d) failed: %s\n", gpg_strerror (err));
+  else if (debug)
+    print_sexp ("Result of gcry_pubkey_get_sexp (0 w/o d):\n", sexp);
+  gcry_sexp_release (sexp);
+
+  /* Does get_sexp return an error after d has been deleted?  */
+  err = gcry_pubkey_get_sexp (&sexp, GCRY_PK_GET_SECKEY, ctx);
+  if (gpg_err_code (err) != GPG_ERR_NO_SECKEY)
+    fail ("gcry_pubkey_get_sexp(GET_SECKEY) returned wrong error: %s\n",
+          gpg_strerror (err));
+  gcry_sexp_release (sexp);
+
+  /* Does get_sexp return an error after d and Q have been deleted?  */
+  err = gcry_mpi_ec_set_point ("q", NULL, ctx);
+  if (err)
+    die ("gcry_mpi_ec_set_point(q=NULL) failed\n");
+  err = gcry_pubkey_get_sexp (&sexp, 0, ctx);
+  if (gpg_err_code (err) != GPG_ERR_BAD_CRYPT_CTX)
+    fail ("gcry_pubkey_get_sexp(0 w/o Q,d) returned wrong error: %s\n",
+          gpg_strerror (err));
+  gcry_sexp_release (sexp);
+
+
+  gcry_mpi_point_release (Q);
+  gcry_mpi_release (d);
+  gcry_mpi_point_release (G);
+  gcry_ctx_release (ctx);
+}
+
+
+/* Check the math used with Twisted Edwards curves.  */
+static void
+twistededwards_math (void)
+{
+  gpg_error_t err;
+  gcry_ctx_t ctx;
+  gcry_mpi_point_t G, Q;
+  gcry_mpi_t k;
+  gcry_mpi_t w, a, x, y, z, p, n, b, I;
+
+  wherestr = "twistededwards_math";
+  info ("checking basic Twisted Edwards math\n");
+
+  err = gcry_mpi_ec_new (&ctx, NULL, "Ed25519");
+  if (err)
+    die ("gcry_mpi_ec_new failed: %s\n", gpg_strerror (err));
+
+  k = hex2mpi
+    ("2D3501E723239632802454EE5DDC406EFB0BDF18486A5BDE9C0390A9C2984004"
+     "F47252B628C953625B8DEB5DBCB8DA97AA43A1892D11FA83596F42E0D89CB1B6");
+  G = gcry_mpi_ec_get_point ("g", ctx, 1);
+  if (!G)
+    die ("gcry_mpi_ec_get_point(G) failed\n");
+  Q = gcry_mpi_point_new (0);
+
+
+  w = gcry_mpi_new (0);
+  a = gcry_mpi_new (0);
+  x = gcry_mpi_new (0);
+  y = gcry_mpi_new (0);
+  z = gcry_mpi_new (0);
+  I = gcry_mpi_new (0);
+  p = gcry_mpi_ec_get_mpi ("p", ctx, 1);
+  n = gcry_mpi_ec_get_mpi ("n", ctx, 1);
+  b = gcry_mpi_ec_get_mpi ("b", ctx, 1);
+
+  /* Check: 2^{p-1} mod p == 1 */
+  gcry_mpi_sub_ui (a, p, 1);
+  gcry_mpi_powm (w, GCRYMPI_CONST_TWO, a, p);
+  if (gcry_mpi_cmp_ui (w, 1))
+    fail ("failed assertion: 2^{p-1} mod p == 1\n");
+
+  /* Check: p % 4 == 1 */
+  gcry_mpi_mod (w, p, GCRYMPI_CONST_FOUR);
+  if (gcry_mpi_cmp_ui (w, 1))
+    fail ("failed assertion: p %% 4 == 1\n");
+
+  /* Check: 2^{n-1} mod n == 1 */
+  gcry_mpi_sub_ui (a, n, 1);
+  gcry_mpi_powm (w, GCRYMPI_CONST_TWO, a, n);
+  if (gcry_mpi_cmp_ui (w, 1))
+    fail ("failed assertion: 2^{n-1} mod n == 1\n");
+
+  /* Check: b^{(p-1)/2} mod p == p-1 */
+  gcry_mpi_sub_ui (a, p, 1);
+  gcry_mpi_div (x, NULL, a, GCRYMPI_CONST_TWO, -1);
+  gcry_mpi_powm (w, b, x, p);
+  gcry_mpi_abs (w);
+  if (gcry_mpi_cmp (w, a))
+    fail ("failed assertion: b^{(p-1)/2} mod p == p-1\n");
+
+  /* I := 2^{(p-1)/4} mod p */
+  gcry_mpi_sub_ui (a, p, 1);
+  gcry_mpi_div (x, NULL, a, GCRYMPI_CONST_FOUR, -1);
+  gcry_mpi_powm (I, GCRYMPI_CONST_TWO, x, p);
+
+  /* Check: I^2 mod p == p-1 */
+  gcry_mpi_powm (w, I, GCRYMPI_CONST_TWO, p);
+  if (gcry_mpi_cmp (w, a))
+    fail ("failed assertion: I^2 mod p == p-1\n");
+
+  /* Check: G is on the curve */
+  if (!gcry_mpi_ec_curve_point (G, ctx))
+    fail ("failed assertion: G is on the curve\n");
+
+  /* Check: nG == (0,1) */
+  gcry_mpi_ec_mul (Q, n, G, ctx);
+  if (gcry_mpi_ec_get_affine (x, y, Q, ctx))
+    fail ("failed to get affine coordinates\n");
+  if (gcry_mpi_cmp_ui (x, 0) || gcry_mpi_cmp_ui (y, 1))
+    fail ("failed assertion: nG == (0,1)\n");
+
+  /* Now two arbitrary point operations taken from the ed25519.py
+     sample data.  */
+  gcry_mpi_release (a);
+  a = hex2mpi
+    ("4f71d012df3c371af3ea4dc38385ca5bb7272f90cb1b008b3ed601c76de1d496"
+     "e30cbf625f0a756a678d8f256d5325595cccc83466f36db18f0178eb9925edd3");
+  gcry_mpi_ec_mul (Q, a, G, ctx);
+  if (gcry_mpi_ec_get_affine (x, y, Q, ctx))
+    fail ("failed to get affine coordinates\n");
+  if (cmp_mpihex (x, ("157f7361c577aad36f67ed33e38dc7be"
+                      "00014fecc2165ca5cee9eee19fe4d2c1"))
+      || cmp_mpihex (y, ("5a69dbeb232276b38f3f5016547bb2a2"
+                         "4025645f0b820e72b8cad4f0a909a092")))
+    {
+      fail ("sample point multiply failed:\n");
+      print_mpi ("r", a);
+      print_mpi ("Rx", x);
+      print_mpi ("Ry", y);
+    }
+
+  gcry_mpi_release (a);
+  a = hex2mpi
+    ("2d3501e723239632802454ee5ddc406efb0bdf18486a5bde9c0390a9c2984004"
+     "f47252b628c953625b8deb5dbcb8da97aa43a1892d11fa83596f42e0d89cb1b6");
+  gcry_mpi_ec_mul (Q, a, G, ctx);
+  if (gcry_mpi_ec_get_affine (x, y, Q, ctx))
+    fail ("failed to get affine coordinates\n");
+  if (cmp_mpihex (x, ("6218e309d40065fcc338b3127f468371"
+                      "82324bd01ce6f3cf81ab44e62959c82a"))
+      || cmp_mpihex (y, ("5501492265e073d874d9e5b81e7f8784"
+                         "8a826e80cce2869072ac60c3004356e5")))
+    {
+      fail ("sample point multiply failed:\n");
+      print_mpi ("r", a);
+      print_mpi ("Rx", x);
+      print_mpi ("Ry", y);
+    }
+
+
+  gcry_mpi_release (I);
+  gcry_mpi_release (b);
+  gcry_mpi_release (n);
+  gcry_mpi_release (p);
+  gcry_mpi_release (w);
+  gcry_mpi_release (a);
+  gcry_mpi_release (x);
+  gcry_mpi_release (y);
+  gcry_mpi_release (z);
+  gcry_mpi_point_release (Q);
+  gcry_mpi_point_release (G);
+  gcry_mpi_release (k);
+  gcry_ctx_release (ctx);
+}
+
+
+/* Check the point on curve function.  */
+static void
+point_on_curve (void)
+{
+  static struct {
+    const char *curve;
+    int oncurve;      /* Point below is on the curve.  */
+    const char *qx;
+    const char *qy;
+  } t[] = {
+    {
+      "NIST P-256", 0,
+      "015B4F6775D68D4D2E2192C6B8027FC5A3D49957E453CB251155AA3FF5D3EC9974",
+      "4BC4C87B57A25E1056831208AB5B8F091142F891E9FF19F1E090B030DF1087B3"
+    }, {
+      "NIST P-256", 0,
+      "D22C316E7EBE7B293BD66808E000806F0754398A5D72A4F9BBC21C26EAC0A651",
+      "3C8DB80CC3CDE5E530D040536E6A58AAB41C33FA70B30896943513FF3690132D"
+    }, {
+      "NIST P-256", 0,
+      "0130F7E7BC52854CA493A0DE87DC4AB3B4343758F2B634F15B10D70DBC0A5A5291",
+      "86F9CA73C25CE86D54CB21C181AECBB52A5971334FF5040F76CAE9845ED46023"
+    }, {
+      "NIST P-256", 1,
+      "14957B602C7849F28858C7407696F014BC091D6D68C449560B7A38147D6E6A9B",
+      "A8E09EFEECFE00C797A0848F38B61992D30C61FAB13021E88C8BD3545B3A6C63"
+    }, {
+      "NIST P-256", 0,
+      "923DE4957241DD97780841C76294DB0D4F5DC04C3045081174764D2D32AD2D53",
+      "01B4B1A2027C02F0F520A3B01E4CE3C668BF481346A74499C5D1044A53E210B600"
+    }, {
+      "NIST P-256", 1,
+      "9021DFAB8B4DAEAADA634AAA26D6E5FFDF8C0476FF5CA31606C870A1B933FB36",
+      "9AFC65EEB24E46C7B75712EF29A981CB09FAC56E2B81D3ED024748CCAB1CB77E"
+    }, {
+      "NIST P-256", 0,
+      "011529F0B26DE5E0EB2DA4BFB6C149C802CB52EE479DD666553286928A4005E990",
+      "0EBC63DB2104884456DC0AA81A3F4E99D93B7AE2CD4B1489655EA9BE6289CF9E"
+    }, {
+      "NIST P-256", 1,
+      "216EC5DE8CA989199D31F0DFCD381DCC9270A0785365EC3E34CA347C070A87BE",
+      "87A88897BA763509ECC1DBE28D9D37F6F4E70E3B99B1CD3C0B934D4190968A6D"
+    }, {
+      "NIST P-256", 1,
+      "7ABAA44ACBC6016FDB52A6F45F6178E65CBFC35F9920D99149CA9999612CE945",
+      "88F7684BDCDA31EAFB6CAD859F8AB29B5D921D7DB2B34DF7E40CE36235F45B63"
+    }, {
+      "NIST P-256", 0,
+      "E765B4272D211DD0064189B55421FB76BB3A7756364A6CB1627FAED848157A84",
+      "C13171CFFB243E06B203F0996BBDD16F52292AD11F2DA81106E9C2FD87F4FA0F"
+    }, {
+      "NIST P-256", 0,
+      "EE4999DFC3A1871EE7A592BE26A09BEC9D9B561613EE9EFB6ED42F17985C9CDC",
+      "8399E967338A7A618336AF70DA67D9CAC1C19267809652F5C5183C8B129E0902"
+    }, {
+      "NIST P-256", 0,
+      "F755D0CF2642A2C7FBACCC8E9E442B8B047A99C6E052B2FA5AB0544B36B4D51C",
+      "AA080F17657B6565D9A4D94BD260B54D92FEE8DC4A78C4FC9C19209933AF39B0"
+    } , {
+      "NIST P-384", 0,
+      "CBFC7DBEBF15BEAD682549757F9BBA0E3F67669DF13FCE0EBE8024B725B38B00"
+      "83EC46A8F2FF3203C5C7F8C7E722A5EF",
+      "0548FE281BEAB18FD1AB86F59B0CA524479A4A81373C83B78AFFD801FAC75922"
+      "96470753DCF46173C9AA4A8A4C2FBE51"
+    }, {
+      "NIST P-384", 0,
+      "1DC8E054A883DB81EAEDE6C487B26816C927B8196780525A6CA8F675D2557752"
+      "02CE06CCBE705EA8A38AA2894D4BEEE6",
+      "010191050E867AFAA96A199FE9C591CF8B853D81486786DA889124881FB39D2F"
+      "8E0875F4C4BB1E3D0F8535C7A52306FB82"
+    }, {
+      "NIST P-384", 1,
+      "2539FC368CE1D5E464B6C0FBB12D557B712327DB086975255AD7D17F7E7E4F23"
+      "D719ED4116E2CC907AEB92CF22331A60",
+      "8843FDBA742CB64323E49CEBE8DD74908CFC9C3AA0015662DFBB7219E92CF32E"
+      "9FC63F61EF19DE9B3CEA98D163ABF254"
+    }, {
+      "NIST P-384", 0,
+      "0B786DACF400D43575394349EDD9F9CD145FC7EF737A3C5F69B253BE7639DB24"
+      "EC2F0CA62FF1F90B6515DE356EC2A404",
+      "225D6B2939CC7F7133F43353946A682C68DAC6BB75EE9CF6BD9A1609FA915692"
+      "72F4D3A87E88529754E109BB9B61B03B"
+    }, {
+      "NIST P-384", 0,
+      "76C660C9F58CF2051F9F8B06049694AB6FE418009DE6F0A0833BC690CEC06CC2"
+      "9A440AD51C94CF5BC28817C8C6E2D302",
+      "012974E5D9E55304ED294AB6C7A3C65B663E67ABC5E6F6C0F6498B519F2F6CA1"
+      "8306976291F3ADC0B5ABA42DED376EA9A5"
+    }, {
+      "NIST P-384", 0,
+      "23D758B1EDB8E12E9E707C53C131A19D9464B20EE05C99766F5ABDF9F906AD03"
+      "B958BF28B022E54E320672C4BAD4EEC0",
+      "01E9E72870C88F4C82A5AB3CC8A3398E8F006BF3EC05FFBB1EFF8AEE88020FEA"
+      "9E558E9F58ED1D324C9DCBCB4E8F2A5970"
+    }, {
+      "NIST P-384", 0,
+      "D062B96D5A10F715ACF361F99262ABF0F7693A8BB60ECB1DF459CF95750E4293"
+      "18BCB9FC60499D009F949298F3F9F47B",
+      "9089C6328E4B39A73D7EE6FAE1A77E48CE354B83BBCE432082C32C8FD6784B86"
+      "CFE9C552E2E720F5DA5806503D3784CD"
+    }, {
+      "NIST P-384", 0,
+      "2A951D4D6EB35C43D94866280D37365B82441BC84D62CBFF3365CAB1FD0A3E20"
+      "823CA8F84D2BBF4EA687885437DE7839",
+      "01CC7D762AFE613F7B5568BC516568A421159C40599E8D52DE10E8F9488931E1"
+      "69F3656C322DE45C4A70DC6DB9A661E599"
+    }, {
+      "NIST P-384", 1,
+      "A4BAEE6CDAF3AEB69032B3FBA811707C54F5753670DA5173D891547E8CBAEEF3"
+      "89B92C9A55573A596123415FBFA26991",
+      "3241EA716583C11C71BB30AF6C5E3A6637956F17ADBBE641BAB52E8539F9FC7B"
+      "F3B04F46DBFFE08151E0F0950CC70081"
+    }, {
+      "NIST P-384", 0,
+      "5C0E18B0DE3261BCBCFC7B702C2D75CF481336BFBADF420BADC616235C1966AB"
+      "4C0F876575DDEC1BDB3F3F04061C9AE4",
+      "E90C78550D1C922F1D8161D8C9C0576E29BD09CA665376FA887D13FA8DF48352"
+      "D7BBEEFB803F6CC8FC7895E47F348D33"
+    }, {
+      "NIST P-384", 1,
+      "2015864CD50F0A1A50E6401F44191665C19E4AD4B4903EA9EB464E95D1070E36"
+      "F1D8325E45734D5A0FDD103F4DF6F83E",
+      "5FB3E9A5C59DD5C5262A8176CB7032A00AE33AED08485884A3E5D68D9EEB990B"
+      "F26E8D87EC175577E782AD51A6A12C02"
+    }, {
+      "NIST P-384", 1,
+      "56EBF5310EEF5A5D8D001F570A18625383ECD4882B3FC738A69874E7C9D8F89C"
+      "187BECA23369DFD6C15CC0DA0629958F",
+      "C1230B349FB662CB762563DB8F9FCB32D5CCA16120681C474D67D279CCA6F6DB"
+      "73DE6AA96140B5C457B7486E06D318CE"
+    }, {
+      "NIST P-521", 0,
+      "01E4D82EE5CD6DA37080252295EFA273BBBA6952012D0120EAF131E73F1E5024"
+      "36E3324624471040030E1C345D65490ECEE9B64E03B15B6C7EB69A39C618BAFEED70",
+      "03EE3A3C88A6933B7B16016BE4CC4E3BF5EA0625CB3DB2604CDCBBD02CABBC90"
+      "8904D9DB42998F6C5101D4D4318ACFC9643C9CD641F636D1810ED86F1840EA74F3C0"
+    }, {
+      "NIST P-521", 0,
+      "01F3DFCB5433387B6B2E3F74177F4F3D7300F05E1AD49DE112630E27B1C8A437"
+      "1E742CB020E0039B5477FC897D17332034F9660B3066764EFF5FB440EB8856E782E3",
+      "02D337616C9D202DC5E290C486F5855CBD6A8470AE62CA96245834CF49257D8D"
+      "96D4041B15007650DEE668C00DDBF749054256C571F60980AC74D0DBCA7FB96C2F48"
+    }, {
+      "NIST P-521", 1,
+      "822A846606DC9E96452CAC373567A8B57D9ACA15B177F75DD7EF10C635F52CE4"
+      "EF6ABEEDB90D3F48F50A0C9015A95C955A25C45DE8413DE3BF899B6B1E62CF7CB8",
+      "0102771B5F3EC8C36838CEC04DCBC28AD1E38C37DAB0EA89B5EE92D21F7A35CE"
+      "ABC8B155EDC70154D6DFA2E77EC1D8C4A3406A6BD0ECF8F1EE2AC33A02464CB70C97"
+    }, {
+      "NIST P-521", 0,
+      "F733D48467912D1FFE46CF442F27FDD218D190E7B8A829D822DA3B6BAF9B987E"
+      "5B4BCCE34499248F59EEAF74F63ED15FF73F243C6FC3FD5E5842F6A3BA34C2022D",
+      "0281AAAD1B7EEBABEB6EC67932CB7E95717AFA3B4CF7A2DB151CD537C419C3A5"
+      "156ED9160758190B47696CDC15E81BBAD12975283907A571604DB23F702AEA4B38FF"
+    }, {
+      "NIST P-521", 0,
+      "03B1B274175AAEB5907152E5114CCAEADA28A7ADD4A2B1831C3D8302E8596489"
+      "E2C98B9B8D0CAE98C03BB11E28CE66D4736449758AF58BAFE40EF5A5FA22C9A43117",
+      "94C5951F81D544E959EDFC5DC1D5F42FE427871D4FB91A43A0B4A6BEA6B35B9E"
+      "BC5FB444C70BE4FD47B4ED16704F8C86EF019FC47C7FF2271F8B0DDEA9E2D3BCDD"
+    }, {
+      "NIST P-521", 1,
+      "F2248C318055DE37CD706D4FCAF7E7D96737A4A7B6B8067A66DCD58B6B8DFC55"
+      "90ECE67F6AA67F9C51B57E7B023075F2F42909BF47361CB6881C10F55FB7215B56",
+      "0162F735CE6A2ADA54CAF96A12D6888C02DE0A74638CF34CE39DABBACA4D651B"
+      "7E6ED1A65B551B36BAE7BE474BB6E6905ED0E33C7BA2021885027C7C6E40C5613004"
+    }, {
+      "NIST P-521", 0,
+      "9F08E97FEADCF0A391CA1EA4D97B5FE62D3B164593E12027EB967BD6E1FA841A"
+      "9831158DF164BCAD0BF3ADA96127745E25F349BDDD52EEA1654892B35960C9C023",
+      "AE2A25F5440F258AFACA6925C4C9F7AEAD3CB67153C4FACB31AC33F58B43A78C"
+      "B14F682FF726CEE2A6B6F6B481AEEB29A9B3150F02D1CFB764672BA8294C477291"
+    }, {
+      "NIST P-521", 0,
+      "01047B52014748C904980716953206A93F0D01B34CA94A997407FA93FE304F86"
+      "17BB6E402B2BB8B434C2671ECE953ABE7BADB75713CD9DF950943A33A9A19ACCDABE",
+      "7433533F098037DEA616337986887D01C5CC8DEC3DC1FDB9CDF7287EF27CC125"
+      "54FCF3A5E212DF9DAD9F8A3A7173B23FC6E15930704F3AEE1B074BDDB0ED6823E4"
+    }, {
+      "NIST P-521", 0,
+      "01C2A9EBF51592FE6589F618EAADA1697D9B2EC7CE5D48C9E80FC597642B23F1"
+      "F0EBE953449762BD3F094F57791D9850AFE98BBDA9872BE399B7BDD617860076BB03",
+      "0B822E27692F63DB8E12C59BB3CCA172B9BBF613CAE5F9D1474186E45E8B26FF"
+      "962084E1C6BE74821EDBB60941A3B75516F603719563433383812BFEA89EC14B89"
+    }, {
+      "NIST P-521", 0,
+      "99390F342C3F0D46E80C5B65C61E8AA8ACA0B6D4E1352404586364A05D8398E9"
+      "2BC71A644E8663F0A9B87D0B3ACAEE32F2AB9B321317AD23059D045EBAB91C5D93",
+      "82FCF93AE4467EB57766F2B150E736636727E7282500CD482DA70D153D195F2B"
+      "DF9B96D689A0DC1BB9137B41557A33F202F1B71840544CBEFF03072E77E4BB6F0B"
+    }, {
+      "NIST P-521", 1,
+      "018E48E80594FF5496D8CC7DF8A19D6AA18805A4EF4490038AED6A1E9AA18056"
+      "D0244A97DCF6D132C6804E3F4F369922119544B4C057D783C848FB798B48730A382C",
+      "01AF510B4F5E1C40BC9C110216D35E7C6D7A2BEE52914FC98258676288449901"
+      "F27A07EE91DF2D5D79259712906C3E18A990CBF35BCAC41A952820CE2BA8D0220080"
+    }, {
+      "NIST P-521", 1,
+      "ADCEF3539B4BC831DC0AFD173137A4426152058AFBAE06A17FCB89F4DB6E48B5"
+      "335CB88F8E4DB475A1E390E5656072F06605BFB84CBF9795B7992ECA04A8E10CA1",
+      "01BCB985AFD6404B9EDA49B6190AAA346BF7D5909CA440C0F7E505C62FAC8635"
+      "31D3EB7B2AC4DD4F4404E4B12E9D6D3C596179587F3724B1EFFF684CFDB4B21826B9"
+    }
+  };
+  gpg_error_t err;
+  int tidx;
+  const char *lastcurve = NULL;
+  gcry_ctx_t ctx = NULL;
+  gcry_mpi_t qx = NULL;
+  gcry_mpi_t qy = NULL;
+  gcry_mpi_point_t Q;
+  int oncurve;
+
+  wherestr = "point_on_curve";
+  for (tidx=0; tidx < DIM (t); tidx++)
+    {
+      if (!t[tidx].curve)
+        {
+          if (!lastcurve || !ctx)
+            die ("invalid test vectors at idx %d\n", tidx);
+        }
+      else if (!ctx || !lastcurve || strcmp (t[tidx].curve, lastcurve))
+        {
+          lastcurve = t[tidx].curve;
+          gcry_ctx_release (ctx);
+          err = gcry_mpi_ec_new (&ctx, NULL, lastcurve);
+          if (err)
+            die ("error creating context for curve %s at idx %d: %s\n",
+                 lastcurve, tidx, gpg_strerror (err));
+
+          info ("checking points on curve %s\n", lastcurve);
+        }
+
+      gcry_mpi_release (qx);
+      gcry_mpi_release (qy);
+      qx = hex2mpi (t[tidx].qx);
+      qy = hex2mpi (t[tidx].qy);
+
+      Q = gcry_mpi_point_set (NULL, qx, qy, GCRYMPI_CONST_ONE);
+      if (!Q)
+        die ("gcry_mpi_point_set(Q) failed at idx %d\n", tidx);
+
+      oncurve = gcry_mpi_ec_curve_point (Q, ctx);
+
+      if (t[tidx].oncurve && !oncurve)
+        {
+          fail ("point expected on curve but not identified as such (i=%d):\n",
+                tidx);
+          print_point ("  Q", Q);
+        }
+      else if (!t[tidx].oncurve && oncurve)
+        {
+          fail ("point not expected on curve but identified as such (i=%d):\n",
+                tidx);
+          print_point ("  Q", Q);
+        }
+      gcry_mpi_point_release (Q);
+    }
+
+  gcry_mpi_release (qx);
+  gcry_mpi_release (qy);
+  gcry_ctx_release (ctx);
+}
+
+
+int
+main (int argc, char **argv)
+{
+
+  if (argc > 1 && !strcmp (argv[1], "--verbose"))
+    verbose = 1;
+  else if (argc > 1 && !strcmp (argv[1], "--debug"))
+    verbose = debug = 1;
+
+  if (!gcry_check_version (GCRYPT_VERSION))
+    die ("version mismatch\n");
+
+  xgcry_control ((GCRYCTL_DISABLE_SECMEM, 0));
+  xgcry_control ((GCRYCTL_ENABLE_QUICK_RANDOM, 0));
+  if (debug)
+    xgcry_control ((GCRYCTL_SET_DEBUG_FLAGS, 1u, 0));
+  xgcry_control ((GCRYCTL_INITIALIZATION_FINISHED, 0));
+
+  set_get_point ();
+  context_alloc ();
+  context_param ();
+  basic_ec_math ();
+  point_on_curve ();
+
+  /* The tests are for P-192 and ed25519 which are not supported in
+     FIPS mode.  */
+  if (!gcry_fips_mode_active())
+    {
+      basic_ec_math_simplified ();
+      twistededwards_math ();
+    }
+
+  info ("All tests completed. Errors: %d\n", error_count);
+  return error_count ? 1 : 0;
+}