2003-09-02 Moritz Schulte <mo@g10code.com>

	* Makefile.am (TESTS): Added: prime.

	* prime.c: New file.

1 files changed, 99 insertions, 0 deletions

diff --git a/tests/prime.c b/tests/prime.c
new file mode 100644
index 00000000..aa101491
--- /dev/null
+++ b/tests/prime.c
@@ -0,0 +1,99 @@
+/* prime.c - part of the Libgcrypt test suite.
+   Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   This program 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+   USA.  */
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "../src/gcrypt.h"
+
+static int verbose, debug;
+
+static void
+die (const char *format, ...)
+{
+  va_list arg_ptr;
+
+  va_start (arg_ptr, format);
+  vfprintf (stderr, format, arg_ptr);
+  va_end (arg_ptr);
+  exit (1);
+}
+
+static void
+check_primes (void)
+{
+  gcry_error_t err = GPG_ERR_NO_ERROR;
+  gcry_mpi_t *factors = NULL;
+  gcry_mpi_t prime = NULL;
+  unsigned int i = 0;
+  struct prime_spec
+  {
+    unsigned int prime_bits;
+    unsigned int factor_bits;
+    unsigned int flags;
+  } prime_specs[] =
+    {
+      { 1024, 100, GCRY_PRIME_FLAG_SPECIAL_FACTOR },
+      { 0 },
+    };
+
+  for (i = 0; prime_specs[i].prime_bits; i++)
+    {
+      err = gcry_prime_generate (&prime,
+				 prime_specs[i].prime_bits,
+				 prime_specs[i].factor_bits,
+				 &factors,
+				 NULL, NULL,
+				 GCRY_WEAK_RANDOM,
+				 prime_specs[i].flags);
+      assert (! err);
+      printf ("%i: ", i);
+      gcry_mpi_dump (prime);
+      putchar ('\n');
+      err = gcry_prime_check (prime, 0);
+      assert (! err);
+      gcry_mpi_add_ui (prime, prime, 1);
+      err = gcry_prime_check (prime, 0);
+      assert (err);
+    }
+}
+
+int
+main (int argc, char **argv)
+{
+  int debug = 0;
+
+  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");
+
+  gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
+  gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
+  if (debug)
+    gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1u, 0);
+
+  check_primes ();
+
+  return 0;
+}