* keygen.c: New.

1 files changed, 198 insertions, 0 deletions

diff --git a/tests/keygen.c b/tests/keygen.c
new file mode 100644
index 00000000..8554118b
--- /dev/null
+++ b/tests/keygen.c
@@ -0,0 +1,198 @@
+/* keygen.c  -  key generation regression tests
+ *	Copyright (C) 2003 Free Software Foundation, Inc.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include "../src/gcrypt.h"
+
+
+
+static int verbose;
+static int error_count;
+
+static void
+fail ( const char *format, ... )
+{
+    va_list arg_ptr ;
+
+    va_start( arg_ptr, format ) ;
+    vfprintf (stderr, format, arg_ptr );
+    va_end(arg_ptr);
+    error_count++;
+}
+
+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
+print_mpi (const char *text, GcryMPI a)
+{
+  char *buf;
+  void *bufaddr = &buf;
+  int rc;
+
+  rc = gcry_mpi_aprint (GCRYMPI_FMT_HEX, bufaddr, NULL, a);
+  if (rc)
+    fprintf (stderr, "%s=[error printing number: %s]\n",
+             text, gcry_strerror (rc));
+  else
+    {
+      fprintf (stderr, "%s=0x%s\n", text, buf);
+      gcry_free (buf);
+    }
+}
+
+
+
+static void
+check_generated_rsa_key (GcrySexp key, unsigned long expected_e)
+{
+  GcrySexp skey, pkey, list;
+
+ pkey = gcry_sexp_find_token (key, "public-key", 0);
+  if (!pkey)
+    fail ("public part missing in return value\n");
+  else
+    {
+      GcryMPI e = NULL;
+
+      list = gcry_sexp_find_token (pkey, "e", 0);
+      if (!list || !(e=gcry_sexp_nth_mpi (list, 1, 0)) )
+        fail ("public exponent not found\n");
+      else if (gcry_mpi_cmp_ui (e, expected_e)) 
+        {
+          print_mpi ("e", e);
+          fail ("public exponent is not %lu\n", expected_e);
+        }
+      gcry_sexp_release (list);
+      gcry_mpi_release (e);
+      gcry_sexp_release (pkey);
+    }
+ 
+  skey = gcry_sexp_find_token (key, "private-key", 0);
+  if (!skey)
+    fail ("private part missing in return value\n");
+  else
+    {
+      int rc = gcry_pk_testkey (skey);
+      if (rc)
+        fail ("gcry_pk_testkey failed: %s\n", gcry_strerror (rc));
+      gcry_sexp_release (skey);
+    }
+
+ }
+
+static void
+check_rsa_keys (void)
+{
+  GcrySexp keyparm, key;
+  int rc;
+
+  if (verbose)
+    fprintf (stderr, "creating 1024 bit RSA key using old interface\n");
+  rc = gcry_sexp_new (&keyparm, 
+                      "(genkey\n"
+                      " (rsa\n"
+                      "  (nbits 4:1024)\n"
+                      " ))", 0, 1);
+  if (rc)
+    die ("error creating S-expression: %s\n", gcry_strerror (rc));
+  rc = gcry_pk_genkey (&key, keyparm);
+  gcry_sexp_release (keyparm);
+  if (rc)
+    die ("error generating RSA key: %s\n", gcry_strerror (rc));
+
+  check_generated_rsa_key (key, 65537);
+  gcry_sexp_release (key);
+
+  if (verbose)
+    fprintf (stderr, "creating 512 bit RSA key with e=257\n");
+  rc = gcry_sexp_new (&keyparm, 
+                      "(genkey\n"
+                      " (rsa\n"
+                      "  (nbits 3:512)\n"
+                      "  (rsa-use-e 3:257)\n"
+                      " ))", 0, 1);
+  if (rc)
+    die ("error creating S-expression: %s\n", gcry_strerror (rc));
+  rc = gcry_pk_genkey (&key, keyparm);
+  gcry_sexp_release (keyparm);
+  if (rc)
+    die ("error generating RSA key: %s\n", gcry_strerror (rc));
+
+  check_generated_rsa_key (key, 257);
+  gcry_sexp_release (key);
+
+  if (verbose)
+    fprintf (stderr, "creating 512 bit RSA key with default e=41\n");
+  rc = gcry_sexp_new (&keyparm, 
+                      "(genkey\n"
+                      " (rsa\n"
+                      "  (nbits 3:512)\n"
+                      "  (rsa-use-e 1:0)\n"
+                      " ))", 0, 1);
+  if (rc)
+    die ("error creating S-expression: %s\n", gcry_strerror (rc));
+  rc = gcry_pk_genkey (&key, keyparm);
+  gcry_sexp_release (keyparm);
+  if (rc)
+    die ("error generating RSA key: %s\n", gcry_strerror (rc));
+
+  check_generated_rsa_key (key, 41);
+  gcry_sexp_release (key);
+
+}
+
+
+
+
+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;
+
+  gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
+  if (!gcry_check_version (GCRYPT_VERSION))
+    die ("version mismatch\n");
+  gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
+  if (debug)
+    gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1u , 0);
+  /* No valuable keys are create, so we can speed up our RNG. */
+  gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0);
+  check_rsa_keys ();
+  
+  return error_count? 1:0;
+}