*/
#include "platform.h"
#include "gnunet_util_lib.h"
-#include "gnunet_testing_lib.h"
#include <gcrypt.h>
*/
static int print_short_identity;
-/**
- * Use weak random number generator for key generation.
- */
-static int weak_random;
-
-/**
- * Option set to create a bunch of keys at once.
- */
-static unsigned int make_keys;
-
-/**
- * The private information of an RSA key pair.
- * NOTE: this must match the definition in crypto_ksk.c and crypto_rsa.c!
- */
-struct GNUNET_CRYPTO_RsaPrivateKey
-{
- gcry_sexp_t sexp;
-};
-
-
-/**
- * Create a new private key. Caller must free return value.
- *
- * @return fresh private key
- */
-static struct GNUNET_CRYPTO_RsaPrivateKey *
-rsa_key_create ()
-{
- struct GNUNET_CRYPTO_RsaPrivateKey *ret;
- gcry_sexp_t s_key;
- gcry_sexp_t s_keyparam;
-
- GNUNET_assert (0 ==
- gcry_sexp_build (&s_keyparam, NULL,
- "(genkey(rsa(nbits %d)(rsa-use-e 3:257)))",
- 2048));
- GNUNET_assert (0 == gcry_pk_genkey (&s_key, s_keyparam));
- gcry_sexp_release (s_keyparam);
-#if EXTRA_CHECKS
- GNUNET_assert (0 == gcry_pk_testkey (s_key));
-#endif
- ret = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_RsaPrivateKey));
- ret->sexp = s_key;
- return ret;
-}
-
-
-/**
- * Create a flat file with a large number of key pairs for testing.
- */
-static void
-create_keys (const char *fn)
-{
- FILE *f;
- struct GNUNET_CRYPTO_RsaPrivateKey *pk;
- struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded *enc;
-
- if (NULL == (f = fopen (fn, "w+")))
- {
- fprintf (stderr,
- _("Failed to open `%s': %s\n"),
- fn,
- STRERROR (errno));
- return;
- }
- fprintf (stderr,
- _("Generating %u keys, please wait"),
- make_keys);
- while (0 < make_keys--)
- {
- fprintf (stderr,
- ".");
- if (NULL == (pk = rsa_key_create ()))
- {
- GNUNET_break (0);
- break;
- }
- enc = GNUNET_CRYPTO_rsa_encode_key (pk);
- if (GNUNET_TESTING_HOSTKEYFILESIZE != htons (enc->len))
- {
- /* sometimes we get a different key length because 'd' or 'u' start
- with leading bits; skip those... */
- GNUNET_CRYPTO_rsa_key_free (pk);
- GNUNET_free (enc);
- make_keys++;
- continue;
- }
- if (htons (enc->len) != fwrite (enc, 1, htons (enc->len), f))
- {
- fprintf (stderr,
- _("\nFailed to write to `%s': %s\n"),
- fn,
- STRERROR (errno));
- GNUNET_CRYPTO_rsa_key_free (pk);
- GNUNET_free (enc);
- break;
- }
- GNUNET_CRYPTO_rsa_key_free (pk);
- GNUNET_free (enc);
- }
- if (0 == make_keys)
- fprintf (stderr,
- _("Finished!\n"));
- fclose (f);
-}
-
/**
* Main function that will be run by the scheduler.
fprintf (stderr, _("No hostkey file specified on command line\n"));
return;
}
- if (0 != weak_random)
- GNUNET_CRYPTO_random_disable_entropy_gathering ();
- if (make_keys > 0)
- {
- create_keys (args[0]);
- return;
- }
pk = GNUNET_CRYPTO_rsa_key_create_from_file (args[0]);
if (NULL == pk)
return;
main (int argc, char *const*argv)
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
- { 'g', "generate-keys", "COUNT",
- gettext_noop ("create COUNT public-private key pairs (for testing)"),
- 1, &GNUNET_GETOPT_set_uint, &make_keys },
{ 'p', "print-public-key", NULL,
gettext_noop ("print the public key in ASCII format"),
0, &GNUNET_GETOPT_set_one, &print_public_key },
{ 's', "print-short-identity", NULL,
gettext_noop ("print the short hash of the public key in ASCII format"),
0, &GNUNET_GETOPT_set_one, &print_short_identity },
- { 'w', "weak-random", NULL,
- gettext_noop ("use insecure, weak random number generator for key generation (for testing only)"),
- 0, &GNUNET_GETOPT_set_one, &weak_random },
GNUNET_GETOPT_OPTION_END
};
int ret;