#define LOG_STRERROR(kind,syscall) GNUNET_log_from_strerror (kind, "util", syscall)
-/**
- * GNUNET_YES if we are using a 'weak' (low-entropy) PRNG.
- */
-static int weak_random;
-
-
-
/* TODO: ndurner, move this to plibc? */
/* The code is derived from glibc, obviously */
#if MINGW
}
-/**
- * Check if we are using weak random number generation.
- *
- * @return GNUNET_YES if weak number generation is on
- */
-int
-GNUNET_CRYPTO_random_is_weak ()
-{
- return weak_random;
-}
-
-
-/**
- * This function should only be called in testcases
- * where strong entropy gathering is not desired
- * (for example, for hostkey generation).
- */
-void
-GNUNET_CRYPTO_random_disable_entropy_gathering ()
-{
- weak_random = GNUNET_YES;
- gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0);
-}
-
-
/**
* Process ID of the "find" process that we use for
* entropy gathering.
{
if (genproc != NULL)
{
- if (0 != GNUNET_OS_process_kill (genproc, SIGTERM))
+ if (0 != GNUNET_OS_process_kill (genproc, SIGKILL))
LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "kill");
GNUNET_break (GNUNET_OK == GNUNET_OS_process_wait (genproc));
GNUNET_OS_process_destroy (genproc);
GNUNET_break (0);
return;
}
- if (0 != GNUNET_OS_process_kill (genproc, SIGTERM))
+ if (0 != GNUNET_OS_process_kill (genproc, SIGKILL))
LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "kill");
GNUNET_break (GNUNET_OK == GNUNET_OS_process_wait (genproc));
GNUNET_OS_process_destroy (genproc);
}
-void __attribute__ ((constructor)) GNUNET_CRYPTO_random_init ()
+void __attribute__ ((constructor))
+GNUNET_CRYPTO_random_init ()
{
- gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
- if (!gcry_check_version (GCRYPT_VERSION))
+ gcry_error_t rc;
+
+ if (! gcry_check_version (NEED_LIBGCRYPT_VERSION))
{
FPRINTF (stderr,
_
("libgcrypt has not the expected version (version %s is required).\n"),
- GCRYPT_VERSION);
+ NEED_LIBGCRYPT_VERSION);
GNUNET_abort ();
}
+ if ((rc = gcry_control (GCRYCTL_DISABLE_SECMEM, 0)))
+ FPRINTF (stderr, "Failed to set libgcrypt option %s: %s\n", "DISABLE_SECMEM",
+ gcry_strerror (rc));
+ /* we only generate ephemeral keys in-process; for those,
+ we are fine with "just" using GCRY_STRONG_RANDOM */
+ if ((rc = gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0)))
+ FPRINTF (stderr, "Failed to set libgcrypt option %s: %s\n", "ENABLE_QUICK_RANDOM",
+ gcry_strerror (rc));
+
#ifdef GCRYCTL_INITIALIZATION_FINISHED
gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
#endif
}
-void __attribute__ ((destructor)) GNUNET_CRYPTO_random_fini ()
+void __attribute__ ((destructor))
+GNUNET_CRYPTO_random_fini ()
{
gcry_set_progress_handler (NULL, NULL);
}