[GNUnet-SVN] r18288 - in gnunet/src: include util

[gnunet]

Author: grothoff
Date: 2011-11-23 21:03:58 +0100 (Wed, 23 Nov 2011)
New Revision: 18288

Modified:
   gnunet/src/include/gnunet_crypto_lib.h
   gnunet/src/util/crypto_random.c
   gnunet/src/util/test_container_bloomfilter.c
Log:
LRN: Fix the use of SRANDOM

Modified: gnunet/src/include/gnunet_crypto_lib.h
===================================================================
--- gnunet/src/include/gnunet_crypto_lib.h      2011-11-23 19:38:40 UTC (rev 
18287)
+++ gnunet/src/include/gnunet_crypto_lib.h      2011-11-23 20:03:58 UTC (rev 
18288)
@@ -222,6 +222,14 @@
 
 /* **************** Functions and Macros ************* */
 
+/**
+ * Seed a weak random generator. Only GNUNET_CRYPTO_QUALITY_WEAK-mode generator
+ * can be seeded.
+ *
+ * @param seed the seed to use
+ */
+void
+GNUNET_CRYPTO_seed_weak_random (int32_t seed);
 
 /**
  * Compute the CRC32 checksum for the first len

Modified: gnunet/src/util/crypto_random.c
===================================================================
--- gnunet/src/util/crypto_random.c     2011-11-23 19:38:40 UTC (rev 18287)
+++ gnunet/src/util/crypto_random.c     2011-11-23 20:03:58 UTC (rev 18288)
@@ -74,6 +74,17 @@
   return ((double) RANDOM () / RAND_MAX);
 }
 
+/**
+ * Seed a weak random generator. Only GNUNET_CRYPTO_QUALITY_WEAK-mode generator
+ * can be seeded.
+ *
+ * @param seed the seed to use
+ */
+void
+GNUNET_CRYPTO_seed_weak_random (int32_t seed)
+{
+  SRANDOM (seed);
+}
 
 /**
  * Produce a random value.
@@ -302,8 +313,8 @@
 #endif
   gcry_set_progress_handler (&entropy_generator, NULL);
   atexit (&killfind);
-  SRANDOM (time (NULL) ^
-           GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_NONCE, UINT32_MAX));
+  GNUNET_CRYPTO_seed_weak_random (time (NULL) ^
+      GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_NONCE, UINT32_MAX));
 }
 
 

Modified: gnunet/src/util/test_container_bloomfilter.c
===================================================================
--- gnunet/src/util/test_container_bloomfilter.c        2011-11-23 19:38:40 UTC 
(rev 18287)
+++ gnunet/src/util/test_container_bloomfilter.c        2011-11-23 20:03:58 UTC 
(rev 18288)
@@ -68,7 +68,7 @@
   struct stat sbuf;
 
   GNUNET_log_setup ("test-container-bloomfilter", "WARNING", NULL);
-  SRANDOM (1);
+  GNUNET_CRYPTO_seed_weak_random (1);
   if (0 == stat (TESTFILE, &sbuf))
     if (0 != UNLINK (TESTFILE))
       GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "unlink", TESTFILE);
@@ -79,7 +79,7 @@
     nextHC (&tmp);
     GNUNET_CONTAINER_bloomfilter_add (bf, &tmp);
   }
-  SRANDOM (1);
+  GNUNET_CRYPTO_seed_weak_random (1);
   ok1 = 0;
   for (i = 0; i < 200; i++)
   {
@@ -106,7 +106,7 @@
   bfi = GNUNET_CONTAINER_bloomfilter_init (buf, SIZE, K);
   GNUNET_assert (bfi != NULL);
 
-  SRANDOM (1);
+  GNUNET_CRYPTO_seed_weak_random (1);
   ok1 = 0;
   ok2 = 0;
   for (i = 0; i < 200; i++)
@@ -134,7 +134,7 @@
     return -1;
   }
 
-  SRANDOM (1);
+  GNUNET_CRYPTO_seed_weak_random (1);
   for (i = 0; i < 100; i++)
   {
     nextHC (&tmp);
@@ -142,7 +142,7 @@
     GNUNET_CONTAINER_bloomfilter_remove (bfi, &tmp);
   }
 
-  SRANDOM (1);
+  GNUNET_CRYPTO_seed_weak_random (1);
 
   ok1 = 0;
   ok2 = 0;
@@ -174,7 +174,7 @@
     return -1;
   }
 
-  SRANDOM (3);
+  GNUNET_CRYPTO_seed_weak_random (3);
 
   GNUNET_CONTAINER_bloomfilter_clear (bf);
   falseok = 0;
@@ -198,14 +198,14 @@
     return -1;
   }
 
-  SRANDOM (2);
+  GNUNET_CRYPTO_seed_weak_random (2);
   i = 20;
   GNUNET_CONTAINER_bloomfilter_resize (bfi, &add_iterator, &i, SIZE * 2, K);
 
-  SRANDOM (2);
+  GNUNET_CRYPTO_seed_weak_random (2);
   i = 20;
   GNUNET_CONTAINER_bloomfilter_resize (bf, &add_iterator, &i, SIZE * 2, K);
-  SRANDOM (2);
+  GNUNET_CRYPTO_seed_weak_random (2);
 
   ok1 = 0;
   ok2 = 0;