1 files changed, 78 insertions, 0 deletions
diff --git a/mozilla/security/nss/lib/freebl/sysrand.c b/mozilla/security/nss/lib/freebl/sysrand.c
new file mode 100644
index 0000000..8494eaf
--- /dev/null
+++ b/mozilla/security/nss/lib/freebl/sysrand.c
@@ -0,0 +1,78 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape security libraries.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1994-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifdef FREEBL_NO_DEPEND
+#include "stubs.h"
+#endif
+
+#include "seccomon.h"
+
+static size_t rng_systemFromNoise(unsigned char *dest, size_t maxLen);
+
+#if defined(XP_UNIX) || defined(XP_BEOS)
+#include "unix_rand.c"
+#endif
+#ifdef XP_WIN
+#include "win_rand.c"
+#endif
+#ifdef XP_OS2
+#include "os2_rand.c"
+#endif
+
+/*
+ * Normal RNG_SystemRNG() isn't available, use the system noise to collect
+ * the required amount of entropy.
+ */
+static size_t 
+rng_systemFromNoise(unsigned char *dest, size_t maxLen) 
+{
+   size_t retBytes = maxLen;
+
+   while (maxLen) {
+	size_t nbytes = RNG_GetNoise(dest, maxLen);
+
+	PORT_Assert(nbytes != 0);
+
+	dest += nbytes;
+	maxLen -= nbytes;
+
+	/* some hw op to try to introduce more entropy into the next
+	 * RNG_GetNoise call */
+	rng_systemJitter();
+   }
+   return retBytes;
+}
+