X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=shamirs;a=blobdiff_plain;f=shamirssecret.h;h=6aceb113481c647b851e18e2837f4aeb83d9f225;hp=416d2fce990423bc91ec315dad17f1a8e487a0ab;hb=471217f7f4a24a28b38fbafb7c257b6e0539811c;hpb=5958ded10d4f4496f34ae8f5aad0b34153ed3dd6

diff --git a/shamirssecret.h b/shamirssecret.h
index 416d2fc..6aceb11 100644
--- a/shamirssecret.h
+++ b/shamirssecret.h
@@ -1,10 +1,33 @@
+/*
+ * Shamir's secret sharing public functions
+ *
+ * Copyright (C) 2013 Matt Corallo <git@bluematt.me>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU 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.
+ */
+
+#ifndef IN_KERNEL
 #include <stdint.h>
+#else
+#include <linux/types.h>
+#endif
 
 #define P 256
 
 /**
  * Calculates the Y coordinate that the point with the given X
- * coefficients[0] == secret, the rest are random values
+ * coefficients[0] == secret, the rest are secure random values
  */
 uint8_t calculateQ(uint8_t coefficients[], uint8_t shares_required, uint8_t x);