+/*
+ * 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);