low level implementation of round1

1 files changed, 46 insertions, 0 deletions

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+/* This file is part of libbrandt.
+ * Copyright (C) 2016 GNUnet e.V.
+ *
+ * libbrandt is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * libbrandt is distributed in the hope that 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
+ * libbrandt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * @file internals.h
+ * @brief This header contains library internal structs.
+ */
+
+#ifndef _BRANDT_INTERNALS_H
+#define _BRANDT_INTERNALS_H
+
+#include <pari/pari.h>
+
+struct AuctionData {
+	GEN p; /** The "safe prime" p */
+	GEN q; /** The prime @f$q = (p - 1) / 2@f$. */
+	GEN g; /** The generator of @f$\mathbb{G}_q@f$ */
+	uint16_t n; /** The amount of bidders/agents */
+	uint16_t k; /** The amount of possible prices */
+
+	GEN x; /** Own private additive key share */
+	GEN y; /** Own public multiplicative key share */
+	GEN Y; /** Shared public key */
+
+	GEN m; /** Additive share of random exponents, type: Matrix(n,k) */
+	GEN r; /** Key share exponent, type: Vector(k) */
+	GEN b; /** Own bid, type: Vector(k) */
+
+	GEN alpha; /** Own alpha, type: Vector(k) */
+	GEN beta; /** Own beta, type: Vector(k) */
+};
+
+#endif