Finished BLISS signature generation

2014-11-29 14:51:17 +01:00
parent edd72b6bb9
commit e71813e56d
12 changed files with 1178 additions and 165 deletions
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2014 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+/**
+ * @defgroup bliss_signature bliss_signature
+ * @{ @ingroup bliss_p
+ */
+
+#ifndef BLISS_SIGNATURE_H_
+#define BLISS_SIGNATURE_H_
+
+typedef struct bliss_signature_t bliss_signature_t;
+
+#include "bliss_param_set.h"
+
+#include <library.h>
+
+/**
+ * Public interface of BLISS signature object
+ */
+struct bliss_signature_t {
+
+	/**
+	 * Get compressed binary encoding of BLISS signature
+	 *
+	 * @result			binary encoding of BLISS signature
+	 */
+	chunk_t (*get_encoding)(bliss_signature_t *this);
+
+	/**
+	 * Get signature parameters extracted from compressd binary encoding
+	 *
+	 * @param z1		signature vector z1 of size n
+	 * @param z2d		signature vector z2d of size n
+	 * @param c_indices	indices of sparse binary challenge vector of size kappa
+	 */
+	void (*get_parameters)(bliss_signature_t *this, int32_t **z1, int16_t **z2d,
+						   uint16_t **c_indices);
+
+	/**
+	 * Destroy bliss_signature_t object
+	 */
+	void (*destroy)(bliss_signature_t *this);
+
+};
+
+/**
+ * Create a BLISS signature object.
+ *
+ * @param set			BLISS parameter set
+ */
+bliss_signature_t *bliss_signature_create(bliss_param_set_t *set);
+
+/**
+ * Create a BLISS signature object from encoding.
+ *
+ * @param set			BLISS parameter set
+ * @param encoding		binary signature encoding
+ */
+bliss_signature_t *bliss_signature_create_from_data(bliss_param_set_t *set,
+													chunk_t encoding);
+
+#endif /** BLISS_SIGNATURE_H_ @}*/