Defined BLISS I and IV parameter sets

2014-11-29 14:51:14 +01:00
parent 6d31c7ef74
commit 73a327404d
4 changed files with 365 additions and 19 deletions
@@ -0,0 +1,96 @@
+/*
+ * 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.
+ */
+
+#include "bliss_param_set.h"
+
+#include <asn1/oid.h>
+
+ENUM(bliss_param_set_id_names, BLISS_I, BLISS_IV,
+	"BLISS-I",
+	"BLISS-II",
+	"BLISS-III",
+	"BLISS-IV"
+);
+
+/**
+ * BLISS signature parameter set definitions
+ */
+static bliss_param_set_t bliss_param_sets[] = {
+
+	/* BLISS-I scheme */
+    {
+        .id = BLISS_I, 
+		.oid = OID_BLISS_I,
+		.strength = 128,
+		.q = 12289,
+		.n = 512,
+		.n_bits = 9,
+		.fft_params = &bliss_fft_12289_512,
+		.non_zero1 = 154,
+		.non_zero2 = 0,
+		.kappa = 23,
+		.nks_max = 46479,
+      },
+
+	/* BLISS-IV scheme */
+    {
+        .id = BLISS_IV, 
+		.oid = OID_BLISS_IV,
+		.strength = 192,
+		.q = 12289,
+		.n = 512,
+		.n_bits = 9,
+		.fft_params = &bliss_fft_12289_512,
+		.non_zero1 = 231,
+		.non_zero2 = 31,
+		.kappa = 39,
+		.nks_max = 244669,
+      }
+};
+
+/**
+ * See header.
+ */
+bliss_param_set_t* bliss_param_set_get_by_id(bliss_param_set_id_t id)
+{
+	int i;
+
+	for (i = 0; i < countof(bliss_param_sets); i++)
+	{
+		if (bliss_param_sets[i].id == id)
+		{
+			return &bliss_param_sets[i];
+		}
+	}
+	return NULL;
+}
+
+
+/**
+ * See header.
+ */
+bliss_param_set_t* bliss_param_set_get_by_oid(int oid)
+{
+	int i;
+
+	for (i = 0; i < countof(bliss_param_sets); i++)
+	{
+		if (bliss_param_sets[i].oid == oid)
+		{
+			return &bliss_param_sets[i];
+		}
+	}
+	return NULL;
+}