/*
* Copyright (C) 2014 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* Copyright (C) 2009-2013 Security Innovation
*
* 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 "ntru_param_set.h"
#include <utils/test.h>
ENUM(ntru_param_set_id_names, NTRU_EES401EP1, NTRU_EES743EP1,
"ees401ep1",
"ees449ep1",
"ees677ep1",
"ees1087ep2",
"ees541ep1",
"ees613ep1",
"ees887ep1",
"ees1171ep1",
"ees659ep1",
"ees761ep1",
"ees1087ep1",
"ees1499ep1",
"ees401ep2",
"ees439ep1",
"ees593ep1",
"ees743ep1"
);
/**
* NTRU encryption parameter set definitions
*/
static const ntru_param_set_t ntru_param_sets[] = {
/* X9.98/IEEE 1363.1 parameter sets for best bandwidth (smallest size) */
{
NTRU_EES401EP1, /* parameter-set id */
{0x00, 0x02, 0x04}, /* OID */
0x22, /* DER id */
9, /* no. of bits in N (i.e., in an index) */
401, /* N */
14, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
113, /* df, dr */
133, /* dg */
60, /* maxMsgLenBytes */
113, /* dm0 */
11, /* c */
1, /* lLen */
},
{
NTRU_EES449EP1, /* parameter-set id */
{0x00, 0x03, 0x03}, /* OID */
0x23, /* DER id */
9, /* no. of bits in N (i.e., in an index) */
449, /* N */
16, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
134, /* df, dr */
149, /* dg */
67, /* maxMsgLenBytes */
134, /* dm0 */
9, /* c */
1, /* lLen */
},
{
NTRU_EES677EP1, /* parameter-set id */
{0x00, 0x05, 0x03}, /* OID */
0x24, /* DER id */
10, /* no. of bits in N (i.e., in an index) */
677, /* N */
24, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
157, /* df, dr */
225, /* dg */
101, /* maxMsgLenBytes */
157, /* dm0 */
11, /* c */
1, /* lLen */
},
{
NTRU_EES1087EP2, /* parameter-set id */
{0x00, 0x06, 0x03}, /* OID */
0x25, /* DER id */
11, /* no. of bits in N (i.e., in an index) */
1087, /* N */
32, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
120, /* df, dr */
362, /* dg */
170, /* maxMsgLenBytes */
120, /* dm0 */
13, /* c */
1, /* lLen */
},
/* X9.98/IEEE 1363.1 parameter sets balancing speed and bandwidth */
{
NTRU_EES541EP1, /* parameter-set id */
{0x00, 0x02, 0x05}, /* OID */
0x26, /* DER id */
10, /* no. of bits in N (i.e., in an index) */
541, /* N */
14, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
49, /* df, dr */
180, /* dg */
86, /* maxMsgLenBytes */
49, /* dm0 */
12, /* c */
1, /* lLen */
},
{
NTRU_EES613EP1, /* parameter-set id */
{0x00, 0x03, 0x04}, /* OID */
0x27, /* DER id */
10, /* no. of bits in N (i.e., in an index) */
613, /* N */
16, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
55, /* df, dr */
204, /* dg */
97, /* maxMsgLenBytes */
55, /* dm0 */
11, /* c */
1, /* lLen */
},
{
NTRU_EES887EP1, /* parameter-set id */
{0x00, 0x05, 0x04}, /* OID */
0x28, /* DER id */
10, /* no. of bits in N (i.e., in an index) */
887, /* N */
24, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
81, /* df, dr */
295, /* dg */
141, /* maxMsgLenBytes */
81, /* dm0 */
10, /* c */
1, /* lLen */
},
{
NTRU_EES1171EP1, /* parameter-set id */
{0x00, 0x06, 0x04}, /* OID */
0x29, /* DER id */
11, /* no. of bits in N (i.e., in an index) */
1171, /* N */
32, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
106, /* df, dr */
390, /* dg */
186, /* maxMsgLenBytes */
106, /* dm0 */
12, /* c */
1, /* lLen */
},
/* X9.98/IEEE 1363.1 parameter sets for best speed */
{
NTRU_EES659EP1, /* parameter-set id */
{0x00, 0x02, 0x06}, /* OID */
0x2a, /* DER id */
10, /* no. of bits in N (i.e., in an index) */
659, /* N */
14, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
38, /* df, dr */
219, /* dg */
108, /* maxMsgLenBytes */
38, /* dm0 */
11, /* c */
1, /* lLen */
},
{
NTRU_EES761EP1, /* parameter-set id */
{0x00, 0x03, 0x05}, /* OID */
0x2b, /* DER id */
10, /* no. of bits in N (i.e., in an index) */
761, /* N */
16, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
42, /* df, dr */
253, /* dg */
125, /* maxMsgLenBytes */
42, /* dm0 */
12, /* c */
1, /* lLen */
},
{
NTRU_EES1087EP1, /* parameter-set id */
{0x00, 0x05, 0x05}, /* OID */
0x2c, /* DER id */
11, /* no. of bits in N (i.e., in an index) */
1087, /* N */
24, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
63, /* df, dr */
362, /* dg */
178, /* maxMsgLenBytes */
63, /* dm0 */
13, /* c */
1, /* lLen */
},
{
NTRU_EES1499EP1, /* parameter-set id */
{0x00, 0x06, 0x05}, /* OID */
0x2d, /* DER id */
11, /* no. of bits in N (i.e., in an index) */
1499, /* N */
32, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
FALSE, /* product form */
79, /* df, dr */
499, /* dg */
247, /* maxMsgLenBytes */
79, /* dm0 */
13, /* c */
1, /* lLen */
},
/* Best bandwidth and speed, no X9.98 compatibility */
{
NTRU_EES401EP2, /* parameter-set id */
{0x00, 0x02, 0x10}, /* OID */
0x2e, /* DER id */
9, /* no. of bits in N (i.e., in an index) */
401, /* N */
14, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
TRUE, /* product form */
8 + (8 << 8) + (6 << 16), /* df, dr */
133, /* dg */
60, /* maxMsgLenBytes */
136, /* m(1)_max */
11, /* c */
1, /* lLen */
},
{
NTRU_EES439EP1, /* parameter-set id */
{0x00, 0x03, 0x10}, /* OID */
0x2f, /* DER id */
9, /* no. of bits in N (i.e., in an index) */
439, /* N */
16, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
TRUE, /* product form */
9 + (8 << 8) + (5 << 16), /* df, dr */
146, /* dg */
65, /* maxMsgLenBytes */
126, /* m(1)_max */
9, /* c */
1, /* lLen */
},
{
NTRU_EES593EP1, /* parameter-set id */
{0x00, 0x05, 0x10}, /* OID */
0x30, /* DER id */
10, /* no. of bits in N (i.e., in an index) */
593, /* N */
24, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
TRUE, /* product form */
10 + (10 << 8) + (8 << 16), /* df, dr */
197, /* dg */
86, /* maxMsgLenBytes */
90, /* m(1)_max */
11, /* c */
1, /* lLen */
},
{
NTRU_EES743EP1, /* parameter-set id */
{0x00, 0x06, 0x10}, /* OID */
0x31, /* DER id */
10, /* no. of bits in N (i.e., in an index) */
743, /* N */
32, /* security strength in octets */
2048, /* q */
11, /* no. of bits in q (i.e., in a coeff) */
TRUE, /* product form */
11 + (11 << 8) + (15 << 16), /* df, dr */
247, /* dg */
106, /* maxMsgLenBytes */
60, /* m(1)_max */
13, /* c */
1, /* lLen */
},
};
/**
* See header.
*/
const ntru_param_set_t* ntru_param_set_get_by_id(ntru_param_set_id_t id)
{
int i;
for (i = 0; i < countof(ntru_param_sets); i++)
{
if (ntru_param_sets[i].id == id)
{
return &ntru_param_sets[i];
}
}
return NULL;
}
/**
* See header.
*/
const ntru_param_set_t* ntru_param_set_get_by_oid(uint8_t const *oid)
{
int i;
for (i = 0; i < countof(ntru_param_sets); i++)
{
if (memeq(ntru_param_sets[i].oid, oid, 3))
{
return &ntru_param_sets[i];
}
}
return NULL;
}
EXPORT_FUNCTION_FOR_TESTS(ntru, ntru_param_set_get_by_id);
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