Annotation of embedaddon/strongswan/src/libstrongswan/plugins/ntru/ntru_param_set.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2014 Andreas Steffen
! 3: * HSR Hochschule fuer Technik Rapperswil
! 4: *
! 5: * Copyright (C) 2009-2013 Security Innovation
! 6: *
! 7: * This program is free software; you can redistribute it and/or modify it
! 8: * under the terms of the GNU General Public License as published by the
! 9: * Free Software Foundation; either version 2 of the License, or (at your
! 10: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 11: *
! 12: * This program is distributed in the hope that it will be useful, but
! 13: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 14: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 15: * for more details.
! 16: */
! 17:
! 18: #include "ntru_param_set.h"
! 19:
! 20: #include <utils/test.h>
! 21:
! 22: ENUM(ntru_param_set_id_names, NTRU_EES401EP1, NTRU_EES743EP1,
! 23: "ees401ep1",
! 24: "ees449ep1",
! 25: "ees677ep1",
! 26: "ees1087ep2",
! 27: "ees541ep1",
! 28: "ees613ep1",
! 29: "ees887ep1",
! 30: "ees1171ep1",
! 31: "ees659ep1",
! 32: "ees761ep1",
! 33: "ees1087ep1",
! 34: "ees1499ep1",
! 35: "ees401ep2",
! 36: "ees439ep1",
! 37: "ees593ep1",
! 38: "ees743ep1"
! 39: );
! 40:
! 41: /**
! 42: * NTRU encryption parameter set definitions
! 43: */
! 44: static const ntru_param_set_t ntru_param_sets[] = {
! 45:
! 46: /* X9.98/IEEE 1363.1 parameter sets for best bandwidth (smallest size) */
! 47: {
! 48: NTRU_EES401EP1, /* parameter-set id */
! 49: {0x00, 0x02, 0x04}, /* OID */
! 50: 0x22, /* DER id */
! 51: 9, /* no. of bits in N (i.e., in an index) */
! 52: 401, /* N */
! 53: 14, /* security strength in octets */
! 54: 2048, /* q */
! 55: 11, /* no. of bits in q (i.e., in a coeff) */
! 56: FALSE, /* product form */
! 57: 113, /* df, dr */
! 58: 133, /* dg */
! 59: 60, /* maxMsgLenBytes */
! 60: 113, /* dm0 */
! 61: 11, /* c */
! 62: 1, /* lLen */
! 63: },
! 64:
! 65: {
! 66: NTRU_EES449EP1, /* parameter-set id */
! 67: {0x00, 0x03, 0x03}, /* OID */
! 68: 0x23, /* DER id */
! 69: 9, /* no. of bits in N (i.e., in an index) */
! 70: 449, /* N */
! 71: 16, /* security strength in octets */
! 72: 2048, /* q */
! 73: 11, /* no. of bits in q (i.e., in a coeff) */
! 74: FALSE, /* product form */
! 75: 134, /* df, dr */
! 76: 149, /* dg */
! 77: 67, /* maxMsgLenBytes */
! 78: 134, /* dm0 */
! 79: 9, /* c */
! 80: 1, /* lLen */
! 81: },
! 82:
! 83: {
! 84: NTRU_EES677EP1, /* parameter-set id */
! 85: {0x00, 0x05, 0x03}, /* OID */
! 86: 0x24, /* DER id */
! 87: 10, /* no. of bits in N (i.e., in an index) */
! 88: 677, /* N */
! 89: 24, /* security strength in octets */
! 90: 2048, /* q */
! 91: 11, /* no. of bits in q (i.e., in a coeff) */
! 92: FALSE, /* product form */
! 93: 157, /* df, dr */
! 94: 225, /* dg */
! 95: 101, /* maxMsgLenBytes */
! 96: 157, /* dm0 */
! 97: 11, /* c */
! 98: 1, /* lLen */
! 99: },
! 100:
! 101: {
! 102: NTRU_EES1087EP2, /* parameter-set id */
! 103: {0x00, 0x06, 0x03}, /* OID */
! 104: 0x25, /* DER id */
! 105: 11, /* no. of bits in N (i.e., in an index) */
! 106: 1087, /* N */
! 107: 32, /* security strength in octets */
! 108: 2048, /* q */
! 109: 11, /* no. of bits in q (i.e., in a coeff) */
! 110: FALSE, /* product form */
! 111: 120, /* df, dr */
! 112: 362, /* dg */
! 113: 170, /* maxMsgLenBytes */
! 114: 120, /* dm0 */
! 115: 13, /* c */
! 116: 1, /* lLen */
! 117: },
! 118:
! 119: /* X9.98/IEEE 1363.1 parameter sets balancing speed and bandwidth */
! 120: {
! 121: NTRU_EES541EP1, /* parameter-set id */
! 122: {0x00, 0x02, 0x05}, /* OID */
! 123: 0x26, /* DER id */
! 124: 10, /* no. of bits in N (i.e., in an index) */
! 125: 541, /* N */
! 126: 14, /* security strength in octets */
! 127: 2048, /* q */
! 128: 11, /* no. of bits in q (i.e., in a coeff) */
! 129: FALSE, /* product form */
! 130: 49, /* df, dr */
! 131: 180, /* dg */
! 132: 86, /* maxMsgLenBytes */
! 133: 49, /* dm0 */
! 134: 12, /* c */
! 135: 1, /* lLen */
! 136: },
! 137:
! 138: {
! 139: NTRU_EES613EP1, /* parameter-set id */
! 140: {0x00, 0x03, 0x04}, /* OID */
! 141: 0x27, /* DER id */
! 142: 10, /* no. of bits in N (i.e., in an index) */
! 143: 613, /* N */
! 144: 16, /* security strength in octets */
! 145: 2048, /* q */
! 146: 11, /* no. of bits in q (i.e., in a coeff) */
! 147: FALSE, /* product form */
! 148: 55, /* df, dr */
! 149: 204, /* dg */
! 150: 97, /* maxMsgLenBytes */
! 151: 55, /* dm0 */
! 152: 11, /* c */
! 153: 1, /* lLen */
! 154: },
! 155:
! 156: {
! 157: NTRU_EES887EP1, /* parameter-set id */
! 158: {0x00, 0x05, 0x04}, /* OID */
! 159: 0x28, /* DER id */
! 160: 10, /* no. of bits in N (i.e., in an index) */
! 161: 887, /* N */
! 162: 24, /* security strength in octets */
! 163: 2048, /* q */
! 164: 11, /* no. of bits in q (i.e., in a coeff) */
! 165: FALSE, /* product form */
! 166: 81, /* df, dr */
! 167: 295, /* dg */
! 168: 141, /* maxMsgLenBytes */
! 169: 81, /* dm0 */
! 170: 10, /* c */
! 171: 1, /* lLen */
! 172: },
! 173:
! 174: {
! 175: NTRU_EES1171EP1, /* parameter-set id */
! 176: {0x00, 0x06, 0x04}, /* OID */
! 177: 0x29, /* DER id */
! 178: 11, /* no. of bits in N (i.e., in an index) */
! 179: 1171, /* N */
! 180: 32, /* security strength in octets */
! 181: 2048, /* q */
! 182: 11, /* no. of bits in q (i.e., in a coeff) */
! 183: FALSE, /* product form */
! 184: 106, /* df, dr */
! 185: 390, /* dg */
! 186: 186, /* maxMsgLenBytes */
! 187: 106, /* dm0 */
! 188: 12, /* c */
! 189: 1, /* lLen */
! 190: },
! 191:
! 192: /* X9.98/IEEE 1363.1 parameter sets for best speed */
! 193: {
! 194: NTRU_EES659EP1, /* parameter-set id */
! 195: {0x00, 0x02, 0x06}, /* OID */
! 196: 0x2a, /* DER id */
! 197: 10, /* no. of bits in N (i.e., in an index) */
! 198: 659, /* N */
! 199: 14, /* security strength in octets */
! 200: 2048, /* q */
! 201: 11, /* no. of bits in q (i.e., in a coeff) */
! 202: FALSE, /* product form */
! 203: 38, /* df, dr */
! 204: 219, /* dg */
! 205: 108, /* maxMsgLenBytes */
! 206: 38, /* dm0 */
! 207: 11, /* c */
! 208: 1, /* lLen */
! 209: },
! 210:
! 211: {
! 212: NTRU_EES761EP1, /* parameter-set id */
! 213: {0x00, 0x03, 0x05}, /* OID */
! 214: 0x2b, /* DER id */
! 215: 10, /* no. of bits in N (i.e., in an index) */
! 216: 761, /* N */
! 217: 16, /* security strength in octets */
! 218: 2048, /* q */
! 219: 11, /* no. of bits in q (i.e., in a coeff) */
! 220: FALSE, /* product form */
! 221: 42, /* df, dr */
! 222: 253, /* dg */
! 223: 125, /* maxMsgLenBytes */
! 224: 42, /* dm0 */
! 225: 12, /* c */
! 226: 1, /* lLen */
! 227: },
! 228:
! 229: {
! 230: NTRU_EES1087EP1, /* parameter-set id */
! 231: {0x00, 0x05, 0x05}, /* OID */
! 232: 0x2c, /* DER id */
! 233: 11, /* no. of bits in N (i.e., in an index) */
! 234: 1087, /* N */
! 235: 24, /* security strength in octets */
! 236: 2048, /* q */
! 237: 11, /* no. of bits in q (i.e., in a coeff) */
! 238: FALSE, /* product form */
! 239: 63, /* df, dr */
! 240: 362, /* dg */
! 241: 178, /* maxMsgLenBytes */
! 242: 63, /* dm0 */
! 243: 13, /* c */
! 244: 1, /* lLen */
! 245: },
! 246:
! 247: {
! 248: NTRU_EES1499EP1, /* parameter-set id */
! 249: {0x00, 0x06, 0x05}, /* OID */
! 250: 0x2d, /* DER id */
! 251: 11, /* no. of bits in N (i.e., in an index) */
! 252: 1499, /* N */
! 253: 32, /* security strength in octets */
! 254: 2048, /* q */
! 255: 11, /* no. of bits in q (i.e., in a coeff) */
! 256: FALSE, /* product form */
! 257: 79, /* df, dr */
! 258: 499, /* dg */
! 259: 247, /* maxMsgLenBytes */
! 260: 79, /* dm0 */
! 261: 13, /* c */
! 262: 1, /* lLen */
! 263: },
! 264:
! 265: /* Best bandwidth and speed, no X9.98 compatibility */
! 266: {
! 267: NTRU_EES401EP2, /* parameter-set id */
! 268: {0x00, 0x02, 0x10}, /* OID */
! 269: 0x2e, /* DER id */
! 270: 9, /* no. of bits in N (i.e., in an index) */
! 271: 401, /* N */
! 272: 14, /* security strength in octets */
! 273: 2048, /* q */
! 274: 11, /* no. of bits in q (i.e., in a coeff) */
! 275: TRUE, /* product form */
! 276: 8 + (8 << 8) + (6 << 16), /* df, dr */
! 277: 133, /* dg */
! 278: 60, /* maxMsgLenBytes */
! 279: 136, /* m(1)_max */
! 280: 11, /* c */
! 281: 1, /* lLen */
! 282: },
! 283:
! 284: {
! 285: NTRU_EES439EP1, /* parameter-set id */
! 286: {0x00, 0x03, 0x10}, /* OID */
! 287: 0x2f, /* DER id */
! 288: 9, /* no. of bits in N (i.e., in an index) */
! 289: 439, /* N */
! 290: 16, /* security strength in octets */
! 291: 2048, /* q */
! 292: 11, /* no. of bits in q (i.e., in a coeff) */
! 293: TRUE, /* product form */
! 294: 9 + (8 << 8) + (5 << 16), /* df, dr */
! 295: 146, /* dg */
! 296: 65, /* maxMsgLenBytes */
! 297: 126, /* m(1)_max */
! 298: 9, /* c */
! 299: 1, /* lLen */
! 300: },
! 301:
! 302: {
! 303: NTRU_EES593EP1, /* parameter-set id */
! 304: {0x00, 0x05, 0x10}, /* OID */
! 305: 0x30, /* DER id */
! 306: 10, /* no. of bits in N (i.e., in an index) */
! 307: 593, /* N */
! 308: 24, /* security strength in octets */
! 309: 2048, /* q */
! 310: 11, /* no. of bits in q (i.e., in a coeff) */
! 311: TRUE, /* product form */
! 312: 10 + (10 << 8) + (8 << 16), /* df, dr */
! 313: 197, /* dg */
! 314: 86, /* maxMsgLenBytes */
! 315: 90, /* m(1)_max */
! 316: 11, /* c */
! 317: 1, /* lLen */
! 318: },
! 319:
! 320: {
! 321: NTRU_EES743EP1, /* parameter-set id */
! 322: {0x00, 0x06, 0x10}, /* OID */
! 323: 0x31, /* DER id */
! 324: 10, /* no. of bits in N (i.e., in an index) */
! 325: 743, /* N */
! 326: 32, /* security strength in octets */
! 327: 2048, /* q */
! 328: 11, /* no. of bits in q (i.e., in a coeff) */
! 329: TRUE, /* product form */
! 330: 11 + (11 << 8) + (15 << 16), /* df, dr */
! 331: 247, /* dg */
! 332: 106, /* maxMsgLenBytes */
! 333: 60, /* m(1)_max */
! 334: 13, /* c */
! 335: 1, /* lLen */
! 336: },
! 337:
! 338: };
! 339:
! 340: /**
! 341: * See header.
! 342: */
! 343: const ntru_param_set_t* ntru_param_set_get_by_id(ntru_param_set_id_t id)
! 344: {
! 345: int i;
! 346:
! 347: for (i = 0; i < countof(ntru_param_sets); i++)
! 348: {
! 349: if (ntru_param_sets[i].id == id)
! 350: {
! 351: return &ntru_param_sets[i];
! 352: }
! 353: }
! 354: return NULL;
! 355: }
! 356:
! 357:
! 358: /**
! 359: * See header.
! 360: */
! 361: const ntru_param_set_t* ntru_param_set_get_by_oid(uint8_t const *oid)
! 362: {
! 363: int i;
! 364:
! 365: for (i = 0; i < countof(ntru_param_sets); i++)
! 366: {
! 367: if (memeq(ntru_param_sets[i].oid, oid, 3))
! 368: {
! 369: return &ntru_param_sets[i];
! 370: }
! 371: }
! 372: return NULL;
! 373: }
! 374:
! 375: EXPORT_FUNCTION_FOR_TESTS(ntru, ntru_param_set_get_by_id);
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