This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/baseband-devel@lists.osmocom.org/.
Max Max.Suraev at fairwaves.ru--- include/osmocom/gsm/kasumi.h | 36 ++++++++ src/gsm/kasumi.c | 193 ++++++++++++++++++++++++++++++++++++++++++ tests/kasumi/kasumi_test.c | 128 ++++++++++++++++++++++++++++ tests/kasumi/kasumi_test.ok | 10 +++ 4 files changed, 367 insertions(+) create mode 100644 include/osmocom/gsm/kasumi.h create mode 100644 src/gsm/kasumi.c create mode 100644 tests/kasumi/kasumi_test.c create mode 100644 tests/kasumi/kasumi_test.ok diff --git a/include/osmocom/gsm/kasumi.h b/include/osmocom/gsm/kasumi.h new file mode 100644 index 0000000..8479968 --- /dev/null +++ b/include/osmocom/gsm/kasumi.h @@ -0,0 +1,36 @@ +/* + * KASUMI header + * + * See kasumi.c for details + */ + +#ifndef __KASUMI_H__ +#define __KASUMI_H__ + +#include <stdint.h> + +/* + * Single iteration of KASUMI cipher +*/ +uint64_t _kasumi(uint64_t P, uint16_t *KLi1, uint16_t *KLi2, uint16_t *KOi1, uint16_t *KOi2, uint16_t *KOi3, uint16_t *KIi1, uint16_t *KIi2, uint16_t *KIi3); + +/* + * Implementation of the KGCORE algorithm (used by A5/3, A5/4, GEA3, GEA4 and ECSD) + * + * CA : uint8_t + * cb : uint8_t + * cc : uint32_t + * cd : uint8_t + * ck : uint8_t [8] + * co : uint8_t [output, cl-dependent] + * cl : uint16_t + */ +void _kasumi_kgcore(uint8_t CA, uint8_t cb, uint32_t cc, uint8_t cd, const uint8_t *ck, uint8_t *co, uint16_t cl); + +/*! \brief Expand key into set of subkeys + * \param[in] key (128 bits) as array of bytes + * \param[out] arrays of round-specific subkeys - see TS 135 202 for details + */ +void _kasumi_key_expand(const uint8_t *key, uint16_t *KLi1, uint16_t *KLi2, uint16_t *KOi1, uint16_t *KOi2, uint16_t *KOi3, uint16_t *KIi1, uint16_t *KIi2, uint16_t *KIi3); + +#endif /* __KASUMI_H__ */ diff --git a/src/gsm/kasumi.c b/src/gsm/kasumi.c new file mode 100644 index 0000000..816c681 --- /dev/null +++ b/src/gsm/kasumi.c @@ -0,0 +1,193 @@ +/* Kasumi cipher and KGcore functions */ + +/* (C) 2013 by Max <Max.Suraev at fairwaves.ru> + * + * All Rights Reserved + * + * 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. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include <stdint.h> +#include <osmocom/core/bits.h> +#include <osmocom/gsm/kasumi.h> + +static uint16_t +_kasumi_FI(uint16_t I, uint16_t skey) +{ + static uint16_t S7[] = { + 54, 50, 62, 56, 22, 34, 94, 96, 38, 6, 63, 93, 2, 18, 123, 33, + 55, 113, 39, 114, 21, 67, 65, 12, 47, 73, 46, 27, 25, 111, 124, 81, + 53, 9, 121, 79, 52, 60, 58, 48, 101, 127, 40, 120, 104, 70, 71, 43, + 20, 122, 72, 61, 23, 109, 13, 100, 77, 1, 16, 7, 82, 10, 105, 98, + 117, 116, 76, 11, 89, 106, 0,125,118, 99, 86, 69, 30, 57, 126, 87, + 112, 51, 17, 5, 95, 14, 90, 84, 91, 8, 35,103, 32, 97, 28, 66, + 102, 31, 26, 45, 75, 4, 85, 92, 37, 74, 80, 49, 68, 29, 115, 44, + 64, 107, 108, 24, 110, 83, 36, 78, 42, 19, 15, 41, 88, 119, 59, 3 + }; + static uint16_t S9[] = { + 167, 239, 161, 379, 391, 334, 9, 338, 38, 226, 48, 358, 452, 385, 90, 397, + 183, 253, 147, 331, 415, 340, 51, 362, 306, 500, 262, 82, 216, 159, 356, 177, + 175, 241, 489, 37, 206, 17, 0, 333, 44, 254, 378, 58, 143, 220, 81, 400, + 95, 3, 315, 245, 54, 235, 218, 405, 472, 264, 172, 494, 371, 290, 399, 76, + 165, 197, 395, 121, 257, 480, 423, 212, 240, 28, 462, 176, 406, 507, 288, 223, + 501, 407, 249, 265, 89, 186, 221, 428,164, 74, 440, 196, 458, 421, 350, 163, + 232, 158, 134, 354, 13, 250, 491, 142,191, 69, 193, 425, 152, 227, 366, 135, + 344, 300, 276, 242, 437, 320, 113, 278, 11, 243, 87, 317, 36, 93, 496, 27, + 487, 446, 482, 41, 68, 156, 457, 131, 326, 403, 339, 20, 39, 115, 442, 124, + 475, 384, 508, 53, 112, 170, 479, 151, 126, 169, 73, 268, 279, 321, 168, 364, + 363, 292, 46, 499, 393, 327, 324, 24, 456, 267, 157, 460, 488, 426, 309, 229, + 439, 506, 208, 271, 349, 401, 434, 236, 16, 209, 359, 52, 56, 120, 199, 277, + 465, 416, 252, 287, 246, 6, 83, 305, 420, 345, 153,502, 65, 61, 244, 282, + 173, 222, 418, 67, 386, 368, 261, 101, 476, 291, 195,430, 49, 79, 166, 330, + 280, 383, 373, 128, 382, 408, 155, 495, 367, 388, 274, 107, 459, 417, 62, 454, + 132, 225, 203, 316, 234, 14, 301, 91, 503, 286, 424, 211, 347, 307, 140, 374, + 35, 103, 125, 427, 19, 214, 453, 146, 498, 314, 444, 230, 256, 329, 198, 285, + 50, 116, 78, 410, 10, 205, 510, 171, 231, 45, 139, 467, 29, 86, 505, 32, + 72, 26, 342, 150, 313, 490, 431, 238, 411, 325, 149, 473, 40, 119, 174, 355, + 185, 233, 389, 71, 448, 273, 372, 55, 110, 178, 322, 12, 469, 392, 369, 190, + 1, 109, 375, 137, 181, 88, 75, 308, 260, 484, 98, 272, 370, 275, 412, 111, + 336, 318, 4, 504, 492, 259, 304, 77, 337, 435, 21, 357, 303, 332, 483, 18, + 47, 85, 25, 497, 474, 289, 100, 269, 296, 478, 270, 106, 31, 104, 433, 84, + 414, 486, 394, 96, 99, 154, 511, 148, 413, 361, 409, 255, 162, 215, 302, 201, + 266, 351, 343, 144, 441, 365, 108, 298, 251, 34, 182, 509, 138, 210, 335, 133, + 311, 352, 328, 141, 396, 346, 123, 319, 450, 281, 429, 228, 443, 481, 92, 404, + 485, 422, 248, 297, 23, 213, 130, 466, 22, 217, 283, 70, 294, 360, 419, 127, + 312, 377, 7, 468, 194, 2, 117, 295, 463, 258, 224, 447, 247, 187, 80, 398, + 284, 353, 105, 390, 299, 471, 470, 184, 57, 200, 348, 63, 204, 188, 33, 451, + 97, 30, 310, 219, 94, 160, 129, 493, 64, 179, 263, 102, 189, 207, 114, 402, + 438, 477, 387, 122, 192, 42, 381, 5, 145, 118, 180, 449, 293, 323, 136, 380, + 43, 66, 60, 455, 341, 445, 202, 432, 8, 237, 15, 376, 436, 464, 59, 461 + }; + uint16_t L, R; + + /* Split 16 bit input into two unequal halves: 9 and 7 bits, same for subkey */ + L = I >> 7; /* take 9 bits */ + R = I & 0x7F; /* take 7 bits */ + + L = S9[L] ^ R; + R = S7[R] ^ (L & 0x7F); + + L ^= (skey & 0x1FF); + R ^= (skey >> 9); + + L = S9[L] ^ R; + R = S7[R] ^ (L & 0x7F); + + return (R << 9) + L; +} + +static uint32_t +_kasumi_FO(uint32_t I, uint16_t *KOi1, uint16_t *KOi2, uint16_t *KOi3, uint16_t *KIi1, uint16_t *KIi2, uint16_t *KIi3, unsigned i) +{ + uint16_t L = I >> 16, R = I; /* Split 32 bit input into Left and Right parts */ + + L ^= KOi1[i]; + L = _kasumi_FI(L, KIi1[i]); + L ^= R; + + R ^= KOi2[i]; + R = _kasumi_FI(R, KIi2[i]); + R ^= L; + + L ^= KOi3[i]; + L = _kasumi_FI(L, KIi3[i]); + L ^= R; + + return (((uint32_t)R) << 16) + L; +} + +static uint32_t +_kasumi_FL(uint32_t I, uint16_t *KLi1, uint16_t *KLi2, unsigned i) +{ + uint16_t L = I >> 16, R = I, tmp; /* Split 32 bit input into Left and Right parts */ + + tmp = L & KLi1[i]; + R ^= rol16(tmp, 1); + + tmp = R | KLi2[i]; + L ^= rol16(tmp, 1); + + return (((uint32_t)L) << 16) + R; +} + +uint64_t +_kasumi(uint64_t P, uint16_t *KLi1, uint16_t *KLi2, uint16_t *KOi1, uint16_t *KOi2, uint16_t *KOi3, uint16_t *KIi1, uint16_t *KIi2, uint16_t *KIi3) +{ + uint32_t i, L = P >> 32, R = P; /* Split 64 bit input into Left and Right parts */ + + for (i = 0; i < 8; i++) + { + R ^= _kasumi_FO(_kasumi_FL(L, KLi1, KLi2, i), KOi1, KOi2, KOi3, KIi1, KIi2, KIi3, i); /* odd round */ + i++; + L ^= _kasumi_FL(_kasumi_FO(R, KOi1, KOi2, KOi3, KIi1, KIi2, KIi3, i), KLi1, KLi2, i); /* even round */ + } + return (((uint64_t)L) << 32) + R; /* Concatenate Left and Right 32 bits into 64 bit ciphertext */ +} + +/*! \brief Expand key into set of subkeys + * \param[in] key (128 bits) as array of bytes + * \param[out] arrays of round-specific subkeys - see TS 135 202 for details + */ +void +_kasumi_key_expand(const uint8_t *key, uint16_t *KLi1, uint16_t *KLi2, uint16_t *KOi1, uint16_t *KOi2, uint16_t *KOi3, uint16_t *KIi1, uint16_t *KIi2, uint16_t *KIi3) +{ + uint16_t i, C[] = { 0x0123, 0x4567, 0x89AB, 0xCDEF, 0xFEDC, 0xBA98, 0x7654, 0x3210 }; + + for (i = 0; i < 8; i++) /* Work with 16 bit subkeys and create prime subkeys */ + { + C[i] ^= osmo_get2bytes(key + i * 2); + } + /* C[] now stores K-prime[] */ + for (i = 0; i < 8; i++) /* Create round-specific subkeys */ + { + KLi1[i] = rol16(osmo_get2bytes(key + i * 2), 1); + KLi2[i] = C[(i + 2) & 0x7]; + + KOi1[i] = rol16(osmo_get2bytes(key + ((2 * (i + 1)) & 0xE)), 5); + KOi2[i] = rol16(osmo_get2bytes(key + ((2 * (i + 5)) & 0xE)), 8); + KOi3[i] = rol16(osmo_get2bytes(key + ((2 * (i + 6)) & 0xE)), 13); + + KIi1[i] = C[(i + 4) & 0x7]; + KIi2[i] = C[(i + 3) & 0x7]; + KIi3[i] = C[(i + 7) & 0x7]; + } +} + +void +_kasumi_kgcore(uint8_t CA, uint8_t cb, uint32_t cc, uint8_t cd, const uint8_t *ck, uint8_t *co, uint16_t cl) +{ + uint16_t KLi1[8], KLi2[8], KOi1[8], KOi2[8], KOi3[8], KIi1[8], KIi2[8], KIi3[8], i; + uint64_t A = ((uint64_t)cc) << 32, BLK = 0, _ca = ((uint64_t)CA << 16) ; + A |= _ca; + _ca = (uint64_t)((cb << 3) | (cd << 2)) << 24; + A |= _ca; + /* Register loading complete: see TR 55.919 8.2 and TS 55.216 3.2 */ + + uint8_t ck_km[16]; + for (i = 0; i < 16; i++) ck_km[i] = ck[i] ^ 0x55; /* Modified key established */ + + /* preliminary round with modified key */ + _kasumi_key_expand(ck_km, KLi1, KLi2, KOi1, KOi2, KOi3, KIi1, KIi2, KIi3); + A = _kasumi(A, KLi1, KLi2, KOi1, KOi2, KOi3, KIi1, KIi2, KIi3); + + /* Run Kasumi in OFB to obtain enough data for gamma. */ + _kasumi_key_expand(ck, KLi1, KLi2, KOi1, KOi2, KOi3, KIi1, KIi2, KIi3); + for (i = 0; i < cl / 64 + 1; i++) /* i is a block counter */ + { + BLK = _kasumi(A ^ i ^ BLK, KLi1, KLi2, KOi1, KOi2, KOi3, KIi1, KIi2, KIi3); + osmo_64pack2pbit(BLK, co + (i * 8)); + } +} diff --git a/tests/kasumi/kasumi_test.c b/tests/kasumi/kasumi_test.c new file mode 100644 index 0000000..5504905 --- /dev/null +++ b/tests/kasumi/kasumi_test.c @@ -0,0 +1,128 @@ +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <stdbool.h> + +#include <osmocom/core/bits.h> +#include <osmocom/core/utils.h> +#include <osmocom/gsm/kasumi.h> // for testing internal A5/3 functions + + +inline int _compare_mem(uint8_t * x, uint8_t * y, size_t len) { + if (0 != memcmp(x, y, len)) { + printf ("X: %s\t", osmo_hexdump_nospc(x, len)); + printf ("Y: %s\n", osmo_hexdump_nospc(y, len)); + return 0; + } + return 1; +} + +inline static void test_expansion(uint8_t * test_key, uint16_t * _KLi1, uint16_t * _KLi2, uint16_t * _KOi1, uint16_t * _KOi2, uint16_t * _KOi3, uint16_t * _KIi1, uint16_t * _KIi2, uint16_t * _KIi3, uint16_t * _KLi1_r, uint16_t * _KLi2_r, uint16_t * _KOi1_r, uint16_t * _KOi2_r, uint16_t * _KOi3_r, uint16_t * _KIi1_r, uint16_t * _KIi2_r, uint16_t * _KIi3_r) +{ + _kasumi_key_expand(test_key, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3); + int passed = 1; + passed = _compare_mem((uint8_t *)_KLi1, (uint8_t *)_KLi1_r, 16); + passed = _compare_mem((uint8_t *)_KLi2, (uint8_t *)_KLi2_r, 16); + passed = _compare_mem((uint8_t *)_KOi1, (uint8_t *)_KOi1_r, 16); + passed = _compare_mem((uint8_t *)_KOi2, (uint8_t *)_KOi2_r, 16); + passed = _compare_mem((uint8_t *)_KOi3, (uint8_t *)_KOi3_r, 16); + passed = _compare_mem((uint8_t *)_KIi1, (uint8_t *)_KIi1_r, 16); + passed = _compare_mem((uint8_t *)_KIi2, (uint8_t *)_KIi2_r, 16); + passed = _compare_mem((uint8_t *)_KIi3, (uint8_t *)_KIi3_r, 16); + if (passed) printf(" OK. "); else printf("FAILED!"); +} + +int main(int argc, char **argv) +{ + uint16_t _KLi1[8], _KLi2[8], _KOi1[8], _KOi2[8], _KOi3[8], _KIi1[8], _KIi2[8], _KIi3[8], _KLi1_r[8], _KLi2_r[8], _KOi1_r[8], _KOi2_r[8], _KOi3_r[8], _KIi1_r[8], _KIi2_r[8], _KIi3_r[8]; + + printf("testing KASUMI key expansion and encryption (ETSI TS 135 203):\n"); + printf("KASUMI Test Set 1..."); + +uint8_t _test_key1[] = {0x2B, 0xD6, 0x45, 0x9F, 0x82, 0xC5, 0xB3, 0x00, 0x95, 0x2C, 0x49, 0x10, 0x48, 0x81, 0xFF, 0x48}; +_KLi1_r[0] = 0x57AC; _KLi1_r[1] = 0x8B3E; _KLi1_r[2] = 0x058B; _KLi1_r[3] = 0x6601; _KLi1_r[4] = 0x2A59; _KLi1_r[5] = 0x9220; _KLi1_r[6] = 0x9102; _KLi1_r[7] = 0xFE91; +_KLi2_r[0] = 0x0B6E; _KLi2_r[1] = 0x7EEF; _KLi2_r[2] = 0x6BF0; _KLi2_r[3] = 0xF388; _KLi2_r[4] = 0x3ED5; _KLi2_r[5] = 0xCD58; _KLi2_r[6] = 0x2AF5; _KLi2_r[7] = 0x00F8; +_KOi1_r[0] = 0xB3E8; _KOi1_r[1] = 0x58B0; _KOi1_r[2] = 0x6016; _KOi1_r[3] = 0xA592; _KOi1_r[4] = 0x2209; _KOi1_r[5] = 0x1029; _KOi1_r[6] = 0xE91F; _KOi1_r[7] = 0x7AC5; +_KOi2_r[0] = 0x1049; _KOi2_r[1] = 0x8148; _KOi2_r[2] = 0x48FF; _KOi2_r[3] = 0xD62B; _KOi2_r[4] = 0x9F45; _KOi2_r[5] = 0xC582; _KOi2_r[6] = 0x00B3; _KOi2_r[7] = 0x2C95; +_KOi3_r[0] = 0x2910; _KOi3_r[1] = 0x1FE9; _KOi3_r[2] = 0xC57A; _KOi3_r[3] = 0xE8B3; _KOi3_r[4] = 0xB058; _KOi3_r[5] = 0x1660; _KOi3_r[6] = 0x92A5; _KOi3_r[7] = 0x0922; +_KIi1_r[0] = 0x6BF0; _KIi1_r[1] = 0xF388; _KIi1_r[2] = 0x3ED5; _KIi1_r[3] = 0xCD58; _KIi1_r[4] = 0x2AF5; _KIi1_r[5] = 0x00F8; _KIi1_r[6] = 0x0B6E; _KIi1_r[7] = 0x7EEF; +_KIi2_r[0] = 0x7EEF; _KIi2_r[1] = 0x6BF0; _KIi2_r[2] = 0xF388; _KIi2_r[3] = 0x3ED5; _KIi2_r[4] = 0xCD58; _KIi2_r[5] = 0x2AF5; _KIi2_r[6] = 0x00F8; _KIi2_r[7] = 0x0B6E; +_KIi3_r[0] = 0xCD58; _KIi3_r[1] = 0x2AF5; _KIi3_r[2] = 0x00F8; _KIi3_r[3] = 0x0B6E; _KIi3_r[4] = 0x7EEF; _KIi3_r[5] = 0x6BF0; _KIi3_r[6] = 0xF388; _KIi3_r[7] = 0x3ED5; +test_expansion(_test_key1, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3, _KLi1_r, _KLi2_r, _KOi1_r, _KOi2_r, _KOi3_r, _KIi1_r, _KIi2_r, _KIi3_r); + +if (0xDF1F9B251C0BF45F == _kasumi(0xEA024714AD5C4D84, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3)) + printf("OK."); else printf("FAILED!"); + +printf("\nKASUMI Test Set 2..."); + +uint8_t _test_key2[] = {0x8C, 0xE3, 0x3E, 0x2C, 0xC3, 0xC0, 0xB5, 0xFC, 0x1F, 0x3D, 0xE8, 0xA6, 0xDC, 0x66, 0xB1, 0xF3}; +_KLi1_r[0] = 0x19C7; _KLi1_r[1] = 0x7C58; _KLi1_r[2] = 0x8781; _KLi1_r[3] = 0x6BF9; _KLi1_r[4] = 0x3E7A; _KLi1_r[5] = 0xD14D; _KLi1_r[6] = 0xB8CD; _KLi1_r[7] = 0x63E7; +_KLi2_r[0] = 0x4A6B; _KLi2_r[1] = 0x7813; _KLi2_r[2] = 0xE1E1; _KLi2_r[3] = 0x523E; _KLi2_r[4] = 0xAA32; _KLi2_r[5] = 0x83E3; _KLi2_r[6] = 0x8DC0; _KLi2_r[7] = 0x7B4B; +_KOi1_r[0] = 0xC587; _KOi1_r[1] = 0x7818; _KOi1_r[2] = 0xBF96; _KOi1_r[3] = 0xE7A3; _KOi1_r[4] = 0x14DD; _KOi1_r[5] = 0x8CDB; _KOi1_r[6] = 0x3E76; _KOi1_r[7] = 0x9C71; +_KOi2_r[0] = 0xA6E8; _KOi2_r[1] = 0x66DC; _KOi2_r[2] = 0xF3B1; _KOi2_r[3] = 0xE38C; _KOi2_r[4] = 0x2C3E; _KOi2_r[5] = 0xC0C3; _KOi2_r[6] = 0xFCB5; _KOi2_r[7] = 0x3D1F; +_KOi3_r[0] = 0xDB8C; _KOi3_r[1] = 0x763E; _KOi3_r[2] = 0x719C; _KOi3_r[3] = 0x87C5; _KOi3_r[4] = 0x1878; _KOi3_r[5] = 0x96BF; _KOi3_r[6] = 0xA3E7; _KOi3_r[7] = 0xDD14; +_KIi1_r[0] = 0xE1E1; _KIi1_r[1] = 0x523E; _KIi1_r[2] = 0xAA32; _KIi1_r[3] = 0x83E3; _KIi1_r[4] = 0x8DC0; _KIi1_r[5] = 0x7B4B; _KIi1_r[6] = 0x4A6B; _KIi1_r[7] = 0x7813; +_KIi2_r[0] = 0x7813; _KIi2_r[1] = 0xE1E1; _KIi2_r[2] = 0x523E; _KIi2_r[3] = 0xAA32; _KIi2_r[4] = 0x83E3; _KIi2_r[5] = 0x8DC0; _KIi2_r[6] = 0x7B4B; _KIi2_r[7] = 0x4A6B; +_KIi3_r[0] = 0x83E3; _KIi3_r[1] = 0x8DC0; _KIi3_r[2] = 0x7B4B; _KIi3_r[3] = 0x4A6B; _KIi3_r[4] = 0x7813; _KIi3_r[5] = 0xE1E1; _KIi3_r[6] = 0x523E; _KIi3_r[7] = 0xAA32; +test_expansion(_test_key2, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3, _KLi1_r, _KLi2_r, _KOi1_r, _KOi2_r, _KOi3_r, _KIi1_r, _KIi2_r, _KIi3_r); + +if (0xDE551988CEB2F9B7 == _kasumi(0xD3C5D592327FB11C, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3)) + printf("OK."); else printf("FAILED!"); + +printf("\nKASUMI Test Set 3..."); + +uint8_t _test_key3[] = {0x40, 0x35, 0xC6, 0x68, 0x0A, 0xF8, 0xC6, 0xD1, 0xA8, 0xFF, 0x86, 0x67, 0xB1, 0x71, 0x40, 0x13}; +_KLi1_r[0] = 0x806A; _KLi1_r[1] = 0x8CD1; _KLi1_r[2] = 0x15F0; _KLi1_r[3] = 0x8DA3; _KLi1_r[4] = 0x51FF; _KLi1_r[5] = 0x0CCF; _KLi1_r[6] = 0x62E3; _KLi1_r[7] = 0x8026; +_KLi2_r[0] = 0x8353; _KLi2_r[1] = 0x0B3E; _KLi2_r[2] = 0x5623; _KLi2_r[3] = 0x3CFF; _KLi2_r[4] = 0xC725; _KLi2_r[5] = 0x7203; _KLi2_r[6] = 0x4116; _KLi2_r[7] = 0x830F; +_KOi1_r[0] = 0xCD18; _KOi1_r[1] = 0x5F01; _KOi1_r[2] = 0xDA38; _KOi1_r[3] = 0x1FF5; _KOi1_r[4] = 0xCCF0; _KOi1_r[5] = 0x2E36; _KOi1_r[6] = 0x0268; _KOi1_r[7] = 0x06A8; +_KOi2_r[0] = 0x6786; _KOi2_r[1] = 0x71B1; _KOi2_r[2] = 0x1340; _KOi2_r[3] = 0x3540; _KOi2_r[4] = 0x68C6; _KOi2_r[5] = 0xF80A; _KOi2_r[6] = 0xD1C6; _KOi2_r[7] = 0xFFA8; +_KOi3_r[0] = 0x362E; _KOi3_r[1] = 0x6802; _KOi3_r[2] = 0xA806; _KOi3_r[3] = 0x18CD; _KOi3_r[4] = 0x015F; _KOi3_r[5] = 0x38DA; _KOi3_r[6] = 0xF51F; _KOi3_r[7] = 0xF0CC; +_KIi1_r[0] = 0x5623; _KIi1_r[1] = 0x3CFF; _KIi1_r[2] = 0xC725; _KIi1_r[3] = 0x7203; _KIi1_r[4] = 0x4116; _KIi1_r[5] = 0x830F; _KIi1_r[6] = 0x8353; _KIi1_r[7] = 0x0B3E; +_KIi2_r[0] = 0x0B3E; _KIi2_r[1] = 0x5623; _KIi2_r[2] = 0x3CFF; _KIi2_r[3] = 0xC725; _KIi2_r[4] = 0x7203; _KIi2_r[5] = 0x4116; _KIi2_r[6] = 0x830F; _KIi2_r[7] = 0x8353; +_KIi3_r[0] = 0x7203; _KIi3_r[1] = 0x4116; _KIi3_r[2] = 0x830F; _KIi3_r[3] = 0x8353; _KIi3_r[4] = 0x0B3E; _KIi3_r[5] = 0x5623; _KIi3_r[6] = 0x3CFF; _KIi3_r[7] = 0xC725; +test_expansion(_test_key3, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3, _KLi1_r, _KLi2_r, _KOi1_r, _KOi2_r, _KOi3_r, _KIi1_r, _KIi2_r, _KIi3_r); + +if (0x4592B0E78690F71B == _kasumi(0x62A540981BA6F9B7, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3)) + printf("OK."); else printf("FAILED!"); + +printf("\nKASUMI Test Set 4..."); +uint8_t _test_key4[] = {0x3A, 0x3B, 0x39, 0xB5, 0xC3, 0xF2, 0x37, 0x6D, 0x69, 0xF7, 0xD5, 0x46, 0xE5, 0xF8, 0x5D, 0x43}; +uint64_t I4 = 0xCA49C1C75771AB0B, i; +_kasumi_key_expand(_test_key4, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3); + +for (i = 0; i < 50; i++) + I4 = _kasumi(I4, _KLi1, _KLi2, _KOi1, _KOi2, _KOi3, _KIi1, _KIi2, _KIi3); + +if (0x738BAD4C4A690802 == I4) printf(" OK.\n"); else printf("FAILED!"); + + +uint8_t gamma[32]; + +uint8_t _Key1[] = {0x2B, 0xD6, 0x45, 0x9F, 0x82, 0xC5, 0xBC, 0x00, 0x2B, 0xD6, 0x45, 0x9F, 0x82, 0xC5, 0xBC, 0x00}, +_gamma1[] = {0x88, 0x9E, 0xEA, 0xAF, 0x9E, 0xD1, 0xBA, 0x1A, 0xBB, 0xD8, 0x43, 0x62, 0x32, 0xE4, 0x57, 0x28, 0xD0, 0x1A, 0xA8, 0x91, 0x33, 0xDA, 0x73, 0xC1, 0x1E, 0xAB, 0x68, 0xB7, 0xD8, 0x9B, 0xC8, 0x41}; +_kasumi_kgcore(0xF, 0, 0x0024F20F, 0, _Key1, gamma, 228); +printf ("KGCORE Test Set 1: %d\n", _compare_mem(gamma, _gamma1, 32)); + +uint8_t _Key2[] = {0x95, 0x2C, 0x49, 0x10, 0x48, 0x81, 0xFF, 0x48, 0x95, 0x2C, 0x49, 0x10, 0x48, 0x81, 0xFF, 0x48}, +_gamma2[] = {0xFB, 0x4D, 0x5F, 0xBC, 0xEE, 0x13, 0xA3, 0x33, 0x89, 0x28, 0x56, 0x86, 0xE9, 0xA5, 0xC9, 0x42, 0x40, 0xDE, 0x38, 0x15, 0x01, 0x15, 0xF1, 0x5F, 0x8D, 0x9D, 0x98, 0xB9, 0x1A, 0x94, 0xB2, 0x96}; +_kasumi_kgcore(0xF, 0, 0x00061272, 0, _Key2, gamma, 228); +printf ("KGCORE Test Set 2: %d\n", _compare_mem(gamma, _gamma2, 32)); + +uint8_t _Key3[] = {0xEF, 0xA8, 0xB2, 0x22, 0x9E, 0x72, 0x0C, 0x2A, 0xEF, 0xA8, 0xB2, 0x22, 0x9E, 0x72, 0x0C, 0x2A}, +_gamma3[] = {0x0E, 0x40, 0x15, 0x75, 0x5A, 0x33, 0x64, 0x69, 0xC3, 0xDD, 0x86, 0x80, 0xE3, 0x03, 0x5B, 0xC4, 0x19, 0xA7, 0x8A, 0xD3, 0x86, 0x2C, 0x10, 0x90, 0xC6, 0x8A, 0x39, 0x1F, 0xE8, 0xA6, 0xAD, 0xEB}; +_kasumi_kgcore(0xF, 0, 0x0033FD3F, 0, _Key3, gamma, 228); +printf ("KGCORE Test Set 3: %d\n", _compare_mem(gamma, _gamma3, 32)); + +uint8_t _Key4[] = {0x5A, 0xCB, 0x1D, 0x64, 0x4C, 0x0D, 0x51, 0x20, 0x4E, 0xA5, 0x5A, 0xCB, 0x1D, 0x64, 0x4C, 0x0D}, +_gamma4[] = {0xE0, 0x95, 0x30, 0x6A, 0xD5, 0x08, 0x6E, 0x2E, 0xAC, 0x7F, 0x31, 0x07, 0xDE, 0x4F, 0xA2, 0x2D, 0xC1, 0xDF, 0xC9, 0x7D, 0x5B, 0xC5, 0x66, 0x1D, 0xD6, 0x09, 0x6F, 0x47, 0x6A, 0xED, 0xC6, 0x4B}; +_kasumi_kgcore(0xF, 0, 0x00156B26, 0, _Key4, gamma, 228); +printf ("KGCORE Test Set 4: %d\n", _compare_mem(gamma, _gamma4, 32)); + +uint8_t _Key5[] = {0xD3, 0xC5, 0xD5, 0x92, 0x32, 0x7F, 0xB1, 0x1C, 0x40, 0x35, 0xC6, 0x68, 0x0A, 0xF8, 0xC6, 0xD1}, +_gamma5[] = {0xDC, 0xE6, 0x43, 0x62, 0xAB, 0x5F, 0x89, 0xC1, 0x1E, 0xF0, 0xB3, 0x05, 0x16, 0x65, 0x70, 0xF4, 0x88, 0x9D, 0x55, 0x11, 0xE9, 0xE3, 0x57, 0x5D, 0x06, 0x2B, 0x5C, 0xED, 0x60, 0x39, 0x50, 0x6A}; +_kasumi_kgcore(0xF, 0, 0x000A59B4, 0, _Key5, gamma, 228); +printf ("KGCORE Test Set 5: %d\n", _compare_mem(gamma, _gamma5, 32)); + + return 0; +} diff --git a/tests/kasumi/kasumi_test.ok b/tests/kasumi/kasumi_test.ok new file mode 100644 index 0000000..2c2af4c --- /dev/null +++ b/tests/kasumi/kasumi_test.ok @@ -0,0 +1,10 @@ +testing KASUMI key expansion and encryption (ETSI TS 135 203): +KASUMI Test Set 1... OK. OK. +KASUMI Test Set 2... OK. OK. +KASUMI Test Set 3... OK. OK. +KASUMI Test Set 4... OK. +KGCORE Test Set 1: 1 +KGCORE Test Set 2: 1 +KGCORE Test Set 3: 1 +KGCORE Test Set 4: 1 +KGCORE Test Set 5: 1 -- 1.7.10.4 --------------060001040407040305040404 Content-Type: text/x-patch; name="0003-Add-GEA3-and-GEA4-ciphers.patch" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="0003-Add-GEA3-and-GEA4-ciphers.patch" =46rom da6079e295966d9de1bba344f926c8c9eb2af33f Mon Sep 17 00:00:00 2001 From: Max <Max.Suraev at fairwaves.ru> Date: Sun, 7 Apr 2013 14:56:02 +0200 Subject: [PATCH 3/5] Add GEA3 and GEA4 ciphers. --- include/osmocom/crypt/gprs_cipher.h | 1 + include/osmocom/gsm/gea.h | 28 +++++ src/gsm/gea.c | 45 +++++++ src/gsm/gprs_gea.c | 39 ++++++ tests/gea/gea_test | 228 +++++++++++++++++++++++++++++= ++++++ tests/gea/gea_test.c | 54 +++++++++ tests/gea/gea_test.ok | 11 ++ 7 files changed, 406 insertions(+) create mode 100644 include/osmocom/gsm/gea.h create mode 100644 src/gsm/gea.c create mode 100644 src/gsm/gprs_gea.c create mode 100755 tests/gea/gea_test create mode 100644 tests/gea/gea_test.c create mode 100644 tests/gea/gea_test.ok diff --git a/include/osmocom/crypt/gprs_cipher.h b/include/osmocom/crypt/= gprs_cipher.h index 3051071..f6ca01a 100644 --- a/include/osmocom/crypt/gprs_cipher.h +++ b/include/osmocom/crypt/gprs_cipher.h @@ -10,6 +10,7 @@ enum gprs_ciph_algo { GPRS_ALGO_GEA1, GPRS_ALGO_GEA2, GPRS_ALGO_GEA3, + GPRS_ALGO_GEA4, _GPRS_ALGO_NUM }; =20 diff --git a/include/osmocom/gsm/gea.h b/include/osmocom/gsm/gea.h new file mode 100644 index 0000000..9ea7231 --- /dev/null +++ b/include/osmocom/gsm/gea.h @@ -0,0 +1,28 @@ +/* + * GEA3 header + * + * See gea.c for details + */ + +#ifndef __GEA_H__ +#define __GEA_H__ + +#include <stdint.h> + +#include <osmocom/crypt/gprs_cipher.h> + +/* + * Performs the GEA3 algorithm (used in GPRS) + * out : uint8_t [] + * len : uint16_t + * kc : uint64_t + * iv : uint32_t + * direct: 0 or 1 + */ + +int osmo_gea3(uint8_t *out, uint16_t len, uint64_t kc, uint32_t iv, enum= gprs_cipher_direction direct); + +int osmo_gea4(uint8_t *out, uint16_t len, uint8_t * kc, uint32_t iv, enu= m gprs_cipher_direction direct); + +#endif /* __GEA_H__ */ + diff --git a/src/gsm/gea.c b/src/gsm/gea.c new file mode 100644 index 0000000..ac879a8 --- /dev/null +++ b/src/gsm/gea.c @@ -0,0 +1,45 @@ +/* + * gea.c + * + * Full reimplementation of GEA3 + * + * Copyright (C) 2013 Max <Max.Suraev at fairwaves.ru> + * + * All Rights Reserved + * + * 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. + * + * 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. + * + * You should have received a copy of the GNU General Public License alo= ng + * with this program; if not, write to the Free Software Foundation, Inc= =2E, + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#include <stdint.h> + +#include <osmocom/core/bits.h> +#include <osmocom/crypt/gprs_cipher.h> +#include <osmocom/gsm/kasumi.h> + + +int osmo_gea4(uint8_t *out, uint16_t len, uint8_t * kc, uint32_t iv, enu= m gprs_cipher_direction direction) { + _kasumi_kgcore(0xFF, 0, iv, direction, kc, out, len * 8); + + return 0; +} + +int osmo_gea3(uint8_t *out, uint16_t len, uint64_t kc, uint32_t iv, enum= gprs_cipher_direction direction) { + uint8_t ck[16]; + osmo_64pack2pbit(kc, ck); + osmo_64pack2pbit(kc, ck + 8); + +// _kasumi_kgcore(0xFF, 0, iv, direction, ck, out, len * 8); + + return osmo_gea4(out, len, ck, iv, direction); +} diff --git a/src/gsm/gprs_gea.c b/src/gsm/gprs_gea.c new file mode 100644 index 0000000..3e0fddd --- /dev/null +++ b/src/gsm/gprs_gea.c @@ -0,0 +1,39 @@ +/* + * gprs_gea.c + * + * GEA3 plugin + * + * Copyright (C) 2013 Max <Max.Suraev at fairwaves.ru> + * + * All Rights Reserved + * + * 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. + * + * 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. + * + * You should have received a copy of the GNU General Public License alo= ng + * with this program; if not, write to the Free Software Foundation, Inc= =2E, + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#include <stdint.h> + +#include <osmocom/crypt/gprs_cipher.h> +#include <osmocom/gsm/gea.h> + +static struct gprs_cipher_impl gea3_impl =3D { + .algo =3D GPRS_ALGO_GEA3, + .name =3D "GEA3 (libosmogsm built-in)", + .priority =3D 1000, + .run =3D &osmo_gea3, +}; + +static void __attribute__((constructor)) osmo_crypt_a5_init(void) +{ + gprs_cipher_register(&gea3_impl); +} diff --git a/tests/gea/gea_test b/tests/gea/gea_test new file mode 100755 index 0000000..aa1fb66 --- /dev/null +++ b/tests/gea/gea_test @@ -0,0 +1,228 @@ +#! /bin/bash + +# gea/gea_test - temporary wrapper script for .libs/gea_test +# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1ubuntu2 +# +# The gea/gea_test program cannot be directly executed until all the lib= tool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst=3D's/\([`"$\\]\)/\\\1/g' + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=3D: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'=3D'"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=3Dxpg4; export BIN_SH # for Tru64 +DUALCASE=3D1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command=3D"(cd /home/god/source/libosmocore/tests; { test -z \"\$= {LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=3D; export L= IBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_= PATH || { COMPILER_PATH=3D; export COMPILER_PATH; }; }; { test -z \"\${GC= C_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=3D; ex= port GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD= _RUN_PATH || { LD_RUN_PATH=3D; export LD_RUN_PATH; }; }; { test -z \"\${L= D_LIBRARY_PATH+set}\" || unset LD_LIBRARY_PATH || { LD_LIBRARY_PATH=3D; e= xport LD_LIBRARY_PATH; }; }; PATH=3D/home/god/bin:/sbin:/usr/local/sbin:/= usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games; = export PATH; gcc -Wall -I../include -g -O2 -o \$progdir/\$file gea_test.o= ../src/.libs/libosmocore.so ../src/gsm/.libs/libosmogsm.so -Wl,-rpath -= Wl,/home/god/source/libosmocore/src/.libs -Wl,-rpath -Wl,/home/god/source= /libosmocore/src/gsm/.libs)" + +# This environment variable determines our operation mode. +if test "$libtool_install_magic" =3D "%%%MAGIC variable%%%"; then + # install mode needs the following variables: + generated_by_libtool_version=3D'2.4.2' + notinst_deplibs=3D' ../src/libosmocore.la ../src/gsm/libosmogsm.la' +else + # When we are sourced in execute mode, $file and $ECHO are already set= =2E + if test "$libtool_execute_magic" !=3D "%%%MAGIC variable%%%"; then + file=3D"$0" + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + ECHO=3D"printf %s\\n" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string --lt- +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's ../libtool value, followed by no. +lt_option_debug=3D +func_parse_lt_options () +{ + lt_script_arg0=3D$0 + shift + for lt_opt + do + case "$lt_opt" in + --lt-debug) lt_option_debug=3D1 ;; + --lt-dump-script) + lt_dump_D=3D`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e = 's%/[^/]*$%%'` + test "X$lt_dump_D" =3D "X$lt_script_arg0" && lt_dump_D=3D. + lt_dump_F=3D`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e = 's%^.*/%%'` + cat "$lt_dump_D/$lt_dump_F" + exit 0 + ;; + --lt-*) + $ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n "$lt_option_debug"; then + echo "gea_test:gea/gea_test:${LINENO}: libtool wrapper (GNU libtool)= 2.4.2 Debian-2.4.2-1ubuntu2" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=3D1; + for lt_arg + do + $ECHO "gea_test:gea/gea_test:${LINENO}: newargv[$lt_dump_args_N]: $l= t_arg" + lt_dump_args_N=3D`expr $lt_dump_args_N + 1` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ + + if test -n "$lt_option_debug"; then + $ECHO "gea_test:gea/gea_test:${LINENO}: newargv[0]: $progdir/$pr= ogram" 1>&2 + func_lt_dump_args ${1+"$@"} 1>&2 + fi + exec "$progdir/$program" ${1+"$@"} + + $ECHO "$0: cannot exec $program $*" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from $@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + case " $* " in + *\ --lt-*) + for lt_wr_arg + do + case $lt_wr_arg in + --lt-*) ;; + *) set x "$@" "$lt_wr_arg"; shift;; + esac + shift + done ;; + esac + func_exec_program_core ${1+"$@"} +} + + # Parse options + func_parse_lt_options "$0" ${1+"$@"} + + # Find the directory that this script lives in. + thisdir=3D`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + test "x$thisdir" =3D "x$file" && thisdir=3D. + + # Follow symbolic links until we get to the real thisdir. + file=3D`ls -ld "$file" | /bin/sed -n 's/.*-> //p'` + while test -n "$file"; do + destdir=3D`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + + # If there was a directory component, then change thisdir. + if test "x$destdir" !=3D "x$file"; then + case "$destdir" in + [\\/]* | [A-Za-z]:[\\/]*) thisdir=3D"$destdir" ;; + *) thisdir=3D"$thisdir/$destdir" ;; + esac + fi + + file=3D`$ECHO "$file" | /bin/sed 's%^.*/%%'` + file=3D`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=3Dno + if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" =3D "yes"; then + # special case for '.' + if test "$thisdir" =3D "."; then + thisdir=3D`pwd` + fi + # remove .libs from thisdir + case "$thisdir" in + *[\\/].libs ) thisdir=3D`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*= $%%'` ;; + .libs ) thisdir=3D. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=3D`cd "$thisdir" && pwd` + test -n "$absdir" && thisdir=3D"$absdir" + + program=3Dlt-'gea_test' + progdir=3D"$thisdir/.libs" + + if test ! -f "$progdir/$program" || + { file=3D`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev= /null | /bin/sed 1q`; \ + test "X$file" !=3D "X$progdir/$program"; }; then + + file=3D"$$-$program" + + if test ! -d "$progdir"; then + mkdir "$progdir" + else + rm -f "$progdir/$file" + fi + + # relink executable if necessary + if test -n "$relink_command"; then + if relink_command_output=3D`eval $relink_command 2>&1`; then : + else + printf %s\n "$relink_command_output" >&2 + rm -f "$progdir/$file" + exit 1 + fi + fi + + mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null || + { rm -f "$progdir/$program"; + mv -f "$progdir/$file" "$progdir/$program"; } + rm -f "$progdir/$file" + fi + + if test -f "$progdir/$program"; then + if test "$libtool_execute_magic" !=3D "%%%MAGIC variable%%%"; then + # Run the actual program with our arguments. + func_exec_program ${1+"$@"} + fi + else + # The program doesn't exist. + $ECHO "$0: error: \`$progdir/$program' does not exist" 1>&2 + $ECHO "This script is just a wrapper for $program." 1>&2 + $ECHO "See the libtool documentation for more information." 1>&2 + exit 1 + fi +fi diff --git a/tests/gea/gea_test.c b/tests/gea/gea_test.c new file mode 100644 index 0000000..70a4d2a --- /dev/null +++ b/tests/gea/gea_test.c @@ -0,0 +1,54 @@ +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <stdbool.h> + +#include <osmocom/core/bits.h> +#include <osmocom/core/utils.h> +#include <osmocom/crypt/gprs_cipher.h> +#include <osmocom/gsm/gea.h> + +void print_check(char * res, uint8_t * out, uint16_t len) { + uint8_t buf[len]; + osmo_hexparse(res, buf, len); + if (0 !=3D memcmp(buf, out, len)) { + printf("FAIL:\n"); + printf("OUT: %s\n", osmo_hexdump_nospc(out, len)); + printf("EXP: %s\n", osmo_hexdump_nospc(buf, len)); + } + else printf("OK\n"); +} + +void test_gea3(uint64_t kc, uint32_t iv, int dir, uint16_t len, char * r= es) { + printf("%d: %d -> 0x%X ", len, dir, iv); + uint8_t out[len]; + osmo_gea3(out, len, kc, iv, dir); + print_check(res, out, len); +} + +void test_gea4(char * kc, uint32_t iv, int dir, uint16_t len, char * res= ) { + printf("%d: %d -> 0x%X ", len, dir, iv); + uint8_t out[len], ck[256]; + osmo_hexparse(kc, ck, len); + osmo_gea4(out, len, ck, iv, dir); + print_check(res, out, len); +} + +int main(int argc, char **argv) +{ + printf("GEA3 support: %d\n", gprs_cipher_supported(GPRS_ALGO_GEA3));= + printf("GEA4 support: %d\n", gprs_cipher_supported(GPRS_ALGO_GEA4));= +// test vectors according to 3GPP TS 55.217 and TS 55.218 +test_gea3(0x2BD6459F82C5BC00, 0x8E9421A3, 0, 59, "5F359709DE950D0105B17B= 6C90194280F880B48DCCDC2AFEED415DBEF4354EEBB21D073CCBBFB2D706BD7AFFD371FC9= 6E3970D143DCB2624054826"); +test_gea3(0x952C49104881FF48, 0x5064DB71, 0, 59, "FDC03D738C8E14FF0320E5= 9AAF75760799E9DA78DD8F888471C4AEAAC1849633A26CD84F459D265B83D7D9B9A0B1E54= F4D75E331640DF19E0DB0E0"); +test_gea3(0xEFA8B2229E720C2A, 0x4BDBD5E5, 1, 59, "4718A2ADFC90590949DDAD= AB406EC3B925F1AF1214673909DAAB96BB4C18B1374BB1E99445A81CC856E47C6E49E9DBB= 9873D0831B2175CA1E109BA"); +test_gea3(0x3451F23A43BD2C87, 0x893FE14F, 0, 59, "B46B1E284E3F8B63B86D9D= F0915CFCEDDF2F061895BF9F82BF2593AE4847E94A4626C393CF8941CE15EA7812690D841= 5B88C5730FE1F5D410E16A2"); +test_gea3(0xCAA2639BE82435CF, 0x8FE17885, 1, 59, "9FEFAF155A26CF35603E72= 7CDAA87BA067FD84FF98A50B7FF0EC8E95A0FB70E79CB93DEE2B7E9AB59D050E126240157= 1F349C68229DDF0DECC4E85"); +test_gea3(0x1ACA8B448B767B39, 0x4F7BC3B5, 0, 59, "514F6C3A3B5A55CA190092= F7BB6E80EF3EDB738FCDCE2FF90BB387DDE75BBC32A04A67B898A3DFB8198FFFC37D437CF= 69E7F9C13B51A868720E750"); +test_gea4("D3C5D592327FB11C4035C6680AF8C6D1", 0x0A3A59B4, 0, 51, "6E217C= E41EBEFB5EC8094C15974290065E42BABC9AE35654A53085CE68DFA4426A2FF0AD4AF3341= 006A3F84B7613ACB4FBDC34"); +test_gea4("3D43C388C9581E337FF1F97EB5C1F85E", 0x48571AB9, 0, 59, "FC7314= EF00A63ED0116F236C5D25C54EEC56A5B71F9F18B4D7941F84E422ACBDE5EEA9A20467900= 2D14F312F3DEE2A1AC917C3FBDC3696143C0F5D"); +test_gea4("A4496A64DF4F399F3B4506814A3E07A1", 0xEB04ADE2, 1, 59, "2AEB59= 70FB06B718027D048488AAF24FB3B74EA4A6B1242FF85B108FF816A303C72757D9AAD862B= 835D1D287DBC141D0A28D79D87BB137CD1198CD"); + + return 0; +} diff --git a/tests/gea/gea_test.ok b/tests/gea/gea_test.ok new file mode 100644 index 0000000..15abd38 --- /dev/null +++ b/tests/gea/gea_test.ok @@ -0,0 +1,11 @@ +GEA3 support: 0 +GEA4 support: 0 +59: 0 -> 0x8E9421A3 OK +59: 0 -> 0x5064DB71 OK +59: 1 -> 0x4BDBD5E5 OK +59: 0 -> 0x893FE14F OK +59: 1 -> 0x8FE17885 OK +59: 0 -> 0x4F7BC3B5 OK +51: 0 -> 0xA3A59B4 OK +59: 0 -> 0x48571AB9 OK +59: 1 -> 0xEB04ADE2 OK --=20 1.7.10.4 --------------060001040407040305040404 Content-Type: text/x-patch; name="0004-Add-A5-3-and-A5-4-ciphers.patch" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="0004-Add-A5-3-and-A5-4-ciphers.patch"