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1.1 misho 1: /*
2: * Copyright (C) 2014 Andreas Steffen
3: * HSR Hochschule fuer Technik Rapperswil
4: *
5: * This program is free software; you can redistribute it and/or modify it
6: * under the terms of the GNU General Public License as published by the
7: * Free Software Foundation; either version 2 of the License, or (at your
8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13: * for more details.
14: */
15:
16: #include "test_suite.h"
17:
18: #include <utils/test.h>
19: #include <crypto/xofs/xof.h>
20: #include <crypto/xofs/xof_bitspender.h>
21: #include <crypto/xofs/mgf1.h>
22:
23: typedef struct {
24: ext_out_function_t alg;
25: size_t hash_size;
26: size_t ml1, ml2, ml3, seed_len;
27: chunk_t seed;
28: chunk_t hashed_seed;
29: chunk_t mask;
30: uint32_t bits[22];
31: } mgf1_test_t;
32:
33: /**
34: * MGF1 Mask Generation Function Test Vectors
35: */
36: mgf1_test_t mgf1_tests[] = {
37: { XOF_MGF1_SHA1, 20, 60, 20, 15, 24,
38: chunk_from_chars(
39: 0xED, 0xA5, 0xC3, 0xBC, 0xAF, 0xB3, 0x20, 0x7D,
40: 0x14, 0xA1, 0x54, 0xF7, 0x8B, 0x37, 0xF2, 0x8D,
41: 0x8C, 0x9B, 0xD5, 0x63, 0x57, 0x38, 0x11, 0xC2,
42: 0xB5, 0xCA, 0xBF, 0x06, 0x43, 0x45, 0x19, 0xD5,
43: 0xE7, 0x36, 0xD0, 0x29, 0x21, 0xDA, 0x02, 0x20,
44: 0x45, 0xF6, 0x5F, 0x0F, 0x10, 0x04, 0x2A, 0xE3,
45: 0x6A, 0x1D, 0xD5, 0x9F, 0x1D, 0x66, 0x44, 0x8F,
46: 0xFA, 0xC6, 0xCA, 0xA4, 0x6E, 0x3B, 0x00, 0x66,
47: 0xA6, 0xC9, 0x80, 0x5C, 0xF5, 0x2D, 0xD7, 0x72,
48: 0xC6, 0xD4, 0x4F, 0x30, 0x72, 0xA2, 0xAD, 0xE0,
49: 0x33, 0xE8, 0x55, 0xD5, 0xE6, 0xD6, 0x00, 0x1D,
50: 0xA8, 0x68, 0xFF, 0x97, 0x36, 0x8A, 0xF4, 0xD6,
51: 0xF1, 0xB6, 0x7E, 0x1F, 0x06, 0xCB, 0x57, 0xCB,
52: 0x35, 0x38, 0xF2, 0x2D, 0xF6, 0x20),
53: chunk_from_chars(
54: 0xF3, 0x9B, 0x0B, 0xB4, 0x97, 0x50, 0xB5, 0xA7,
55: 0xE6, 0xBD, 0xDA, 0xD0, 0x9A, 0x52, 0xBE, 0xA0,
56: 0x21, 0xC4, 0x90, 0xB6),
57: chunk_from_chars(
58: 0x10, 0x43, 0x76, 0x72, 0x6C, 0xDE, 0xA0, 0x0E,
59: 0x77, 0x51, 0xFB, 0x58, 0x39, 0x8A, 0x36, 0xE1,
60: 0x63, 0x2B, 0xC9, 0x17, 0x56, 0x0C, 0x4B, 0x46,
61: 0xA4, 0x07, 0xA4, 0x3B, 0x8E, 0x33, 0x4D, 0xD1,
62: 0x65, 0xF1, 0xAC, 0xC8, 0x59, 0x21, 0x32, 0x16,
63: 0x44, 0x2B, 0x7F, 0xB2, 0xA8, 0xA7, 0x26, 0x5D,
64: 0xE8, 0x02, 0xBE, 0x8E, 0xDC, 0x34, 0xEB, 0x10,
65: 0x76, 0x16, 0x8C, 0xDD, 0x90, 0x92, 0x3D, 0x29,
66: 0x90, 0x98, 0x46, 0x11, 0x73, 0x53, 0x47, 0xB1,
67: 0x2C, 0xD4, 0x83, 0x78, 0x9B, 0x93, 0x2F, 0x5B,
68: 0xFC, 0x26, 0xFF, 0x42, 0x08, 0x1F, 0x70, 0x66,
69: 0x40, 0x4B, 0xE7, 0x22, 0x3A, 0x56, 0x10, 0x6D,
70: 0x4D, 0x29, 0x0B, 0xCE, 0xA6, 0x21, 0xB5, 0x5C,
71: 0x71, 0x66, 0x2F, 0x70, 0x35, 0xD8, 0x8A, 0x92,
72: 0x33, 0xF0, 0x16, 0xD4, 0x0E, 0x43, 0x8A, 0x14),
73: { 0, 0, 0, 4, 1, 1, 46, 103, 38, 411, 848, 57, 3540, 4058, 12403,
74: 0x63, 0x2B, 0xC9, 0x17, 0x56, 669409, 0xA407A43B },
75: },
76: { XOF_MGF1_SHA256, 32, 64, 32, 33, 40,
77: chunk_from_chars(
78: 0x52, 0xC5, 0xDD, 0x1E, 0xEF, 0x76, 0x1B, 0x53,
79: 0x08, 0xE4, 0x86, 0x3F, 0x91, 0x12, 0x98, 0x69,
80: 0xC5, 0x9D, 0xDE, 0xF6, 0xFC, 0xFA, 0x93, 0xCE,
81: 0x32, 0x52, 0x66, 0xF9, 0xC9, 0x97, 0xF6, 0x42,
82: 0x00, 0x2C, 0x64, 0xED, 0x1A, 0x6B, 0x14, 0x0A,
83: 0x4B, 0x04, 0xCF, 0x6D, 0x2D, 0x82, 0x0A, 0x07,
84: 0xA2, 0x3B, 0xDE, 0xCE, 0x19, 0x8A, 0x39, 0x43,
85: 0x16, 0x61, 0x29, 0x98, 0x68, 0xEA, 0xE5, 0xCC,
86: 0x0A, 0xF8, 0xE9, 0x71, 0x26, 0xF1, 0x07, 0x36,
87: 0x2C, 0x07, 0x1E, 0xEB, 0xE4, 0x28, 0xA2, 0xF4,
88: 0xA8, 0x12, 0xC0, 0xC8, 0x20, 0x37, 0xF8, 0xF2,
89: 0x6C, 0xAF, 0xDC, 0x6F, 0x2E, 0xD0, 0x62, 0x58,
90: 0xD2, 0x37, 0x03, 0x6D, 0xFA, 0x6E, 0x1A, 0xAC,
91: 0x9F, 0xCA, 0x56, 0xC6, 0xA4, 0x52, 0x41, 0xE8,
92: 0x0F, 0x1B, 0x0C, 0xB9, 0xE6, 0xBA, 0xDE, 0xE1,
93: 0x03, 0x5E, 0xC2, 0xE5, 0xF8, 0xF4, 0xF3, 0x46,
94: 0x3A, 0x12, 0xC0, 0x1F, 0x3A, 0x00, 0xD0, 0x91,
95: 0x18, 0xDD, 0x53, 0xE4, 0x22, 0xF5, 0x26, 0xA4,
96: 0x54, 0xEE, 0x20, 0xF0, 0x80),
97: chunk_from_chars(
98: 0x76, 0x89, 0x8B, 0x1B, 0x60, 0xEC, 0x10, 0x9D,
99: 0x8F, 0x13, 0xF2, 0xFE, 0xD9, 0x85, 0xC1, 0xAB,
100: 0x7E, 0xEE, 0xB1, 0x31, 0xDD, 0xF7, 0x7F, 0x0C,
101: 0x7D, 0xF9, 0x6B, 0x7B, 0x19, 0x80, 0xBD, 0x28),
102: chunk_from_chars(
103: 0xF1, 0x19, 0x02, 0x4F, 0xDA, 0x58, 0x05, 0x9A,
104: 0x07, 0xDF, 0x61, 0x81, 0x22, 0x0E, 0x15, 0x46,
105: 0xCB, 0x35, 0x3C, 0xDC, 0xAD, 0x20, 0xD9, 0x3F,
106: 0x0D, 0xD1, 0xAA, 0x64, 0x66, 0x5C, 0xFA, 0x4A,
107: 0xFE, 0xD6, 0x8F, 0x55, 0x57, 0x15, 0xB2, 0xA6,
108: 0xA0, 0xE6, 0xA8, 0xC6, 0xBD, 0x28, 0xB4, 0xD5,
109: 0x6E, 0x5B, 0x4B, 0xB0, 0x97, 0x09, 0xF5, 0xAC,
110: 0x57, 0x65, 0x13, 0x97, 0x71, 0x2C, 0x45, 0x13,
111: 0x3D, 0xEE, 0xFB, 0xBF, 0xFE, 0xAF, 0xBB, 0x4B,
112: 0x0D, 0x5C, 0x45, 0xD4, 0x2F, 0x17, 0x92, 0x07,
113: 0x66, 0x11, 0xF5, 0x46, 0xF8, 0x0C, 0x03, 0x92,
114: 0xF5, 0xF5, 0xFF, 0xA4, 0xF3, 0x52, 0xF4, 0x08,
115: 0x2C, 0x49, 0x32, 0x1A, 0x93, 0x51, 0x98, 0xB6,
116: 0x94, 0x83, 0x39, 0xCF, 0x6B, 0x1F, 0x2F, 0xFC,
117: 0x2B, 0xFF, 0x10, 0x71, 0x7D, 0x35, 0x6C, 0xEA,
118: 0xC5, 0x66, 0xC7, 0x26, 0x7D, 0x9E, 0xAC, 0xDD,
119: 0x35, 0xD7, 0x06, 0x3F, 0x40, 0x82, 0xDA, 0xC3,
120: 0x2B, 0x3C, 0x91, 0x3A, 0x32, 0xF8, 0xB2, 0xC6,
121: 0x44, 0x4D, 0xCD, 0xB6, 0x54, 0x5F, 0x81, 0x95,
122: 0x59, 0xA1, 0xE5, 0x4E, 0xA5, 0x0A, 0x4A, 0x42),
123: { 0, 1, 3, 4, 4, 12, 32, 36, 253, 331, 2, 1640, 503, 6924, 580,
124: 0xCB, 0x35, 0x3C, 0xDC, 0xAD, 922950, 0x0DD1AA64 }
125: }
126: };
127:
128: START_TEST(mgf1_test_mgf1)
129: {
130: xof_t *xof;
131: mgf1_t *mgf1;
132: chunk_t mask, mask1, mask2, mask3;
133:
134: mask1 = mgf1_tests[_i].mask;
135: mask2 = chunk_skip(mask1, mgf1_tests[_i].ml1);
136: mask3 = chunk_skip(mask2, mgf1_tests[_i].ml2);
137: mask1.len = mgf1_tests[_i].ml1;
138: mask2.len = mgf1_tests[_i].ml2;
139: mask3.len = mgf1_tests[_i].ml3;
140:
141: /* unknown XOF */
142: xof = lib->crypto->create_xof(lib->crypto, XOF_UNDEFINED);
143: ck_assert(xof == NULL);
144:
145: /* create MGF1 XOF */
146: xof = lib->crypto->create_xof(lib->crypto, mgf1_tests[_i].alg);
147: ck_assert(xof);
148:
149: /* hash the seed */
150: mgf1 = (mgf1_t*)xof;
151: mgf1->set_hash_seed(mgf1, TRUE);
152:
153: /* check MGF1 type */
154: ck_assert(xof->get_type(xof) == mgf1_tests[_i].alg);
155:
156: /* check seed size */
157: ck_assert(xof->get_seed_size(xof) == mgf1_tests[_i].hash_size);
158:
159: /* check block size */
160: ck_assert(xof->get_block_size(xof) == mgf1_tests[_i].hash_size);
161:
162: /* empty seed */
163: ck_assert(!xof->set_seed(xof, chunk_empty));
164:
165: /* initialize MGF1 with non-empty seed */
166: ck_assert(xof->set_seed(xof, mgf1_tests[_i].seed));
167:
168: /* allocate zero number of octets */
169: ck_assert(xof->allocate_bytes(xof, 0, &mask));
170: ck_assert(mask.len == 0 && mask.ptr == NULL);
171:
172: /* allocate non-zero number of octets */
173: ck_assert(xof->allocate_bytes(xof, mgf1_tests[_i].mask.len, &mask));
174: ck_assert(chunk_equals(mask, mgf1_tests[_i].mask));
175:
176: /* re-initialize MGF1 with non-empty seed */
177: ck_assert(xof->set_seed(xof, mgf1_tests[_i].seed));
178:
179: /* copy mask to pre-allocated buffer */
180: ck_assert(xof->get_bytes(xof, mgf1_tests[_i].mask.len, mask.ptr));
181: ck_assert(chunk_equals(mask, mgf1_tests[_i].mask));
182:
183: /* do not hash the seed */
184: mgf1->set_hash_seed(mgf1, FALSE);
185:
186: /* re-initialize MGF1 with non-empty seed */
187: ck_assert(xof->set_seed(xof, mgf1_tests[_i].hashed_seed));
188:
189: /* first batch */
190: ck_assert(xof->get_bytes(xof, mask1.len, mask.ptr));
191: mask.len = mask1.len;
192: ck_assert(chunk_equals(mask, mask1));
193:
194: /* second batch */
195: ck_assert(xof->get_bytes(xof, mask2.len, mask.ptr));
196: mask.len = mask2.len;
197: ck_assert(chunk_equals(mask, mask2));
198:
199: /* third batch */
200: ck_assert(xof->get_bytes(xof, mask3.len, mask.ptr));
201: mask.len = mask3.len;
202: ck_assert(chunk_equals(mask, mask3));
203:
204: /* clean up */
205: xof->destroy(xof);
206: chunk_free(&mask);
207: }
208: END_TEST
209:
210: START_TEST(mgf1_test_bitspender)
211: {
212: xof_bitspender_t *bitspender;
213: uint32_t bits;
214: uint8_t byte;
215: int j;
216:
217: bitspender = xof_bitspender_create(XOF_UNDEFINED,
218: mgf1_tests[_i].hashed_seed, FALSE);
219: ck_assert(bitspender == NULL);
220:
221: bitspender = xof_bitspender_create(mgf1_tests[_i].alg,
222: mgf1_tests[_i].hashed_seed, FALSE);
223: ck_assert(bitspender);
224:
225: for (j = 0; j < 15; j++)
226: {
227: ck_assert(bitspender->get_bits(bitspender, j, &bits));
228: DBG1(DBG_LIB, "bits[%d] = %u, bits = %u", j, mgf1_tests[_i].bits[j],
229: bits);
230: ck_assert(bits == mgf1_tests[_i].bits[j]);
231: }
232: ck_assert(!bitspender->get_bits(bitspender, 33, &bits));
233:
234: for (j = 15; j < 20; j++)
235: {
236: ck_assert(bitspender->get_byte(bitspender, &byte));
237: DBG1(DBG_LIB, "bits[%d] = 0x%02x, byte = 0x%02x", j,
238: mgf1_tests[_i].bits[j], byte);
239: ck_assert(byte == mgf1_tests[_i].bits[j]);
240: }
241:
242: j = 20; /* 23 remaining bits */
243: ck_assert(bitspender->get_bits(bitspender, 23, &bits));
244: DBG1(DBG_LIB, "bits[%d] = %u, bits = %u", j,
245: mgf1_tests[_i].bits[j], bits);
246: ck_assert(bits == mgf1_tests[_i].bits[j]);
247:
248: j = 21; /* 32 aligned bits */
249: ck_assert(bitspender->get_bits(bitspender, 32, &bits));
250: DBG1(DBG_LIB, "bits[%d] = 0x%08x, bits = 0x%08x", j,
251: mgf1_tests[_i].bits[j], bits);
252: ck_assert(bits == mgf1_tests[_i].bits[j]);
253:
254: bitspender->destroy(bitspender);
255: }
256: END_TEST
257:
258:
259: Suite *mgf1_suite_create(char *name, int n)
260: {
261: Suite *s;
262: TCase *tc;
263:
264: s = suite_create(name);
265:
266: tc = tcase_create("mgf1");
267: tcase_add_loop_test(tc, mgf1_test_mgf1, n, n + 1);
268: suite_add_tcase(s, tc);
269:
270: tc = tcase_create("bitspender");
271: tcase_add_loop_test(tc, mgf1_test_bitspender, n, n + 1);
272: suite_add_tcase(s, tc);
273:
274: return s;
275: }
276:
277: Suite *mgf1_sha1_suite_create()
278: {
279: return mgf1_suite_create("mgf1-sha1", 0);
280: }
281:
282: Suite *mgf1_sha256_suite_create()
283: {
284: return mgf1_suite_create("mgf1-sha256", 1);
285: }