Line data Source code
1 : /* Copyright (c) 2001-2004, Roger Dingledine.
2 : * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
3 : * Copyright (c) 2007-2021, The Tor Project, Inc. */
4 : /* See LICENSE for licensing information */
5 :
6 : #include "orconfig.h"
7 :
8 : #define CRYPTO_OPE_PRIVATE
9 :
10 : #include "lib/cc/compat_compiler.h"
11 : #include "lib/crypt_ops/crypto_ope.h"
12 : #include "lib/crypt_ops/crypto_cipher.h"
13 : #include "lib/encoding/binascii.h"
14 : #include "lib/malloc/malloc.h"
15 : #include "test/test.h"
16 : #include "tinytest.h"
17 :
18 : #include <stddef.h>
19 : #include <string.h>
20 :
21 : static void
22 1 : test_crypto_ope_consistency(void *arg)
23 : {
24 1 : (void)arg;
25 :
26 1 : crypto_ope_t *ope = NULL;
27 1 : crypto_cipher_t *aes = NULL;
28 1 : const int TEST_VALS[] = { 5, 500, 1023, 1024, 1025, 2046, 2047, 2048, 2049,
29 : 10000, OPE_INPUT_MAX };
30 1 : unsigned i;
31 1 : const uint8_t key[32] = "A fixed key, chosen arbitrarily.";
32 :
33 1 : ope = crypto_ope_new(key);
34 1 : tt_assert(ope);
35 :
36 : uint64_t last_val = 0;
37 12 : for (i = 0; i < ARRAY_LENGTH(TEST_VALS); ++i) {
38 11 : aes = ope_get_cipher(ope, 0);
39 11 : int val = TEST_VALS[i];
40 11 : uint64_t v1 = crypto_ope_encrypt(ope, val);
41 11 : uint64_t v2 = sum_values_from_cipher(aes, val);
42 11 : tt_u64_op(v1, OP_EQ, v2);
43 11 : tt_u64_op(v2, OP_GT, last_val);
44 11 : last_val = v2;
45 11 : crypto_cipher_free(aes);
46 : }
47 :
48 1 : done:
49 1 : crypto_cipher_free(aes);
50 1 : crypto_ope_free(ope);
51 1 : }
52 :
53 : static void
54 1 : test_crypto_ope_oob(void *arg)
55 : {
56 1 : (void)arg;
57 :
58 1 : crypto_ope_t *ope = NULL;
59 1 : const uint8_t key[32] = "A fixed key, chosen arbitrarily.";
60 1 : ope = crypto_ope_new(key);
61 :
62 1 : tt_u64_op(UINT64_MAX, OP_EQ, crypto_ope_encrypt(ope,INT_MIN));
63 1 : tt_u64_op(UINT64_MAX, OP_EQ, crypto_ope_encrypt(ope,-100));
64 1 : tt_u64_op(UINT64_MAX, OP_EQ, crypto_ope_encrypt(ope,0));
65 1 : tt_u64_op(UINT64_MAX, OP_NE, crypto_ope_encrypt(ope,1));
66 1 : tt_u64_op(UINT64_MAX, OP_NE, crypto_ope_encrypt(ope,7000));
67 1 : tt_u64_op(UINT64_MAX, OP_NE, crypto_ope_encrypt(ope,OPE_INPUT_MAX));
68 1 : tt_u64_op(UINT64_MAX, OP_EQ, crypto_ope_encrypt(ope,OPE_INPUT_MAX+1));
69 1 : tt_u64_op(UINT64_MAX, OP_EQ, crypto_ope_encrypt(ope,INT_MAX));
70 1 : done:
71 1 : crypto_ope_free(ope);
72 1 : }
73 :
74 : static const char OPE_TEST_KEY[] =
75 : "19e05891d55232c08c2cad91d612fdb9cbd6691949a0742434a76c80bc6992fe";
76 :
77 : /* generated by a separate python implementation. */
78 : static const struct {
79 : int v;
80 : uint64_t r;
81 : } OPE_TEST_VECTORS[] = {
82 : { 121132, UINT64_C(3971694514) },
83 : { 82283, UINT64_C(2695743564) },
84 : { 72661, UINT64_C(2381548866) },
85 : { 72941, UINT64_C(2390408421) },
86 : { 123122, UINT64_C(4036781069) },
87 : { 12154, UINT64_C(402067100) },
88 : { 121574, UINT64_C(3986197593) },
89 : { 11391, UINT64_C(376696838) },
90 : { 65845, UINT64_C(2161801517) },
91 : { 86301, UINT64_C(2828270975) },
92 : { 61284, UINT64_C(2013616892) },
93 : { 70505, UINT64_C(2313368870) },
94 : { 30438, UINT64_C(1001394664) },
95 : { 60150, UINT64_C(1977329668) },
96 : { 114800, UINT64_C(3764946628) },
97 : { 109403, UINT64_C(3585352477) },
98 : { 21893, UINT64_C(721388468) },
99 : { 123569, UINT64_C(4051780471) },
100 : { 95617, UINT64_C(3134921876) },
101 : { 48561, UINT64_C(1597596985) },
102 : { 53334, UINT64_C(1753691710) },
103 : { 92746, UINT64_C(3040874493) },
104 : { 7110, UINT64_C(234966492) },
105 : { 9612, UINT64_C(318326551) },
106 : { 106958, UINT64_C(3506124249) },
107 : { 46889, UINT64_C(1542219146) },
108 : { 87790, UINT64_C(2877361609) },
109 : { 68878, UINT64_C(2260369112) },
110 : { 47917, UINT64_C(1576681737) },
111 : { 121128, UINT64_C(3971553290) },
112 : { 108602, UINT64_C(3559176081) },
113 : { 28217, UINT64_C(929692460) },
114 : { 69498, UINT64_C(2280554161) },
115 : { 63870, UINT64_C(2098322675) },
116 : { 57542, UINT64_C(1891698992) },
117 : { 122148, UINT64_C(4004515805) },
118 : { 46254, UINT64_C(1521227949) },
119 : { 42850, UINT64_C(1408996941) },
120 : { 92661, UINT64_C(3037901517) },
121 : { 57720, UINT64_C(1897369989) },
122 : };
123 :
124 : static void
125 1 : test_crypto_ope_vectors(void *arg)
126 : {
127 1 : (void)arg;
128 1 : uint8_t key[32];
129 1 : crypto_ope_t *ope = NULL, *ope2 = NULL;
130 :
131 1 : base16_decode((char*)key, 32, OPE_TEST_KEY, strlen(OPE_TEST_KEY));
132 :
133 1 : ope = crypto_ope_new(key);
134 1 : key[8] += 1;
135 1 : ope2 = crypto_ope_new(key);
136 1 : unsigned i;
137 42 : for (i = 0; i < ARRAY_LENGTH(OPE_TEST_VECTORS); ++i) {
138 40 : int val = OPE_TEST_VECTORS[i].v;
139 40 : uint64_t res = OPE_TEST_VECTORS[i].r;
140 :
141 40 : tt_u64_op(crypto_ope_encrypt(ope, val), OP_EQ, res);
142 40 : tt_u64_op(crypto_ope_encrypt(ope2, val), OP_NE, res);
143 : }
144 1 : done:
145 1 : crypto_ope_free(ope);
146 1 : crypto_ope_free(ope2);
147 1 : }
148 :
149 : struct testcase_t crypto_ope_tests[] = {
150 : { "consistency", test_crypto_ope_consistency, 0, NULL, NULL },
151 : { "oob", test_crypto_ope_oob, 0, NULL, NULL },
152 : { "vectors", test_crypto_ope_vectors, 0, NULL, NULL },
153 : END_OF_TESTCASES
154 : };
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