xref: /freebsd/sys/contrib/libsodium/test/default/sodium_utils.c (revision 3611ec604864a7d4dcc9a3ea898c80eb35eef8a0)
1 #define TEST_NAME "sodium_utils"
2 #include "cmptest.h"
3 
4 int
main(void)5 main(void)
6 {
7     unsigned char  buf_add[1000];
8     unsigned char  buf1[1000];
9     unsigned char  buf2[1000];
10     unsigned char  buf1_rev[1000];
11     unsigned char  buf2_rev[1000];
12     unsigned char  nonce[24];
13     char           nonce_hex[49];
14     unsigned char *bin_padded;
15     size_t         bin_len, bin_len2;
16     size_t         bin_padded_len;
17     size_t         bin_padded_maxlen;
18     size_t         blocksize;
19     unsigned int   i;
20     unsigned int   j;
21 
22     randombytes_buf(buf1, sizeof buf1);
23     memcpy(buf2, buf1, sizeof buf2);
24     printf("%d\n", sodium_memcmp(buf1, buf2, sizeof buf1));
25     sodium_memzero(buf1, 0U);
26     printf("%d\n", sodium_memcmp(buf1, buf2, sizeof buf1));
27     sodium_memzero(buf1, sizeof buf1 / 2);
28     printf("%d\n", sodium_memcmp(buf1, buf2, sizeof buf1));
29     printf("%d\n", sodium_memcmp(buf1, buf2, 0U));
30     sodium_memzero(buf2, sizeof buf2 / 2);
31     printf("%d\n", sodium_memcmp(buf1, buf2, sizeof buf1));
32 
33     memset(nonce, 0, sizeof nonce);
34     sodium_increment(nonce, sizeof nonce);
35     printf("%s\n",
36            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
37     memset(nonce, 255, sizeof nonce);
38     sodium_increment(nonce, sizeof nonce);
39     printf("%s\n",
40            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
41     nonce[1] = 1U;
42     sodium_increment(nonce, sizeof nonce);
43     printf("%s\n",
44            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
45     nonce[1] = 0U;
46     sodium_increment(nonce, sizeof nonce);
47     printf("%s\n",
48            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
49     nonce[0] = 255U;
50     nonce[2] = 255U;
51     sodium_increment(nonce, sizeof nonce);
52     printf("%s\n",
53            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
54     for (i = 0U; i < 1000U; i++) {
55         bin_len = (size_t) randombytes_uniform(sizeof buf1);
56         randombytes_buf(buf1, bin_len);
57         randombytes_buf(buf2, bin_len);
58         for (j = 0U; j < bin_len; j++) {
59             buf1_rev[bin_len - 1 - j] = buf1[j];
60             buf2_rev[bin_len - 1 - j] = buf2[j];
61         }
62         if (memcmp(buf1_rev, buf2_rev, bin_len) *
63                 sodium_compare(buf1, buf2, bin_len) <
64             0) {
65             printf("sodium_compare() failure with length=%u\n",
66                    (unsigned int) bin_len);
67         }
68         memcpy(buf1, buf2, bin_len);
69         if (sodium_compare(buf1, buf2, bin_len)) {
70             printf("sodium_compare() equality failure with length=%u\n",
71                    (unsigned int) bin_len);
72         }
73     }
74     memset(buf1, 0, sizeof buf1);
75     if (sodium_is_zero(buf1, sizeof buf1) != 1) {
76         printf("sodium_is_zero() failed\n");
77     }
78     for (i = 0U; i < sizeof buf1; i++) {
79         buf1[i]++;
80         if (sodium_is_zero(buf1, sizeof buf1) != 0) {
81             printf("sodium_is_zero() failed\n");
82         }
83         buf1[i]--;
84     }
85     bin_len = randombytes_uniform(sizeof buf1);
86     randombytes_buf(buf1, bin_len);
87     memcpy(buf2, buf1, bin_len);
88     memset(buf_add, 0, bin_len);
89     j = randombytes_uniform(10000);
90     for (i = 0U; i < j; i++) {
91         sodium_increment(buf1, bin_len);
92         sodium_increment(buf_add, bin_len);
93     }
94     sodium_add(buf2, buf_add, bin_len);
95     if (sodium_compare(buf1, buf2, bin_len) != 0) {
96         printf("sodium_add() failed\n");
97     }
98     bin_len = randombytes_uniform(sizeof buf1);
99     randombytes_buf(buf1, bin_len);
100     memcpy(buf2, buf1, bin_len);
101     memset(buf_add, 0xff, bin_len);
102     sodium_increment(buf2, bin_len);
103     sodium_increment(buf2, 0U);
104     sodium_add(buf2, buf_add, bin_len);
105     sodium_add(buf2, buf_add, 0U);
106     if (sodium_compare(buf1, buf2, bin_len) != 0) {
107         printf("sodium_add() failed\n");
108     }
109 
110     assert(sizeof nonce >= 24U);
111     memset(nonce, 0xfe, 24U);
112     memset(nonce, 0xff, 6U);
113     sodium_increment(nonce, 8U);
114     printf("%s\n",
115            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
116     memset(nonce, 0xfe, 24U);
117     memset(nonce, 0xff, 10U);
118     sodium_increment(nonce, 12U);
119     printf("%s\n",
120            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
121     memset(nonce, 0xff, 22U);
122     sodium_increment(nonce, 24U);
123     printf("%s\n",
124            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
125 
126     assert(sizeof nonce >= 24U);
127     memset(nonce, 0xfe, 24U);
128     memset(nonce, 0xff, 6U);
129     sodium_add(nonce, nonce, 7U);
130     sodium_add(nonce, nonce, 8U);
131     printf("%s\n",
132            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
133     memset(nonce, 0xfe, 24U);
134     memset(nonce, 0xff, 10U);
135     sodium_add(nonce, nonce, 11U);
136     sodium_add(nonce, nonce, 12U);
137     printf("%s\n",
138            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
139     memset(nonce, 0xff, 22U);
140     sodium_add(nonce, nonce, 23U);
141     sodium_add(nonce, nonce, 24U);
142     printf("%s\n",
143            sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
144 
145     for (i = 0; i < 2000U; i++) {
146         bin_len = randombytes_uniform(200U);
147         blocksize = 1U + randombytes_uniform(100U);
148         bin_padded_maxlen = bin_len + (blocksize - bin_len % blocksize);
149         bin_padded = (unsigned char *) sodium_malloc(bin_padded_maxlen);
150         randombytes_buf(bin_padded, bin_padded_maxlen);
151 
152         assert(sodium_pad(&bin_padded_len, bin_padded, bin_len,
153                           blocksize, bin_padded_maxlen - 1U) == -1);
154         assert(sodium_pad(NULL, bin_padded, bin_len,
155                           blocksize, bin_padded_maxlen + 1U) == 0);
156         assert(sodium_pad(&bin_padded_len, bin_padded, bin_len,
157                           blocksize, bin_padded_maxlen + 1U) == 0);
158         assert(sodium_pad(&bin_padded_len, bin_padded, bin_len,
159                           0U, bin_padded_maxlen) == -1);
160         assert(sodium_pad(&bin_padded_len, bin_padded, bin_len,
161                           blocksize, bin_padded_maxlen) == 0);
162         assert(bin_padded_len == bin_padded_maxlen);
163 
164         assert(sodium_unpad(&bin_len2, bin_padded, bin_padded_len,
165                             bin_padded_len + 1U) == -1);
166         assert(sodium_unpad(&bin_len2, bin_padded, bin_padded_len,
167                             0U) == -1);
168         assert(sodium_unpad(&bin_len2, bin_padded, bin_padded_len,
169                             blocksize) == 0);
170         assert(bin_len2 == bin_len);
171 
172         sodium_free(bin_padded);
173     }
174 
175     sodium_stackzero(512);
176 
177     return 0;
178 }
179