1 #include <string.h>
2 #include "sha256.h"
3
4 static const struct
5 {
6 const char *input;
7 const char result[32];
8 } tests[] =
9 {
10 /* Test vectors from FIPS 180-2: appendix B.1. */
11 { "abc",
12 "\xba\x78\x16\xbf\x8f\x01\xcf\xea\x41\x41\x40\xde\x5d\xae\x22\x23"
13 "\xb0\x03\x61\xa3\x96\x17\x7a\x9c\xb4\x10\xff\x61\xf2\x00\x15\xad" },
14 /* Test vectors from FIPS 180-2: appendix B.2. */
15 { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
16 "\x24\x8d\x6a\x61\xd2\x06\x38\xb8\xe5\xc0\x26\x93\x0c\x3e\x60\x39"
17 "\xa3\x3c\xe4\x59\x64\xff\x21\x67\xf6\xec\xed\xd4\x19\xdb\x06\xc1" },
18 /* Test vectors from the NESSIE project. */
19 { "",
20 "\xe3\xb0\xc4\x42\x98\xfc\x1c\x14\x9a\xfb\xf4\xc8\x99\x6f\xb9\x24"
21 "\x27\xae\x41\xe4\x64\x9b\x93\x4c\xa4\x95\x99\x1b\x78\x52\xb8\x55" },
22 { "a",
23 "\xca\x97\x81\x12\xca\x1b\xbd\xca\xfa\xc2\x31\xb3\x9a\x23\xdc\x4d"
24 "\xa7\x86\xef\xf8\x14\x7c\x4e\x72\xb9\x80\x77\x85\xaf\xee\x48\xbb" },
25 { "message digest",
26 "\xf7\x84\x6f\x55\xcf\x23\xe1\x4e\xeb\xea\xb5\xb4\xe1\x55\x0c\xad"
27 "\x5b\x50\x9e\x33\x48\xfb\xc4\xef\xa3\xa1\x41\x3d\x39\x3c\xb6\x50" },
28 { "abcdefghijklmnopqrstuvwxyz",
29 "\x71\xc4\x80\xdf\x93\xd6\xae\x2f\x1e\xfa\xd1\x44\x7c\x66\xc9\x52"
30 "\x5e\x31\x62\x18\xcf\x51\xfc\x8d\x9e\xd8\x32\xf2\xda\xf1\x8b\x73" },
31 { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
32 "\x24\x8d\x6a\x61\xd2\x06\x38\xb8\xe5\xc0\x26\x93\x0c\x3e\x60\x39"
33 "\xa3\x3c\xe4\x59\x64\xff\x21\x67\xf6\xec\xed\xd4\x19\xdb\x06\xc1" },
34 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
35 "\xdb\x4b\xfc\xbd\x4d\xa0\xcd\x85\xa6\x0c\x3c\x37\xd3\xfb\xd8\x80"
36 "\x5c\x77\xf1\x5f\xc6\xb1\xfd\xfe\x61\x4e\xe0\xa7\xc8\xfd\xb4\xc0" },
37 { "123456789012345678901234567890123456789012345678901234567890"
38 "12345678901234567890",
39 "\xf3\x71\xbc\x4a\x31\x1f\x2b\x00\x9e\xef\x95\x2d\xd8\x3c\xa8\x0e"
40 "\x2b\x60\x02\x6c\x8e\x93\x55\x92\xd0\xf9\xc3\x08\x45\x3c\x81\x3e" }
41 };
42
43
44 int
main(void)45 main (void)
46 {
47 struct sha256_ctx ctx;
48 char sum[32];
49 int result = 0;
50 int cnt;
51
52 for (cnt = 0; cnt < (int) (sizeof (tests) / sizeof (tests[0])); ++cnt)
53 {
54 __sha256_init_ctx (&ctx);
55 __sha256_process_bytes (tests[cnt].input, strlen (tests[cnt].input),
56 &ctx);
57 __sha256_finish_ctx (&ctx, sum);
58 if (memcmp (tests[cnt].result, sum, 32) != 0)
59 {
60 printf ("test %d run %d failed\n", cnt, 1);
61 result = 1;
62 }
63
64 __sha256_init_ctx (&ctx);
65 for (int i = 0; tests[cnt].input[i] != '\0'; ++i)
66 __sha256_process_bytes (&tests[cnt].input[i], 1, &ctx);
67 __sha256_finish_ctx (&ctx, sum);
68 if (memcmp (tests[cnt].result, sum, 32) != 0)
69 {
70 printf ("test %d run %d failed\n", cnt, 2);
71 result = 1;
72 }
73 }
74
75 /* Test vector from FIPS 180-2: appendix B.3. */
76 char buf[1000];
77 memset (buf, 'a', sizeof (buf));
78 __sha256_init_ctx (&ctx);
79 for (int i = 0; i < 1000; ++i)
80 __sha256_process_bytes (buf, sizeof (buf), &ctx);
81 __sha256_finish_ctx (&ctx, sum);
82 static const char expected[32] =
83 "\xcd\xc7\x6e\x5c\x99\x14\xfb\x92\x81\xa1\xc7\xe2\x84\xd7\x3e\x67"
84 "\xf1\x80\x9a\x48\xa4\x97\x20\x0e\x04\x6d\x39\xcc\xc7\x11\x2c\xd0";
85 if (memcmp (expected, sum, 32) != 0)
86 {
87 printf ("test %d failed\n", cnt++);
88 result = 1;
89 }
90
91 __sha256_init_ctx (&ctx);
92 for (int i = 0; i < 100000; ++i)
93 __sha256_process_bytes (buf, 10, &ctx);
94 __sha256_finish_ctx (&ctx, sum);
95 if (memcmp (expected, sum, 32) != 0)
96 {
97 printf ("test %d failed\n", cnt++);
98 result = 1;
99 }
100
101 return result;
102 }
103