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|
/*
This file is part of libmicrohttpd
Copyright (C) 2019 Karlson2k (Evgeny Grin)
This test tool 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, or
(at your option) any later version.
This test tool 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file microhttpd/test_sha256.h
* @brief Unit tests for SHA-256 functions
* @author Karlson2k (Evgeny Grin)
*/
#include "mhd_options.h"
#include "sha256.h"
#include "test_helpers.h"
#include <stdio.h>
static int verbose = 0; /* verbose level (0-1)*/
struct str_with_len
{
const char *const str;
const size_t len;
};
#define D_STR_W_LEN(s) {(s), (sizeof((s)) / sizeof(char)) - 1}
struct data_unit1
{
const struct str_with_len str_l;
const uint8_t digest[SHA256_DIGEST_SIZE];
};
static const struct data_unit1 data_units1[] = {
{D_STR_W_LEN ("abc"),
{0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde,
0x5d, 0xae, 0x22, 0x23,
0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61,
0xf2, 0x00, 0x15, 0xad}},
{D_STR_W_LEN ("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"),
{0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93,
0x0c, 0x3e, 0x60, 0x39,
0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4,
0x19, 0xdb, 0x06, 0xc1}},
{D_STR_W_LEN (""),
{0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8,
0x99, 0x6f, 0xb9, 0x24,
0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b,
0x78, 0x52, 0xb8, 0x55}},
{D_STR_W_LEN ("1234567890!@~%&$@#{}[]\\/!?`."),
{0x2f, 0xad, 0x7a, 0xff, 0x7d, 0xfe, 0xcd, 0x78, 0xe4, 0xa6, 0xf3, 0x85,
0x97, 0x9d, 0xdc, 0x39,
0x55, 0x24, 0x35, 0x4a, 0x00, 0x6f, 0x42, 0x72, 0x41, 0xc1, 0x52, 0xa7,
0x01, 0x0b, 0x2c, 0x41}},
{D_STR_W_LEN ("Simple string."),
{0x01, 0x73, 0x17, 0xc4, 0x0a, 0x9a, 0x0e, 0x81, 0xb3, 0xa4, 0xb1, 0x8e,
0xe9, 0xd6, 0xc2, 0xdf,
0xfa, 0x7d, 0x53, 0x4e, 0xa1, 0xda, 0xb2, 0x5a, 0x75, 0xbb, 0x2c, 0x30,
0x2f, 0x5f, 0x7a, 0xf4}},
{D_STR_W_LEN ("abcdefghijklmnopqrstuvwxyz"),
{0x71, 0xc4, 0x80, 0xdf, 0x93, 0xd6, 0xae, 0x2f, 0x1e, 0xfa, 0xd1, 0x44,
0x7c, 0x66, 0xc9, 0x52,
0x5e, 0x31, 0x62, 0x18, 0xcf, 0x51, 0xfc, 0x8d, 0x9e, 0xd8, 0x32, 0xf2,
0xda, 0xf1, 0x8b, 0x73}},
{D_STR_W_LEN ("zyxwvutsrqponMLKJIHGFEDCBA"),
{0xce, 0x7d, 0xde, 0xb6, 0x1f, 0x7c, 0x1d, 0x83, 0x7c, 0x60, 0xd8, 0x36,
0x73, 0x82, 0xac, 0x92,
0xca, 0x37, 0xfd, 0x72, 0x8b, 0x0c, 0xd1, 0x6c, 0x55, 0xd5, 0x88, 0x98,
0x24, 0xfa, 0x16, 0xf2}},
{D_STR_W_LEN ("abcdefghijklmnopqrstuvwxyzzyxwvutsrqponMLKJIHGFEDCBA"
"abcdefghijklmnopqrstuvwxyzzyxwvutsrqponMLKJIHGFEDCBA"),
{0x27, 0xd1, 0xe8, 0xbc, 0x6a, 0x79, 0x16, 0x83, 0x61, 0x73, 0xa9, 0xa8,
0x9b, 0xaf, 0xaf, 0xcf,
0x47, 0x4d, 0x09, 0xef, 0x6d, 0x50, 0x35, 0x12, 0x25, 0x72, 0xd8, 0x68,
0xdc, 0x1f, 0xd2, 0xf4}},
};
static const size_t units1_num = sizeof(data_units1) / sizeof(data_units1[0]);
struct bin_with_len
{
const uint8_t bin[512];
const size_t len;
};
struct data_unit2
{
const struct bin_with_len bin_l;
const uint8_t digest[SHA256_DIGEST_SIZE];
};
/* Size must be less than 512 bytes! */
static const struct data_unit2 data_units2[] = {
{ { {97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
112, 113, 114, 115, 116,
117, 118, 119, 120, 121, 122}, 26}, /* a..z ASCII sequence */
{0x71, 0xc4, 0x80, 0xdf, 0x93, 0xd6, 0xae, 0x2f, 0x1e, 0xfa, 0xd1, 0x44,
0x7c, 0x66, 0xc9, 0x52,
0x5e, 0x31, 0x62, 0x18, 0xcf, 0x51, 0xfc, 0x8d, 0x9e, 0xd8, 0x32, 0xf2,
0xda, 0xf1, 0x8b, 0x73}},
{ { {65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65}, 72 },/* 'A' x 72 times */
{0x6a, 0x6d, 0x69, 0x1a, 0xc9, 0xba, 0x70, 0x95, 0x50, 0x46, 0x75, 0x7c,
0xd6, 0x85, 0xb6, 0x25,
0x77, 0x73, 0xff, 0x3a, 0xd9, 0x3f, 0x43, 0xd4, 0xd4, 0x81, 0x2c, 0x5b,
0x10, 0x6f, 0x4b, 0x5b}},
{ { {19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
37, 38, 39, 40, 41, 42,
43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60,
61, 62, 63, 64, 65, 66, 67,
68, 69, 70, 71, 72, 73}, 55}, /* 19..73 sequence */
{0x06, 0xe4, 0xb3, 0x9e, 0xf1, 0xfb, 0x6c, 0xcf, 0xd7, 0x3f, 0x50, 0x9e,
0xf4, 0x16, 0x17, 0xd4,
0x63, 0x7c, 0x39, 0x1e, 0xa8, 0x0f, 0xa9, 0x88, 0x03, 0x44, 0x98, 0x0e,
0x95, 0x81, 0xf0, 0x2a}},
{ { {7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
50, 51, 52, 53, 54, 55, 56,
57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69}, 63}, /* 7..69 sequence */
{0x4a, 0xd3, 0xc6, 0x87, 0x1f, 0xd1, 0xc5, 0xe2, 0x3e, 0x52, 0xdc, 0x22,
0xd1, 0x10, 0xd2, 0x05,
0x15, 0x23, 0xcd, 0x15, 0xac, 0x24, 0x88, 0x26, 0x02, 0x00, 0x70, 0x78,
0x9f, 0x17, 0xf8, 0xd9}},
{ { {38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61,
62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84, 85, 86,
87, 88, 89, 90, 91, 92}, 55}, /* 38..92 sequence */
{0xe6, 0x03, 0x0f, 0xc9, 0x0d, 0xca, 0x0c, 0x26, 0x41, 0xcf, 0x43, 0x27,
0xec, 0xd6, 0x28, 0x2a,
0x98, 0x24, 0x55, 0xd3, 0x5a, 0xed, 0x8b, 0x32, 0x19, 0x78, 0xeb, 0x83,
0x1d, 0x19, 0x92, 0x79}},
{ { {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27,
28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
46, 47, 48, 49, 50, 51, 52,
53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70,
71, 72},
72},/* 1..72 sequence */
{0x87, 0xa2, 0xfa, 0x2e, 0xec, 0x53, 0x05, 0x3c, 0xb1, 0xee, 0x07, 0xd7,
0x59, 0x70, 0xf6, 0x50,
0xcd, 0x9d, 0xc5, 0x8b, 0xdc, 0xb8, 0x65, 0x30, 0x4f, 0x70, 0x82, 0x9e,
0xbd, 0xe2, 0x7d, 0xac}},
{ { {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26,
27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
45, 46, 47, 48, 49, 50, 51,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
70, 71, 72, 73, 74, 75, 76,
77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94,
95, 96, 97, 98, 99, 100,
101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
115, 116, 117, 118, 119, 120,
121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134,
135, 136, 137, 138, 139, 140,
141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
155, 156, 157, 158, 159, 160,
161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174,
175, 176, 177, 178, 179, 180,
181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194,
195, 196, 197, 198, 199, 200,
201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214,
215, 216, 217, 218, 219, 220,
221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234,
235, 236, 237, 238, 239, 240,
241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254,
255}, 256}, /* 0..255 sequence */
{0x40, 0xaf, 0xf2, 0xe9, 0xd2, 0xd8, 0x92, 0x2e, 0x47, 0xaf, 0xd4, 0x64,
0x8e, 0x69, 0x67, 0x49,
0x71, 0x58, 0x78, 0x5f, 0xbd, 0x1d, 0xa8, 0x70, 0xe7, 0x11, 0x02, 0x66,
0xbf, 0x94, 0x48, 0x80}},
{ { {199, 198, 197, 196, 195, 194, 193, 192, 191, 190, 189, 188, 187, 186,
185, 184, 183, 182, 181, 180,
179, 178, 177, 176, 175, 174, 173, 172, 171, 170, 169, 168, 167, 166,
165, 164, 163, 162, 161, 160,
159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146,
145, 144, 143, 142, 141, 140,
139}, 61}, /* 199..139 sequence */
{0x85, 0xf8, 0xa2, 0x83, 0xd6, 0x3c, 0x76, 0x8e, 0xea, 0x8f, 0x1c, 0x57,
0x2d, 0x85, 0xb6, 0xff,
0xd8, 0x33, 0x57, 0x62, 0x1d, 0x37, 0xae, 0x0e, 0xfc, 0x22, 0xd3, 0xd5,
0x8f, 0x53, 0x21, 0xb7}},
{ { {255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242,
241, 240, 239, 238, 237, 236,
235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, 223, 222,
221, 220, 219, 218, 217, 216,
215, 214, 213, 212, 211, 210, 209, 208, 207, 206, 205, 204, 203, 202,
201, 200, 199, 198, 197, 196,
195, 194, 193, 192, 191, 190, 189, 188, 187, 186, 185, 184, 183, 182,
181, 180, 179, 178, 177, 176,
175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, 163, 162,
161, 160, 159, 158, 157, 156,
155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 143, 142,
141, 140, 139, 138, 137, 136,
135, 134, 133, 132, 131, 130, 129, 128, 127, 126, 125, 124, 123, 122,
121, 120, 119, 118, 117, 116,
115, 114, 113, 112, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102,
101, 100, 99, 98, 97, 96, 95,
94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77,
76, 75, 74, 73, 72, 71, 70,
69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52,
51, 50, 49, 48, 47, 46, 45,
44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27,
26, 25, 24, 23, 22, 21, 20,
19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1}, 255}, /* 255..1 sequence */
{0x61, 0x86, 0x96, 0xab, 0x3e, 0xaa, 0x0e, 0x64, 0xb2, 0xf7, 0x2d, 0x75,
0x47, 0x5a, 0x14, 0x97,
0xa3, 0x3d, 0x59, 0xa4, 0x08, 0xd9, 0x9e, 0x73, 0xf2, 0x78, 0x00, 0x5b,
0x4b, 0x55, 0xca, 0x43}},
{ { {41, 35, 190, 132, 225, 108, 214, 174, 82, 144, 73, 241, 241, 187, 233,
235, 179, 166, 219, 60, 135,
12, 62, 153, 36, 94, 13, 28, 6, 183, 71, 222, 179, 18, 77, 200, 67, 187,
139, 166, 31, 3, 90, 125, 9,
56, 37, 31, 93, 212, 203, 252, 150, 245, 69, 59, 19, 13, 137, 10, 28,
219, 174, 50, 32, 154, 80, 238,
64, 120, 54, 253, 18, 73, 50, 246, 158, 125, 73, 220, 173, 79, 20, 242,
68, 64, 102, 208, 107, 196,
48, 183, 50, 59, 161, 34, 246, 34, 145, 157, 225, 139, 31, 218, 176, 202,
153, 2, 185, 114, 157, 73,
44, 128, 126, 197, 153, 213, 233, 128, 178, 234, 201, 204, 83, 191, 103,
214, 191, 20, 214, 126, 45,
220, 142, 102, 131, 239, 87, 73, 97, 255, 105, 143, 97, 205, 209, 30,
157, 156, 22, 114, 114, 230,
29, 240, 132, 79, 74, 119, 2, 215, 232, 57, 44, 83, 203, 201, 18, 30, 51,
116, 158, 12, 244, 213,
212, 159, 212, 164, 89, 126, 53, 207, 50, 34, 244, 204, 207, 211, 144,
45, 72, 211, 143, 117, 230,
217, 29, 42, 229, 192, 247, 43, 120, 129, 135, 68, 14, 95, 80, 0, 212,
97, 141, 190, 123, 5, 21, 7,
59, 51, 130, 31, 24, 112, 146, 218, 100, 84, 206, 177, 133, 62, 105, 21,
248, 70, 106, 4, 150, 115,
14, 217, 22, 47, 103, 104, 212, 247, 74, 74, 208, 87, 104}, 255}, /* pseudo-random data */
{0x08, 0x7f, 0x86, 0xac, 0xe2, 0x2e, 0x28, 0x56, 0x74, 0x53, 0x4f, 0xc0,
0xfb, 0xb8, 0x79, 0x57,
0xc5, 0xc8, 0xd1, 0xb7, 0x47, 0xb7, 0xd9, 0xea, 0x97, 0xa8, 0x67, 0xe9,
0x26, 0x93, 0xee, 0xa3}}
};
static const size_t units2_num = sizeof(data_units2) / sizeof(data_units2[0]);
/*
* Helper functions
*/
/**
* Print bin as hex
*
* @param bin binary data
* @param len number of bytes in bin
* @param hex pointer to len*2+1 bytes buffer
*/
static void
bin2hex (const uint8_t *bin,
size_t len,
char *hex)
{
while (len-- > 0)
{
unsigned int b1, b2;
b1 = (*bin >> 4) & 0xf;
*hex++ = (char) ((b1 > 9) ? (b1 + 'A' - 10) : (b1 + '0'));
b2 = *bin++ & 0xf;
*hex++ = (char) ((b2 > 9) ? (b2 + 'A' - 10) : (b2 + '0'));
}
*hex = 0;
}
static int
check_result (const char *test_name,
unsigned int check_num,
const uint8_t calcualted[SHA256_DIGEST_SIZE],
const uint8_t expected[SHA256_DIGEST_SIZE])
{
int failed = memcmp (calcualted, expected, SHA256_DIGEST_SIZE);
check_num++; /* Print 1-based numbers */
if (failed)
{
char calc_str[SHA256_DIGEST_STRING_SIZE];
char expc_str[SHA256_DIGEST_STRING_SIZE];
bin2hex (calcualted, SHA256_DIGEST_SIZE, calc_str);
bin2hex (expected, SHA256_DIGEST_SIZE, expc_str);
fprintf (stderr,
"FAILED: %s check %u: calculated digest %s, expected digest %s.\n",
test_name, check_num, calc_str, expc_str);
fflush (stderr);
}
else if (verbose)
{
char calc_str[SHA256_DIGEST_STRING_SIZE];
bin2hex (calcualted, SHA256_DIGEST_SIZE, calc_str);
printf (
"PASSED: %s check %u: calculated digest %s match expected digest.\n",
test_name, check_num, calc_str);
fflush (stdout);
}
return failed ? 1 : 0;
}
/*
* Tests
*/
/* Calculated SHA-256 as one pass for whole data */
static int
test1_str (void)
{
int num_failed = 0;
unsigned int i;
for (i = 0; i < units1_num; i++)
{
struct sha256_ctx ctx;
uint8_t digest[SHA256_DIGEST_SIZE];
MHD_SHA256_init (&ctx);
MHD_SHA256_update (&ctx, (const uint8_t*) data_units1[i].str_l.str,
data_units1[i].str_l.len);
sha256_finish (&ctx, digest);
num_failed += check_result (__FUNCTION__, i, digest,
data_units1[i].digest);
}
return num_failed;
}
static int
test1_bin (void)
{
int num_failed = 0;
unsigned int i;
for (i = 0; i < units2_num; i++)
{
struct sha256_ctx ctx;
uint8_t digest[SHA256_DIGEST_SIZE];
MHD_SHA256_init (&ctx);
MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin,
data_units2[i].bin_l.len);
sha256_finish (&ctx, digest);
num_failed += check_result (__FUNCTION__, i, digest,
data_units2[i].digest);
}
return num_failed;
}
/* Calculated SHA-256 as two iterations for whole data */
static int
test2_str (void)
{
int num_failed = 0;
unsigned int i;
for (i = 0; i < units1_num; i++)
{
struct sha256_ctx ctx;
uint8_t digest[SHA256_DIGEST_SIZE];
size_t part_s = data_units1[i].str_l.len / 4;
MHD_SHA256_init (&ctx);
MHD_SHA256_update (&ctx, (const uint8_t*) data_units1[i].str_l.str, part_s);
MHD_SHA256_update (&ctx, (const uint8_t*) data_units1[i].str_l.str + part_s,
data_units1[i].str_l.len - part_s);
sha256_finish (&ctx, digest);
num_failed += check_result (__FUNCTION__, i, digest,
data_units1[i].digest);
}
return num_failed;
}
static int
test2_bin (void)
{
int num_failed = 0;
unsigned int i;
for (i = 0; i < units2_num; i++)
{
struct sha256_ctx ctx;
uint8_t digest[SHA256_DIGEST_SIZE];
size_t part_s = data_units2[i].bin_l.len * 2 / 3;
MHD_SHA256_init (&ctx);
MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin, part_s);
MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin + part_s,
data_units2[i].bin_l.len - part_s);
sha256_finish (&ctx, digest);
num_failed += check_result (__FUNCTION__, i, digest,
data_units2[i].digest);
}
return num_failed;
}
int
main (int argc, char *argv[])
{
int num_failed = 0;
(void) has_in_name; /* Mute compiler warning. */
if (has_param (argc, argv, "-v") || has_param (argc, argv, "--verbose"))
verbose = 1;
num_failed += test1_str ();
num_failed += test1_bin ();
num_failed += test2_str ();
num_failed += test2_bin ();
return num_failed ? 1 : 0;
}
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