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/*
* Copyright (c) 2017, Björn Esser <besser82@fedoraproject.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "crypt-port.h"
#include "alg-sha1.h"
#include "alg-hmac-sha1.h"
#include <stdio.h>
#include <stdlib.h>
#if INCLUDE_sha1crypt
#define HASH_LENGTH 20
static char *
bin_to_char (char *buf, size_t bufsz, const char *data, size_t nbytes)
{
size_t i;
buf[0] = '\0';
if (bufsz <= (nbytes * 2))
return NULL;
for (i = 0; i < nbytes; i++)
{
(void)sprintf (&buf[i*2], "%02x", (unsigned char)data[i]);
}
return buf;
}
static int
char_to_bin (char *buf, size_t bufsz, const char *data, size_t nbytes)
{
size_t i;
uint32_t c;
if (nbytes < 1)
nbytes = strlen (data);
nbytes /= 2;
if (bufsz <= nbytes)
return 0;
for (i = 0; i < nbytes; i++)
{
if (sscanf (&data[i*2], "%02x", &c) < 1)
break;
buf[i] = (char)(c & 0xff);
}
buf[i] = 0;
return (int)i;
}
/*
* If a test key or data starts with 0x we'll convert to binary.
*/
#define X2B(v, b) do { \
if (memcmp (v, "0x", 2) == 0) { \
v += 2; \
char_to_bin (b, sizeof(b), v, strlen(v)); \
v = b; \
} \
} while (0)
/*
* Run some of the known answer tests from RFC 2202.
*/
int
main (void)
{
struct test_s
{
const char *key;
const char *data;
const char *expect;
const size_t data_size;
} tests[] =
{
{
"0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
"Hi There",
"0xb617318655057264e28bc0b6fb378c8ef146be00",
8,
},
{
"Jefe",
"what do ya want for nothing?",
"0xeffcdf6ae5eb2fa2d27416d5f184df9c259a7c79",
28,
},
{
"0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"0xdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd",
"0x125d7342b9ac11cd91a39af48aa17b4f63f175d3",
50,
},
{
"0x0102030405060708090a0b0c0d0e0f10111213141516171819",
"0xcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
"0x4c9007f4026250c6bc8414f9bf50c86c2d7235da",
50,
},
{
"0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c",
"Test With Truncation",
"0x4c1a03424b55e07fe7f27be1d58bb9324a9a5a04",
20,
},
{
"0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"Test Using Larger Than Block-Size Key - Hash Key First",
"0xaa4ae5e15272d00e95705637ce8a3b55ed402112",
54,
},
{
"0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data",
"0xe8e99d0f45237d786d6bbaa7965c7808bbff1a91",
73,
},
{
0, 0, 0, 0,
},
};
struct test_s *test = tests;
char digest[HASH_LENGTH];
char kbuf[BUFSIZ];
char dbuf[BUFSIZ];
int n = 0;
for (test = tests; test->key; test++)
{
X2B(test->key, kbuf);
X2B(test->data, dbuf);
hmac_sha1_process_data ((const uint8_t *)test->data, test->data_size,
(const uint8_t *)test->key, strlen(test->key), digest);
strncpy (dbuf, "0x", BUFSIZ);
bin_to_char (&dbuf[2], (sizeof dbuf) - 2, digest, HASH_LENGTH);
if (strcmp (dbuf, test->expect) != 0)
{
n = 1;
fputs ("\nkey=", stdout);
fputs (test->key, stdout);
fputs (", data=", stdout);
fputs (test->data, stdout);
fputs (",\nresult=", stdout);
fputs (dbuf, stdout);
fputs (": ", stdout);
fputs (test->expect, stdout);
fputs ("\n", stdout);
}
}
return n;
}
#else
int
main (void)
{
return 77; /* UNSUPPORTED */
}
#endif
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