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
|
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <libtpms/tpm_types.h>
#include <libtpms/tpm_library.h>
#include <libtpms/tpm_error.h>
static unsigned char *read_file(const char *name, size_t *len)
{
long sz;
unsigned char *res;
FILE *f = fopen(name, "rb");
if (!f) {
printf("Could not open file %s for reading.", name);
exit(EXIT_FAILURE);
}
fseek(f, 0, SEEK_END);
sz = ftell(f);
fseek(f, 0, SEEK_SET);
res = malloc(sz + 1);
if (res != NULL) {
*len = fread(res, 1, sz, f);
res[sz] = 0;
}
fclose(f);
return res;
}
int main(int argc, char *argv[])
{
int res = EXIT_SUCCESS;
TPM_RESULT rc;
unsigned char *buf_input = NULL, *buf_cmp = NULL;
size_t len_input, len_cmp;
unsigned char *result = NULL;
size_t result_len;
if (argc != 3) {
printf("Need 2 files as parameters.\n");
return EXIT_FAILURE;
}
buf_input = read_file(argv[1], &len_input);
buf_cmp = read_file(argv[2], &len_cmp);
rc = TPMLIB_DecodeBlob((char *)buf_input, TPMLIB_BLOB_TYPE_INITSTATE,
&result, &result_len);
if (rc != TPM_SUCCESS) {
printf("Decoding of the input file failed.\n");
res = EXIT_FAILURE;
goto cleanup;
}
if (result_len != len_cmp) {
printf("Length of decoded blob (%zu) does "
"not match length of 2nd file (%zu).\n",
result_len, len_cmp);
res = EXIT_FAILURE;
goto cleanup;
}
if (memcmp(result, buf_cmp, result_len) != 0) {
printf("Decoded blob does not match input from 2nd file.\n");
res = EXIT_FAILURE;
goto cleanup;
}
cleanup:
free(result);
free(buf_cmp);
free(buf_input);
return res;
}
|
