Newer
Older
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
/* Simple S/MIME uncompression example */
#include <openssl/pem.h>
#include <openssl/cms.h>
#include <openssl/err.h>
int main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
CMS_ContentInfo *cms = NULL;
int ret = 1;
OpenSSL_add_all_algorithms();
ERR_load_crypto_strings();
/* Open compressed content */
in = BIO_new_file("smcomp.txt", "r");
if (!in)
goto err;
/* Sign content */
cms = SMIME_read_CMS(in, NULL);
if (!cms)
goto err;
out = BIO_new_file("smuncomp.txt", "w");
if (!out)
goto err;
/* Uncompress S/MIME message */
if (!CMS_uncompress(cms, out, NULL, 0))
goto err;
ret = 0;
err:
if (ret)
{
fprintf(stderr, "Error Uncompressing Data\n");
ERR_print_errors_fp(stderr);
}
if (cms)
CMS_ContentInfo_free(cms);
if (in)
BIO_free(in);
if (out)
BIO_free(out);
return ret;
}