| Dr. Stephen Henson | 47a6d38 | 2008-04-11 17:33:29 +0000 | [diff] [blame] | 1 | /* Simple S/MIME uncompression example */ |
| 2 | #include <openssl/pem.h> |
| 3 | #include <openssl/cms.h> |
| 4 | #include <openssl/err.h> |
| 5 | |
| 6 | int main(int argc, char **argv) |
| 7 | { |
| 8 | BIO *in = NULL, *out = NULL; |
| 9 | CMS_ContentInfo *cms = NULL; |
| 10 | int ret = 1; |
| 11 | |
| 12 | OpenSSL_add_all_algorithms(); |
| 13 | ERR_load_crypto_strings(); |
| 14 | |
| 15 | /* Open compressed content */ |
| 16 | |
| 17 | in = BIO_new_file("smcomp.txt", "r"); |
| 18 | |
| 19 | if (!in) |
| 20 | goto err; |
| 21 | |
| 22 | /* Sign content */ |
| 23 | cms = SMIME_read_CMS(in, NULL); |
| 24 | |
| 25 | if (!cms) |
| 26 | goto err; |
| 27 | |
| 28 | out = BIO_new_file("smuncomp.txt", "w"); |
| 29 | if (!out) |
| 30 | goto err; |
| 31 | |
| 32 | /* Uncompress S/MIME message */ |
| 33 | if (!CMS_uncompress(cms, out, NULL, 0)) |
| 34 | goto err; |
| 35 | |
| 36 | ret = 0; |
| 37 | |
| 38 | err: |
| 39 | |
| 40 | if (ret) |
| 41 | { |
| 42 | fprintf(stderr, "Error Uncompressing Data\n"); |
| 43 | ERR_print_errors_fp(stderr); |
| 44 | } |
| 45 | |
| 46 | if (cms) |
| 47 | CMS_ContentInfo_free(cms); |
| 48 | |
| 49 | if (in) |
| 50 | BIO_free(in); |
| 51 | if (out) |
| 52 | BIO_free(out); |
| 53 | |
| 54 | return ret; |
| 55 | |
| 56 | } |
