| Index: openssl/demos/cms/cms_ver.c
|
| ===================================================================
|
| --- openssl/demos/cms/cms_ver.c (revision 0)
|
| +++ openssl/demos/cms/cms_ver.c (revision 0)
|
| @@ -0,0 +1,87 @@
|
| +/* Simple S/MIME verification example */
|
| +#include <openssl/pem.h>
|
| +#include <openssl/cms.h>
|
| +#include <openssl/err.h>
|
| +
|
| +int main(int argc, char **argv)
|
| + {
|
| + BIO *in = NULL, *out = NULL, *tbio = NULL, *cont = NULL;
|
| + X509_STORE *st = NULL;
|
| + X509 *cacert = NULL;
|
| + CMS_ContentInfo *cms = NULL;
|
| +
|
| + int ret = 1;
|
| +
|
| + OpenSSL_add_all_algorithms();
|
| + ERR_load_crypto_strings();
|
| +
|
| + /* Set up trusted CA certificate store */
|
| +
|
| + st = X509_STORE_new();
|
| +
|
| + /* Read in CA certificate */
|
| + tbio = BIO_new_file("cacert.pem", "r");
|
| +
|
| + if (!tbio)
|
| + goto err;
|
| +
|
| + cacert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
|
| +
|
| + if (!cacert)
|
| + goto err;
|
| +
|
| + if (!X509_STORE_add_cert(st, cacert))
|
| + goto err;
|
| +
|
| + /* Open message being verified */
|
| +
|
| + in = BIO_new_file("smout.txt", "r");
|
| +
|
| + if (!in)
|
| + goto err;
|
| +
|
| + /* parse message */
|
| + cms = SMIME_read_CMS(in, &cont);
|
| +
|
| + if (!cms)
|
| + goto err;
|
| +
|
| + /* File to output verified content to */
|
| + out = BIO_new_file("smver.txt", "w");
|
| + if (!out)
|
| + goto err;
|
| +
|
| + if (!CMS_verify(cms, NULL, st, cont, out, 0))
|
| + {
|
| + fprintf(stderr, "Verification Failure\n");
|
| + goto err;
|
| + }
|
| +
|
| + fprintf(stderr, "Verification Successful\n");
|
| +
|
| + ret = 0;
|
| +
|
| + err:
|
| +
|
| + if (ret)
|
| + {
|
| + fprintf(stderr, "Error Verifying Data\n");
|
| + ERR_print_errors_fp(stderr);
|
| + }
|
| +
|
| + if (cms)
|
| + CMS_ContentInfo_free(cms);
|
| +
|
| + if (cacert)
|
| + X509_free(cacert);
|
| +
|
| + if (in)
|
| + BIO_free(in);
|
| + if (out)
|
| + BIO_free(out);
|
| + if (tbio)
|
| + BIO_free(tbio);
|
| +
|
| + return ret;
|
| +
|
| + }
|
|
|