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authormarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
committermarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
commit15272ab4ed1e6250412fccd48200ed9eae59608f (patch)
treea5996ea67966a778a16565f19dfc2e7c7f49b376 /openssl/demos/cms/cms_ver.c
parent3827301b2ea5a45ac009c3bf9f08586ff40b8506 (diff)
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Updated to openssl 1.0.0
Diffstat (limited to 'openssl/demos/cms/cms_ver.c')
-rw-r--r--openssl/demos/cms/cms_ver.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/openssl/demos/cms/cms_ver.c b/openssl/demos/cms/cms_ver.c
new file mode 100644
index 000000000..bf1145ed8
--- /dev/null
+++ b/openssl/demos/cms/cms_ver.c
@@ -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;
+
+ }