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authormarha <marha@users.sourceforge.net>2010-03-30 12:36:28 +0000
committermarha <marha@users.sourceforge.net>2010-03-30 12:36:28 +0000
commitff48c0d9098080b51ea12710029135916d117806 (patch)
tree96e6af9caf170ba21a1027b24e306a07e27d7b75 /openssl/demos/smime/smver.c
parentbb731f5ac92655c4860a41fa818a7a63005f8369 (diff)
downloadvcxsrv-ff48c0d9098080b51ea12710029135916d117806.tar.gz
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svn merge -r514:HEAD ^/branches/released .
Diffstat (limited to 'openssl/demos/smime/smver.c')
-rw-r--r--openssl/demos/smime/smver.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/openssl/demos/smime/smver.c b/openssl/demos/smime/smver.c
new file mode 100644
index 000000000..9d360c273
--- /dev/null
+++ b/openssl/demos/smime/smver.c
@@ -0,0 +1,87 @@
+/* Simple S/MIME verification example */
+#include <openssl/pem.h>
+#include <openssl/pkcs7.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;
+ PKCS7 *p7 = NULL;
+
+ int ret = 1;
+
+ OpenSSL_add_all_algorithms();
+ ERR_load_crypto_strings();
+
+ /* Set up trusted CA certificate store */
+
+ st = X509_STORE_new();
+
+ /* Read in signer certificate and private key */
+ 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 content being signed */
+
+ in = BIO_new_file("smout.txt", "r");
+
+ if (!in)
+ goto err;
+
+ /* Sign content */
+ p7 = SMIME_read_PKCS7(in, &cont);
+
+ if (!p7)
+ goto err;
+
+ /* File to output verified content to */
+ out = BIO_new_file("smver.txt", "w");
+ if (!out)
+ goto err;
+
+ if (!PKCS7_verify(p7, 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 (p7)
+ PKCS7_free(p7);
+
+ if (cacert)
+ X509_free(cacert);
+
+ if (in)
+ BIO_free(in);
+ if (out)
+ BIO_free(out);
+ if (tbio)
+ BIO_free(tbio);
+
+ return ret;
+
+ }