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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/cms/cms_comp.c
parentbb731f5ac92655c4860a41fa818a7a63005f8369 (diff)
downloadvcxsrv-ff48c0d9098080b51ea12710029135916d117806.tar.gz
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svn merge -r514:HEAD ^/branches/released .
Diffstat (limited to 'openssl/demos/cms/cms_comp.c')
-rw-r--r--openssl/demos/cms/cms_comp.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/openssl/demos/cms/cms_comp.c b/openssl/demos/cms/cms_comp.c
new file mode 100644
index 000000000..b7943e813
--- /dev/null
+++ b/openssl/demos/cms/cms_comp.c
@@ -0,0 +1,61 @@
+/* Simple S/MIME compress 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;
+
+ /*
+ * On OpenSSL 0.9.9 only:
+ * for streaming set CMS_STREAM
+ */
+ int flags = CMS_STREAM;
+
+ OpenSSL_add_all_algorithms();
+ ERR_load_crypto_strings();
+
+ /* Open content being compressed */
+
+ in = BIO_new_file("comp.txt", "r");
+
+ if (!in)
+ goto err;
+
+ /* compress content */
+ cms = CMS_compress(in, NID_zlib_compression, flags);
+
+ if (!cms)
+ goto err;
+
+ out = BIO_new_file("smcomp.txt", "w");
+ if (!out)
+ goto err;
+
+ /* Write out S/MIME message */
+ if (!SMIME_write_CMS(out, cms, in, flags))
+ goto err;
+
+ ret = 0;
+
+ err:
+
+ if (ret)
+ {
+ fprintf(stderr, "Error Compressing 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;
+
+ }