add: execute openssl fetcher to fetch openssl 1.0.1j

[cassiopeia.git] / lib / openssl / demos / cms / cms_sign2.c

diff --git a/lib/openssl/demos/cms/cms_sign2.c b/lib/openssl/demos/cms/cms_sign2.c
new file mode 100644 (file)
index 0000000..36adee7
--- /dev/null
+++ b/lib/openssl/demos/cms/cms_sign2.c
@@ -0,0 +1,103 @@
+/* S/MIME signing example: 2 signers */
+#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;
+       X509 *scert = NULL, *scert2 = NULL;
+       EVP_PKEY *skey = NULL, *skey2 = NULL;
+       CMS_ContentInfo *cms = NULL;
+       int ret = 1;
+
+       OpenSSL_add_all_algorithms();
+       ERR_load_crypto_strings();
+
+       tbio = BIO_new_file("signer.pem", "r");
+
+       if (!tbio)
+               goto err;
+
+       scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+
+       BIO_reset(tbio);
+
+       skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+
+       BIO_free(tbio);
+
+       tbio = BIO_new_file("signer2.pem", "r");
+
+       if (!tbio)
+               goto err;
+
+       scert2 = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+
+       BIO_reset(tbio);
+
+       skey2 = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+
+       if (!scert2 || !skey2)
+               goto err;
+
+       in = BIO_new_file("sign.txt", "r");
+
+       if (!in)
+               goto err;
+
+       cms = CMS_sign(NULL, NULL, NULL, in, CMS_STREAM|CMS_PARTIAL);
+
+       if (!cms)
+               goto err;
+
+       /* Add each signer in turn */
+
+       if (!CMS_add1_signer(cms, scert, skey, NULL, 0))
+               goto err;
+
+       if (!CMS_add1_signer(cms, scert2, skey2, NULL, 0))
+               goto err;
+
+       out = BIO_new_file("smout.txt", "w");
+       if (!out)
+               goto err;
+
+       /* NB: content included and finalized by SMIME_write_CMS */
+
+       if (!SMIME_write_CMS(out, cms, in, CMS_STREAM))
+               goto err;
+
+       ret = 0;
+
+       err:
+
+       if (ret)
+               {
+               fprintf(stderr, "Error Signing Data\n");
+               ERR_print_errors_fp(stderr);
+               }
+
+       if (cms)
+               CMS_ContentInfo_free(cms);
+
+       if (scert)
+               X509_free(scert);
+       if (skey)
+               EVP_PKEY_free(skey);
+
+       if (scert2)
+               X509_free(scert2);
+       if (skey)
+               EVP_PKEY_free(skey2);
+
+       if (in)
+               BIO_free(in);
+       if (out)
+               BIO_free(out);
+       if (tbio)
+               BIO_free(tbio);
+
+       return ret;
+
+       }