diff options
Diffstat (limited to 'openssl/demos/cms/cms_sign.c')
-rw-r--r-- | openssl/demos/cms/cms_sign.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/openssl/demos/cms/cms_sign.c b/openssl/demos/cms/cms_sign.c deleted file mode 100644 index 4bf85d1..0000000 --- a/openssl/demos/cms/cms_sign.c +++ /dev/null @@ -1,88 +0,0 @@ -/* Simple S/MIME signing 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; - X509 *scert = NULL; - EVP_PKEY *skey = NULL; - CMS_ContentInfo *cms = NULL; - int ret = 1; - - /* - * For simple S/MIME signing use CMS_DETACHED. On OpenSSL 1.0.0 only: for - * streaming detached set CMS_DETACHED|CMS_STREAM for streaming - * non-detached set CMS_STREAM - */ - int flags = CMS_DETACHED | CMS_STREAM; - - OpenSSL_add_all_algorithms(); - ERR_load_crypto_strings(); - - /* Read in signer certificate and private key */ - 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); - - if (!scert || !skey) - goto err; - - /* Open content being signed */ - - in = BIO_new_file("sign.txt", "r"); - - if (!in) - goto err; - - /* Sign content */ - cms = CMS_sign(scert, skey, NULL, in, flags); - - if (!cms) - goto err; - - out = BIO_new_file("smout.txt", "w"); - if (!out) - goto err; - - if (!(flags & CMS_STREAM)) - BIO_reset(in); - - /* Write out S/MIME message */ - if (!SMIME_write_CMS(out, cms, in, flags)) - 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 (in) - BIO_free(in); - if (out) - BIO_free(out); - if (tbio) - BIO_free(tbio); - - return ret; - -} |