diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2008-04-11 16:52:45 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2008-04-11 16:52:45 +0000 |
commit | 3b28bc9910e12a8c34fb4643788e94b5c3bd184d (patch) | |
tree | 2625d64d4d8c51c872b9ee3e9e35b9349bb1f9da /demos/cms/cms_sign2.c | |
parent | fc003bcecbb99c2a3673d77791459ad54fce49c3 (diff) |
PKCS#7 examples converted to CMS.
Diffstat (limited to 'demos/cms/cms_sign2.c')
-rw-r--r-- | demos/cms/cms_sign2.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/demos/cms/cms_sign2.c b/demos/cms/cms_sign2.c new file mode 100644 index 0000000000..b60fb5cd6f --- /dev/null +++ b/demos/cms/cms_sign2.c @@ -0,0 +1,107 @@ +/* S/MIME signing example: 2 signers. OpenSSL 0.9.9 only */ +#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; + + } + + + + |