| Index: openssl/demos/smime/smsign2.c
|
| ===================================================================
|
| --- openssl/demos/smime/smsign2.c (revision 0)
|
| +++ openssl/demos/smime/smsign2.c (revision 0)
|
| @@ -0,0 +1,107 @@
|
| +/* S/MIME signing example: 2 signers. OpenSSL 0.9.9 only */
|
| +#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;
|
| + X509 *scert = NULL, *scert2 = NULL;
|
| + EVP_PKEY *skey = NULL, *skey2 = NULL;
|
| + PKCS7 *p7 = 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;
|
| +
|
| + p7 = PKCS7_sign(NULL, NULL, NULL, in, PKCS7_STREAM|PKCS7_PARTIAL);
|
| +
|
| + if (!p7)
|
| + goto err;
|
| +
|
| + /* Add each signer in turn */
|
| +
|
| + if (!PKCS7_sign_add_signer(p7, scert, skey, NULL, 0))
|
| + goto err;
|
| +
|
| + if (!PKCS7_sign_add_signer(p7, 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_PKCS7 */
|
| +
|
| + if (!SMIME_write_PKCS7(out, p7, in, PKCS7_STREAM))
|
| + goto err;
|
| +
|
| + ret = 0;
|
| +
|
| + err:
|
| +
|
| + if (ret)
|
| + {
|
| + fprintf(stderr, "Error Signing Data\n");
|
| + ERR_print_errors_fp(stderr);
|
| + }
|
| +
|
| + if (p7)
|
| + PKCS7_free(p7);
|
| +
|
| + 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;
|
| +
|
| + }
|
| +
|
| +
|
| +
|
| +
|
|
|