From ff48c0d9098080b51ea12710029135916d117806 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 30 Mar 2010 12:36:28 +0000 Subject: svn merge -r514:HEAD ^/branches/released . --- openssl/demos/cms/cms_enc.c | 92 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 openssl/demos/cms/cms_enc.c (limited to 'openssl/demos/cms/cms_enc.c') diff --git a/openssl/demos/cms/cms_enc.c b/openssl/demos/cms/cms_enc.c new file mode 100644 index 000000000..916b479d3 --- /dev/null +++ b/openssl/demos/cms/cms_enc.c @@ -0,0 +1,92 @@ +/* Simple S/MIME encrypt example */ +#include +#include +#include + +int main(int argc, char **argv) + { + BIO *in = NULL, *out = NULL, *tbio = NULL; + X509 *rcert = NULL; + STACK_OF(X509) *recips = NULL; + CMS_ContentInfo *cms = NULL; + int ret = 1; + + /* + * On OpenSSL 1.0.0 and later only: + * for streaming set CMS_STREAM + */ + int flags = CMS_STREAM; + + OpenSSL_add_all_algorithms(); + ERR_load_crypto_strings(); + + /* Read in recipient certificate */ + tbio = BIO_new_file("signer.pem", "r"); + + if (!tbio) + goto err; + + rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL); + + if (!rcert) + goto err; + + /* Create recipient STACK and add recipient cert to it */ + recips = sk_X509_new_null(); + + if (!recips || !sk_X509_push(recips, rcert)) + goto err; + + /* sk_X509_pop_free will free up recipient STACK and its contents + * so set rcert to NULL so it isn't freed up twice. + */ + rcert = NULL; + + /* Open content being encrypted */ + + in = BIO_new_file("encr.txt", "r"); + + if (!in) + goto err; + + /* encrypt content */ + cms = CMS_encrypt(recips, in, EVP_des_ede3_cbc(), flags); + + if (!cms) + goto err; + + out = BIO_new_file("smencr.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 Encrypting Data\n"); + ERR_print_errors_fp(stderr); + } + + if (cms) + CMS_ContentInfo_free(cms); + if (rcert) + X509_free(rcert); + if (recips) + sk_X509_pop_free(recips, X509_free); + + if (in) + BIO_free(in); + if (out) + BIO_free(out); + if (tbio) + BIO_free(tbio); + + return ret; + + } -- cgit v1.2.3