diff options
author | Richard Levitte <levitte@openssl.org> | 2010-01-27 11:14:46 +0000 |
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committer | Richard Levitte <levitte@openssl.org> | 2010-01-27 11:14:46 +0000 |
commit | e6d8d6a89ae491106ff5860bcd339f1469ca350f (patch) | |
tree | bf5eb7cff5c855f24213c665470d57d9bc96b969 /demos/smime/smenc.c | |
parent | 0e785e5e093d4c24eaf531dd5ffc655e3a91c6b5 (diff) | |
download | openssl-new-BRANCH_VMS_64BIT.tar.gz |
Merge main -> VMS_64BITBRANCH_VMS_64BIT
Diffstat (limited to 'demos/smime/smenc.c')
-rw-r--r-- | demos/smime/smenc.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/demos/smime/smenc.c b/demos/smime/smenc.c new file mode 100644 index 0000000000..77dd732fc1 --- /dev/null +++ b/demos/smime/smenc.c @@ -0,0 +1,92 @@ +/* Simple S/MIME encrypt example */ +#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 *rcert = NULL; + STACK_OF(X509) *recips = NULL; + PKCS7 *p7 = NULL; + int ret = 1; + + /* + * On OpenSSL 0.9.9 only: + * for streaming set PKCS7_STREAM + */ + int flags = PKCS7_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 */ + p7 = PKCS7_encrypt(recips, in, EVP_des_ede3_cbc(), flags); + + if (!p7) + goto err; + + out = BIO_new_file("smencr.txt", "w"); + if (!out) + goto err; + + /* Write out S/MIME message */ + if (!SMIME_write_PKCS7(out, p7, in, flags)) + goto err; + + ret = 0; + + err: + + if (ret) + { + fprintf(stderr, "Error Encrypting Data\n"); + ERR_print_errors_fp(stderr); + } + + if (p7) + PKCS7_free(p7); + 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; + + } |