UnknownSec Bypass 403

: /usr/share/doc/libssl-doc/demos/cms/ [ drwxr-xr-x ]
name : cms_enc.c /* * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ /* Simple S/MIME encrypt 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 *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); } CMS_ContentInfo_free(cms); X509_free(rcert); sk_X509_pop_free(recips, X509_free); BIO_free(in); BIO_free(out); BIO_free(tbio); return ret; }