+++ /dev/null
-/* demos/sign/sign.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-/* sign-it.cpp - Simple test app using SSLeay envelopes to sign data
- 29.9.1996, Sampo Kellomaki <sampo@iki.fi> */
-
-/* converted to C - eay :-) */
-
-/* reformated a bit and converted to use the more common functions: this was
- * initially written at the dawn of time :-) - Steve.
- */
-
-#include <stdio.h>
-#include <openssl/rsa.h>
-#include <openssl/evp.h>
-#include <openssl/objects.h>
-#include <openssl/x509.h>
-#include <openssl/err.h>
-#include <openssl/pem.h>
-#include <openssl/ssl.h>
-
-int main ()
-{
- int err;
- int sig_len;
- unsigned char sig_buf [4096];
- static char certfile[] = "cert.pem";
- static char keyfile[] = "key.pem";
- static char data[] = "I owe you...";
- EVP_MD_CTX md_ctx;
- EVP_PKEY * pkey;
- FILE * fp;
- X509 * x509;
-
- /* Just load the crypto library error strings,
- * SSL_load_error_strings() loads the crypto AND the SSL ones */
- /* SSL_load_error_strings();*/
- ERR_load_crypto_strings();
-
- /* Read private key */
-
- fp = fopen (keyfile, "r");
- if (fp == NULL) exit (1);
- pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
- fclose (fp);
-
- if (pkey == NULL) {
- ERR_print_errors_fp (stderr);
- exit (1);
- }
-
- /* Do the signature */
-
- EVP_SignInit (&md_ctx, EVP_sha1());
- EVP_SignUpdate (&md_ctx, data, strlen(data));
- sig_len = sizeof(sig_buf);
- err = EVP_SignFinal (&md_ctx, sig_buf, &sig_len, pkey);
-
- if (err != 1) {
- ERR_print_errors_fp(stderr);
- exit (1);
- }
-
- EVP_PKEY_free (pkey);
-
- /* Read public key */
-
- fp = fopen (certfile, "r");
- if (fp == NULL) exit (1);
- x509 = PEM_read_X509(fp, NULL, NULL, NULL);
- fclose (fp);
-
- if (x509 == NULL) {
- ERR_print_errors_fp (stderr);
- exit (1);
- }
-
- /* Get public key - eay */
- pkey=X509_get_pubkey(x509);
- if (pkey == NULL) {
- ERR_print_errors_fp (stderr);
- exit (1);
- }
-
- /* Verify the signature */
-
- EVP_VerifyInit (&md_ctx, EVP_sha1());
- EVP_VerifyUpdate (&md_ctx, data, strlen((char*)data));
- err = EVP_VerifyFinal (&md_ctx, sig_buf, sig_len, pkey);
- EVP_PKEY_free (pkey);
-
- if (err != 1) {
- ERR_print_errors_fp (stderr);
- exit (1);
- }
- printf ("Signature Verified Ok.\n");
- return(0);
-}
projects / cassiopeia.git / blobdiff