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/*
* Copyright (C) 2008 American Registry for Internet Numbers ("ARIN")
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ARIN DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ARIN BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id$ */
/*
* Test of using BIO_f_md() filter BIO to calculate hash while reading.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
int main (int argc, char *argv[])
{
BIO *b1 = NULL, *b2 = NULL;
X509 *x = NULL;
unsigned char buf[EVP_MAX_MD_SIZE];
unsigned i, n;
if ((b1 = BIO_new_file(argv[1], "rb")) == NULL)
goto done;
if ((b2 = BIO_new(BIO_f_md())) == NULL)
goto done;
if (!BIO_set_md(b2, EVP_sha256()))
goto done;
BIO_push(b2, b1);
if ((x = d2i_X509_bio(b2, NULL)) == NULL)
goto done;
if (X509_print_fp(stdout, x) < 0)
goto done;
if ((n = BIO_gets(b2, buf, sizeof(buf))) > 0) {
printf("\nsha26[%u]: ", n);
for (i = 0; i < n; i++) {
printf("%02x%s", buf[i], i == n - 1 ? "\n" : ":");
}
}
done:
if (ERR_peek_error())
ERR_print_errors_fp(stderr);
BIO_free_all(b2);
return 0;
}
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