/* 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.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "../e_os.h"

#if defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_MDC2)
# define OPENSSL_NO_MDC2
#endif

#ifdef OPENSSL_NO_MDC2
int main(int argc, char *argv[])
{
    printf("No MDC2 support\n");
    return (0);
}
#else
# include <openssl/evp.h>
# include <openssl/mdc2.h>

# ifdef CHARSET_EBCDIC
#  include <openssl/ebcdic.h>
# endif

static unsigned char pad1[16] = {
    0x42, 0xE5, 0x0C, 0xD2, 0x24, 0xBA, 0xCE, 0xBA,
    0x76, 0x0B, 0xDD, 0x2B, 0xD4, 0x09, 0x28, 0x1A
};

static unsigned char pad2[16] = {
    0x2E, 0x46, 0x79, 0xB5, 0xAD, 0xD9, 0xCA, 0x75,
    0x35, 0xD8, 0x7A, 0xFE, 0xAB, 0x33, 0xBE, 0xE2
};

int main(int argc, char *argv[])
{
    int ret = 0;
    unsigned char md[MDC2_DIGEST_LENGTH];
    int i;
    EVP_MD_CTX *c;
    static char text[30] = "Now is the time for all ";

# ifdef CHARSET_EBCDIC
    ebcdic2ascii(text, text, strlen(text));
# endif

    c = EVP_MD_CTX_new();
    EVP_DigestInit_ex(c, EVP_mdc2(), NULL);
    EVP_DigestUpdate(c, (unsigned char *)text, strlen(text));
    EVP_DigestFinal_ex(c, &(md[0]), NULL);

    if (memcmp(md, pad1, MDC2_DIGEST_LENGTH) != 0) {
        for (i = 0; i < MDC2_DIGEST_LENGTH; i++)
            printf("%02X", md[i]);
        printf(" <- generated\n");
        for (i = 0; i < MDC2_DIGEST_LENGTH; i++)
            printf("%02X", pad1[i]);
        printf(" <- correct\n");
        ret = 1;
    } else
        printf("pad1 - ok\n");

    EVP_DigestInit_ex(c, EVP_mdc2(), NULL);
    /* FIXME: use a ctl function? */
    ((MDC2_CTX *)EVP_MD_CTX_md_data(c))->pad_type = 2;
    EVP_DigestUpdate(c, (unsigned char *)text, strlen(text));
    EVP_DigestFinal_ex(c, &(md[0]), NULL);

    if (memcmp(md, pad2, MDC2_DIGEST_LENGTH) != 0) {
        for (i = 0; i < MDC2_DIGEST_LENGTH; i++)
            printf("%02X", md[i]);
        printf(" <- generated\n");
        for (i = 0; i < MDC2_DIGEST_LENGTH; i++)
            printf("%02X", pad2[i]);
        printf(" <- correct\n");
        ret = 1;
    } else
        printf("pad2 - ok\n");

    EVP_MD_CTX_free(c);
    EXIT(ret);
}
#endif