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path: root/openssl-1.1.0h/test/mdc2test.c
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/*
 * Copyright 1995-2016 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
 */

#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 = 1;
    unsigned char md[MDC2_DIGEST_LENGTH];
    int i;
    EVP_MD_CTX *c;
    static char text[] = "Now is the time for all ";

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

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

    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");
        goto err;
    } else {
        printf("pad1 - ok\n");
    }

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

    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");
    } else {
        printf("pad2 - ok\n");
        ret = 0;
    }

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