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/* crypto/hmac/hmactest.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.]
 */

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

#include "../e_os.h"

#ifdef OPENSSL_NO_HMAC
int main(int argc, char *argv[])
{
    printf("No HMAC support\n");
    return (0);
}
#else
# include <openssl/hmac.h>
# ifndef OPENSSL_NO_MD5
#  include <openssl/md5.h>
# endif

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

# ifndef OPENSSL_NO_MD5
static struct test_st {
    unsigned char key[16];
    int key_len;
    unsigned char data[64];
    int data_len;
    unsigned char *digest;
} test[8] = {
    {
        "", 0, "More text test vectors to stuff up EBCDIC machines :-)", 54,
        (unsigned char *)"e9139d1e6ee064ef8cf514fc7dc83e86",
    },
    {
        {
            0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
            0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
        }, 16, "Hi There", 8,
        (unsigned char *)"9294727a3638bb1c13f48ef8158bfc9d",
    },
    {
        "Jefe", 4, "what do ya want for nothing?", 28,
        (unsigned char *)"750c783e6ab0b503eaa86e310a5db738",
    },
    {
        {
            0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
            0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        }, 16, {
            0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
            0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
            0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
            0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
            0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd
        }, 50, (unsigned char *)"56be34521d144c88dbb8c733f0e8b3f6",
    },
    {
        "", 0, "My test data", 12,
        (unsigned char *)"61afdecb95429ef494d61fdee15990cabf0826fc"
    },
    {
        "", 0, "My test data", 12,
        (unsigned char *)"2274b195d90ce8e03406f4b526a47e0787a88a65479938f1a5baa3ce0f079776"
    },
    {
        "123456", 6, "My test data", 12,
        (unsigned char *)"bab53058ae861a7f191abe2d0145cbb123776a6369ee3f9d79ce455667e411dd"
    },
    {
        "12345", 5, "My test data again", 12,
        (unsigned char *)"7dbe8c764c068e3bcd6e6b0fbcd5e6fc197b15bb"
    }
};
# endif

static char *pt(unsigned char *md, unsigned int len);

int main(int argc, char *argv[])
{
# ifndef OPENSSL_NO_MD5
    int i;
    char *p;
# endif
    int err = 0;
    HMAC_CTX ctx, ctx2;
    unsigned char buf[EVP_MAX_MD_SIZE];
    unsigned int len;

# ifdef OPENSSL_NO_MD5
    printf("test skipped: MD5 disabled\n");
# else

#  ifdef CHARSET_EBCDIC
    ebcdic2ascii(test[0].data, test[0].data, test[0].data_len);
    ebcdic2ascii(test[1].data, test[1].data, test[1].data_len);
    ebcdic2ascii(test[2].key, test[2].key, test[2].key_len);
    ebcdic2ascii(test[2].data, test[2].data, test[2].data_len);
#  endif

    for (i = 0; i < 4; i++) {
        p = pt(HMAC(EVP_md5(),
                    test[i].key, test[i].key_len,
                    test[i].data, test[i].data_len, NULL, NULL),
                    MD5_DIGEST_LENGTH);

        if (strcmp(p, (char *)test[i].digest) != 0) {
            printf("Error calculating HMAC on %d entry'\n", i);
            printf("got %s instead of %s\n", p, test[i].digest);
            err++;
        } else
            printf("test %d ok\n", i);
    }
# endif                         /* OPENSSL_NO_MD5 */

/* test4 */
    HMAC_CTX_init(&ctx);
    if (HMAC_Init_ex(&ctx, NULL, 0, NULL, NULL)) {
        printf("Should fail to initialise HMAC with empty MD and key (test 4)\n");
        err++;
        goto test5;
    }
    if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
        printf("Should fail HMAC_Update with ctx not set up (test 4)\n");
        err++;
        goto test5;
    }
    if (HMAC_Init_ex(&ctx, NULL, 0, EVP_sha1(), NULL)) {
        printf("Should fail to initialise HMAC with empty key (test 4)\n");
        err++;
        goto test5;
    }
    if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
        printf("Should fail HMAC_Update with ctx not set up (test 4)\n");
        err++;
        goto test5;
    }
    printf("test 4 ok\n");
test5:
    HMAC_CTX_init(&ctx);
    if (HMAC_Init_ex(&ctx, test[4].key, test[4].key_len, NULL, NULL)) {
        printf("Should fail to initialise HMAC with empty MD (test 5)\n");
        err++;
        goto test6;
    }
    if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
        printf("Should fail HMAC_Update with ctx not set up (test 5)\n");
        err++;
        goto test6;
    }
    if (HMAC_Init_ex(&ctx, test[4].key, -1, EVP_sha1(), NULL)) {
        printf("Should fail to initialise HMAC with invalid key len(test 5)\n");
        err++;
        goto test6;
    }
    if (!HMAC_Init_ex(&ctx, test[4].key, test[4].key_len, EVP_sha1(), NULL)) {
        printf("Failed to initialise HMAC (test 5)\n");
        err++;
        goto test6;
    }
    if (!HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
        printf("Error updating HMAC with data (test 5)\n");
        err++;
        goto test6;
    }
    if (!HMAC_Final(&ctx, buf, &len)) {
        printf("Error finalising data (test 5)\n");
        err++;
        goto test6;
    }
    p = pt(buf, len);
    if (strcmp(p, (char *)test[4].digest) != 0) {
        printf("Error calculating interim HMAC on test 5\n");
        printf("got %s instead of %s\n", p, test[4].digest);
        err++;
        goto test6;
    }
    if (!HMAC_Init_ex(&ctx, NULL, 0, EVP_sha256(), NULL)) {
        printf("Failed to reinitialise HMAC (test 5)\n");
        err++;
        goto test6;
    }
    if (!HMAC_Update(&ctx, test[5].data, test[5].data_len)) {
        printf("Error updating HMAC with data (sha256) (test 5)\n");
        err++;
        goto test6;
    }
    if (!HMAC_Final(&ctx, buf, &len)) {
        printf("Error finalising data (sha256) (test 5)\n");
        err++;
        goto test6;
    }
    p = pt(buf, len);
    if (strcmp(p, (char *)test[5].digest) != 0) {
        printf("Error calculating 2nd interim HMAC on test 5\n");
        printf("got %s instead of %s\n", p, test[5].digest);
        err++;
        goto test6;
    }
    if (!HMAC_Init_ex(&ctx, test[6].key, test[6].key_len, NULL, NULL)) {
        printf("Failed to reinitialise HMAC with key (test 5)\n");
        err++;
        goto test6;
    }
    if (!HMAC_Update(&ctx, test[6].data, test[6].data_len)) {
        printf("Error updating HMAC with data (new key) (test 5)\n");
        err++;
        goto test6;
    }
    if (!HMAC_Final(&ctx, buf, &len)) {
        printf("Error finalising data (new key) (test 5)\n");
        err++;
        goto test6;
    }
    p = pt(buf, len);
    if (strcmp(p, (char *)test[6].digest) != 0) {
        printf("error calculating HMAC on test 5\n");
        printf("got %s instead of %s\n", p, test[6].digest);
        err++;
    } else {
        printf("test 5 ok\n");
    }
test6:
    HMAC_CTX_init(&ctx);
    if (!HMAC_Init_ex(&ctx, test[7].key, test[7].key_len, EVP_sha1(), NULL)) {
        printf("Failed to initialise HMAC (test 6)\n");
        err++;
        goto end;
    }
    if (!HMAC_Update(&ctx, test[7].data, test[7].data_len)) {
        printf("Error updating HMAC with data (test 6)\n");
        err++;
        goto end;
    }
    if (!HMAC_CTX_copy(&ctx2, &ctx)) {
        printf("Failed to copy HMAC_CTX (test 6)\n");
        err++;
        goto end;
    }
    if (!HMAC_Final(&ctx2, buf, &len)) {
        printf("Error finalising data (test 6)\n");
        err++;
        goto end;
    }
    p = pt(buf, len);
    if (strcmp(p, (char *)test[7].digest) != 0) {
        printf("Error calculating HMAC on test 6\n");
        printf("got %s instead of %s\n", p, test[7].digest);
        err++;
    } else {
        printf("test 6 ok\n");
    }
end:
    EXIT(err);
    return (0);
}

# ifndef OPENSSL_NO_MD5
static char *pt(unsigned char *md, unsigned int len)
{
    unsigned int i;
    static char buf[80];

    for (i = 0; i < len; i++)
        sprintf(&(buf[i * 2]), "%02x", md[i]);
    return (buf);
}
# endif
#endif