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fips_shatest.c
/* fips_shatest.c */
/*
 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
 * 2005.
 */
/* ====================================================================
 * Copyright (c) 2005 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/x509v3.h>

#ifndef OPENSSL_FIPS

int main(int argc, char *argv[])
{
    printf("No FIPS SHAXXX support\n");
    return (0);
}

#else

# include "fips_utl.h"

static int dgst_test(FILE *out, FILE *in);
static int print_dgst(const EVP_MD *md, FILE *out,
                      unsigned char *Msg, int Msglen);
static int print_monte(const EVP_MD *md, FILE *out,
                       unsigned char *Seed, int SeedLen);

int main(int argc, char **argv)
{
    FILE *in = NULL, *out = NULL;

    int ret = 1;

    if (!FIPS_mode_set(1)) {
        do_print_errors();
        goto end;
    }

    if (argc == 1)
        in = stdin;
    else
        in = fopen(argv[1], "r");

    if (argc < 2)
        out = stdout;
    else
        out = fopen(argv[2], "w");

    if (!in) {
        fprintf(stderr, "FATAL input initialization error\n");
        goto end;
    }

    if (!out) {
        fprintf(stderr, "FATAL output initialization error\n");
        goto end;
    }

    if (!dgst_test(out, in)) {
        fprintf(stderr, "FATAL digest file processing error\n");
        goto end;
    } else
        ret = 0;

 end:

    if (ret)
        do_print_errors();

    if (in && (in != stdin))
        fclose(in);
    if (out && (out != stdout))
        fclose(out);

    return ret;

}

# define SHA_TEST_MAX_BITS       102400
# define SHA_TEST_MAXLINELEN     (((SHA_TEST_MAX_BITS >> 3) * 2) + 100)

int dgst_test(FILE *out, FILE *in)
{
    const EVP_MD *md = NULL;
    char *linebuf, *olinebuf, *p, *q;
    char *keyword, *value;
    unsigned char *Msg = NULL, *Seed = NULL;
    long MsgLen = -1, Len = -1, SeedLen = -1;
    int ret = 0;
    int lnum = 0;

    olinebuf = OPENSSL_malloc(SHA_TEST_MAXLINELEN);
    linebuf = OPENSSL_malloc(SHA_TEST_MAXLINELEN);

    if (!linebuf || !olinebuf)
        goto error;

    while (fgets(olinebuf, SHA_TEST_MAXLINELEN, in)) {
        lnum++;
        strcpy(linebuf, olinebuf);
        keyword = linebuf;
        /* Skip leading space */
        while (isspace((unsigned char)*keyword))
            keyword++;

        /* Look for = sign */
        p = strchr(linebuf, '=');

        /* If no = or starts with [ (for [L=20] line) just copy */
        if (!p) {
            fputs(olinebuf, out);
            continue;
        }

        q = p - 1;

        /* Remove trailing space */
        while (isspace((unsigned char)*q))
            *q-- = 0;

        *p = 0;
        value = p + 1;

        /* Remove leading space from value */
        while (isspace((unsigned char)*value))
            value++;

        /* Remove trailing space from value */
        p = value + strlen(value) - 1;
        while (*p == '\n' || isspace((unsigned char)*p))
            *p-- = 0;

        if (!strcmp(keyword, "[L") && *p == ']') {
            switch (atoi(value)) {
            case 20:
                md = EVP_sha1();
                break;
            case 28:
                md = EVP_sha224();
                break;
            case 32:
                md = EVP_sha256();
                break;
            case 48:
                md = EVP_sha384();
                break;
            case 64:
                md = EVP_sha512();
                break;
            default:
                goto parse_error;
            }
        } else if (!strcmp(keyword, "Len")) {
            if (Len != -1)
                goto parse_error;
            Len = atoi(value);
            if (Len < 0)
                goto parse_error;
            /* Only handle multiples of 8 bits */
            if (Len & 0x7)
                goto parse_error;
            if (Len > SHA_TEST_MAX_BITS)
                goto parse_error;
            MsgLen = Len >> 3;
        }

        else if (!strcmp(keyword, "Msg")) {
            long tmplen;
            if (strlen(value) & 1)
                *(--value) = '0';
            if (Msg)
                goto parse_error;
            Msg = hex2bin_m(value, &tmplen);
            if (!Msg)
                goto parse_error;
        } else if (!strcmp(keyword, "Seed")) {
            if (strlen(value) & 1)
                *(--value) = '0';
            if (Seed)
                goto parse_error;
            Seed = hex2bin_m(value, &SeedLen);
            if (!Seed)
                goto parse_error;
        } else if (!strcmp(keyword, "MD"))
            continue;
        else
            goto parse_error;

        fputs(olinebuf, out);

        if (md && Msg && (MsgLen >= 0)) {
            if (!print_dgst(md, out, Msg, MsgLen))
                goto error;
            OPENSSL_free(Msg);
            Msg = NULL;
            MsgLen = -1;
            Len = -1;
        } else if (md && Seed && (SeedLen > 0)) {
            if (!print_monte(md, out, Seed, SeedLen))
                goto error;
            OPENSSL_free(Seed);
            Seed = NULL;
            SeedLen = -1;
        }

    }

    ret = 1;

 error:

    if (olinebuf)
        OPENSSL_free(olinebuf);
    if (linebuf)
        OPENSSL_free(linebuf);
    if (Msg)
        OPENSSL_free(Msg);
    if (Seed)
        OPENSSL_free(Seed);

    return ret;

 parse_error:

    fprintf(stderr, "FATAL parse error processing line %d\n", lnum);

    goto error;

}

static int print_dgst(const EVP_MD *emd, FILE *out,
                      unsigned char *Msg, int Msglen)
{
    int i, mdlen;
    unsigned char md[EVP_MAX_MD_SIZE];
    if (!EVP_Digest(Msg, Msglen, md, (unsigned int *)&mdlen, emd, NULL)) {
        fputs("Error calculating HASH\n", stderr);
        return 0;
    }
    fputs("MD = ", out);
    for (i = 0; i < mdlen; i++)
        fprintf(out, "%02x", md[i]);
    fputs("\n", out);
    return 1;
}

static int print_monte(const EVP_MD *md, FILE *out,
                       unsigned char *Seed, int SeedLen)
{
    unsigned int i, j, k;
    int ret = 0;
    EVP_MD_CTX ctx;
    unsigned char *m1, *m2, *m3, *p;
    unsigned int mlen, m1len, m2len, m3len;

    EVP_MD_CTX_init(&ctx);

    if (SeedLen > EVP_MAX_MD_SIZE)
        mlen = SeedLen;
    else
        mlen = EVP_MAX_MD_SIZE;

    m1 = OPENSSL_malloc(mlen);
    m2 = OPENSSL_malloc(mlen);
    m3 = OPENSSL_malloc(mlen);

    if (!m1 || !m2 || !m3)
        goto mc_error;

    m1len = m2len = m3len = SeedLen;
    memcpy(m1, Seed, SeedLen);
    memcpy(m2, Seed, SeedLen);
    memcpy(m3, Seed, SeedLen);

    fputs("\n", out);

    for (j = 0; j < 100; j++) {
        for (i = 0; i < 1000; i++) {
            EVP_DigestInit_ex(&ctx, md, NULL);
            EVP_DigestUpdate(&ctx, m1, m1len);
            EVP_DigestUpdate(&ctx, m2, m2len);
            EVP_DigestUpdate(&ctx, m3, m3len);
            p = m1;
            m1 = m2;
            m1len = m2len;
            m2 = m3;
            m2len = m3len;
            m3 = p;
            EVP_DigestFinal_ex(&ctx, m3, &m3len);
        }
        fprintf(out, "COUNT = %d\n", j);
        fputs("MD = ", out);
        for (k = 0; k < m3len; k++)
            fprintf(out, "%02x", m3[k]);
        fputs("\n\n", out);
        memcpy(m1, m3, m3len);
        memcpy(m2, m3, m3len);
        m1len = m2len = m3len;
    }

    ret = 1;

 mc_error:
    if (m1)
        OPENSSL_free(m1);
    if (m2)
        OPENSSL_free(m2);
    if (m3)
        OPENSSL_free(m3);

    EVP_MD_CTX_cleanup(&ctx);

    return ret;
}

#endif

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