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fips_rsagtest.c

/* fips_rsagtest.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 2005.
 */
/* ====================================================================
 * Copyright (c) 2005,2007 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/hmac.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 RSA support\n");
    return(0);
}

#else

#include <openssl/rsa.h>
#include "fips_utl.h"

int rsa_test(FILE *out, FILE *in);
static int rsa_printkey1(FILE *out, RSA *rsa,
            BIGNUM *Xp1, BIGNUM *Xp2, BIGNUM *Xp,
            BIGNUM *e);
static int rsa_printkey2(FILE *out, RSA *rsa,
            BIGNUM *Xq1, BIGNUM *Xq2, BIGNUM *Xq);

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 (!rsa_test(out, in))
            {
            fprintf(stderr, "FATAL RSAGTEST 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 RSA_TEST_MAXLINELEN   10240

int rsa_test(FILE *out, FILE *in)
      {
      char *linebuf, *olinebuf, *p, *q;
      char *keyword, *value;
      RSA *rsa = NULL;
      BIGNUM *Xp1 = NULL, *Xp2 = NULL, *Xp = NULL;
      BIGNUM *Xq1 = NULL, *Xq2 = NULL, *Xq = NULL;
      BIGNUM *e = NULL;
      int ret = 0;
      int lnum = 0;

      olinebuf = OPENSSL_malloc(RSA_TEST_MAXLINELEN);
      linebuf = OPENSSL_malloc(RSA_TEST_MAXLINELEN);

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

      while (fgets(olinebuf, RSA_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 [foo = bar] line) just copy */
            if (!p || *keyword=='[')
                  {
                  if (fputs(olinebuf, out) < 0)
                        goto error;
                  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, "xp1"))
                  {
                  if (Xp1 || !do_hex2bn(&Xp1,value))
                        goto parse_error;
                  }
            else if (!strcmp(keyword, "xp2"))
                  {
                  if (Xp2 || !do_hex2bn(&Xp2,value))
                        goto parse_error;
                  }
            else if (!strcmp(keyword, "Xp"))
                  {
                  if (Xp || !do_hex2bn(&Xp,value))
                        goto parse_error;
                  }
            else if (!strcmp(keyword, "xq1"))
                  {
                  if (Xq1 || !do_hex2bn(&Xq1,value))
                        goto parse_error;
                  }
            else if (!strcmp(keyword, "xq2"))
                  {
                  if (Xq2 || !do_hex2bn(&Xq2,value))
                        goto parse_error;
                  }
            else if (!strcmp(keyword, "Xq"))
                  {
                  if (Xq || !do_hex2bn(&Xq,value))
                        goto parse_error;
                  }
            else if (!strcmp(keyword, "e"))
                  {
                  if (e || !do_hex2bn(&e,value))
                        goto parse_error;
                  }
            else if (!strcmp(keyword, "p1"))
                  continue;
            else if (!strcmp(keyword, "p2"))
                  continue;
            else if (!strcmp(keyword, "p"))
                  continue;
            else if (!strcmp(keyword, "q1"))
                  continue;
            else if (!strcmp(keyword, "q2"))
                  continue;
            else if (!strcmp(keyword, "q"))
                  continue;
            else if (!strcmp(keyword, "n"))
                  continue;
            else if (!strcmp(keyword, "d"))
                  continue;
            else
                  goto parse_error;

            fputs(olinebuf, out);

            if (e && Xp1 && Xp2 && Xp)
                  {
                  rsa = FIPS_rsa_new();
                  if (!rsa)
                        goto error;
                  if (!rsa_printkey1(out, rsa, Xp1, Xp2, Xp, e))
                        goto error;
                  BN_free(Xp1);
                  Xp1 = NULL;
                  BN_free(Xp2);
                  Xp2 = NULL;
                  BN_free(Xp);
                  Xp = NULL;
                  BN_free(e);
                  e = NULL;
                  }

            if (rsa && Xq1 && Xq2 && Xq)
                  {
                  if (!rsa_printkey2(out, rsa, Xq1, Xq2, Xq))
                        goto error;
                  BN_free(Xq1);
                  Xq1 = NULL;
                  BN_free(Xq2);
                  Xq2 = NULL;
                  BN_free(Xq);
                  Xq = NULL;
                  FIPS_rsa_free(rsa);
                  rsa = NULL;
                  }
            }

      ret = 1;

      error:

      if (olinebuf)
            OPENSSL_free(olinebuf);
      if (linebuf)
            OPENSSL_free(linebuf);

      if (Xp1)
            BN_free(Xp1);
      if (Xp2)
            BN_free(Xp2);
      if (Xp)
            BN_free(Xp);
      if (Xq1)
            BN_free(Xq1);
      if (Xq1)
            BN_free(Xq1);
      if (Xq2)
            BN_free(Xq2);
      if (Xq)
            BN_free(Xq);
      if (e)
            BN_free(e);
      if (rsa)
            FIPS_rsa_free(rsa);

      return ret;

      parse_error:

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

      goto error;

      }

static int rsa_printkey1(FILE *out, RSA *rsa,
            BIGNUM *Xp1, BIGNUM *Xp2, BIGNUM *Xp,
            BIGNUM *e)
      {
      int ret = 0;
      BIGNUM *p1 = NULL, *p2 = NULL;
      p1 = BN_new();
      p2 = BN_new();
      if (!p1 || !p2)
            goto error;

      if (!RSA_X931_derive_ex(rsa, p1, p2, NULL, NULL, Xp1, Xp2, Xp,
                                    NULL, NULL, NULL, e, NULL))
            goto error;

      do_bn_print_name(out, "p1", p1);
      do_bn_print_name(out, "p2", p2);
      do_bn_print_name(out, "p", rsa->p);

      ret = 1;

      error:
      if (p1)
            BN_free(p1);
      if (p2)
            BN_free(p2);

      return ret;
      }

static int rsa_printkey2(FILE *out, RSA *rsa,
            BIGNUM *Xq1, BIGNUM *Xq2, BIGNUM *Xq)
      {
      int ret = 0;
      BIGNUM *q1 = NULL, *q2 = NULL;
      q1 = BN_new();
      q2 = BN_new();
      if (!q1 || !q2)
            goto error;

      if (!RSA_X931_derive_ex(rsa, NULL, NULL, q1, q2, NULL, NULL, NULL,
                                    Xq1, Xq2, Xq, NULL, NULL))
            goto error;

      do_bn_print_name(out, "q1", q1);
      do_bn_print_name(out, "q2", q2);
      do_bn_print_name(out, "q", rsa->q);
      do_bn_print_name(out, "n", rsa->n);
      do_bn_print_name(out, "d", rsa->d);

      ret = 1;

      error:
      if (q1)
            BN_free(q1);
      if (q2)
            BN_free(q2);

      return ret;
      }

#endif

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