| Index: openssl/fips/dh/fips_dh_check.c
|
| ===================================================================
|
| --- openssl/fips/dh/fips_dh_check.c (revision 105093)
|
| +++ openssl/fips/dh/fips_dh_check.c (working copy)
|
| @@ -1,147 +0,0 @@
|
| -/* crypto/dh/dh_check.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 <openssl/bn.h>
|
| -#include <openssl/dh.h>
|
| -#include <openssl/err.h>
|
| -#include <openssl/fips.h>
|
| -
|
| -/* Check that p is a safe prime and
|
| - * if g is 2, 3 or 5, check that is is a suitable generator
|
| - * where
|
| - * for 2, p mod 24 == 11
|
| - * for 3, p mod 12 == 5
|
| - * for 5, p mod 10 == 3 or 7
|
| - * should hold.
|
| - */
|
| -
|
| -#ifdef OPENSSL_FIPS
|
| -
|
| -int DH_check(const DH *dh, int *ret)
|
| - {
|
| - int ok=0;
|
| - BN_CTX *ctx=NULL;
|
| - BN_ULONG l;
|
| - BIGNUM *q=NULL;
|
| -
|
| - *ret=0;
|
| - ctx=BN_CTX_new();
|
| - if (ctx == NULL) goto err;
|
| - q=BN_new();
|
| - if (q == NULL) goto err;
|
| -
|
| - if (BN_is_word(dh->g,DH_GENERATOR_2))
|
| - {
|
| - l=BN_mod_word(dh->p,24);
|
| - if (l != 11) *ret|=DH_NOT_SUITABLE_GENERATOR;
|
| - }
|
| -#if 0
|
| - else if (BN_is_word(dh->g,DH_GENERATOR_3))
|
| - {
|
| - l=BN_mod_word(dh->p,12);
|
| - if (l != 5) *ret|=DH_NOT_SUITABLE_GENERATOR;
|
| - }
|
| -#endif
|
| - else if (BN_is_word(dh->g,DH_GENERATOR_5))
|
| - {
|
| - l=BN_mod_word(dh->p,10);
|
| - if ((l != 3) && (l != 7))
|
| - *ret|=DH_NOT_SUITABLE_GENERATOR;
|
| - }
|
| - else
|
| - *ret|=DH_UNABLE_TO_CHECK_GENERATOR;
|
| -
|
| - if (!BN_is_prime_ex(dh->p,BN_prime_checks,ctx,NULL))
|
| - *ret|=DH_CHECK_P_NOT_PRIME;
|
| - else
|
| - {
|
| - if (!BN_rshift1(q,dh->p)) goto err;
|
| - if (!BN_is_prime_ex(q,BN_prime_checks,ctx,NULL))
|
| - *ret|=DH_CHECK_P_NOT_SAFE_PRIME;
|
| - }
|
| - ok=1;
|
| -err:
|
| - if (ctx != NULL) BN_CTX_free(ctx);
|
| - if (q != NULL) BN_free(q);
|
| - return(ok);
|
| - }
|
| -
|
| -int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret)
|
| - {
|
| - int ok=0;
|
| - BIGNUM *q=NULL;
|
| -
|
| - *ret=0;
|
| - q=BN_new();
|
| - if (q == NULL) goto err;
|
| - BN_set_word(q,1);
|
| - if (BN_cmp(pub_key,q) <= 0)
|
| - *ret|=DH_CHECK_PUBKEY_TOO_SMALL;
|
| - BN_copy(q,dh->p);
|
| - BN_sub_word(q,1);
|
| - if (BN_cmp(pub_key,q) >= 0)
|
| - *ret|=DH_CHECK_PUBKEY_TOO_LARGE;
|
| -
|
| - ok = 1;
|
| -err:
|
| - if (q != NULL) BN_free(q);
|
| - return(ok);
|
| - }
|
| -
|
| -#endif
|
|
|