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 |