Add missing files.

This commit is contained in:
Dr. Stephen Henson 2008-09-16 22:54:30 +00:00
parent bbefea3387
commit 9b809d6278
2 changed files with 527 additions and 0 deletions

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crypto/bn/bn_x931p.c Normal file
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/* bn_x931p.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 <openssl/bn.h>
/* X9.31 routines for prime derivation */
/* X9.31 prime derivation. This is used to generate the primes pi
* (p1, p2, q1, q2) from a parameter Xpi by checking successive odd
* integers.
*/
static int bn_x931_derive_pi(BIGNUM *pi, const BIGNUM *Xpi, BN_CTX *ctx,
BN_GENCB *cb)
{
int i = 0;
if (!BN_copy(pi, Xpi))
return 0;
if (!BN_is_odd(pi) && !BN_add_word(pi, 1))
return 0;
for(;;)
{
i++;
BN_GENCB_call(cb, 0, i);
/* NB 27 MR is specificed in X9.31 */
if (BN_is_prime_fasttest_ex(pi, 27, ctx, 1, cb))
break;
if (!BN_add_word(pi, 2))
return 0;
}
BN_GENCB_call(cb, 2, i);
return 1;
}
/* This is the main X9.31 prime derivation function. From parameters
* Xp1, Xp2 and Xp derive the prime p. If the parameters p1 or p2 are
* not NULL they will be returned too: this is needed for testing.
*/
int BN_X931_derive_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
const BIGNUM *Xp, const BIGNUM *Xp1, const BIGNUM *Xp2,
const BIGNUM *e, BN_CTX *ctx, BN_GENCB *cb)
{
int ret = 0;
BIGNUM *t, *p1p2, *pm1;
/* Only even e supported */
if (!BN_is_odd(e))
return 0;
BN_CTX_start(ctx);
if (!p1)
p1 = BN_CTX_get(ctx);
if (!p2)
p2 = BN_CTX_get(ctx);
t = BN_CTX_get(ctx);
p1p2 = BN_CTX_get(ctx);
pm1 = BN_CTX_get(ctx);
if (!bn_x931_derive_pi(p1, Xp1, ctx, cb))
goto err;
if (!bn_x931_derive_pi(p2, Xp2, ctx, cb))
goto err;
if (!BN_mul(p1p2, p1, p2, ctx))
goto err;
/* First set p to value of Rp */
if (!BN_mod_inverse(p, p2, p1, ctx))
goto err;
if (!BN_mul(p, p, p2, ctx))
goto err;
if (!BN_mod_inverse(t, p1, p2, ctx))
goto err;
if (!BN_mul(t, t, p1, ctx))
goto err;
if (!BN_sub(p, p, t))
goto err;
if (p->neg && !BN_add(p, p, p1p2))
goto err;
/* p now equals Rp */
if (!BN_mod_sub(p, p, Xp, p1p2, ctx))
goto err;
if (!BN_add(p, p, Xp))
goto err;
/* p now equals Yp0 */
for (;;)
{
int i = 1;
BN_GENCB_call(cb, 0, i++);
if (!BN_copy(pm1, p))
goto err;
if (!BN_sub_word(pm1, 1))
goto err;
if (!BN_gcd(t, pm1, e, ctx))
goto err;
if (BN_is_one(t)
/* X9.31 specifies 8 MR and 1 Lucas test or any prime test
* offering similar or better guarantees 50 MR is considerably
* better.
*/
&& BN_is_prime_fasttest_ex(p, 50, ctx, 1, cb))
break;
if (!BN_add(p, p, p1p2))
goto err;
}
BN_GENCB_call(cb, 3, 0);
ret = 1;
err:
BN_CTX_end(ctx);
return ret;
}
/* Generate pair of paramters Xp, Xq for X9.31 prime generation.
* Note: nbits paramter is sum of number of bits in both.
*/
int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx)
{
BIGNUM *t;
int i;
/* Number of bits for each prime is of the form
* 512+128s for s = 0, 1, ...
*/
if ((nbits < 1024) || (nbits & 0xff))
return 0;
nbits >>= 1;
/* The random value Xp must be between sqrt(2) * 2^(nbits-1) and
* 2^nbits - 1. By setting the top two bits we ensure that the lower
* bound is exceeded.
*/
if (!BN_rand(Xp, nbits, 1, 0))
return 0;
BN_CTX_start(ctx);
t = BN_CTX_get(ctx);
for (i = 0; i < 1000; i++)
{
if (!BN_rand(Xq, nbits, 1, 0))
return 0;
/* Check that |Xp - Xq| > 2^(nbits - 100) */
BN_sub(t, Xp, Xq);
if (BN_num_bits(t) > (nbits - 100))
break;
}
BN_CTX_end(ctx);
if (i < 1000)
return 1;
return 0;
}
/* Generate primes using X9.31 algorithm. Of the values p, p1, p2, Xp1
* and Xp2 only 'p' needs to be non-NULL. If any of the others are not NULL
* the relevant parameter will be stored in it.
*
* Due to the fact that |Xp - Xq| > 2^(nbits - 100) must be satisfied Xp and Xq
* are generated using the previous function and supplied as input.
*/
int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
BIGNUM *Xp1, BIGNUM *Xp2,
const BIGNUM *Xp,
const BIGNUM *e, BN_CTX *ctx,
BN_GENCB *cb)
{
int ret = 0;
BN_CTX_start(ctx);
if (!Xp1)
Xp1 = BN_CTX_get(ctx);
if (!Xp2)
Xp2 = BN_CTX_get(ctx);
if (!BN_rand(Xp1, 101, 0, 0))
goto error;
if (!BN_rand(Xp2, 101, 0, 0))
goto error;
if (!BN_X931_derive_prime_ex(p, p1, p2, Xp, Xp1, Xp2, e, ctx, cb))
goto error;
ret = 1;
error:
BN_CTX_end(ctx);
return ret;
}

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crypto/rsa/rsa_x931g.c Normal file
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/* crypto/rsa/rsa_gen.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 <time.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/rsa.h>
#ifndef OPENSSL_FIPS
/* X9.31 RSA key derivation and generation */
int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1, BIGNUM *q2,
const BIGNUM *Xp1, const BIGNUM *Xp2, const BIGNUM *Xp,
const BIGNUM *Xq1, const BIGNUM *Xq2, const BIGNUM *Xq,
const BIGNUM *e, BN_GENCB *cb)
{
BIGNUM *r0=NULL,*r1=NULL,*r2=NULL,*r3=NULL;
BN_CTX *ctx=NULL,*ctx2=NULL;
if (!rsa)
goto err;
ctx = BN_CTX_new();
BN_CTX_start(ctx);
if (!ctx)
goto err;
r0 = BN_CTX_get(ctx);
r1 = BN_CTX_get(ctx);
r2 = BN_CTX_get(ctx);
r3 = BN_CTX_get(ctx);
if (r3 == NULL)
goto err;
if (!rsa->e)
{
rsa->e = BN_dup(e);
if (!rsa->e)
goto err;
}
else
e = rsa->e;
/* If not all parameters present only calculate what we can.
* This allows test programs to output selective parameters.
*/
if (Xp && !rsa->p)
{
rsa->p = BN_new();
if (!rsa->p)
goto err;
if (!BN_X931_derive_prime_ex(rsa->p, p1, p2,
Xp, Xp1, Xp2, e, ctx, cb))
goto err;
}
if (Xq && !rsa->q)
{
rsa->q = BN_new();
if (!rsa->q)
goto err;
if (!BN_X931_derive_prime_ex(rsa->q, q1, q2,
Xq, Xq1, Xq2, e, ctx, cb))
goto err;
}
if (!rsa->p || !rsa->q)
{
BN_CTX_end(ctx);
BN_CTX_free(ctx);
return 2;
}
/* Since both primes are set we can now calculate all remaining
* components.
*/
/* calculate n */
rsa->n=BN_new();
if (rsa->n == NULL)
goto err;
if (!BN_mul(rsa->n,rsa->p,rsa->q,ctx))
goto err;
/* calculate d */
if (!BN_sub(r1,rsa->p,BN_value_one()))
goto err; /* p-1 */
if (!BN_sub(r2,rsa->q,BN_value_one()))
goto err; /* q-1 */
if (!BN_mul(r0,r1,r2,ctx))
goto err; /* (p-1)(q-1) */
if (!BN_gcd(r3, r1, r2, ctx))
goto err;
if (!BN_div(r0, NULL, r0, r3, ctx))
goto err; /* LCM((p-1)(q-1)) */
ctx2 = BN_CTX_new();
if (!ctx2)
goto err;
rsa->d=BN_mod_inverse(NULL,rsa->e,r0,ctx2); /* d */
if (rsa->d == NULL)
goto err;
/* calculate d mod (p-1) */
rsa->dmp1=BN_new();
if (rsa->dmp1 == NULL)
goto err;
if (!BN_mod(rsa->dmp1,rsa->d,r1,ctx))
goto err;
/* calculate d mod (q-1) */
rsa->dmq1=BN_new();
if (rsa->dmq1 == NULL)
goto err;
if (!BN_mod(rsa->dmq1,rsa->d,r2,ctx))
goto err;
/* calculate inverse of q mod p */
rsa->iqmp=BN_mod_inverse(NULL,rsa->q,rsa->p,ctx2);
err:
if (ctx)
{
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
if (ctx2)
BN_CTX_free(ctx2);
/* If this is set all calls successful */
if (rsa->iqmp != NULL)
return 1;
return 0;
}
int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e, BN_GENCB *cb)
{
int ok = 0;
BIGNUM *Xp = NULL, *Xq = NULL;
BN_CTX *ctx = NULL;
ctx = BN_CTX_new();
if (!ctx)
goto error;
BN_CTX_start(ctx);
Xp = BN_CTX_get(ctx);
Xq = BN_CTX_get(ctx);
if (!BN_X931_generate_Xpq(Xp, Xq, bits, ctx))
goto error;
rsa->p = BN_new();
rsa->q = BN_new();
if (!rsa->p || !rsa->q)
goto error;
/* Generate two primes from Xp, Xq */
if (!BN_X931_generate_prime_ex(rsa->p, NULL, NULL, NULL, NULL, Xp,
e, ctx, cb))
goto error;
if (!BN_X931_generate_prime_ex(rsa->q, NULL, NULL, NULL, NULL, Xq,
e, ctx, cb))
goto error;
/* Since rsa->p and rsa->q are valid this call will just derive
* remaining RSA components.
*/
if (!RSA_X931_derive_ex(rsa, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, e, cb))
goto error;
ok = 1;
error:
if (ctx)
{
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
if (ok)
return 1;
return 0;
}
#endif