tobi/M7350
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

M7350v7_en_gpl

Browse Source
This commit is contained in:
T
2024-09-09 08:59:52 +00:00
parent f75098198c
commit 46ba6f09ec
1372 changed files with 1231198 additions and 1184 deletions
Download Patch File Download Diff File Expand all files Collapse all files

142
wlan/8192es/DriverSrcPkg/Users/wsc/portingssl/crypto/dh/dh_check.c Executable file
View File

@ -0,0 +1,142 @@
/* 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 "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/dh.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.
*/
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);
}

186
wlan/8192es/DriverSrcPkg/Users/wsc/portingssl/crypto/dh/dh_gen.c Executable file
View File

@ -0,0 +1,186 @@
/* crypto/dh/dh_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.]
*/
/* NB: These functions have been upgraded - the previous prototypes are in
* dh_depr.c as wrappers to these ones.
* - Geoff
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/dh.h>
static int dh_builtin_genparams(DH *ret, int prime_len, int generator, BN_GENCB *cb);
int DH_generate_parameters_ex(DH *ret, int prime_len, int generator, BN_GENCB *cb)
{
if(ret->meth->generate_params)
return ret->meth->generate_params(ret, prime_len, generator, cb);
return dh_builtin_genparams(ret, prime_len, generator, cb);
}
/* We generate DH parameters as follows
* find a prime q which is prime_len/2 bits long.
* p=(2*q)+1 or (p-1)/2 = q
* For this case, g is a generator if
* g^((p-1)/q) mod p != 1 for values of q which are the factors of p-1.
* Since the factors of p-1 are q and 2, we just need to check
* g^2 mod p != 1 and g^q mod p != 1.
*
* Having said all that,
* there is another special case method for the generators 2, 3 and 5.
* for 2, p mod 24 == 11
* for 3, p mod 12 == 5 <<<<< does not work for safe primes.
* for 5, p mod 10 == 3 or 7
*
* Thanks to Phil Karn <karn@qualcomm.com> for the pointers about the
* special generators and for answering some of my questions.
*
* I've implemented the second simple method :-).
* Since DH should be using a safe prime (both p and q are prime),
* this generator function can take a very very long time to run.
*/
/* Actually there is no reason to insist that 'generator' be a generator.
* It's just as OK (and in some sense better) to use a generator of the
* order-q subgroup.
*/
static int dh_builtin_genparams(DH *ret, int prime_len, int generator, BN_GENCB *cb)
{
BIGNUM *t1,*t2;
int g,ok= -1;
BN_CTX *ctx=NULL;
ctx=BN_CTX_new();
if (ctx == NULL) goto err;
BN_CTX_start(ctx);
t1 = BN_CTX_get(ctx);
t2 = BN_CTX_get(ctx);
if (t1 == NULL || t2 == NULL) goto err;
/* Make sure 'ret' has the necessary elements */
if(!ret->p && ((ret->p = BN_new()) == NULL)) goto err;
if(!ret->g && ((ret->g = BN_new()) == NULL)) goto err;
if (generator <= 1)
{
/*Begin: comment out , 17Aug2006, Chris */
#if 0
DHerr(DH_F_DH_BUILTIN_GENPARAMS, DH_R_BAD_GENERATOR);
#endif
/*End: comment out , 17Aug2006, Chris */
goto err;
}
if (generator == DH_GENERATOR_2)
{
if (!BN_set_word(t1,24)) goto err;
if (!BN_set_word(t2,11)) goto err;
g=2;
}
#if 0 /* does not work for safe primes */
else if (generator == DH_GENERATOR_3)
{
if (!BN_set_word(t1,12)) goto err;
if (!BN_set_word(t2,5)) goto err;
g=3;
}
#endif
else if (generator == DH_GENERATOR_5)
{
if (!BN_set_word(t1,10)) goto err;
if (!BN_set_word(t2,3)) goto err;
/* BN_set_word(t3,7); just have to miss
* out on these ones :-( */
g=5;
}
else
{
/* in the general case, don't worry if 'generator' is a
* generator or not: since we are using safe primes,
* it will generate either an order-q or an order-2q group,
* which both is OK */
if (!BN_set_word(t1,2)) goto err;
if (!BN_set_word(t2,1)) goto err;
g=generator;
}
if(prime_len==3072)
get_rfc3526_prime_3072(ret->p);
else
if(!BN_generate_prime_ex(ret->p,prime_len,1,t1,t2,cb)) goto err;
if(!BN_GENCB_call(cb, 3, 0)) goto err;
if (!BN_set_word(ret->g,g)) goto err;
ok=1;
err:
if (ok == -1)
{
/*Begin: comment out , 17Aug2006, Chris */
#if 0
DHerr(DH_F_DH_BUILTIN_GENPARAMS,ERR_R_BN_LIB);
#endif
/*End: comment out , 17Aug2006, Chris */
ok=0;
}
if (ctx != NULL)
{
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
return ok;
}

272
wlan/8192es/DriverSrcPkg/Users/wsc/portingssl/crypto/dh/dh_key.c Executable file
View File

@ -0,0 +1,272 @@
/* crypto/dh/dh_key.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 "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/dh.h>
static int generate_key(DH *dh);
static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh);
static int dh_bn_mod_exp(const DH *dh, BIGNUM *r,
const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx);
static int dh_init(DH *dh);
static int dh_finish(DH *dh);
int DH_generate_key(DH *dh)
{
return dh->meth->generate_key(dh);
}
int DH_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
{
return dh->meth->compute_key(key, pub_key, dh);
}
static DH_METHOD dh_ossl = {
"OpenSSL DH Method",
generate_key,
compute_key,
dh_bn_mod_exp,
dh_init,
dh_finish,
0,
NULL,
NULL
};
const DH_METHOD *DH_OpenSSL(void)
{
return &dh_ossl;
}
static int generate_key(DH *dh)
{
int ok=0;
int generate_new_key=0;
unsigned l;
BN_CTX *ctx;
BN_MONT_CTX *mont=NULL;
BIGNUM *pub_key=NULL,*priv_key=NULL;
ctx = BN_CTX_new();
if (ctx == NULL) goto err;
if (dh->priv_key == NULL)
{
priv_key=BN_new();
if (priv_key == NULL) goto err;
generate_new_key=1;
}
else
priv_key=dh->priv_key;
if (dh->pub_key == NULL)
{
pub_key=BN_new();
if (pub_key == NULL) goto err;
}
else
pub_key=dh->pub_key;
if (dh->flags & DH_FLAG_CACHE_MONT_P)
{
mont = BN_MONT_CTX_set_locked(&dh->method_mont_p,
CRYPTO_LOCK_DH, dh->p, ctx);
if (!mont)
goto err;
}
if (generate_new_key)
{
l = dh->length ? dh->length : BN_num_bits(dh->p)-1; /* secret exponent length */
if (!BN_rand(priv_key, l, 0, 0)) goto err;
}
{
BIGNUM local_prk;
BIGNUM *prk;
if ((dh->flags & DH_FLAG_NO_EXP_CONSTTIME) == 0)
{
BN_init(&local_prk);
prk = &local_prk;
BN_with_flags(prk, priv_key, BN_FLG_EXP_CONSTTIME);
}
else
prk = priv_key;
if (!dh->meth->bn_mod_exp(dh, pub_key, dh->g, prk, dh->p, ctx, mont)) goto err;
}
dh->pub_key=pub_key;
dh->priv_key=priv_key;
ok=1;
err:
/*Begin: comment out , 17Aug2006, Chris */
#if 0
if (ok != 1)
DHerr(DH_F_GENERATE_KEY,ERR_R_BN_LIB);
#endif
/*End: comment out , 17Aug2006, Chris */
if ((pub_key != NULL) && (dh->pub_key == NULL)) BN_free(pub_key);
if ((priv_key != NULL) && (dh->priv_key == NULL)) BN_free(priv_key);
BN_CTX_free(ctx);
return(ok);
}
static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
{
BN_CTX *ctx;
BN_MONT_CTX *mont=NULL;
BIGNUM *tmp;
int ret= -1;
int check_result;
ctx = BN_CTX_new();
if (ctx == NULL) goto err;
BN_CTX_start(ctx);
tmp = BN_CTX_get(ctx);
if (dh->priv_key == NULL)
{
/*Begin: comment out , 17Aug2006, Chris */
#if 0
DHerr(DH_F_COMPUTE_KEY,DH_R_NO_PRIVATE_VALUE);
#endif
/*End: comment out , 17Aug2006, Chris */
goto err;
}
if (dh->flags & DH_FLAG_CACHE_MONT_P)
{
mont = BN_MONT_CTX_set_locked(&dh->method_mont_p,
CRYPTO_LOCK_DH, dh->p, ctx);
if ((dh->flags & DH_FLAG_NO_EXP_CONSTTIME) == 0)
{
/* XXX */
BN_set_flags(dh->priv_key, BN_FLG_EXP_CONSTTIME);
}
if (!mont)
goto err;
}
if (!DH_check_pub_key(dh, pub_key, &check_result) || check_result)
{
/*Begin: comment out , 17Aug2006, Chris */
#if 0
DHerr(DH_F_COMPUTE_KEY,DH_R_INVALID_PUBKEY);
#endif
/*End: comment out , 17Aug2006, Chris */
goto err;
}
if (!dh->meth->bn_mod_exp(dh, tmp, pub_key, dh->priv_key,dh->p,ctx,mont))
{
/*Begin: comment out , 17Aug2006, Chris */
#if 0
DHerr(DH_F_COMPUTE_KEY,ERR_R_BN_LIB);
#endif
/*End: comment out , 17Aug2006, Chris */
goto err;
}
ret=BN_bn2bin(tmp,key);
err:
if (ctx != NULL)
{
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
return(ret);
}
static int dh_bn_mod_exp(const DH *dh, BIGNUM *r,
const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx)
{
/* If a is only one word long and constant time is false, use the faster
* exponenentiation function.
*/
if (a->top == 1 && ((dh->flags & DH_FLAG_NO_EXP_CONSTTIME) != 0))
{
BN_ULONG A = a->d[0];
return BN_mod_exp_mont_word(r,A,p,m,ctx,m_ctx);
}
else
return BN_mod_exp_mont(r,a,p,m,ctx,m_ctx);
}
static int dh_init(DH *dh)
{
dh->flags |= DH_FLAG_CACHE_MONT_P;
return(1);
}
static int dh_finish(DH *dh)
{
if(dh->method_mont_p)
BN_MONT_CTX_free(dh->method_mont_p);
return(1);
}

265
wlan/8192es/DriverSrcPkg/Users/wsc/portingssl/crypto/dh/dh_lib.c Executable file
View File

@ -0,0 +1,265 @@
/* crypto/dh/dh_lib.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 "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/dh.h>
#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif
const char *DH_version="Diffie-Hellman" OPENSSL_VERSION_PTEXT;
static const DH_METHOD *default_DH_method = NULL;
void DH_set_default_method(const DH_METHOD *meth)
{
default_DH_method = meth;
}
const DH_METHOD *DH_get_default_method(void)
{
if(!default_DH_method)
default_DH_method = DH_OpenSSL();
return default_DH_method;
}
int DH_set_method(DH *dh, const DH_METHOD *meth)
{
/* NB: The caller is specifically setting a method, so it's not up to us
* to deal with which ENGINE it comes from. */
const DH_METHOD *mtmp;
mtmp = dh->meth;
if (mtmp->finish) mtmp->finish(dh);
#ifndef OPENSSL_NO_ENGINE
if (dh->engine)
{
ENGINE_finish(dh->engine);
dh->engine = NULL;
}
#endif
dh->meth = meth;
if (meth->init) meth->init(dh);
return 1;
}
DH *DH_new(void)
{
return DH_new_method(NULL);
}
DH *DH_new_method(ENGINE *engine)
{
DH *ret;
ret=(DH *)OPENSSL_malloc(sizeof(DH));
if (ret == NULL)
{printf("<<-----------------%s %d------------------>>\n", __FUNCTION__, __LINE__);
/*Begin: comment out , 17Aug2006, Chris */
#if 0
DHerr(DH_F_DH_NEW_METHOD,ERR_R_MALLOC_FAILURE);
#endif
/*End: comment out , 17Aug2006, Chris */
return(NULL);
}
ret->meth = DH_get_default_method();
#ifndef OPENSSL_NO_ENGINE
if (engine)
{
if (!ENGINE_init(engine))
{
DHerr(DH_F_DH_NEW_METHOD, ERR_R_ENGINE_LIB);
OPENSSL_free(ret);
return NULL;
}
ret->engine = engine;
}
else
ret->engine = ENGINE_get_default_DH();
if(ret->engine)
{
ret->meth = ENGINE_get_DH(ret->engine);
if(!ret->meth)
{
DHerr(DH_F_DH_NEW_METHOD,ERR_R_ENGINE_LIB);
ENGINE_finish(ret->engine);
OPENSSL_free(ret);
return NULL;
}
}
#endif
ret->pad=0;
ret->version=0;
ret->p=NULL;
ret->g=NULL;
ret->length=0;
ret->pub_key=NULL;
ret->priv_key=NULL;
ret->q=NULL;
ret->j=NULL;
ret->seed = NULL;
ret->seedlen = 0;
ret->counter = NULL;
ret->method_mont_p=NULL;
ret->references = 1;
ret->flags=ret->meth->flags;
/*Begin: comment out , 17Aug2006, Chris */
#if 0
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data);
#endif
/*End: comment out , 17Aug2006, Chris */
if ((ret->meth->init != NULL) && !ret->meth->init(ret))
{
#ifndef OPENSSL_NO_ENGINE
if (ret->engine)
ENGINE_finish(ret->engine);
#endif
/*Begin: comment out , 17Aug2006, Chris */
#if 0
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data);
#endif
/*End: comment out , 17Aug2006, Chris */
OPENSSL_free(ret);
printf("<<-----------------%s %d------------------>>\n", __FUNCTION__, __LINE__);
ret=NULL;
}
return(ret);
}
void DH_free(DH *r)
{
int i;
if(r == NULL) return;
i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_DH);
#ifdef REF_PRINT
REF_PRINT("DH",r);
#endif
if (i > 0) return;
#ifdef REF_CHECK
if (i < 0)
{
fprintf(stderr,"DH_free, bad reference count\n");
abort();
}
#endif
if (r->meth->finish)
r->meth->finish(r);
#ifndef OPENSSL_NO_ENGINE
if (r->engine)
ENGINE_finish(r->engine);
#endif
/*Begin: comment out , 17Aug2006, Chris */
#if 0
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, r, &r->ex_data);
#endif
/*End: comment out , 17Aug2006, Chris */
if (r->p != NULL) BN_clear_free(r->p);
if (r->g != NULL) BN_clear_free(r->g);
if (r->q != NULL) BN_clear_free(r->q);
if (r->j != NULL) BN_clear_free(r->j);
if (r->seed) OPENSSL_free(r->seed);
if (r->counter != NULL) BN_clear_free(r->counter);
if (r->pub_key != NULL) BN_clear_free(r->pub_key);
if (r->priv_key != NULL) BN_clear_free(r->priv_key);
OPENSSL_free(r);
}
int DH_up_ref(DH *r)
{
int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DH);
#ifdef REF_PRINT
REF_PRINT("DH",r);
#endif
#ifdef REF_CHECK
if (i < 2)
{
fprintf(stderr, "DH_up, bad reference count\n");
abort();
}
#endif
return ((i > 1) ? 1 : 0);
}
/*Begin: comment out , 17Aug2006, Chris */
#if 0
int DH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DH, argl, argp,
new_func, dup_func, free_func);
}
int DH_set_ex_data(DH *d, int idx, void *arg)
{
return(CRYPTO_set_ex_data(&d->ex_data,idx,arg));
}
void *DH_get_ex_data(DH *d, int idx)
{
return(CRYPTO_get_ex_data(&d->ex_data,idx));
}
#endif
/*End: comment out , 17Aug2006, Chris */
int DH_size(const DH *dh)
{
return(BN_num_bytes(dh->p));
}