11cb0ef41Sopenharmony_ci/*
21cb0ef41Sopenharmony_ci * Copyright 2011-2021 The OpenSSL Project Authors. All Rights Reserved.
31cb0ef41Sopenharmony_ci *
41cb0ef41Sopenharmony_ci * Licensed under the Apache License 2.0 (the "License").  You may not use
51cb0ef41Sopenharmony_ci * this file except in compliance with the License.  You can obtain a copy
61cb0ef41Sopenharmony_ci * in the file LICENSE in the source distribution or at
71cb0ef41Sopenharmony_ci * https://www.openssl.org/source/license.html
81cb0ef41Sopenharmony_ci */
91cb0ef41Sopenharmony_ci
101cb0ef41Sopenharmony_ci/*
111cb0ef41Sopenharmony_ci * DH low level APIs are deprecated for public use, but still ok for
121cb0ef41Sopenharmony_ci * internal use.
131cb0ef41Sopenharmony_ci */
141cb0ef41Sopenharmony_ci#include "internal/deprecated.h"
151cb0ef41Sopenharmony_ci
161cb0ef41Sopenharmony_ci#include <stdio.h>
171cb0ef41Sopenharmony_ci#include "internal/cryptlib.h"
181cb0ef41Sopenharmony_ci#include "dh_local.h"
191cb0ef41Sopenharmony_ci#include <openssl/bn.h>
201cb0ef41Sopenharmony_ci#include "crypto/bn_dh.h"
211cb0ef41Sopenharmony_ci
221cb0ef41Sopenharmony_ci/*
231cb0ef41Sopenharmony_ci * Macro to make a DH structure from BIGNUM data. NB: although just copying
241cb0ef41Sopenharmony_ci * the BIGNUM static pointers would be more efficient, we can't do that
251cb0ef41Sopenharmony_ci * because they get wiped using BN_clear_free() when DH_free() is called.
261cb0ef41Sopenharmony_ci */
271cb0ef41Sopenharmony_ci
281cb0ef41Sopenharmony_ci#define make_dh(x) \
291cb0ef41Sopenharmony_ciDH *DH_get_##x(void) \
301cb0ef41Sopenharmony_ci{ \
311cb0ef41Sopenharmony_ci    DH *dh = DH_new(); \
321cb0ef41Sopenharmony_ci\
331cb0ef41Sopenharmony_ci    if (dh == NULL) \
341cb0ef41Sopenharmony_ci        return NULL; \
351cb0ef41Sopenharmony_ci    dh->params.p = BN_dup(&ossl_bignum_dh##x##_p); \
361cb0ef41Sopenharmony_ci    dh->params.g = BN_dup(&ossl_bignum_dh##x##_g); \
371cb0ef41Sopenharmony_ci    dh->params.q = BN_dup(&ossl_bignum_dh##x##_q); \
381cb0ef41Sopenharmony_ci    if (dh->params.p == NULL || dh->params.q == NULL || dh->params.g == NULL) {\
391cb0ef41Sopenharmony_ci        DH_free(dh); \
401cb0ef41Sopenharmony_ci        return NULL; \
411cb0ef41Sopenharmony_ci    } \
421cb0ef41Sopenharmony_ci    return dh; \
431cb0ef41Sopenharmony_ci}
441cb0ef41Sopenharmony_ci
451cb0ef41Sopenharmony_cimake_dh(1024_160)
461cb0ef41Sopenharmony_cimake_dh(2048_224)
471cb0ef41Sopenharmony_cimake_dh(2048_256)
48