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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:40:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:40:04 +0000
commit25505898530a333011f4fd5cbc841ad6b26c089c (patch)
tree333a33fdd60930bcccc3f177ed9467d535e9bac6 /openbsd-compat/libressl-api-compat.c
parentInitial commit. (diff)
downloadopenssh-25505898530a333011f4fd5cbc841ad6b26c089c.tar.xz
openssh-25505898530a333011f4fd5cbc841ad6b26c089c.zip
Adding upstream version 1:9.2p1.upstream/1%9.2p1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--openbsd-compat/libressl-api-compat.c640
1 files changed, 640 insertions, 0 deletions
diff --git a/openbsd-compat/libressl-api-compat.c b/openbsd-compat/libressl-api-compat.c
new file mode 100644
index 0000000..801a2e8
--- /dev/null
+++ b/openbsd-compat/libressl-api-compat.c
@@ -0,0 +1,640 @@
+/* $OpenBSD: dsa_lib.c,v 1.29 2018/04/14 07:09:21 tb Exp $ */
+/* $OpenBSD: rsa_lib.c,v 1.37 2018/04/14 07:09:21 tb Exp $ */
+/* $OpenBSD: evp_lib.c,v 1.17 2018/09/12 06:35:38 djm Exp $ */
+/* $OpenBSD: dh_lib.c,v 1.32 2018/05/02 15:48:38 tb Exp $ */
+/* $OpenBSD: p_lib.c,v 1.24 2018/05/30 15:40:50 tb Exp $ */
+/* $OpenBSD: digest.c,v 1.30 2018/04/14 07:09:21 tb Exp $ */
+/* 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.]
+ */
+
+/* $OpenBSD: dsa_asn1.c,v 1.22 2018/06/14 17:03:19 jsing Exp $ */
+/* $OpenBSD: ecs_asn1.c,v 1.9 2018/03/17 15:24:44 tb Exp $ */
+/* $OpenBSD: digest.c,v 1.30 2018/04/14 07:09:21 tb Exp $ */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000-2005 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).
+ *
+ */
+
+/* $OpenBSD: rsa_meth.c,v 1.2 2018/09/12 06:35:38 djm Exp $ */
+/*
+ * Copyright (c) 2018 Theo Buehler <tb@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "includes.h"
+
+#ifdef WITH_OPENSSL
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/dsa.h>
+#include <openssl/rsa.h>
+#include <openssl/evp.h>
+#ifdef OPENSSL_HAS_ECC
+#include <openssl/ecdsa.h>
+#endif
+#include <openssl/dh.h>
+
+#ifndef HAVE_DSA_GET0_PQG
+void
+DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
+{
+ if (p != NULL)
+ *p = d->p;
+ if (q != NULL)
+ *q = d->q;
+ if (g != NULL)
+ *g = d->g;
+}
+#endif /* HAVE_DSA_GET0_PQG */
+
+#ifndef HAVE_DSA_SET0_PQG
+int
+DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g)
+{
+ if ((d->p == NULL && p == NULL) || (d->q == NULL && q == NULL) ||
+ (d->g == NULL && g == NULL))
+ return 0;
+
+ if (p != NULL) {
+ BN_free(d->p);
+ d->p = p;
+ }
+ if (q != NULL) {
+ BN_free(d->q);
+ d->q = q;
+ }
+ if (g != NULL) {
+ BN_free(d->g);
+ d->g = g;
+ }
+
+ return 1;
+}
+#endif /* HAVE_DSA_SET0_PQG */
+
+#ifndef HAVE_DSA_GET0_KEY
+void
+DSA_get0_key(const DSA *d, const BIGNUM **pub_key, const BIGNUM **priv_key)
+{
+ if (pub_key != NULL)
+ *pub_key = d->pub_key;
+ if (priv_key != NULL)
+ *priv_key = d->priv_key;
+}
+#endif /* HAVE_DSA_GET0_KEY */
+
+#ifndef HAVE_DSA_SET0_KEY
+int
+DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key)
+{
+ if (d->pub_key == NULL && pub_key == NULL)
+ return 0;
+
+ if (pub_key != NULL) {
+ BN_free(d->pub_key);
+ d->pub_key = pub_key;
+ }
+ if (priv_key != NULL) {
+ BN_free(d->priv_key);
+ d->priv_key = priv_key;
+ }
+
+ return 1;
+}
+#endif /* HAVE_DSA_SET0_KEY */
+
+#ifndef HAVE_RSA_GET0_KEY
+void
+RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
+{
+ if (n != NULL)
+ *n = r->n;
+ if (e != NULL)
+ *e = r->e;
+ if (d != NULL)
+ *d = r->d;
+}
+#endif /* HAVE_RSA_GET0_KEY */
+
+#ifndef HAVE_RSA_SET0_KEY
+int
+RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d)
+{
+ if ((r->n == NULL && n == NULL) || (r->e == NULL && e == NULL))
+ return 0;
+
+ if (n != NULL) {
+ BN_free(r->n);
+ r->n = n;
+ }
+ if (e != NULL) {
+ BN_free(r->e);
+ r->e = e;
+ }
+ if (d != NULL) {
+ BN_free(r->d);
+ r->d = d;
+ }
+
+ return 1;
+}
+#endif /* HAVE_RSA_SET0_KEY */
+
+#ifndef HAVE_RSA_GET0_CRT_PARAMS
+void
+RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1,
+ const BIGNUM **iqmp)
+{
+ if (dmp1 != NULL)
+ *dmp1 = r->dmp1;
+ if (dmq1 != NULL)
+ *dmq1 = r->dmq1;
+ if (iqmp != NULL)
+ *iqmp = r->iqmp;
+}
+#endif /* HAVE_RSA_GET0_CRT_PARAMS */
+
+#ifndef HAVE_RSA_SET0_CRT_PARAMS
+int
+RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp)
+{
+ if ((r->dmp1 == NULL && dmp1 == NULL) ||
+ (r->dmq1 == NULL && dmq1 == NULL) ||
+ (r->iqmp == NULL && iqmp == NULL))
+ return 0;
+
+ if (dmp1 != NULL) {
+ BN_free(r->dmp1);
+ r->dmp1 = dmp1;
+ }
+ if (dmq1 != NULL) {
+ BN_free(r->dmq1);
+ r->dmq1 = dmq1;
+ }
+ if (iqmp != NULL) {
+ BN_free(r->iqmp);
+ r->iqmp = iqmp;
+ }
+
+ return 1;
+}
+#endif /* HAVE_RSA_SET0_CRT_PARAMS */
+
+#ifndef HAVE_RSA_GET0_FACTORS
+void
+RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q)
+{
+ if (p != NULL)
+ *p = r->p;
+ if (q != NULL)
+ *q = r->q;
+}
+#endif /* HAVE_RSA_GET0_FACTORS */
+
+#ifndef HAVE_RSA_SET0_FACTORS
+int
+RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q)
+{
+ if ((r->p == NULL && p == NULL) || (r->q == NULL && q == NULL))
+ return 0;
+
+ if (p != NULL) {
+ BN_free(r->p);
+ r->p = p;
+ }
+ if (q != NULL) {
+ BN_free(r->q);
+ r->q = q;
+ }
+
+ return 1;
+}
+#endif /* HAVE_RSA_SET0_FACTORS */
+
+#ifndef HAVE_EVP_CIPHER_CTX_GET_IV
+int
+EVP_CIPHER_CTX_get_iv(const EVP_CIPHER_CTX *ctx, unsigned char *iv, size_t len)
+{
+ if (ctx == NULL)
+ return 0;
+ if (EVP_CIPHER_CTX_iv_length(ctx) < 0)
+ return 0;
+ if (len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))
+ return 0;
+ if (len > EVP_MAX_IV_LENGTH)
+ return 0; /* sanity check; shouldn't happen */
+ /*
+ * Skip the memcpy entirely when the requested IV length is zero,
+ * since the iv pointer may be NULL or invalid.
+ */
+ if (len != 0) {
+ if (iv == NULL)
+ return 0;
+# ifdef HAVE_EVP_CIPHER_CTX_IV
+ memcpy(iv, EVP_CIPHER_CTX_iv(ctx), len);
+# else
+ memcpy(iv, ctx->iv, len);
+# endif /* HAVE_EVP_CIPHER_CTX_IV */
+ }
+ return 1;
+}
+#endif /* HAVE_EVP_CIPHER_CTX_GET_IV */
+
+#ifndef HAVE_EVP_CIPHER_CTX_SET_IV
+int
+EVP_CIPHER_CTX_set_iv(EVP_CIPHER_CTX *ctx, const unsigned char *iv, size_t len)
+{
+ if (ctx == NULL)
+ return 0;
+ if (EVP_CIPHER_CTX_iv_length(ctx) < 0)
+ return 0;
+ if (len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))
+ return 0;
+ if (len > EVP_MAX_IV_LENGTH)
+ return 0; /* sanity check; shouldn't happen */
+ /*
+ * Skip the memcpy entirely when the requested IV length is zero,
+ * since the iv pointer may be NULL or invalid.
+ */
+ if (len != 0) {
+ if (iv == NULL)
+ return 0;
+# ifdef HAVE_EVP_CIPHER_CTX_IV_NOCONST
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, len);
+# else
+ memcpy(ctx->iv, iv, len);
+# endif /* HAVE_EVP_CIPHER_CTX_IV_NOCONST */
+ }
+ return 1;
+}
+#endif /* HAVE_EVP_CIPHER_CTX_SET_IV */
+
+#ifndef HAVE_DSA_SIG_GET0
+void
+DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)
+{
+ if (pr != NULL)
+ *pr = sig->r;
+ if (ps != NULL)
+ *ps = sig->s;
+}
+#endif /* HAVE_DSA_SIG_GET0 */
+
+#ifndef HAVE_DSA_SIG_SET0
+int
+DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s)
+{
+ if (r == NULL || s == NULL)
+ return 0;
+
+ BN_clear_free(sig->r);
+ sig->r = r;
+ BN_clear_free(sig->s);
+ sig->s = s;
+
+ return 1;
+}
+#endif /* HAVE_DSA_SIG_SET0 */
+
+#ifdef OPENSSL_HAS_ECC
+#ifndef HAVE_ECDSA_SIG_GET0
+void
+ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)
+{
+ if (pr != NULL)
+ *pr = sig->r;
+ if (ps != NULL)
+ *ps = sig->s;
+}
+#endif /* HAVE_ECDSA_SIG_GET0 */
+
+#ifndef HAVE_ECDSA_SIG_SET0
+int
+ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s)
+{
+ if (r == NULL || s == NULL)
+ return 0;
+
+ BN_clear_free(sig->r);
+ BN_clear_free(sig->s);
+ sig->r = r;
+ sig->s = s;
+ return 1;
+}
+#endif /* HAVE_ECDSA_SIG_SET0 */
+#endif /* OPENSSL_HAS_ECC */
+
+#ifndef HAVE_DH_GET0_PQG
+void
+DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
+{
+ if (p != NULL)
+ *p = dh->p;
+ if (q != NULL)
+ *q = dh->q;
+ if (g != NULL)
+ *g = dh->g;
+}
+#endif /* HAVE_DH_GET0_PQG */
+
+#ifndef HAVE_DH_SET0_PQG
+int
+DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
+{
+ if ((dh->p == NULL && p == NULL) || (dh->g == NULL && g == NULL))
+ return 0;
+
+ if (p != NULL) {
+ BN_free(dh->p);
+ dh->p = p;
+ }
+ if (q != NULL) {
+ BN_free(dh->q);
+ dh->q = q;
+ }
+ if (g != NULL) {
+ BN_free(dh->g);
+ dh->g = g;
+ }
+
+ return 1;
+}
+#endif /* HAVE_DH_SET0_PQG */
+
+#ifndef HAVE_DH_GET0_KEY
+void
+DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key)
+{
+ if (pub_key != NULL)
+ *pub_key = dh->pub_key;
+ if (priv_key != NULL)
+ *priv_key = dh->priv_key;
+}
+#endif /* HAVE_DH_GET0_KEY */
+
+#ifndef HAVE_DH_SET0_KEY
+int
+DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key)
+{
+ if (pub_key != NULL) {
+ BN_free(dh->pub_key);
+ dh->pub_key = pub_key;
+ }
+ if (priv_key != NULL) {
+ BN_free(dh->priv_key);
+ dh->priv_key = priv_key;
+ }
+
+ return 1;
+}
+#endif /* HAVE_DH_SET0_KEY */
+
+#ifndef HAVE_DH_SET_LENGTH
+int
+DH_set_length(DH *dh, long length)
+{
+ if (length < 0 || length > INT_MAX)
+ return 0;
+
+ dh->length = length;
+ return 1;
+}
+#endif /* HAVE_DH_SET_LENGTH */
+
+#ifndef HAVE_RSA_METH_FREE
+void
+RSA_meth_free(RSA_METHOD *meth)
+{
+ if (meth != NULL) {
+ free((char *)meth->name);
+ free(meth);
+ }
+}
+#endif /* HAVE_RSA_METH_FREE */
+
+#ifndef HAVE_RSA_METH_DUP
+RSA_METHOD *
+RSA_meth_dup(const RSA_METHOD *meth)
+{
+ RSA_METHOD *copy;
+
+ if ((copy = calloc(1, sizeof(*copy))) == NULL)
+ return NULL;
+ memcpy(copy, meth, sizeof(*copy));
+ if ((copy->name = strdup(meth->name)) == NULL) {
+ free(copy);
+ return NULL;
+ }
+
+ return copy;
+}
+#endif /* HAVE_RSA_METH_DUP */
+
+#ifndef HAVE_RSA_METH_SET1_NAME
+int
+RSA_meth_set1_name(RSA_METHOD *meth, const char *name)
+{
+ char *copy;
+
+ if ((copy = strdup(name)) == NULL)
+ return 0;
+ free((char *)meth->name);
+ meth->name = copy;
+ return 1;
+}
+#endif /* HAVE_RSA_METH_SET1_NAME */
+
+#ifndef HAVE_RSA_METH_GET_FINISH
+int
+(*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa)
+{
+ return meth->finish;
+}
+#endif /* HAVE_RSA_METH_GET_FINISH */
+
+#ifndef HAVE_RSA_METH_SET_PRIV_ENC
+int
+RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen,
+ const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
+{
+ meth->rsa_priv_enc = priv_enc;
+ return 1;
+}
+#endif /* HAVE_RSA_METH_SET_PRIV_ENC */
+
+#ifndef HAVE_RSA_METH_SET_PRIV_DEC
+int
+RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen,
+ const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
+{
+ meth->rsa_priv_dec = priv_dec;
+ return 1;
+}
+#endif /* HAVE_RSA_METH_SET_PRIV_DEC */
+
+#ifndef HAVE_RSA_METH_SET_FINISH
+int
+RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa))
+{
+ meth->finish = finish;
+ return 1;
+}
+#endif /* HAVE_RSA_METH_SET_FINISH */
+
+#ifndef HAVE_EVP_PKEY_GET0_RSA
+RSA *
+EVP_PKEY_get0_RSA(EVP_PKEY *pkey)
+{
+ if (pkey->type != EVP_PKEY_RSA) {
+ /* EVPerror(EVP_R_EXPECTING_AN_RSA_KEY); */
+ return NULL;
+ }
+ return pkey->pkey.rsa;
+}
+#endif /* HAVE_EVP_PKEY_GET0_RSA */
+
+#ifndef HAVE_EVP_MD_CTX_NEW
+EVP_MD_CTX *
+EVP_MD_CTX_new(void)
+{
+ return calloc(1, sizeof(EVP_MD_CTX));
+}
+#endif /* HAVE_EVP_MD_CTX_NEW */
+
+#ifndef HAVE_EVP_MD_CTX_FREE
+void
+EVP_MD_CTX_free(EVP_MD_CTX *ctx)
+{
+ if (ctx == NULL)
+ return;
+
+ EVP_MD_CTX_cleanup(ctx);
+
+ free(ctx);
+}
+#endif /* HAVE_EVP_MD_CTX_FREE */
+
+#endif /* WITH_OPENSSL */