-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2006.
- */
-/* ====================================================================
- * Copyright (c) 2006 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).
+/*
+ * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+/*
+ * DH & DSA low level APIs are deprecated for public use, but still ok for
+ * internal use.
+ */
+#include "internal/deprecated.h"
+
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
-#include <openssl/rsa.h>
#include <openssl/evp.h>
-#include <openssl/dh.h>
+#include "dh_local.h"
#include <openssl/bn.h>
-#include "evp_locl.h"
+#include <openssl/dsa.h>
+#include <openssl/objects.h>
+#include "crypto/evp.h"
/* DH pkey context structure */
-typedef struct
- {
- /* Parameter gen parameters */
- int prime_len;
- int generator;
- int use_dsa;
- /* Keygen callback info */
- int gentmp[2];
- /* message digest */
- } DH_PKEY_CTX;
+typedef struct {
+ /* Parameter gen parameters */
+ int prime_len;
+ int generator;
+ int paramgen_type;
+ int subprime_len;
+ int pad;
+ /* message digest used for parameter generation */
+ const EVP_MD *md;
+ int param_nid;
+ /* Keygen callback info */
+ int gentmp[2];
+ /* KDF (if any) to use for DH */
+ char kdf_type;
+ /* OID to use for KDF */
+ ASN1_OBJECT *kdf_oid;
+ /* Message digest to use for key derivation */
+ const EVP_MD *kdf_md;
+ /* User key material */
+ unsigned char *kdf_ukm;
+ size_t kdf_ukmlen;
+ /* KDF output length */
+ size_t kdf_outlen;
+} DH_PKEY_CTX;
static int pkey_dh_init(EVP_PKEY_CTX *ctx)
- {
- DH_PKEY_CTX *dctx;
- dctx = OPENSSL_malloc(sizeof(DH_PKEY_CTX));
- if (!dctx)
- return 0;
- dctx->prime_len = 1024;
- dctx->generator = 2;
- dctx->use_dsa = 0;
-
- ctx->data = dctx;
- ctx->keygen_info = dctx->gentmp;
- ctx->keygen_info_count = 2;
-
- return 1;
- }
-
-static int pkey_dh_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
- DH_PKEY_CTX *dctx, *sctx;
- if (!pkey_dh_init(dst))
- return 0;
- sctx = src->data;
- dctx = dst->data;
- dctx->prime_len = sctx->prime_len;
- dctx->generator = sctx->generator;
- dctx->use_dsa = sctx->use_dsa;
- return 1;
- }
+{
+ DH_PKEY_CTX *dctx;
+
+ if ((dctx = OPENSSL_zalloc(sizeof(*dctx))) == NULL)
+ return 0;
+ dctx->prime_len = 2048;
+ dctx->subprime_len = -1;
+ dctx->generator = 2;
+ dctx->kdf_type = EVP_PKEY_DH_KDF_NONE;
+
+ ctx->data = dctx;
+ ctx->keygen_info = dctx->gentmp;
+ ctx->keygen_info_count = 2;
+
+ return 1;
+}
static void pkey_dh_cleanup(EVP_PKEY_CTX *ctx)
- {
- DH_PKEY_CTX *dctx = ctx->data;
- if (dctx)
- OPENSSL_free(dctx);
- }
+{
+ DH_PKEY_CTX *dctx = ctx->data;
+
+ if (dctx != NULL) {
+ OPENSSL_free(dctx->kdf_ukm);
+ ASN1_OBJECT_free(dctx->kdf_oid);
+ OPENSSL_free(dctx);
+ }
+}
+
+
+static int pkey_dh_copy(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src)
+{
+ DH_PKEY_CTX *dctx, *sctx;
+
+ if (!pkey_dh_init(dst))
+ return 0;
+ sctx = src->data;
+ dctx = dst->data;
+ dctx->prime_len = sctx->prime_len;
+ dctx->subprime_len = sctx->subprime_len;
+ dctx->generator = sctx->generator;
+ dctx->paramgen_type = sctx->paramgen_type;
+ dctx->pad = sctx->pad;
+ dctx->md = sctx->md;
+ dctx->param_nid = sctx->param_nid;
+
+ dctx->kdf_type = sctx->kdf_type;
+ dctx->kdf_oid = OBJ_dup(sctx->kdf_oid);
+ if (dctx->kdf_oid == NULL)
+ return 0;
+ dctx->kdf_md = sctx->kdf_md;
+ if (sctx->kdf_ukm != NULL) {
+ dctx->kdf_ukm = OPENSSL_memdup(sctx->kdf_ukm, sctx->kdf_ukmlen);
+ if (dctx->kdf_ukm == NULL)
+ return 0;
+ dctx->kdf_ukmlen = sctx->kdf_ukmlen;
+ }
+ dctx->kdf_outlen = sctx->kdf_outlen;
+ return 1;
+}
static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
- DH_PKEY_CTX *dctx = ctx->data;
- switch (type)
- {
- case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
- if (p1 < 256)
- return -2;
- dctx->prime_len = p1;
- return 1;
-
- case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
- dctx->generator = p1;
- return 1;
-
- case EVP_PKEY_CTRL_PEER_KEY:
- /* Default behaviour is OK */
- return 1;
-
- default:
- return -2;
-
- }
- }
-
-
+{
+ DH_PKEY_CTX *dctx = ctx->data;
+ switch (type) {
+ case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
+ if (p1 < 256)
+ return -2;
+ dctx->prime_len = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
+ if (dctx->paramgen_type == DH_PARAMGEN_TYPE_GENERATOR)
+ return -2;
+ dctx->subprime_len = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_PAD:
+ dctx->pad = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
+ if (dctx->paramgen_type != DH_PARAMGEN_TYPE_GENERATOR)
+ return -2;
+ dctx->generator = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
+#ifdef OPENSSL_NO_DSA
+ if (p1 != DH_PARAMGEN_TYPE_GENERATOR)
+ return -2;
+#else
+ if (p1 < 0 || p1 > 2)
+ return -2;
+#endif
+ dctx->paramgen_type = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_RFC5114:
+ if (p1 < 1 || p1 > 3 || dctx->param_nid != NID_undef)
+ return -2;
+ dctx->param_nid = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_NID:
+ if (p1 <= 0 || dctx->param_nid != NID_undef)
+ return -2;
+ dctx->param_nid = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_PEER_KEY:
+ /* Default behaviour is OK */
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_KDF_TYPE:
+ if (p1 == -2)
+ return dctx->kdf_type;
+ if (p1 != EVP_PKEY_DH_KDF_NONE && p1 != EVP_PKEY_DH_KDF_X9_42)
+ return -2;
+ dctx->kdf_type = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_KDF_MD:
+ dctx->kdf_md = p2;
+ return 1;
+
+ case EVP_PKEY_CTRL_GET_DH_KDF_MD:
+ *(const EVP_MD **)p2 = dctx->kdf_md;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_KDF_OUTLEN:
+ if (p1 <= 0)
+ return -2;
+ dctx->kdf_outlen = (size_t)p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN:
+ *(int *)p2 = dctx->kdf_outlen;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_KDF_UKM:
+ OPENSSL_free(dctx->kdf_ukm);
+ dctx->kdf_ukm = p2;
+ if (p2)
+ dctx->kdf_ukmlen = p1;
+ else
+ dctx->kdf_ukmlen = 0;
+ return 1;
+
+ case EVP_PKEY_CTRL_GET_DH_KDF_UKM:
+ *(unsigned char **)p2 = dctx->kdf_ukm;
+ return dctx->kdf_ukmlen;
+
+ case EVP_PKEY_CTRL_DH_KDF_OID:
+ ASN1_OBJECT_free(dctx->kdf_oid);
+ dctx->kdf_oid = p2;
+ return 1;
+
+ case EVP_PKEY_CTRL_GET_DH_KDF_OID:
+ *(ASN1_OBJECT **)p2 = dctx->kdf_oid;
+ return 1;
+
+ default:
+ return -2;
+
+ }
+}
+
static int pkey_dh_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- if (!strcmp(type, "dh_paramgen_prime_len"))
- {
- int len;
- len = atoi(value);
- return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len);
- }
- if (!strcmp(type, "dh_paramgen_generator"))
- {
- int len;
- len = atoi(value);
- return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, len);
- }
- return -2;
- }
-
-static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- DH *dh = NULL;
- DH_PKEY_CTX *dctx = ctx->data;
- BN_GENCB *pcb, cb;
- int ret;
- if (ctx->pkey_gencb)
- {
- pcb = &cb;
- evp_pkey_set_cb_translate(pcb, ctx);
- }
- else
- pcb = NULL;
- dh = DH_new();
- if (!dh)
- return 0;
- ret = DH_generate_parameters_ex(dh,
- dctx->prime_len, dctx->generator, pcb);
- if (ret)
- EVP_PKEY_assign_DH(pkey, dh);
- else
- DH_free(dh);
- return ret;
- }
+ const char *type, const char *value)
+{
+ if (strcmp(type, "dh_paramgen_prime_len") == 0) {
+ int len;
+ len = atoi(value);
+ return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len);
+ }
+ if (strcmp(type, "dh_rfc5114") == 0) {
+ DH_PKEY_CTX *dctx = ctx->data;
+ int id;
+
+ id = atoi(value);
+ if (id < 0 || id > 3)
+ return -2;
+ dctx->param_nid = id;
+ return 1;
+ }
+ if (strcmp(type, "dh_param") == 0) {
+ DH_PKEY_CTX *dctx = ctx->data;
+ int nid = OBJ_sn2nid(value);
+
+ if (nid == NID_undef) {
+ ERR_raise(ERR_LIB_DH, DH_R_INVALID_PARAMETER_NAME);
+ return -2;
+ }
+ dctx->param_nid = nid;
+ return 1;
+ }
+ if (strcmp(type, "dh_paramgen_generator") == 0) {
+ int len;
+ len = atoi(value);
+ return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, len);
+ }
+ if (strcmp(type, "dh_paramgen_subprime_len") == 0) {
+ int len;
+ len = atoi(value);
+ return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, len);
+ }
+ if (strcmp(type, "dh_paramgen_type") == 0) {
+ int typ;
+ typ = atoi(value);
+ return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, typ);
+ }
+ if (strcmp(type, "dh_pad") == 0) {
+ int pad;
+ pad = atoi(value);
+ return EVP_PKEY_CTX_set_dh_pad(ctx, pad);
+ }
+ return -2;
+}
+
+static DH *ffc_params_generate(OSSL_LIB_CTX *libctx, DH_PKEY_CTX *dctx,
+ BN_GENCB *pcb)
+{
+ DH *ret;
+ int rv = 0;
+ int res;
+ int prime_len = dctx->prime_len;
+ int subprime_len = dctx->subprime_len;
+
+ if (dctx->paramgen_type > DH_PARAMGEN_TYPE_FIPS_186_4)
+ return NULL;
+ ret = DH_new();
+ if (ret == NULL)
+ return NULL;
+
+ if (subprime_len == -1) {
+ if (prime_len >= 2048)
+ subprime_len = 256;
+ else
+ subprime_len = 160;
+ }
+
+ if (dctx->md != NULL)
+ ossl_ffc_set_digest(&ret->params, EVP_MD_get0_name(dctx->md), NULL);
+
+# ifndef FIPS_MODULE
+ if (dctx->paramgen_type == DH_PARAMGEN_TYPE_FIPS_186_2)
+ rv = ossl_ffc_params_FIPS186_2_generate(libctx, &ret->params,
+ FFC_PARAM_TYPE_DH,
+ prime_len, subprime_len, &res,
+ pcb);
+ else
+# endif
+ /* For FIPS we always use the DH_PARAMGEN_TYPE_FIPS_186_4 generator */
+ if (dctx->paramgen_type >= DH_PARAMGEN_TYPE_FIPS_186_2)
+ rv = ossl_ffc_params_FIPS186_4_generate(libctx, &ret->params,
+ FFC_PARAM_TYPE_DH,
+ prime_len, subprime_len, &res,
+ pcb);
+ if (rv <= 0) {
+ DH_free(ret);
+ return NULL;
+ }
+ return ret;
+}
+
+static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx,
+ EVP_PKEY *pkey)
+{
+ DH *dh = NULL;
+ DH_PKEY_CTX *dctx = ctx->data;
+ BN_GENCB *pcb = NULL;
+ int ret;
+
+ /*
+ * Look for a safe prime group for key establishment. Which uses
+ * either RFC_3526 (modp_XXXX) or RFC_7919 (ffdheXXXX).
+ * RFC_5114 is also handled here for param_nid = (1..3)
+ */
+ if (dctx->param_nid != NID_undef) {
+ int type = dctx->param_nid <= 3 ? EVP_PKEY_DHX : EVP_PKEY_DH;
+
+ if ((dh = DH_new_by_nid(dctx->param_nid)) == NULL)
+ return 0;
+ EVP_PKEY_assign(pkey, type, dh);
+ return 1;
+ }
+
+ if (ctx->pkey_gencb != NULL) {
+ pcb = BN_GENCB_new();
+ if (pcb == NULL)
+ return 0;
+ evp_pkey_set_cb_translate(pcb, ctx);
+ }
+# ifdef FIPS_MODULE
+ dctx->paramgen_type = DH_PARAMGEN_TYPE_FIPS_186_4;
+# endif /* FIPS_MODULE */
+ if (dctx->paramgen_type >= DH_PARAMGEN_TYPE_FIPS_186_2) {
+ dh = ffc_params_generate(NULL, dctx, pcb);
+ BN_GENCB_free(pcb);
+ if (dh == NULL)
+ return 0;
+ EVP_PKEY_assign(pkey, EVP_PKEY_DHX, dh);
+ return 1;
+ }
+ dh = DH_new();
+ if (dh == NULL) {
+ BN_GENCB_free(pcb);
+ return 0;
+ }
+ ret = DH_generate_parameters_ex(dh,
+ dctx->prime_len, dctx->generator, pcb);
+ BN_GENCB_free(pcb);
+ if (ret)
+ EVP_PKEY_assign_DH(pkey, dh);
+ else
+ DH_free(dh);
+ return ret;
+}
static int pkey_dh_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- DH *dh = NULL;
- if (ctx->pkey == NULL)
- {
- DHerr(DH_F_PKEY_DH_KEYGEN, DH_R_NO_PARAMETERS_SET);
- return 0;
- }
- dh = DH_new();
- if (!dh)
- return 0;
- EVP_PKEY_assign_DH(pkey, dh);
- /* Note: if error return, pkey is freed by parent routine */
- if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey))
- return 0;
- return DH_generate_key(pkey->pkey.dh);
- }
-
-static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)
- {
- int ret;
- if (!ctx->pkey || !ctx->peerkey)
- {
- DHerr(DH_F_PKEY_DH_DERIVE, DH_R_KEYS_NOT_SET);
- return 0;
- }
- ret = DH_compute_key(key, ctx->peerkey->pkey.dh->pub_key,
- ctx->pkey->pkey.dh);
- if (ret < 0)
- return ret;
- *keylen = ret;
- return 1;
- }
-
-const EVP_PKEY_METHOD dh_pkey_meth =
- {
- EVP_PKEY_DH,
- EVP_PKEY_FLAG_AUTOARGLEN,
- pkey_dh_init,
- pkey_dh_copy,
- pkey_dh_cleanup,
-
- 0,
- pkey_dh_paramgen,
-
- 0,
- pkey_dh_keygen,
-
- 0,
- 0,
-
- 0,
- 0,
-
- 0,0,
-
- 0,0,0,0,
-
- 0,0,
-
- 0,0,
-
- 0,
- pkey_dh_derive,
-
- pkey_dh_ctrl,
- pkey_dh_ctrl_str
-
- };
+{
+ DH_PKEY_CTX *dctx = ctx->data;
+ DH *dh = NULL;
+
+ if (ctx->pkey == NULL && dctx->param_nid == NID_undef) {
+ ERR_raise(ERR_LIB_DH, DH_R_NO_PARAMETERS_SET);
+ return 0;
+ }
+ if (dctx->param_nid != NID_undef)
+ dh = DH_new_by_nid(dctx->param_nid);
+ else
+ dh = DH_new();
+ if (dh == NULL)
+ return 0;
+ EVP_PKEY_assign(pkey, ctx->pmeth->pkey_id, dh);
+ /* Note: if error return, pkey is freed by parent routine */
+ if (ctx->pkey != NULL && !EVP_PKEY_copy_parameters(pkey, ctx->pkey))
+ return 0;
+ return DH_generate_key((DH *)EVP_PKEY_get0_DH(pkey));
+}
+
+static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
+ size_t *keylen)
+{
+ int ret;
+ DH *dh;
+ const DH *dhpub;
+ DH_PKEY_CTX *dctx = ctx->data;
+ BIGNUM *dhpubbn;
+
+ if (ctx->pkey == NULL || ctx->peerkey == NULL) {
+ ERR_raise(ERR_LIB_DH, DH_R_KEYS_NOT_SET);
+ return 0;
+ }
+ dh = (DH *)EVP_PKEY_get0_DH(ctx->pkey);
+ dhpub = EVP_PKEY_get0_DH(ctx->peerkey);
+ if (dhpub == NULL) {
+ ERR_raise(ERR_LIB_DH, DH_R_KEYS_NOT_SET);
+ return 0;
+ }
+ dhpubbn = dhpub->pub_key;
+ if (dctx->kdf_type == EVP_PKEY_DH_KDF_NONE) {
+ if (key == NULL) {
+ *keylen = DH_size(dh);
+ return 1;
+ }
+ if (dctx->pad)
+ ret = DH_compute_key_padded(key, dhpubbn, dh);
+ else
+ ret = DH_compute_key(key, dhpubbn, dh);
+ if (ret < 0)
+ return ret;
+ *keylen = ret;
+ return 1;
+ }
+ else if (dctx->kdf_type == EVP_PKEY_DH_KDF_X9_42) {
+
+ unsigned char *Z = NULL;
+ int Zlen = 0;
+
+ if (!dctx->kdf_outlen || !dctx->kdf_oid)
+ return 0;
+ if (key == NULL) {
+ *keylen = dctx->kdf_outlen;
+ return 1;
+ }
+ if (*keylen != dctx->kdf_outlen)
+ return 0;
+ ret = 0;
+ if ((Zlen = DH_size(dh)) <= 0)
+ return 0;
+ if ((Z = OPENSSL_malloc(Zlen)) == NULL)
+ return 0;
+ if (DH_compute_key_padded(Z, dhpubbn, dh) <= 0)
+ goto err;
+ if (!DH_KDF_X9_42(key, *keylen, Z, Zlen, dctx->kdf_oid,
+ dctx->kdf_ukm, dctx->kdf_ukmlen, dctx->kdf_md))
+ goto err;
+ *keylen = dctx->kdf_outlen;
+ ret = 1;
+ err:
+ OPENSSL_clear_free(Z, Zlen);
+ return ret;
+ }
+ return 0;
+}
+
+static const EVP_PKEY_METHOD dh_pkey_meth = {
+ EVP_PKEY_DH,
+ 0,
+ pkey_dh_init,
+ pkey_dh_copy,
+ pkey_dh_cleanup,
+
+ 0,
+ pkey_dh_paramgen,
+
+ 0,
+ pkey_dh_keygen,
+
+ 0,
+ 0,
+
+ 0,
+ 0,
+
+ 0, 0,
+
+ 0, 0, 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0,
+ pkey_dh_derive,
+
+ pkey_dh_ctrl,
+ pkey_dh_ctrl_str
+};
+
+const EVP_PKEY_METHOD *ossl_dh_pkey_method(void)
+{
+ return &dh_pkey_meth;
+}
+
+static const EVP_PKEY_METHOD dhx_pkey_meth = {
+ EVP_PKEY_DHX,
+ 0,
+ pkey_dh_init,
+ pkey_dh_copy,
+ pkey_dh_cleanup,
+
+ 0,
+ pkey_dh_paramgen,
+
+ 0,
+ pkey_dh_keygen,
+
+ 0,
+ 0,
+
+ 0,
+ 0,
+
+ 0, 0,
+
+ 0, 0, 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0,
+ pkey_dh_derive,
+
+ pkey_dh_ctrl,
+ pkey_dh_ctrl_str
+};
+
+const EVP_PKEY_METHOD *ossl_dhx_pkey_method(void)
+{
+ return &dhx_pkey_meth;
+}
projects / openssl.git / blobdiff