-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 2006-2016 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
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/x509.h>
#include <openssl/asn1.h>
-#include <openssl/dh.h>
-#include "asn1_locl.h"
+#include "dh_locl.h"
+#include <openssl/bn.h>
+#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
+#include <openssl/cms.h>
+#include <openssl/core_names.h>
+#include "internal/param_build.h"
+
+/*
+ * i2d/d2i like DH parameter functions which use the appropriate routine for
+ * PKCS#3 DH or X9.42 DH.
+ */
+
+static DH *d2i_dhp(const EVP_PKEY *pkey, const unsigned char **pp,
+ long length)
+{
+ if (pkey->ameth == &dhx_asn1_meth)
+ return d2i_DHxparams(NULL, pp, length);
+ return d2i_DHparams(NULL, pp, length);
+}
+
+static int i2d_dhp(const EVP_PKEY *pkey, const DH *a, unsigned char **pp)
+{
+ if (pkey->ameth == &dhx_asn1_meth)
+ return i2d_DHxparams(a, pp);
+ return i2d_DHparams(a, pp);
+}
static void int_dh_free(EVP_PKEY *pkey)
- {
- DH_free(pkey->pkey.dh);
- }
+{
+ DH_free(pkey->pkey.dh);
+}
static int dh_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
- {
- const unsigned char *p, *pm;
- int pklen, pmlen;
- int ptype;
- void *pval;
- ASN1_STRING *pstr;
- X509_ALGOR *palg;
- ASN1_INTEGER *public_key = NULL;
-
- DH *dh = NULL;
-
- if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey))
- return 0;
- X509_ALGOR_get0(NULL, &ptype, &pval, palg);
-
- if (ptype != V_ASN1_SEQUENCE)
- {
- DHerr(DH_F_DH_PUB_DECODE, DH_R_PARAMETER_ENCODING_ERROR);
- goto err;
- }
-
- pstr = pval;
- pm = pstr->data;
- pmlen = pstr->length;
-
- if (!(dh = d2i_DHparams(NULL, &pm, pmlen)))
- {
- DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR);
- goto err;
- }
-
- if (!(public_key=d2i_ASN1_INTEGER(NULL, &p, pklen)))
- {
- DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR);
- goto err;
- }
-
- /* We have parameters now set public key */
- if (!(dh->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)))
- {
- DHerr(DH_F_DH_PUB_DECODE, DH_R_BN_DECODE_ERROR);
- goto err;
- }
-
- ASN1_INTEGER_free(public_key);
- EVP_PKEY_assign_DH(pkey, dh);
- return 1;
-
- err:
- if (public_key)
- ASN1_INTEGER_free(public_key);
- if (dh)
- DH_free(dh);
- return 0;
-
- }
+{
+ const unsigned char *p, *pm;
+ int pklen, pmlen;
+ int ptype;
+ const void *pval;
+ const ASN1_STRING *pstr;
+ X509_ALGOR *palg;
+ ASN1_INTEGER *public_key = NULL;
+
+ DH *dh = NULL;
+
+ if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey))
+ return 0;
+ X509_ALGOR_get0(NULL, &ptype, &pval, palg);
+
+ if (ptype != V_ASN1_SEQUENCE) {
+ DHerr(DH_F_DH_PUB_DECODE, DH_R_PARAMETER_ENCODING_ERROR);
+ goto err;
+ }
+
+ pstr = pval;
+ pm = pstr->data;
+ pmlen = pstr->length;
+
+ if ((dh = d2i_dhp(pkey, &pm, pmlen)) == NULL) {
+ DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR);
+ goto err;
+ }
+
+ if ((public_key = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL) {
+ DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR);
+ goto err;
+ }
+
+ /* We have parameters now set public key */
+ if ((dh->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)) == NULL) {
+ DHerr(DH_F_DH_PUB_DECODE, DH_R_BN_DECODE_ERROR);
+ goto err;
+ }
+
+ ASN1_INTEGER_free(public_key);
+ EVP_PKEY_assign(pkey, pkey->ameth->pkey_id, dh);
+ return 1;
+
+ err:
+ ASN1_INTEGER_free(public_key);
+ DH_free(dh);
+ return 0;
+
+}
static int dh_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
- {
- DH *dh;
- void *pval = NULL;
- int ptype;
- unsigned char *penc = NULL;
- int penclen;
- ASN1_STRING *str;
- ASN1_INTEGER *pub_key = NULL;
-
- dh=pkey->pkey.dh;
-
- str = ASN1_STRING_new();
- str->length = i2d_DHparams(dh, &str->data);
- if (str->length <= 0)
- {
- DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- pval = str;
- ptype = V_ASN1_SEQUENCE;
-
- pub_key = BN_to_ASN1_INTEGER(dh->pub_key, NULL);
- if (!pub_key)
- goto err;
-
- penclen = i2d_ASN1_INTEGER(pub_key, &penc);
-
- ASN1_INTEGER_free(pub_key);
-
- if (penclen <= 0)
- {
- DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_DH),
- ptype, pval, penc, penclen))
- return 1;
-
- err:
- if (penc)
- OPENSSL_free(penc);
- if (pval)
- ASN1_STRING_free(pval);
-
- return 0;
- }
-
-
-/* PKCS#8 DH is defined in PKCS#11 of all places. It is similar to DH in
- * that the AlgorithmIdentifier contains the paramaters, the private key
- * is explcitly included and the pubkey must be recalculated.
+{
+ DH *dh;
+ int ptype;
+ unsigned char *penc = NULL;
+ int penclen;
+ ASN1_STRING *str;
+ ASN1_INTEGER *pub_key = NULL;
+
+ dh = pkey->pkey.dh;
+
+ str = ASN1_STRING_new();
+ if (str == NULL) {
+ DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ str->length = i2d_dhp(pkey, dh, &str->data);
+ if (str->length <= 0) {
+ DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ ptype = V_ASN1_SEQUENCE;
+
+ pub_key = BN_to_ASN1_INTEGER(dh->pub_key, NULL);
+ if (!pub_key)
+ goto err;
+
+ penclen = i2d_ASN1_INTEGER(pub_key, &penc);
+
+ ASN1_INTEGER_free(pub_key);
+
+ if (penclen <= 0) {
+ DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(pkey->ameth->pkey_id),
+ ptype, str, penc, penclen))
+ return 1;
+
+ err:
+ OPENSSL_free(penc);
+ ASN1_STRING_free(str);
+
+ return 0;
+}
+
+/*
+ * PKCS#8 DH is defined in PKCS#11 of all places. It is similar to DH in that
+ * the AlgorithmIdentifier contains the parameters, the private key is
+ * explicitly included and the pubkey must be recalculated.
*/
-
-static int dh_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
- {
- const unsigned char *p, *pm;
- int pklen, pmlen;
- int ptype;
- void *pval;
- ASN1_STRING *pstr;
- X509_ALGOR *palg;
- ASN1_INTEGER *privkey = NULL;
-
- DH *dh = NULL;
-
- if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8))
- return 0;
-
- X509_ALGOR_get0(NULL, &ptype, &pval, palg);
-
- if (ptype != V_ASN1_SEQUENCE)
- goto decerr;
-
- if (!(privkey=d2i_ASN1_INTEGER(NULL, &p, pklen)))
- goto decerr;
-
-
- pstr = pval;
- pm = pstr->data;
- pmlen = pstr->length;
- if (!(dh = d2i_DHparams(NULL, &pm, pmlen)))
- goto decerr;
- /* We have parameters now set private key */
- if (!(dh->priv_key = ASN1_INTEGER_to_BN(privkey, NULL)))
- {
- DHerr(DH_F_DH_PRIV_DECODE,DH_R_BN_ERROR);
- goto dherr;
- }
- /* Calculate public key */
- if (!DH_generate_key(dh))
- goto dherr;
-
- EVP_PKEY_assign_DH(pkey, dh);
-
- ASN1_INTEGER_free(privkey);
-
- return 1;
-
- decerr:
- DHerr(DH_F_DH_PRIV_DECODE, EVP_R_DECODE_ERROR);
- dherr:
- DH_free(dh);
- return 0;
- }
+
+static int dh_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
+{
+ const unsigned char *p, *pm;
+ int pklen, pmlen;
+ int ptype;
+ const void *pval;
+ const ASN1_STRING *pstr;
+ const X509_ALGOR *palg;
+ ASN1_INTEGER *privkey = NULL;
+
+ DH *dh = NULL;
+
+ if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8))
+ return 0;
+
+ X509_ALGOR_get0(NULL, &ptype, &pval, palg);
+
+ if (ptype != V_ASN1_SEQUENCE)
+ goto decerr;
+ if ((privkey = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL)
+ goto decerr;
+
+ pstr = pval;
+ pm = pstr->data;
+ pmlen = pstr->length;
+ if ((dh = d2i_dhp(pkey, &pm, pmlen)) == NULL)
+ goto decerr;
+
+ /* We have parameters now set private key */
+ if ((dh->priv_key = BN_secure_new()) == NULL
+ || !ASN1_INTEGER_to_BN(privkey, dh->priv_key)) {
+ DHerr(DH_F_DH_PRIV_DECODE, DH_R_BN_ERROR);
+ goto dherr;
+ }
+ /* Calculate public key, increments dirty_cnt */
+ if (!DH_generate_key(dh))
+ goto dherr;
+
+ EVP_PKEY_assign(pkey, pkey->ameth->pkey_id, dh);
+
+ ASN1_STRING_clear_free(privkey);
+
+ return 1;
+
+ decerr:
+ DHerr(DH_F_DH_PRIV_DECODE, EVP_R_DECODE_ERROR);
+ dherr:
+ DH_free(dh);
+ ASN1_STRING_clear_free(privkey);
+ return 0;
+}
static int dh_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
{
- ASN1_STRING *params = NULL;
- ASN1_INTEGER *prkey = NULL;
- unsigned char *dp = NULL;
- int dplen;
+ ASN1_STRING *params = NULL;
+ ASN1_INTEGER *prkey = NULL;
+ unsigned char *dp = NULL;
+ int dplen;
- params = ASN1_STRING_new();
+ params = ASN1_STRING_new();
- if (!params)
- {
- DHerr(DH_F_DH_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
- goto err;
- }
+ if (params == NULL) {
+ DHerr(DH_F_DH_PRIV_ENCODE, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
- params->length = i2d_DHparams(pkey->pkey.dh, ¶ms->data);
- if (params->length <= 0)
- {
- DHerr(DH_F_DH_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- params->type = V_ASN1_SEQUENCE;
+ params->length = i2d_dhp(pkey, pkey->pkey.dh, ¶ms->data);
+ if (params->length <= 0) {
+ DHerr(DH_F_DH_PRIV_ENCODE, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ params->type = V_ASN1_SEQUENCE;
- /* Get private key into integer */
- prkey = BN_to_ASN1_INTEGER(pkey->pkey.dh->priv_key, NULL);
+ /* Get private key into integer */
+ prkey = BN_to_ASN1_INTEGER(pkey->pkey.dh->priv_key, NULL);
- if (!prkey)
- {
- DHerr(DH_F_DH_PRIV_ENCODE,DH_R_BN_ERROR);
- goto err;
- }
+ if (!prkey) {
+ DHerr(DH_F_DH_PRIV_ENCODE, DH_R_BN_ERROR);
+ goto err;
+ }
- dplen = i2d_ASN1_INTEGER(prkey, &dp);
+ dplen = i2d_ASN1_INTEGER(prkey, &dp);
- ASN1_INTEGER_free(prkey);
+ ASN1_STRING_clear_free(prkey);
+ prkey = NULL;
- if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dhKeyAgreement), 0,
- V_ASN1_SEQUENCE, params, dp, dplen))
- goto err;
+ if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(pkey->ameth->pkey_id), 0,
+ V_ASN1_SEQUENCE, params, dp, dplen))
+ goto err;
- return 1;
+ return 1;
-err:
- if (dp != NULL)
- OPENSSL_free(dp);
- if (params != NULL)
- ASN1_STRING_free(params);
- if (prkey != NULL)
- ASN1_INTEGER_free(prkey);
- return 0;
+ err:
+ OPENSSL_free(dp);
+ ASN1_STRING_free(params);
+ ASN1_STRING_clear_free(prkey);
+ return 0;
}
-
-static void update_buflen(const BIGNUM *b, size_t *pbuflen)
- {
- size_t i;
- if (!b)
- return;
- if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
- *pbuflen = i;
- }
-
static int dh_param_decode(EVP_PKEY *pkey,
- const unsigned char **pder, int derlen)
- {
- DH *dh;
- if (!(dh = d2i_DHparams(NULL, pder, derlen)))
- {
- DHerr(DH_F_DH_PARAM_DECODE, ERR_R_DH_LIB);
- return 0;
- }
- EVP_PKEY_assign_DH(pkey, dh);
- return 1;
- }
+ const unsigned char **pder, int derlen)
+{
+ DH *dh;
+
+ if ((dh = d2i_dhp(pkey, pder, derlen)) == NULL) {
+ DHerr(DH_F_DH_PARAM_DECODE, ERR_R_DH_LIB);
+ return 0;
+ }
+ dh->dirty_cnt++;
+ EVP_PKEY_assign(pkey, pkey->ameth->pkey_id, dh);
+ return 1;
+}
static int dh_param_encode(const EVP_PKEY *pkey, unsigned char **pder)
- {
- return i2d_DHparams(pkey->pkey.dh, pder);
- }
-
-static int do_dh_print(BIO *bp, const DH *x, int indent,
- ASN1_PCTX *ctx, int ptype)
- {
- unsigned char *m=NULL;
- int reason=ERR_R_BUF_LIB,ret=0;
- size_t buf_len=0;
-
- const char *ktype = NULL;
-
- BIGNUM *priv_key, *pub_key;
-
- if (ptype == 2)
- priv_key = x->priv_key;
- else
- priv_key = NULL;
-
- if (ptype > 0)
- pub_key = x->pub_key;
- else
- pub_key = NULL;
-
- update_buflen(x->p, &buf_len);
-
- if (buf_len == 0)
- {
- reason = ERR_R_PASSED_NULL_PARAMETER;
- goto err;
- }
-
- update_buflen(x->g, &buf_len);
- update_buflen(pub_key, &buf_len);
- update_buflen(priv_key, &buf_len);
-
- if (ptype == 2)
- ktype = "PKCS#3 DH Private-Key";
- else if (ptype == 1)
- ktype = "PKCS#3 DH Public-Key";
- else
- ktype = "PKCS#3 DH Parameters";
-
- m= OPENSSL_malloc(buf_len+10);
- if (m == NULL)
- {
- reason=ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- BIO_indent(bp, indent, 128);
- if (BIO_printf(bp,"%s: (%d bit)\n", ktype, BN_num_bits(x->p)) <= 0)
- goto err;
- indent += 4;
-
- if (!ASN1_bn_print(bp,"private-key:",priv_key,m,indent)) goto err;
- if (!ASN1_bn_print(bp,"public-key:",pub_key,m,indent)) goto err;
-
- if (!ASN1_bn_print(bp,"prime:",x->p,m,indent)) goto err;
- if (!ASN1_bn_print(bp,"generator:",x->g,m,indent)) goto err;
- if (x->length != 0)
- {
- BIO_indent(bp, indent, 128);
- if (BIO_printf(bp,"recommended-private-length: %d bits\n",
- (int)x->length) <= 0) goto err;
- }
-
-
- ret=1;
- if (0)
- {
-err:
- DHerr(DH_F_DO_DH_PRINT,reason);
- }
- if (m != NULL) OPENSSL_free(m);
- return(ret);
- }
+{
+ return i2d_dhp(pkey, pkey->pkey.dh, pder);
+}
+
+static int do_dh_print(BIO *bp, const DH *x, int indent, int ptype)
+{
+ int reason = ERR_R_BUF_LIB;
+ const char *ktype = NULL;
+ BIGNUM *priv_key, *pub_key;
+
+ if (ptype == 2)
+ priv_key = x->priv_key;
+ else
+ priv_key = NULL;
+
+ if (ptype > 0)
+ pub_key = x->pub_key;
+ else
+ pub_key = NULL;
+
+ if (x->p == NULL || (ptype == 2 && priv_key == NULL)
+ || (ptype > 0 && pub_key == NULL)) {
+ reason = ERR_R_PASSED_NULL_PARAMETER;
+ goto err;
+ }
+
+ if (ptype == 2)
+ ktype = "DH Private-Key";
+ else if (ptype == 1)
+ ktype = "DH Public-Key";
+ else
+ ktype = "DH Parameters";
+
+ BIO_indent(bp, indent, 128);
+ if (BIO_printf(bp, "%s: (%d bit)\n", ktype, BN_num_bits(x->p)) <= 0)
+ goto err;
+ indent += 4;
+
+ if (!ASN1_bn_print(bp, "private-key:", priv_key, NULL, indent))
+ goto err;
+ if (!ASN1_bn_print(bp, "public-key:", pub_key, NULL, indent))
+ goto err;
+
+ if (!ASN1_bn_print(bp, "prime:", x->p, NULL, indent))
+ goto err;
+ if (!ASN1_bn_print(bp, "generator:", x->g, NULL, indent))
+ goto err;
+ if (x->q && !ASN1_bn_print(bp, "subgroup order:", x->q, NULL, indent))
+ goto err;
+ if (x->j && !ASN1_bn_print(bp, "subgroup factor:", x->j, NULL, indent))
+ goto err;
+ if (x->seed) {
+ int i;
+ BIO_indent(bp, indent, 128);
+ BIO_puts(bp, "seed:");
+ for (i = 0; i < x->seedlen; i++) {
+ if ((i % 15) == 0) {
+ if (BIO_puts(bp, "\n") <= 0
+ || !BIO_indent(bp, indent + 4, 128))
+ goto err;
+ }
+ if (BIO_printf(bp, "%02x%s", x->seed[i],
+ ((i + 1) == x->seedlen) ? "" : ":") <= 0)
+ goto err;
+ }
+ if (BIO_write(bp, "\n", 1) <= 0)
+ return 0;
+ }
+ if (x->counter && !ASN1_bn_print(bp, "counter:", x->counter, NULL, indent))
+ goto err;
+ if (x->length != 0) {
+ BIO_indent(bp, indent, 128);
+ if (BIO_printf(bp, "recommended-private-length: %d bits\n",
+ (int)x->length) <= 0)
+ goto err;
+ }
+
+ return 1;
+
+ err:
+ DHerr(DH_F_DO_DH_PRINT, reason);
+ return 0;
+}
static int int_dh_size(const EVP_PKEY *pkey)
- {
- return(DH_size(pkey->pkey.dh));
- }
+{
+ return DH_size(pkey->pkey.dh);
+}
static int dh_bits(const EVP_PKEY *pkey)
- {
- return BN_num_bits(pkey->pkey.dh->p);
- }
+{
+ return BN_num_bits(pkey->pkey.dh->p);
+}
+
+static int dh_security_bits(const EVP_PKEY *pkey)
+{
+ return DH_security_bits(pkey->pkey.dh);
+}
static int dh_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
- {
- if ( BN_cmp(a->pkey.dh->p,b->pkey.dh->p) ||
- BN_cmp(a->pkey.dh->g,b->pkey.dh->g))
- return 0;
- else
- return 1;
- }
+{
+ if (BN_cmp(a->pkey.dh->p, b->pkey.dh->p) ||
+ BN_cmp(a->pkey.dh->g, b->pkey.dh->g))
+ return 0;
+ else if (a->ameth == &dhx_asn1_meth) {
+ if (BN_cmp(a->pkey.dh->q, b->pkey.dh->q))
+ return 0;
+ }
+ return 1;
+}
-static int dh_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
- {
- BIGNUM *a;
+static int int_dh_bn_cpy(BIGNUM **dst, const BIGNUM *src)
+{
+ BIGNUM *a;
+
+ /*
+ * If source is read only just copy the pointer, so
+ * we don't have to reallocate it.
+ */
+ if (src == NULL)
+ a = NULL;
+ else if (BN_get_flags(src, BN_FLG_STATIC_DATA)
+ && !BN_get_flags(src, BN_FLG_MALLOCED))
+ a = (BIGNUM *)src;
+ else if ((a = BN_dup(src)) == NULL)
+ return 0;
+ BN_clear_free(*dst);
+ *dst = a;
+ return 1;
+}
- if ((a=BN_dup(from->pkey.dh->p)) == NULL)
- return 0;
- if (to->pkey.dh->p != NULL)
- BN_free(to->pkey.dh->p);
- to->pkey.dh->p=a;
+static int int_dh_param_copy(DH *to, const DH *from, int is_x942)
+{
+ if (is_x942 == -1)
+ is_x942 = ! !from->q;
+ if (!int_dh_bn_cpy(&to->p, from->p))
+ return 0;
+ if (!int_dh_bn_cpy(&to->g, from->g))
+ return 0;
+ if (is_x942) {
+ if (!int_dh_bn_cpy(&to->q, from->q))
+ return 0;
+ if (!int_dh_bn_cpy(&to->j, from->j))
+ return 0;
+ OPENSSL_free(to->seed);
+ to->seed = NULL;
+ to->seedlen = 0;
+ if (from->seed) {
+ to->seed = OPENSSL_memdup(from->seed, from->seedlen);
+ if (!to->seed)
+ return 0;
+ to->seedlen = from->seedlen;
+ }
+ } else
+ to->length = from->length;
+ to->dirty_cnt++;
+ return 1;
+}
- if ((a=BN_dup(from->pkey.dh->g)) == NULL)
- return 0;
- if (to->pkey.dh->g != NULL)
- BN_free(to->pkey.dh->g);
- to->pkey.dh->g=a;
+DH *DHparams_dup(const DH *dh)
+{
+ DH *ret;
+ ret = DH_new();
+ if (ret == NULL)
+ return NULL;
+ if (!int_dh_param_copy(ret, dh, -1)) {
+ DH_free(ret);
+ return NULL;
+ }
+ return ret;
+}
- return 1;
- }
+static int dh_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
+{
+ if (to->pkey.dh == NULL) {
+ to->pkey.dh = DH_new();
+ if (to->pkey.dh == NULL)
+ return 0;
+ }
+ return int_dh_param_copy(to->pkey.dh, from->pkey.dh,
+ from->ameth == &dhx_asn1_meth);
+}
static int dh_missing_parameters(const EVP_PKEY *a)
- {
- if (!a->pkey.dh->p || !a->pkey.dh->g)
- return 1;
- return 0;
- }
+{
+ if (a->pkey.dh == NULL || a->pkey.dh->p == NULL || a->pkey.dh->g == NULL)
+ return 1;
+ return 0;
+}
static int dh_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
- {
- if (dh_cmp_parameters(a, b) == 0)
- return 0;
- if (BN_cmp(b->pkey.dh->pub_key,a->pkey.dh->pub_key) != 0)
- return 0;
- else
- return 1;
- }
+{
+ if (dh_cmp_parameters(a, b) == 0)
+ return 0;
+ if (BN_cmp(b->pkey.dh->pub_key, a->pkey.dh->pub_key) != 0)
+ return 0;
+ else
+ return 1;
+}
static int dh_param_print(BIO *bp, const EVP_PKEY *pkey, int indent,
- ASN1_PCTX *ctx)
- {
- return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 0);
- }
+ ASN1_PCTX *ctx)
+{
+ return do_dh_print(bp, pkey->pkey.dh, indent, 0);
+}
static int dh_public_print(BIO *bp, const EVP_PKEY *pkey, int indent,
- ASN1_PCTX *ctx)
- {
- return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 1);
- }
+ ASN1_PCTX *ctx)
+{
+ return do_dh_print(bp, pkey->pkey.dh, indent, 1);
+}
static int dh_private_print(BIO *bp, const EVP_PKEY *pkey, int indent,
- ASN1_PCTX *ctx)
- {
- return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 2);
- }
+ ASN1_PCTX *ctx)
+{
+ return do_dh_print(bp, pkey->pkey.dh, indent, 2);
+}
int DHparams_print(BIO *bp, const DH *x)
- {
- return do_dh_print(bp, x, 4, NULL, 0);
- }
-
-const EVP_PKEY_ASN1_METHOD dh_asn1_meth =
- {
- EVP_PKEY_DH,
- EVP_PKEY_DH,
- 0,
-
- "DH",
- "OpenSSL PKCS#3 DH method",
-
- dh_pub_decode,
- dh_pub_encode,
- dh_pub_cmp,
- dh_public_print,
-
- dh_priv_decode,
- dh_priv_encode,
- dh_private_print,
-
- int_dh_size,
- dh_bits,
-
- dh_param_decode,
- dh_param_encode,
- dh_missing_parameters,
- dh_copy_parameters,
- dh_cmp_parameters,
- dh_param_print,
-
- int_dh_free,
- 0
- };
+{
+ return do_dh_print(bp, x, 4, 0);
+}
+
+#ifndef OPENSSL_NO_CMS
+static int dh_cms_decrypt(CMS_RecipientInfo *ri);
+static int dh_cms_encrypt(CMS_RecipientInfo *ri);
+#endif
+
+static int dh_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
+{
+ switch (op) {
+ case ASN1_PKEY_CTRL_SET1_TLS_ENCPT:
+ return dh_buf2key(EVP_PKEY_get0_DH(pkey), arg2, arg1);
+ case ASN1_PKEY_CTRL_GET1_TLS_ENCPT:
+ return dh_key2buf(EVP_PKEY_get0_DH(pkey), arg2);
+ default:
+ return -2;
+ }
+}
+
+static int dhx_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
+{
+ switch (op) {
+#ifndef OPENSSL_NO_CMS
+
+ case ASN1_PKEY_CTRL_CMS_ENVELOPE:
+ if (arg1 == 1)
+ return dh_cms_decrypt(arg2);
+ else if (arg1 == 0)
+ return dh_cms_encrypt(arg2);
+ return -2;
+
+ case ASN1_PKEY_CTRL_CMS_RI_TYPE:
+ *(int *)arg2 = CMS_RECIPINFO_AGREE;
+ return 1;
+#endif
+ default:
+ return -2;
+ }
+
+}
+
+static int dh_pkey_public_check(const EVP_PKEY *pkey)
+{
+ DH *dh = pkey->pkey.dh;
+
+ if (dh->pub_key == NULL) {
+ DHerr(DH_F_DH_PKEY_PUBLIC_CHECK, DH_R_MISSING_PUBKEY);
+ return 0;
+ }
+
+ return DH_check_pub_key_ex(dh, dh->pub_key);
+}
+
+static int dh_pkey_param_check(const EVP_PKEY *pkey)
+{
+ DH *dh = pkey->pkey.dh;
+
+ return DH_check_ex(dh);
+}
+
+static size_t dh_pkey_dirty_cnt(const EVP_PKEY *pkey)
+{
+ return pkey->pkey.dh->dirty_cnt;
+}
+
+static void *dh_pkey_export_to(const EVP_PKEY *pk, EVP_KEYMGMT *keymgmt)
+{
+ DH *dh = pk->pkey.dh;
+ OSSL_PARAM_BLD tmpl;
+ const BIGNUM *p = DH_get0_p(dh), *g = DH_get0_g(dh), *q = DH_get0_q(dh);
+ const BIGNUM *pub_key = DH_get0_pub_key(dh);
+ const BIGNUM *priv_key = DH_get0_priv_key(dh);
+ OSSL_PARAM *params;
+ void *provkey = NULL;
+
+ if (p == NULL || g == NULL)
+ return NULL;
+
+ ossl_param_bld_init(&tmpl);
+ if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_P, p)
+ || !ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_G, g))
+ return NULL;
+
+ if (q != NULL) {
+ if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_FFC_Q, q))
+ return NULL;
+ }
+
+ /*
+ * This may be used to pass domain parameters only without any key data -
+ * so "pub_key" is optional. We can never have a "priv_key" without a
+ * corresponding "pub_key" though.
+ */
+ if (pub_key != NULL) {
+ if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_DH_PUB_KEY, pub_key))
+ return NULL;
+
+ if (priv_key != NULL) {
+ if (!ossl_param_bld_push_BN(&tmpl, OSSL_PKEY_PARAM_DH_PRIV_KEY,
+ priv_key))
+ return NULL;
+ }
+ }
+
+ params = ossl_param_bld_to_param(&tmpl);
+
+ /* We export, the provider imports */
+ provkey = evp_keymgmt_importkey(keymgmt, params);
+
+ ossl_param_bld_free(params);
+ return provkey;
+}
+
+const EVP_PKEY_ASN1_METHOD dh_asn1_meth = {
+ EVP_PKEY_DH,
+ EVP_PKEY_DH,
+ 0,
+
+ "DH",
+ "OpenSSL PKCS#3 DH method",
+
+ dh_pub_decode,
+ dh_pub_encode,
+ dh_pub_cmp,
+ dh_public_print,
+
+ dh_priv_decode,
+ dh_priv_encode,
+ dh_private_print,
+
+ int_dh_size,
+ dh_bits,
+ dh_security_bits,
+
+ dh_param_decode,
+ dh_param_encode,
+ dh_missing_parameters,
+ dh_copy_parameters,
+ dh_cmp_parameters,
+ dh_param_print,
+ 0,
+
+ int_dh_free,
+ dh_pkey_ctrl,
+
+ 0, 0, 0, 0, 0,
+
+ 0,
+ dh_pkey_public_check,
+ dh_pkey_param_check,
+
+ 0, 0, 0, 0,
+
+ dh_pkey_dirty_cnt,
+ dh_pkey_export_to,
+};
+
+const EVP_PKEY_ASN1_METHOD dhx_asn1_meth = {
+ EVP_PKEY_DHX,
+ EVP_PKEY_DHX,
+ 0,
+
+ "X9.42 DH",
+ "OpenSSL X9.42 DH method",
+
+ dh_pub_decode,
+ dh_pub_encode,
+ dh_pub_cmp,
+ dh_public_print,
+
+ dh_priv_decode,
+ dh_priv_encode,
+ dh_private_print,
+
+ int_dh_size,
+ dh_bits,
+ dh_security_bits,
+
+ dh_param_decode,
+ dh_param_encode,
+ dh_missing_parameters,
+ dh_copy_parameters,
+ dh_cmp_parameters,
+ dh_param_print,
+ 0,
+
+ int_dh_free,
+ dhx_pkey_ctrl,
+
+ 0, 0, 0, 0, 0,
+
+ 0,
+ dh_pkey_public_check,
+ dh_pkey_param_check
+};
+
+#ifndef OPENSSL_NO_CMS
+
+static int dh_cms_set_peerkey(EVP_PKEY_CTX *pctx,
+ X509_ALGOR *alg, ASN1_BIT_STRING *pubkey)
+{
+ const ASN1_OBJECT *aoid;
+ int atype;
+ const void *aval;
+ ASN1_INTEGER *public_key = NULL;
+ int rv = 0;
+ EVP_PKEY *pkpeer = NULL, *pk = NULL;
+ DH *dhpeer = NULL;
+ const unsigned char *p;
+ int plen;
+
+ X509_ALGOR_get0(&aoid, &atype, &aval, alg);
+ if (OBJ_obj2nid(aoid) != NID_dhpublicnumber)
+ goto err;
+ /* Only absent parameters allowed in RFC XXXX */
+ if (atype != V_ASN1_UNDEF && atype == V_ASN1_NULL)
+ goto err;
+
+ pk = EVP_PKEY_CTX_get0_pkey(pctx);
+ if (!pk)
+ goto err;
+ if (pk->type != EVP_PKEY_DHX)
+ goto err;
+ /* Get parameters from parent key */
+ dhpeer = DHparams_dup(pk->pkey.dh);
+ /* We have parameters now set public key */
+ plen = ASN1_STRING_length(pubkey);
+ p = ASN1_STRING_get0_data(pubkey);
+ if (!p || !plen)
+ goto err;
+
+ if ((public_key = d2i_ASN1_INTEGER(NULL, &p, plen)) == NULL) {
+ DHerr(DH_F_DH_CMS_SET_PEERKEY, DH_R_DECODE_ERROR);
+ goto err;
+ }
+
+ /* We have parameters now set public key */
+ if ((dhpeer->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)) == NULL) {
+ DHerr(DH_F_DH_CMS_SET_PEERKEY, DH_R_BN_DECODE_ERROR);
+ goto err;
+ }
+
+ pkpeer = EVP_PKEY_new();
+ if (pkpeer == NULL)
+ goto err;
+ EVP_PKEY_assign(pkpeer, pk->ameth->pkey_id, dhpeer);
+ dhpeer = NULL;
+ if (EVP_PKEY_derive_set_peer(pctx, pkpeer) > 0)
+ rv = 1;
+ err:
+ ASN1_INTEGER_free(public_key);
+ EVP_PKEY_free(pkpeer);
+ DH_free(dhpeer);
+ return rv;
+}
+
+static int dh_cms_set_shared_info(EVP_PKEY_CTX *pctx, CMS_RecipientInfo *ri)
+{
+ int rv = 0;
+
+ X509_ALGOR *alg, *kekalg = NULL;
+ ASN1_OCTET_STRING *ukm;
+ const unsigned char *p;
+ unsigned char *dukm = NULL;
+ size_t dukmlen = 0;
+ int keylen, plen;
+ const EVP_CIPHER *kekcipher;
+ EVP_CIPHER_CTX *kekctx;
+
+ if (!CMS_RecipientInfo_kari_get0_alg(ri, &alg, &ukm))
+ goto err;
+
+ /*
+ * For DH we only have one OID permissible. If ever any more get defined
+ * we will need something cleverer.
+ */
+ if (OBJ_obj2nid(alg->algorithm) != NID_id_smime_alg_ESDH) {
+ DHerr(DH_F_DH_CMS_SET_SHARED_INFO, DH_R_KDF_PARAMETER_ERROR);
+ goto err;
+ }
+
+ if (EVP_PKEY_CTX_set_dh_kdf_type(pctx, EVP_PKEY_DH_KDF_X9_42) <= 0)
+ goto err;
+
+ if (EVP_PKEY_CTX_set_dh_kdf_md(pctx, EVP_sha1()) <= 0)
+ goto err;
+
+ if (alg->parameter->type != V_ASN1_SEQUENCE)
+ goto err;
+
+ p = alg->parameter->value.sequence->data;
+ plen = alg->parameter->value.sequence->length;
+ kekalg = d2i_X509_ALGOR(NULL, &p, plen);
+ if (!kekalg)
+ goto err;
+ kekctx = CMS_RecipientInfo_kari_get0_ctx(ri);
+ if (!kekctx)
+ goto err;
+ kekcipher = EVP_get_cipherbyobj(kekalg->algorithm);
+ if (!kekcipher || EVP_CIPHER_mode(kekcipher) != EVP_CIPH_WRAP_MODE)
+ goto err;
+ if (!EVP_EncryptInit_ex(kekctx, kekcipher, NULL, NULL, NULL))
+ goto err;
+ if (EVP_CIPHER_asn1_to_param(kekctx, kekalg->parameter) <= 0)
+ goto err;
+
+ keylen = EVP_CIPHER_CTX_key_length(kekctx);
+ if (EVP_PKEY_CTX_set_dh_kdf_outlen(pctx, keylen) <= 0)
+ goto err;
+ /* Use OBJ_nid2obj to ensure we use built in OID that isn't freed */
+ if (EVP_PKEY_CTX_set0_dh_kdf_oid(pctx,
+ OBJ_nid2obj(EVP_CIPHER_type(kekcipher)))
+ <= 0)
+ goto err;
+
+ if (ukm) {
+ dukmlen = ASN1_STRING_length(ukm);
+ dukm = OPENSSL_memdup(ASN1_STRING_get0_data(ukm), dukmlen);
+ if (!dukm)
+ goto err;
+ }
+
+ if (EVP_PKEY_CTX_set0_dh_kdf_ukm(pctx, dukm, dukmlen) <= 0)
+ goto err;
+ dukm = NULL;
+
+ rv = 1;
+ err:
+ X509_ALGOR_free(kekalg);
+ OPENSSL_free(dukm);
+ return rv;
+}
+
+static int dh_cms_decrypt(CMS_RecipientInfo *ri)
+{
+ EVP_PKEY_CTX *pctx;
+ pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
+ if (!pctx)
+ return 0;
+ /* See if we need to set peer key */
+ if (!EVP_PKEY_CTX_get0_peerkey(pctx)) {
+ X509_ALGOR *alg;
+ ASN1_BIT_STRING *pubkey;
+ if (!CMS_RecipientInfo_kari_get0_orig_id(ri, &alg, &pubkey,
+ NULL, NULL, NULL))
+ return 0;
+ if (!alg || !pubkey)
+ return 0;
+ if (!dh_cms_set_peerkey(pctx, alg, pubkey)) {
+ DHerr(DH_F_DH_CMS_DECRYPT, DH_R_PEER_KEY_ERROR);
+ return 0;
+ }
+ }
+ /* Set DH derivation parameters and initialise unwrap context */
+ if (!dh_cms_set_shared_info(pctx, ri)) {
+ DHerr(DH_F_DH_CMS_DECRYPT, DH_R_SHARED_INFO_ERROR);
+ return 0;
+ }
+ return 1;
+}
+
+static int dh_cms_encrypt(CMS_RecipientInfo *ri)
+{
+ EVP_PKEY_CTX *pctx;
+ EVP_PKEY *pkey;
+ EVP_CIPHER_CTX *ctx;
+ int keylen;
+ X509_ALGOR *talg, *wrap_alg = NULL;
+ const ASN1_OBJECT *aoid;
+ ASN1_BIT_STRING *pubkey;
+ ASN1_STRING *wrap_str;
+ ASN1_OCTET_STRING *ukm;
+ unsigned char *penc = NULL, *dukm = NULL;
+ int penclen;
+ size_t dukmlen = 0;
+ int rv = 0;
+ int kdf_type, wrap_nid;
+ const EVP_MD *kdf_md;
+ pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
+ if (!pctx)
+ return 0;
+ /* Get ephemeral key */
+ pkey = EVP_PKEY_CTX_get0_pkey(pctx);
+ if (!CMS_RecipientInfo_kari_get0_orig_id(ri, &talg, &pubkey,
+ NULL, NULL, NULL))
+ goto err;
+ X509_ALGOR_get0(&aoid, NULL, NULL, talg);
+ /* Is everything uninitialised? */
+ if (aoid == OBJ_nid2obj(NID_undef)) {
+ ASN1_INTEGER *pubk = BN_to_ASN1_INTEGER(pkey->pkey.dh->pub_key, NULL);
+ if (!pubk)
+ goto err;
+ /* Set the key */
+
+ penclen = i2d_ASN1_INTEGER(pubk, &penc);
+ ASN1_INTEGER_free(pubk);
+ if (penclen <= 0)
+ goto err;
+ ASN1_STRING_set0(pubkey, penc, penclen);
+ pubkey->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
+ pubkey->flags |= ASN1_STRING_FLAG_BITS_LEFT;
+
+ penc = NULL;
+ X509_ALGOR_set0(talg, OBJ_nid2obj(NID_dhpublicnumber),
+ V_ASN1_UNDEF, NULL);
+ }
+
+ /* See if custom parameters set */
+ kdf_type = EVP_PKEY_CTX_get_dh_kdf_type(pctx);
+ if (kdf_type <= 0)
+ goto err;
+ if (!EVP_PKEY_CTX_get_dh_kdf_md(pctx, &kdf_md))
+ goto err;
+
+ if (kdf_type == EVP_PKEY_DH_KDF_NONE) {
+ kdf_type = EVP_PKEY_DH_KDF_X9_42;
+ if (EVP_PKEY_CTX_set_dh_kdf_type(pctx, kdf_type) <= 0)
+ goto err;
+ } else if (kdf_type != EVP_PKEY_DH_KDF_X9_42)
+ /* Unknown KDF */
+ goto err;
+ if (kdf_md == NULL) {
+ /* Only SHA1 supported */
+ kdf_md = EVP_sha1();
+ if (EVP_PKEY_CTX_set_dh_kdf_md(pctx, kdf_md) <= 0)
+ goto err;
+ } else if (EVP_MD_type(kdf_md) != NID_sha1)
+ /* Unsupported digest */
+ goto err;
+
+ if (!CMS_RecipientInfo_kari_get0_alg(ri, &talg, &ukm))
+ goto err;
+
+ /* Get wrap NID */
+ ctx = CMS_RecipientInfo_kari_get0_ctx(ri);
+ wrap_nid = EVP_CIPHER_CTX_type(ctx);
+ if (EVP_PKEY_CTX_set0_dh_kdf_oid(pctx, OBJ_nid2obj(wrap_nid)) <= 0)
+ goto err;
+ keylen = EVP_CIPHER_CTX_key_length(ctx);
+
+ /* Package wrap algorithm in an AlgorithmIdentifier */
+
+ wrap_alg = X509_ALGOR_new();
+ if (wrap_alg == NULL)
+ goto err;
+ wrap_alg->algorithm = OBJ_nid2obj(wrap_nid);
+ wrap_alg->parameter = ASN1_TYPE_new();
+ if (wrap_alg->parameter == NULL)
+ goto err;
+ if (EVP_CIPHER_param_to_asn1(ctx, wrap_alg->parameter) <= 0)
+ goto err;
+ if (ASN1_TYPE_get(wrap_alg->parameter) == NID_undef) {
+ ASN1_TYPE_free(wrap_alg->parameter);
+ wrap_alg->parameter = NULL;
+ }
+
+ if (EVP_PKEY_CTX_set_dh_kdf_outlen(pctx, keylen) <= 0)
+ goto err;
+
+ if (ukm) {
+ dukmlen = ASN1_STRING_length(ukm);
+ dukm = OPENSSL_memdup(ASN1_STRING_get0_data(ukm), dukmlen);
+ if (!dukm)
+ goto err;
+ }
+
+ if (EVP_PKEY_CTX_set0_dh_kdf_ukm(pctx, dukm, dukmlen) <= 0)
+ goto err;
+ dukm = NULL;
+
+ /*
+ * Now need to wrap encoding of wrap AlgorithmIdentifier into parameter
+ * of another AlgorithmIdentifier.
+ */
+ penc = NULL;
+ penclen = i2d_X509_ALGOR(wrap_alg, &penc);
+ if (!penc || !penclen)
+ goto err;
+ wrap_str = ASN1_STRING_new();
+ if (wrap_str == NULL)
+ goto err;
+ ASN1_STRING_set0(wrap_str, penc, penclen);
+ penc = NULL;
+ X509_ALGOR_set0(talg, OBJ_nid2obj(NID_id_smime_alg_ESDH),
+ V_ASN1_SEQUENCE, wrap_str);
+
+ rv = 1;
+
+ err:
+ OPENSSL_free(penc);
+ X509_ALGOR_free(wrap_alg);
+ return rv;
+}
+#endif
projects / openssl.git / blobdiff