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flutter / third_party / openssl / b89670ef0e007dbb1dc84388bf9f47372c9f1087 / . / crypto / evp / evp_pkey.c
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/* evp_pkey.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
* project 1999.
*/
/* ====================================================================
* Copyright (c) 1999-2002 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).
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "cryptlib.h"
#include <openssl/x509.h>
#include <openssl/rand.h>
#ifndef OPENSSL_NO_DSA
static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_ECDSA
static int ecdsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
#endif
/* Extract a private key from a PKCS8 structure */
EVP_PKEY *EVP_PKCS82PKEY (PKCS8_PRIV_KEY_INFO *p8)
{
EVP_PKEY *pkey = NULL;
#ifndef OPENSSL_NO_RSA
RSA *rsa = NULL;
#endif
#ifndef OPENSSL_NO_DSA
DSA *dsa = NULL;
#endif
#ifndef OPENSSL_NO_ECDSA
ECDSA *ecdsa = NULL;
#endif
#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
ASN1_INTEGER *privkey;
ASN1_TYPE *t1, *t2, *param = NULL;
STACK_OF(ASN1_TYPE) *n_stack = NULL;
BN_CTX *ctx = NULL;
int plen;
#endif
X509_ALGOR *a;
unsigned char *p;
const unsigned char *cp;
int pkeylen;
int nid;
char obj_tmp[80];
if(p8->pkey->type == V_ASN1_OCTET_STRING) {
p8->broken = PKCS8_OK;
p = p8->pkey->value.octet_string->data;
pkeylen = p8->pkey->value.octet_string->length;
} else {
p8->broken = PKCS8_NO_OCTET;
p = p8->pkey->value.sequence->data;
pkeylen = p8->pkey->value.sequence->length;
}
if (!(pkey = EVP_PKEY_new())) {
EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
return NULL;
}
a = p8->pkeyalg;
nid = OBJ_obj2nid(a->algorithm);
switch(nid)
{
#ifndef OPENSSL_NO_RSA
case NID_rsaEncryption:
cp = p;
if (!(rsa = d2i_RSAPrivateKey (NULL,&cp, pkeylen))) {
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
return NULL;
}
EVP_PKEY_assign_RSA (pkey, rsa);
break;
#endif
#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
case NID_ecdsa_with_SHA1:
case NID_dsa:
/* PKCS#8 DSA/ECDSA is weird: you just get a private key integer
* and parameters in the AlgorithmIdentifier the pubkey must
* be recalculated.
*/
/* Check for broken DSA/ECDSA PKCS#8, UGH! */
if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED))
{
if(!(n_stack = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen,
d2i_ASN1_TYPE,
ASN1_TYPE_free)))
{
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
if(sk_ASN1_TYPE_num(n_stack) != 2 )
{
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
/* Handle Two broken types:
* SEQUENCE {parameters, priv_key}
* SEQUENCE {pub_key, priv_key}
*/
t1 = sk_ASN1_TYPE_value(n_stack, 0);
t2 = sk_ASN1_TYPE_value(n_stack, 1);
if(t1->type == V_ASN1_SEQUENCE)
{
p8->broken = PKCS8_EMBEDDED_PARAM;
param = t1;
}
else if(a->parameter->type == V_ASN1_SEQUENCE)
{
p8->broken = PKCS8_NS_DB;
param = a->parameter;
}
else
{
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
if(t2->type != V_ASN1_INTEGER) {
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
privkey = t2->value.integer;
}
else
{
if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen)))
{
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
param = p8->pkeyalg->parameter;
}
if (!param || (param->type != V_ASN1_SEQUENCE))
{
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
cp = p = param->value.sequence->data;
plen = param->value.sequence->length;
if (!(ctx = BN_CTX_new()))
{
EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
goto err;
}
if (nid == NID_dsa)
{
#ifndef OPENSSL_NO_DSA
if (!(dsa = d2i_DSAparams (NULL, &cp, plen)))
{
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
/* We have parameters now set private key */
if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL)))
{
EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_DECODE_ERROR);
goto err;
}
/* Calculate public key (ouch!) */
if (!(dsa->pub_key = BN_new()))
{
EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
goto err;
}
if (!BN_mod_exp(dsa->pub_key, dsa->g,
dsa->priv_key, dsa->p, ctx))
{
EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_PUBKEY_ERROR);
goto err;
}
EVP_PKEY_assign_DSA(pkey, dsa);
BN_CTX_free(ctx);
if(n_stack) sk_ASN1_TYPE_pop_free(n_stack, ASN1_TYPE_free);
else ASN1_INTEGER_free(privkey);
#else
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
goto err;
#endif
}
else /* nid == NID_ecdsa_with_SHA1 */
{
#ifndef OPENSSL_NO_ECDSA
if ((ecdsa = d2i_ECDSAParameters(NULL, &cp, plen)) == NULL)
{
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
if ((ecdsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL)) == NULL)
{
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
goto err;
}
if ((ecdsa->pub_key = EC_POINT_new(ecdsa->group)) == NULL)
{
EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
goto err;
}
if (!EC_POINT_copy(ecdsa->pub_key, EC_GROUP_get0_generator(ecdsa->group)))
{
EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
goto err;
}
if (!EC_POINT_mul(ecdsa->group, ecdsa->pub_key, ecdsa->priv_key,
NULL, NULL, ctx))
{
EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
goto err;
}
EVP_PKEY_assign_ECDSA(pkey, ecdsa);
BN_CTX_free(ctx);
if (n_stack) sk_ASN1_TYPE_pop_free(n_stack, ASN1_TYPE_free);
else
ASN1_INTEGER_free(privkey);
#else
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
goto err;
#endif
}
break;
err:
if (ctx) BN_CTX_free(ctx);
sk_ASN1_TYPE_pop_free(n_stack, ASN1_TYPE_free);
#ifndef OPENSSL_NO_DSA
if (dsa) DSA_free(dsa);
#endif
#ifndef OPENSSL_NO_ECDSA
if (ecdsa) ECDSA_free(ecdsa);
#endif
if (pkey) EVP_PKEY_free(pkey);
return NULL;
break;
#endif
default:
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
if (!a->algorithm) strcpy (obj_tmp, "NULL");
else i2t_ASN1_OBJECT(obj_tmp, 80, a->algorithm);
ERR_add_error_data(2, "TYPE=", obj_tmp);
EVP_PKEY_free (pkey);
return NULL;
}
return pkey;
}
PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
{
return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK);
}
/* Turn a private key into a PKCS8 structure */
PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken)
{
PKCS8_PRIV_KEY_INFO *p8;
if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
return NULL;
}
p8->broken = broken;
ASN1_INTEGER_set (p8->version, 0);
if (!(p8->pkeyalg->parameter = ASN1_TYPE_new ())) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
PKCS8_PRIV_KEY_INFO_free (p8);
return NULL;
}
p8->pkey->type = V_ASN1_OCTET_STRING;
switch (EVP_PKEY_type(pkey->type)) {
#ifndef OPENSSL_NO_RSA
case EVP_PKEY_RSA:
if(p8->broken == PKCS8_NO_OCTET) p8->pkey->type = V_ASN1_SEQUENCE;
p8->pkeyalg->algorithm = OBJ_nid2obj(NID_rsaEncryption);
p8->pkeyalg->parameter->type = V_ASN1_NULL;
if (!ASN1_pack_string ((char *)pkey, i2d_PrivateKey,
&p8->pkey->value.octet_string)) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
PKCS8_PRIV_KEY_INFO_free (p8);
return NULL;
}
break;
#endif
#ifndef OPENSSL_NO_DSA
case EVP_PKEY_DSA:
if(!dsa_pkey2pkcs8(p8, pkey)) {
PKCS8_PRIV_KEY_INFO_free (p8);
return NULL;
}
break;
#endif
#ifndef OPENSSL_NO_ECDSA
case EVP_PKEY_ECDSA:
if (!ecdsa_pkey2pkcs8(p8, pkey))
{
PKCS8_PRIV_KEY_INFO_free(p8);
return(NULL);
}
break;
#endif
default:
EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
PKCS8_PRIV_KEY_INFO_free (p8);
return NULL;
}
RAND_add(p8->pkey->value.octet_string->data,
p8->pkey->value.octet_string->length, 0);
return p8;
}
PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
{
switch (broken) {
case PKCS8_OK:
p8->broken = PKCS8_OK;
return p8;
break;
case PKCS8_NO_OCTET:
p8->broken = PKCS8_NO_OCTET;
p8->pkey->type = V_ASN1_SEQUENCE;
return p8;
break;
default:
EVPerr(EVP_F_EVP_PKCS8_SET_BROKEN,EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE);
return NULL;
break;
}
}
#ifndef OPENSSL_NO_DSA
static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
{
ASN1_STRING *params;
ASN1_INTEGER *prkey;
ASN1_TYPE *ttmp;
STACK_OF(ASN1_TYPE) *ndsa;
unsigned char *p, *q;
int len;
p8->pkeyalg->algorithm = OBJ_nid2obj(NID_dsa);
len = i2d_DSAparams (pkey->pkey.dsa, NULL);
if (!(p = OPENSSL_malloc(len))) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
PKCS8_PRIV_KEY_INFO_free (p8);
return 0;
}
q = p;
i2d_DSAparams (pkey->pkey.dsa, &q);
params = ASN1_STRING_new();
ASN1_STRING_set(params, p, len);
OPENSSL_free(p);
/* Get private key into integer */
if (!(prkey = BN_to_ASN1_INTEGER (pkey->pkey.dsa->priv_key, NULL))) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
return 0;
}
switch(p8->broken) {
case PKCS8_OK:
case PKCS8_NO_OCTET:
if (!ASN1_pack_string((char *)prkey, i2d_ASN1_INTEGER,
&p8->pkey->value.octet_string)) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
M_ASN1_INTEGER_free (prkey);
return 0;
}
M_ASN1_INTEGER_free (prkey);
p8->pkeyalg->parameter->value.sequence = params;
p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
break;
case PKCS8_NS_DB:
p8->pkeyalg->parameter->value.sequence = params;
p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
ndsa = sk_ASN1_TYPE_new_null();
ttmp = ASN1_TYPE_new();
if (!(ttmp->value.integer = BN_to_ASN1_INTEGER (pkey->pkey.dsa->pub_key, NULL))) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
PKCS8_PRIV_KEY_INFO_free(p8);
return 0;
}
ttmp->type = V_ASN1_INTEGER;
sk_ASN1_TYPE_push(ndsa, ttmp);
ttmp = ASN1_TYPE_new();
ttmp->value.integer = prkey;
ttmp->type = V_ASN1_INTEGER;
sk_ASN1_TYPE_push(ndsa, ttmp);
p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
&p8->pkey->value.octet_string->data,
&p8->pkey->value.octet_string->length)) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
M_ASN1_INTEGER_free(prkey);
return 0;
}
sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
break;
case PKCS8_EMBEDDED_PARAM:
p8->pkeyalg->parameter->type = V_ASN1_NULL;
ndsa = sk_ASN1_TYPE_new_null();
ttmp = ASN1_TYPE_new();
ttmp->value.sequence = params;
ttmp->type = V_ASN1_SEQUENCE;
sk_ASN1_TYPE_push(ndsa, ttmp);
ttmp = ASN1_TYPE_new();
ttmp->value.integer = prkey;
ttmp->type = V_ASN1_INTEGER;
sk_ASN1_TYPE_push(ndsa, ttmp);
p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
&p8->pkey->value.octet_string->data,
&p8->pkey->value.octet_string->length)) {
EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
M_ASN1_INTEGER_free (prkey);
return 0;
}
sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
break;
}
return 1;
}
#endif
#ifndef OPENSSL_NO_ECDSA
static int ecdsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
{
ASN1_STRING *params=NULL;
ASN1_INTEGER *prkey=NULL;
ASN1_TYPE *ttmp=NULL;
STACK_OF(ASN1_TYPE) *necdsa=NULL;
unsigned char *p=NULL, *q=NULL;
int len=0;
EC_POINT *point=NULL;
if (pkey->pkey.ecdsa == NULL || pkey->pkey.ecdsa->group == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, EVP_R_MISSING_PARAMETERS);
return 0;
}
p8->pkeyalg->algorithm = OBJ_nid2obj(NID_ecdsa_with_SHA1);
len = i2d_ECDSAParameters(pkey->pkey.ecdsa, NULL);
if ((p = OPENSSL_malloc(len)) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
return 0;
}
q = p;
if (!i2d_ECDSAParameters(pkey->pkey.ecdsa, &q))
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_ECDSA_LIB);
OPENSSL_free(p);
return 0;
}
if ((params = ASN1_STRING_new()) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
OPENSSL_free(p);
return 0;
}
if (!ASN1_STRING_set(params, p, len))
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_ASN1_LIB);
OPENSSL_free(p);
return 0;
}
OPENSSL_free(p);
if ((prkey = BN_to_ASN1_INTEGER(pkey->pkey.ecdsa->priv_key, NULL)) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_ASN1_LIB);
return 0;
}
switch(p8->broken) {
case PKCS8_OK:
case PKCS8_NO_OCTET:
if (!ASN1_pack_string((char *)prkey, i2d_ASN1_INTEGER,
&p8->pkey->value.octet_string))
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
M_ASN1_INTEGER_free(prkey);
return 0;
}
ASN1_INTEGER_free(prkey);
p8->pkeyalg->parameter->value.sequence = params;
p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
break;
case PKCS8_NS_DB:
p8->pkeyalg->parameter->value.sequence = params;
p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
necdsa = sk_ASN1_TYPE_new_null();
if (necdsa == NULL || (ttmp = ASN1_TYPE_new()) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
return 0;
}
if ((point = EC_GROUP_get0_generator(pkey->pkey.ecdsa->group)) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_EC_LIB);
return 0;
}
len = EC_POINT_point2oct(pkey->pkey.ecdsa->group, point, ECDSA_get_conversion_form(pkey->pkey.ecdsa),
NULL, 0, NULL);
p = OPENSSL_malloc(len);
if (!len || !p || !EC_POINT_point2oct(pkey->pkey.ecdsa->group, point,
ECDSA_get_conversion_form(pkey->pkey.ecdsa), p, len, NULL))
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_EC_LIB);
OPENSSL_free(p);
return 0;
}
if ((ttmp->value.octet_string = ASN1_OCTET_STRING_new()) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
return 0;
}
if (!ASN1_OCTET_STRING_set(ttmp->value.octet_string, p, len))
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, EVP_R_ASN1_LIB);
return 0;
}
OPENSSL_free(p);
ttmp->type = V_ASN1_OCTET_STRING;
if (!sk_ASN1_TYPE_push(necdsa, ttmp))
{
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
ASN1_INTEGER_free(prkey);
return 0;
}
if ((ttmp = ASN1_TYPE_new()) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
return 0;
}
ttmp->value.integer = prkey;
ttmp->type = V_ASN1_INTEGER;
if (!sk_ASN1_TYPE_push(necdsa, ttmp))
{
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
ASN1_INTEGER_free(prkey);
return 0;
}
if ((p8->pkey->value.octet_string = ASN1_OCTET_STRING_new()) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
return 0;
}
if (!ASN1_seq_pack_ASN1_TYPE(necdsa, i2d_ASN1_TYPE,
&p8->pkey->value.octet_string->data,
&p8->pkey->value.octet_string->length))
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
return 0;
}
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
break;
case PKCS8_EMBEDDED_PARAM:
p8->pkeyalg->parameter->type = V_ASN1_NULL;
necdsa = sk_ASN1_TYPE_new_null();
if ((ttmp = ASN1_TYPE_new()) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
ASN1_INTEGER_free(prkey);
return 0;
}
ttmp->value.sequence = params;
ttmp->type = V_ASN1_SEQUENCE;
if (!sk_ASN1_TYPE_push(necdsa, ttmp))
{
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
ASN1_INTEGER_free(prkey);
return 0;
}
if ((ttmp = ASN1_TYPE_new()) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
ASN1_INTEGER_free(prkey);
return 0;
}
ttmp->value.integer = prkey;
ttmp->type = V_ASN1_INTEGER;
if (!sk_ASN1_TYPE_push(necdsa, ttmp))
{
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
ASN1_INTEGER_free(prkey);
return 0;
}
if ((p8->pkey->value.octet_string = ASN1_OCTET_STRING_new()) == NULL)
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
return 0;
}
if (!ASN1_seq_pack_ASN1_TYPE(necdsa, i2d_ASN1_TYPE,
&p8->pkey->value.octet_string->data,
&p8->pkey->value.octet_string->length))
{
EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
return 0;
}
sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
break;
}
return 1;
}
#endif