2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
62 #include <openssl/x509.h>
63 #include <openssl/rand.h>
65 #ifndef OPENSSL_NO_DSA
66 static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
68 #ifndef OPENSSL_NO_ECDSA
69 static int ecdsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
72 /* Extract a private key from a PKCS8 structure */
74 EVP_PKEY *EVP_PKCS82PKEY (PKCS8_PRIV_KEY_INFO *p8)
76 EVP_PKEY *pkey = NULL;
77 #ifndef OPENSSL_NO_RSA
80 #ifndef OPENSSL_NO_DSA
83 #ifndef OPENSSL_NO_ECDSA
86 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
87 ASN1_INTEGER *privkey;
88 ASN1_TYPE *t1, *t2, *param = NULL;
89 STACK_OF(ASN1_TYPE) *n_stack = NULL;
95 const unsigned char *cp;
100 if(p8->pkey->type == V_ASN1_OCTET_STRING) {
101 p8->broken = PKCS8_OK;
102 p = p8->pkey->value.octet_string->data;
103 pkeylen = p8->pkey->value.octet_string->length;
105 p8->broken = PKCS8_NO_OCTET;
106 p = p8->pkey->value.sequence->data;
107 pkeylen = p8->pkey->value.sequence->length;
109 if (!(pkey = EVP_PKEY_new())) {
110 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
114 nid = OBJ_obj2nid(a->algorithm);
117 #ifndef OPENSSL_NO_RSA
118 case NID_rsaEncryption:
120 if (!(rsa = d2i_RSAPrivateKey (NULL,&cp, pkeylen))) {
121 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
124 EVP_PKEY_assign_RSA (pkey, rsa);
127 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
128 case NID_ecdsa_with_SHA1:
130 /* PKCS#8 DSA/ECDSA is weird: you just get a private key integer
131 * and parameters in the AlgorithmIdentifier the pubkey must
135 /* Check for broken DSA/ECDSA PKCS#8, UGH! */
136 if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED))
138 if(!(n_stack = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen,
142 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
145 if(sk_ASN1_TYPE_num(n_stack) != 2 )
147 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
150 /* Handle Two broken types:
151 * SEQUENCE {parameters, priv_key}
152 * SEQUENCE {pub_key, priv_key}
155 t1 = sk_ASN1_TYPE_value(n_stack, 0);
156 t2 = sk_ASN1_TYPE_value(n_stack, 1);
157 if(t1->type == V_ASN1_SEQUENCE)
159 p8->broken = PKCS8_EMBEDDED_PARAM;
162 else if(a->parameter->type == V_ASN1_SEQUENCE)
164 p8->broken = PKCS8_NS_DB;
165 param = a->parameter;
169 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
173 if(t2->type != V_ASN1_INTEGER) {
174 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
177 privkey = t2->value.integer;
181 if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen)))
183 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
186 param = p8->pkeyalg->parameter;
188 if (!param || (param->type != V_ASN1_SEQUENCE))
190 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
193 cp = p = param->value.sequence->data;
194 plen = param->value.sequence->length;
195 if (!(ctx = BN_CTX_new()))
197 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
202 #ifndef OPENSSL_NO_DSA
203 if (!(dsa = d2i_DSAparams (NULL, &cp, plen)))
205 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
208 /* We have parameters now set private key */
209 if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL)))
211 EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_DECODE_ERROR);
214 /* Calculate public key (ouch!) */
215 if (!(dsa->pub_key = BN_new()))
217 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
220 if (!BN_mod_exp(dsa->pub_key, dsa->g,
221 dsa->priv_key, dsa->p, ctx))
223 EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_PUBKEY_ERROR);
227 EVP_PKEY_assign_DSA(pkey, dsa);
229 if(n_stack) sk_ASN1_TYPE_pop_free(n_stack, ASN1_TYPE_free);
230 else ASN1_INTEGER_free(privkey);
232 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
236 else /* nid == NID_ecdsa_with_SHA1 */
238 #ifndef OPENSSL_NO_ECDSA
239 if ((ecdsa = d2i_ECDSAParameters(NULL, &cp, plen)) == NULL)
241 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
244 if ((ecdsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL)) == NULL)
246 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
249 if ((ecdsa->pub_key = EC_POINT_new(ecdsa->group)) == NULL)
251 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
254 if (!EC_POINT_copy(ecdsa->pub_key, EC_GROUP_get0_generator(ecdsa->group)))
256 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
259 if (!EC_POINT_mul(ecdsa->group, ecdsa->pub_key, ecdsa->priv_key,
262 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
266 EVP_PKEY_assign_ECDSA(pkey, ecdsa);
268 if (n_stack) sk_ASN1_TYPE_pop_free(n_stack, ASN1_TYPE_free);
270 ASN1_INTEGER_free(privkey);
272 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
278 if (ctx) BN_CTX_free(ctx);
279 sk_ASN1_TYPE_pop_free(n_stack, ASN1_TYPE_free);
280 #ifndef OPENSSL_NO_DSA
281 if (dsa) DSA_free(dsa);
283 #ifndef OPENSSL_NO_ECDSA
284 if (ecdsa) ECDSA_free(ecdsa);
286 if (pkey) EVP_PKEY_free(pkey);
291 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
292 if (!a->algorithm) strcpy (obj_tmp, "NULL");
293 else i2t_ASN1_OBJECT(obj_tmp, 80, a->algorithm);
294 ERR_add_error_data(2, "TYPE=", obj_tmp);
295 EVP_PKEY_free (pkey);
301 PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
303 return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK);
306 /* Turn a private key into a PKCS8 structure */
308 PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken)
310 PKCS8_PRIV_KEY_INFO *p8;
312 if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
313 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
317 ASN1_INTEGER_set (p8->version, 0);
318 if (!(p8->pkeyalg->parameter = ASN1_TYPE_new ())) {
319 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
320 PKCS8_PRIV_KEY_INFO_free (p8);
323 p8->pkey->type = V_ASN1_OCTET_STRING;
324 switch (EVP_PKEY_type(pkey->type)) {
325 #ifndef OPENSSL_NO_RSA
328 if(p8->broken == PKCS8_NO_OCTET) p8->pkey->type = V_ASN1_SEQUENCE;
330 p8->pkeyalg->algorithm = OBJ_nid2obj(NID_rsaEncryption);
331 p8->pkeyalg->parameter->type = V_ASN1_NULL;
332 if (!ASN1_pack_string ((char *)pkey, i2d_PrivateKey,
333 &p8->pkey->value.octet_string)) {
334 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
335 PKCS8_PRIV_KEY_INFO_free (p8);
340 #ifndef OPENSSL_NO_DSA
342 if(!dsa_pkey2pkcs8(p8, pkey)) {
343 PKCS8_PRIV_KEY_INFO_free (p8);
349 #ifndef OPENSSL_NO_ECDSA
351 if (!ecdsa_pkey2pkcs8(p8, pkey))
353 PKCS8_PRIV_KEY_INFO_free(p8);
359 EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
360 PKCS8_PRIV_KEY_INFO_free (p8);
363 RAND_add(p8->pkey->value.octet_string->data,
364 p8->pkey->value.octet_string->length, 0);
368 PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
373 p8->broken = PKCS8_OK;
378 p8->broken = PKCS8_NO_OCTET;
379 p8->pkey->type = V_ASN1_SEQUENCE;
384 EVPerr(EVP_F_EVP_PKCS8_SET_BROKEN,EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE);
391 #ifndef OPENSSL_NO_DSA
392 static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
397 STACK_OF(ASN1_TYPE) *ndsa;
398 unsigned char *p, *q;
401 p8->pkeyalg->algorithm = OBJ_nid2obj(NID_dsa);
402 len = i2d_DSAparams (pkey->pkey.dsa, NULL);
403 if (!(p = OPENSSL_malloc(len))) {
404 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
405 PKCS8_PRIV_KEY_INFO_free (p8);
409 i2d_DSAparams (pkey->pkey.dsa, &q);
410 params = ASN1_STRING_new();
411 ASN1_STRING_set(params, p, len);
413 /* Get private key into integer */
414 if (!(prkey = BN_to_ASN1_INTEGER (pkey->pkey.dsa->priv_key, NULL))) {
415 EVPerr(EVP_F_EVP_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
424 if (!ASN1_pack_string((char *)prkey, i2d_ASN1_INTEGER,
425 &p8->pkey->value.octet_string)) {
426 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
427 M_ASN1_INTEGER_free (prkey);
431 M_ASN1_INTEGER_free (prkey);
432 p8->pkeyalg->parameter->value.sequence = params;
433 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
439 p8->pkeyalg->parameter->value.sequence = params;
440 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
441 ndsa = sk_ASN1_TYPE_new_null();
442 ttmp = ASN1_TYPE_new();
443 if (!(ttmp->value.integer = BN_to_ASN1_INTEGER (pkey->pkey.dsa->pub_key, NULL))) {
444 EVPerr(EVP_F_EVP_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
445 PKCS8_PRIV_KEY_INFO_free(p8);
448 ttmp->type = V_ASN1_INTEGER;
449 sk_ASN1_TYPE_push(ndsa, ttmp);
451 ttmp = ASN1_TYPE_new();
452 ttmp->value.integer = prkey;
453 ttmp->type = V_ASN1_INTEGER;
454 sk_ASN1_TYPE_push(ndsa, ttmp);
456 p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
458 if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
459 &p8->pkey->value.octet_string->data,
460 &p8->pkey->value.octet_string->length)) {
462 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
463 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
464 M_ASN1_INTEGER_free(prkey);
467 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
470 case PKCS8_EMBEDDED_PARAM:
472 p8->pkeyalg->parameter->type = V_ASN1_NULL;
473 ndsa = sk_ASN1_TYPE_new_null();
474 ttmp = ASN1_TYPE_new();
475 ttmp->value.sequence = params;
476 ttmp->type = V_ASN1_SEQUENCE;
477 sk_ASN1_TYPE_push(ndsa, ttmp);
479 ttmp = ASN1_TYPE_new();
480 ttmp->value.integer = prkey;
481 ttmp->type = V_ASN1_INTEGER;
482 sk_ASN1_TYPE_push(ndsa, ttmp);
484 p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
486 if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
487 &p8->pkey->value.octet_string->data,
488 &p8->pkey->value.octet_string->length)) {
490 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
491 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
492 M_ASN1_INTEGER_free (prkey);
495 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
502 #ifndef OPENSSL_NO_ECDSA
503 static int ecdsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
505 ASN1_STRING *params=NULL;
506 ASN1_INTEGER *prkey=NULL;
507 ASN1_TYPE *ttmp=NULL;
508 STACK_OF(ASN1_TYPE) *necdsa=NULL;
509 unsigned char *p=NULL, *q=NULL;
511 EC_POINT *point=NULL;
513 if (pkey->pkey.ecdsa == NULL || pkey->pkey.ecdsa->group == NULL)
515 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, EVP_R_MISSING_PARAMETERS);
518 p8->pkeyalg->algorithm = OBJ_nid2obj(NID_ecdsa_with_SHA1);
519 len = i2d_ECDSAParameters(pkey->pkey.ecdsa, NULL);
520 if ((p = OPENSSL_malloc(len)) == NULL)
522 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
526 if (!i2d_ECDSAParameters(pkey->pkey.ecdsa, &q))
528 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_ECDSA_LIB);
532 if ((params = ASN1_STRING_new()) == NULL)
534 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
539 if (!ASN1_STRING_set(params, p, len))
541 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_ASN1_LIB);
546 if ((prkey = BN_to_ASN1_INTEGER(pkey->pkey.ecdsa->priv_key, NULL)) == NULL)
548 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_ASN1_LIB);
557 if (!ASN1_pack_string((char *)prkey, i2d_ASN1_INTEGER,
558 &p8->pkey->value.octet_string))
560 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
561 M_ASN1_INTEGER_free(prkey);
565 ASN1_INTEGER_free(prkey);
566 p8->pkeyalg->parameter->value.sequence = params;
567 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
573 p8->pkeyalg->parameter->value.sequence = params;
574 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
575 necdsa = sk_ASN1_TYPE_new_null();
576 if (necdsa == NULL || (ttmp = ASN1_TYPE_new()) == NULL)
578 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
579 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
583 if ((point = EC_GROUP_get0_generator(pkey->pkey.ecdsa->group)) == NULL)
585 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_EC_LIB);
588 len = EC_POINT_point2oct(pkey->pkey.ecdsa->group, point, ECDSA_get_conversion_form(pkey->pkey.ecdsa),
590 p = OPENSSL_malloc(len);
591 if (!len || !p || !EC_POINT_point2oct(pkey->pkey.ecdsa->group, point,
592 ECDSA_get_conversion_form(pkey->pkey.ecdsa), p, len, NULL))
594 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_EC_LIB);
598 if ((ttmp->value.octet_string = ASN1_OCTET_STRING_new()) == NULL)
600 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
603 if (!ASN1_OCTET_STRING_set(ttmp->value.octet_string, p, len))
605 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, EVP_R_ASN1_LIB);
610 ttmp->type = V_ASN1_OCTET_STRING;
611 if (!sk_ASN1_TYPE_push(necdsa, ttmp))
613 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
614 ASN1_INTEGER_free(prkey);
618 if ((ttmp = ASN1_TYPE_new()) == NULL)
620 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
623 ttmp->value.integer = prkey;
624 ttmp->type = V_ASN1_INTEGER;
625 if (!sk_ASN1_TYPE_push(necdsa, ttmp))
627 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
628 ASN1_INTEGER_free(prkey);
632 if ((p8->pkey->value.octet_string = ASN1_OCTET_STRING_new()) == NULL)
634 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
635 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
639 if (!ASN1_seq_pack_ASN1_TYPE(necdsa, i2d_ASN1_TYPE,
640 &p8->pkey->value.octet_string->data,
641 &p8->pkey->value.octet_string->length))
644 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
645 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
648 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
651 case PKCS8_EMBEDDED_PARAM:
653 p8->pkeyalg->parameter->type = V_ASN1_NULL;
654 necdsa = sk_ASN1_TYPE_new_null();
655 if ((ttmp = ASN1_TYPE_new()) == NULL)
657 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
658 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
659 ASN1_INTEGER_free(prkey);
662 ttmp->value.sequence = params;
663 ttmp->type = V_ASN1_SEQUENCE;
664 if (!sk_ASN1_TYPE_push(necdsa, ttmp))
666 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
667 ASN1_INTEGER_free(prkey);
671 if ((ttmp = ASN1_TYPE_new()) == NULL)
673 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
674 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
675 ASN1_INTEGER_free(prkey);
678 ttmp->value.integer = prkey;
679 ttmp->type = V_ASN1_INTEGER;
680 if (!sk_ASN1_TYPE_push(necdsa, ttmp))
682 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
683 ASN1_INTEGER_free(prkey);
687 if ((p8->pkey->value.octet_string = ASN1_OCTET_STRING_new()) == NULL)
689 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
690 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
694 if (!ASN1_seq_pack_ASN1_TYPE(necdsa, i2d_ASN1_TYPE,
695 &p8->pkey->value.octet_string->data,
696 &p8->pkey->value.octet_string->length))
698 EVPerr(EVP_F_ECDSA_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
699 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);
702 sk_ASN1_TYPE_pop_free(necdsa, ASN1_TYPE_free);