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>
64 #ifndef OPENSSL_NO_RSA
65 #include <openssl/rsa.h>
67 #ifndef OPENSSL_NO_DSA
68 #include <openssl/dsa.h>
70 #include <openssl/bn.h>
72 #ifndef OPENSSL_NO_DSA
73 static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
76 static int eckey_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
79 /* Extract a private key from a PKCS8 structure */
81 EVP_PKEY *EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8)
83 EVP_PKEY *pkey = NULL;
84 #ifndef OPENSSL_NO_RSA
87 #ifndef OPENSSL_NO_DSA
90 ASN1_INTEGER *privkey;
91 STACK_OF(ASN1_TYPE) *ndsa = NULL;
95 const unsigned char *p_tmp;
97 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
98 ASN1_TYPE *param = NULL;
103 const unsigned char *p;
104 const unsigned char *cp;
109 if(p8->pkey->type == V_ASN1_OCTET_STRING) {
110 p8->broken = PKCS8_OK;
111 p = p8->pkey->value.octet_string->data;
112 pkeylen = p8->pkey->value.octet_string->length;
114 p8->broken = PKCS8_NO_OCTET;
115 p = p8->pkey->value.sequence->data;
116 pkeylen = p8->pkey->value.sequence->length;
118 if (!(pkey = EVP_PKEY_new())) {
119 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
123 nid = OBJ_obj2nid(a->algorithm);
126 #ifndef OPENSSL_NO_RSA
127 case NID_rsaEncryption:
129 if (!(rsa = d2i_RSAPrivateKey (NULL,&cp, pkeylen))) {
130 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
133 EVP_PKEY_assign_RSA (pkey, rsa);
136 #ifndef OPENSSL_NO_DSA
138 /* PKCS#8 DSA is weird: you just get a private key integer
139 * and parameters in the AlgorithmIdentifier the pubkey must
143 /* Check for broken DSA PKCS#8, UGH! */
144 if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {
145 if(!(ndsa = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen,
148 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
151 if(sk_ASN1_TYPE_num(ndsa) != 2 ) {
152 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
155 /* Handle Two broken types:
156 * SEQUENCE {parameters, priv_key}
157 * SEQUENCE {pub_key, priv_key}
160 t1 = sk_ASN1_TYPE_value(ndsa, 0);
161 t2 = sk_ASN1_TYPE_value(ndsa, 1);
162 if(t1->type == V_ASN1_SEQUENCE) {
163 p8->broken = PKCS8_EMBEDDED_PARAM;
165 } else if(a->parameter->type == V_ASN1_SEQUENCE) {
166 p8->broken = PKCS8_NS_DB;
167 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;
179 if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen))) {
180 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
183 param = p8->pkeyalg->parameter;
185 if (!param || (param->type != V_ASN1_SEQUENCE)) {
186 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
189 cp = p = param->value.sequence->data;
190 plen = param->value.sequence->length;
191 if (!(dsa = d2i_DSAparams (NULL, &cp, plen))) {
192 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
195 /* We have parameters now set private key */
196 if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) {
197 EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_DECODE_ERROR);
200 /* Calculate public key (ouch!) */
201 if (!(dsa->pub_key = BN_new())) {
202 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
205 if (!(ctx = BN_CTX_new())) {
206 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
210 if (!BN_mod_exp(dsa->pub_key, dsa->g,
211 dsa->priv_key, dsa->p, ctx)) {
213 EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_PUBKEY_ERROR);
217 EVP_PKEY_assign_DSA(pkey, dsa);
219 if(ndsa) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
220 else ASN1_INTEGER_free(privkey);
224 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
230 #ifndef OPENSSL_NO_EC
231 case NID_X9_62_id_ecPublicKey:
233 /* extract the ec parameters */
234 param = p8->pkeyalg->parameter;
236 if (!param || ((param->type != V_ASN1_SEQUENCE) &&
237 (param->type != V_ASN1_OBJECT)))
239 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
243 if (param->type == V_ASN1_SEQUENCE)
245 cp = p = param->value.sequence->data;
246 plen = param->value.sequence->length;
248 if (!(eckey = d2i_ECParameters(NULL, &cp, plen)))
250 EVPerr(EVP_F_EVP_PKCS82PKEY,
258 cp = p = param->value.object->data;
259 plen = param->value.object->length;
261 /* type == V_ASN1_OBJECT => the parameters are given
264 if ((eckey = EC_KEY_new()) == NULL)
266 EVPerr(EVP_F_EVP_PKCS82PKEY,
267 ERR_R_MALLOC_FAILURE);
270 group = EC_GROUP_new_by_curve_name(OBJ_obj2nid(a->parameter->value.object));
273 EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
274 if (EC_KEY_set_group(eckey, group) == 0)
276 EC_GROUP_free(group);
279 /* We have parameters now set private key */
280 if (!d2i_ECPrivateKey(&eckey, &p_tmp, pkeylen))
282 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
286 /* calculate public key (if necessary) */
287 if (EC_KEY_get0_public_key(eckey) == NULL)
289 const BIGNUM *priv_key;
290 const EC_GROUP *group;
292 /* the public key was not included in the SEC1 private
293 * key => calculate the public key */
294 group = EC_KEY_get0_group(eckey);
295 pub_key = EC_POINT_new(group);
298 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
301 if (!EC_POINT_copy(pub_key, EC_GROUP_get0_generator(group)))
303 EC_POINT_free(pub_key);
304 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
307 priv_key = EC_KEY_get0_private_key(eckey);
308 if (!EC_POINT_mul(group, pub_key, priv_key, NULL, NULL, NULL))
310 EC_POINT_free(pub_key);
311 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
314 if (EC_KEY_set_public_key(eckey, pub_key) == 0)
316 EC_POINT_free(pub_key);
317 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
320 EC_POINT_free(pub_key);
323 EVP_PKEY_assign_EC_KEY(pkey, eckey);
333 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
334 if (!a->algorithm) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
335 else i2t_ASN1_OBJECT(obj_tmp, 80, a->algorithm);
336 ERR_add_error_data(2, "TYPE=", obj_tmp);
337 EVP_PKEY_free (pkey);
343 PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
345 return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK);
348 /* Turn a private key into a PKCS8 structure */
350 PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken)
352 PKCS8_PRIV_KEY_INFO *p8;
354 if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
355 EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
359 if (!ASN1_INTEGER_set(p8->version, 0)) {
360 EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
361 PKCS8_PRIV_KEY_INFO_free (p8);
364 if (!(p8->pkeyalg->parameter = ASN1_TYPE_new ())) {
365 EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
366 PKCS8_PRIV_KEY_INFO_free (p8);
369 p8->pkey->type = V_ASN1_OCTET_STRING;
370 switch (EVP_PKEY_type(pkey->type)) {
371 #ifndef OPENSSL_NO_RSA
374 if(p8->broken == PKCS8_NO_OCTET) p8->pkey->type = V_ASN1_SEQUENCE;
376 p8->pkeyalg->algorithm = OBJ_nid2obj(NID_rsaEncryption);
377 p8->pkeyalg->parameter->type = V_ASN1_NULL;
378 if (!ASN1_pack_string_of (EVP_PKEY,pkey, i2d_PrivateKey,
379 &p8->pkey->value.octet_string)) {
380 EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
381 PKCS8_PRIV_KEY_INFO_free (p8);
386 #ifndef OPENSSL_NO_DSA
388 if(!dsa_pkey2pkcs8(p8, pkey)) {
389 PKCS8_PRIV_KEY_INFO_free (p8);
395 #ifndef OPENSSL_NO_EC
397 if (!eckey_pkey2pkcs8(p8, pkey))
399 PKCS8_PRIV_KEY_INFO_free(p8);
405 EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
406 PKCS8_PRIV_KEY_INFO_free (p8);
409 RAND_add(p8->pkey->value.octet_string->data,
410 p8->pkey->value.octet_string->length, 0.0);
414 PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
419 p8->broken = PKCS8_OK;
424 p8->broken = PKCS8_NO_OCTET;
425 p8->pkey->type = V_ASN1_SEQUENCE;
430 EVPerr(EVP_F_PKCS8_SET_BROKEN,EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE);
435 #ifndef OPENSSL_NO_DSA
436 static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
438 ASN1_STRING *params = NULL;
439 ASN1_INTEGER *prkey = NULL;
440 ASN1_TYPE *ttmp = NULL;
441 STACK_OF(ASN1_TYPE) *ndsa = NULL;
442 unsigned char *p = NULL, *q;
445 p8->pkeyalg->algorithm = OBJ_nid2obj(NID_dsa);
446 len = i2d_DSAparams (pkey->pkey.dsa, NULL);
447 if (!(p = OPENSSL_malloc(len))) {
448 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
452 i2d_DSAparams (pkey->pkey.dsa, &q);
453 if (!(params = ASN1_STRING_new())) {
454 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
457 if (!ASN1_STRING_set(params, p, len)) {
458 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
463 /* Get private key into integer */
464 if (!(prkey = BN_to_ASN1_INTEGER (pkey->pkey.dsa->priv_key, NULL))) {
465 EVPerr(EVP_F_DSA_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
474 if (!ASN1_pack_string_of(ASN1_INTEGER,prkey, i2d_ASN1_INTEGER,
475 &p8->pkey->value.octet_string)) {
476 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
480 M_ASN1_INTEGER_free (prkey);
482 p8->pkeyalg->parameter->value.sequence = params;
484 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
490 p8->pkeyalg->parameter->value.sequence = params;
492 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
493 if (!(ndsa = sk_ASN1_TYPE_new_null())) {
494 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
497 if (!(ttmp = ASN1_TYPE_new())) {
498 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
501 if (!(ttmp->value.integer =
502 BN_to_ASN1_INTEGER(pkey->pkey.dsa->pub_key, NULL))) {
503 EVPerr(EVP_F_DSA_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
506 ttmp->type = V_ASN1_INTEGER;
507 if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
508 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
512 if (!(ttmp = ASN1_TYPE_new())) {
513 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
516 ttmp->value.integer = prkey;
518 ttmp->type = V_ASN1_INTEGER;
519 if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
520 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
525 if (!(p8->pkey->value.octet_string = ASN1_OCTET_STRING_new())) {
526 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
530 if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
531 &p8->pkey->value.octet_string->data,
532 &p8->pkey->value.octet_string->length)) {
534 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
537 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
540 case PKCS8_EMBEDDED_PARAM:
542 p8->pkeyalg->parameter->type = V_ASN1_NULL;
543 if (!(ndsa = sk_ASN1_TYPE_new_null())) {
544 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
547 if (!(ttmp = ASN1_TYPE_new())) {
548 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
551 ttmp->value.sequence = params;
553 ttmp->type = V_ASN1_SEQUENCE;
554 if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
555 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
559 if (!(ttmp = ASN1_TYPE_new())) {
560 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
563 ttmp->value.integer = prkey;
565 ttmp->type = V_ASN1_INTEGER;
566 if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
567 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
572 if (!(p8->pkey->value.octet_string = ASN1_OCTET_STRING_new())) {
573 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
577 if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
578 &p8->pkey->value.octet_string->data,
579 &p8->pkey->value.octet_string->length)) {
581 EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
584 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
589 if (p != NULL) OPENSSL_free(p);
590 if (params != NULL) ASN1_STRING_free(params);
591 if (prkey != NULL) M_ASN1_INTEGER_free(prkey);
592 if (ttmp != NULL) ASN1_TYPE_free(ttmp);
593 if (ndsa != NULL) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
598 #ifndef OPENSSL_NO_EC
599 static int eckey_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
602 const EC_GROUP *group;
603 unsigned char *p, *pp;
605 unsigned int tmp_flags, old_flags;
607 ec_key = pkey->pkey.ec;
608 if (ec_key == NULL || (group = EC_KEY_get0_group(ec_key)) == NULL)
610 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, EVP_R_MISSING_PARAMETERS);
614 /* set the ec parameters OID */
615 if (p8->pkeyalg->algorithm)
616 ASN1_OBJECT_free(p8->pkeyalg->algorithm);
618 p8->pkeyalg->algorithm = OBJ_nid2obj(NID_X9_62_id_ecPublicKey);
620 /* set the ec parameters */
622 if (p8->pkeyalg->parameter)
624 ASN1_TYPE_free(p8->pkeyalg->parameter);
625 p8->pkeyalg->parameter = NULL;
628 if ((p8->pkeyalg->parameter = ASN1_TYPE_new()) == NULL)
630 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
634 if (EC_GROUP_get_asn1_flag(group)
635 && (nid = EC_GROUP_get_curve_name(group)))
637 /* we have a 'named curve' => just set the OID */
638 p8->pkeyalg->parameter->type = V_ASN1_OBJECT;
639 p8->pkeyalg->parameter->value.object = OBJ_nid2obj(nid);
641 else /* explicit parameters */
643 if ((i = i2d_ECParameters(ec_key, NULL)) == 0)
645 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
648 if ((p = (unsigned char *) OPENSSL_malloc(i)) == NULL)
650 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
654 if (!i2d_ECParameters(ec_key, &pp))
656 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
660 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
661 if ((p8->pkeyalg->parameter->value.sequence
662 = ASN1_STRING_new()) == NULL)
664 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_ASN1_LIB);
668 ASN1_STRING_set(p8->pkeyalg->parameter->value.sequence, p, i);
672 /* set the private key */
674 /* do not include the parameters in the SEC1 private key
675 * see PKCS#11 12.11 */
676 old_flags = EC_KEY_get_enc_flags(pkey->pkey.ec);
677 tmp_flags = old_flags | EC_PKEY_NO_PARAMETERS;
678 EC_KEY_set_enc_flags(pkey->pkey.ec, tmp_flags);
679 i = i2d_ECPrivateKey(pkey->pkey.ec, NULL);
682 EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
683 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
686 p = (unsigned char *) OPENSSL_malloc(i);
689 EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
690 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
694 if (!i2d_ECPrivateKey(pkey->pkey.ec, &pp))
696 EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
697 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
701 /* restore old encoding flags */
702 EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
707 p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
708 if (!p8->pkey->value.octet_string ||
709 !M_ASN1_OCTET_STRING_set(p8->pkey->value.octet_string,
713 EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
718 case PKCS8_NO_OCTET: /* RSA specific */
719 case PKCS8_NS_DB: /* DSA specific */
720 case PKCS8_EMBEDDED_PARAM: /* DSA specific */
722 EVPerr(EVP_F_ECKEY_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
724 OPENSSL_cleanse(p, (size_t)i);
730 /* EVP_PKEY attribute functions */
732 int EVP_PKEY_get_attr_count(const EVP_PKEY *key)
734 return X509at_get_attr_count(key->attributes);
737 int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid,
740 return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
743 int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj,
746 return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
749 X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
751 return X509at_get_attr(key->attributes, loc);
754 X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
756 return X509at_delete_attr(key->attributes, loc);
759 int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr)
761 if(X509at_add1_attr(&key->attributes, attr)) return 1;
765 int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key,
766 const ASN1_OBJECT *obj, int type,
767 const unsigned char *bytes, int len)
769 if(X509at_add1_attr_by_OBJ(&key->attributes, obj,
770 type, bytes, len)) return 1;
774 int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key,
776 const unsigned char *bytes, int len)
778 if(X509at_add1_attr_by_NID(&key->attributes, nid,
779 type, bytes, len)) return 1;
783 int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
784 const char *attrname, int type,
785 const unsigned char *bytes, int len)
787 if(X509at_add1_attr_by_txt(&key->attributes, attrname,
788 type, bytes, len)) return 1;