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authormarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
committermarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
commit15272ab4ed1e6250412fccd48200ed9eae59608f (patch)
treea5996ea67966a778a16565f19dfc2e7c7f49b376 /openssl/crypto/evp/evp_pkey.c
parent3827301b2ea5a45ac009c3bf9f08586ff40b8506 (diff)
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Updated to openssl 1.0.0
Diffstat (limited to 'openssl/crypto/evp/evp_pkey.c')
-rw-r--r--openssl/crypto/evp/evp_pkey.c646
1 files changed, 47 insertions, 599 deletions
diff --git a/openssl/crypto/evp/evp_pkey.c b/openssl/crypto/evp/evp_pkey.c
index 10d9e9e77..ceebf6928 100644
--- a/openssl/crypto/evp/evp_pkey.c
+++ b/openssl/crypto/evp/evp_pkey.c
@@ -3,7 +3,7 @@
* project 1999.
*/
/* ====================================================================
- * Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2005 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
@@ -61,287 +61,52 @@
#include "cryptlib.h"
#include <openssl/x509.h>
#include <openssl/rand.h>
-#ifndef OPENSSL_NO_RSA
-#include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
-#endif
-#include <openssl/bn.h>
-
-#ifndef OPENSSL_NO_DSA
-static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
-#endif
-#ifndef OPENSSL_NO_EC
-static int eckey_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
-#endif
+#include "asn1_locl.h"
/* 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;
- ASN1_TYPE *t1, *t2;
- ASN1_INTEGER *privkey;
- STACK_OF(ASN1_TYPE) *ndsa = NULL;
-#endif
-#ifndef OPENSSL_NO_EC
- EC_KEY *eckey = NULL;
- const unsigned char *p_tmp;
-#endif
-#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
- ASN1_TYPE *param = NULL;
- BN_CTX *ctx = NULL;
- int plen;
-#endif
- X509_ALGOR *a;
- const unsigned char *p;
- const unsigned char *cp;
- int pkeylen;
- int nid;
+ ASN1_OBJECT *algoid;
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 (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
+ return NULL;
+
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
-#ifndef OPENSSL_NO_DSA
- case NID_dsa:
- /* PKCS#8 DSA is weird: you just get a private key integer
- * and parameters in the AlgorithmIdentifier the pubkey must
- * be recalculated.
- */
-
- /* Check for broken DSA PKCS#8, UGH! */
- if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {
- if(!(ndsa = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen,
- d2i_ASN1_TYPE,
- ASN1_TYPE_free))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- if(sk_ASN1_TYPE_num(ndsa) != 2 ) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- /* Handle Two broken types:
- * SEQUENCE {parameters, priv_key}
- * SEQUENCE {pub_key, priv_key}
- */
-
- t1 = sk_ASN1_TYPE_value(ndsa, 0);
- t2 = sk_ASN1_TYPE_value(ndsa, 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 dsaerr;
- }
-
- if(t2->type != V_ASN1_INTEGER) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- privkey = t2->value.integer;
- } else {
- if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- param = p8->pkeyalg->parameter;
- }
- if (!param || (param->type != V_ASN1_SEQUENCE)) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- cp = p = param->value.sequence->data;
- plen = param->value.sequence->length;
- if (!(dsa = d2i_DSAparams (NULL, &cp, plen))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- /* 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 dsaerr;
- }
- /* Calculate public key (ouch!) */
- if (!(dsa->pub_key = BN_new())) {
- EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
- goto dsaerr;
- }
- if (!(ctx = BN_CTX_new())) {
- EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
- goto dsaerr;
- }
-
- 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 dsaerr;
- }
- EVP_PKEY_assign_DSA(pkey, dsa);
- BN_CTX_free (ctx);
- if(ndsa) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
- else ASN1_INTEGER_free(privkey);
- break;
- dsaerr:
- BN_CTX_free (ctx);
- sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
- DSA_free(dsa);
- EVP_PKEY_free(pkey);
- return NULL;
- break;
-#endif
-#ifndef OPENSSL_NO_EC
- case NID_X9_62_id_ecPublicKey:
- p_tmp = p;
- /* extract the ec parameters */
- param = p8->pkeyalg->parameter;
-
- if (!param || ((param->type != V_ASN1_SEQUENCE) &&
- (param->type != V_ASN1_OBJECT)))
+ if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid)))
{
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto ecerr;
+ EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
+ i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
+ ERR_add_error_data(2, "TYPE=", obj_tmp);
+ goto error;
}
- if (param->type == V_ASN1_SEQUENCE)
+ if (pkey->ameth->priv_decode)
{
- cp = p = param->value.sequence->data;
- plen = param->value.sequence->length;
-
- if (!(eckey = d2i_ECParameters(NULL, &cp, plen)))
+ if (!pkey->ameth->priv_decode(pkey, p8))
{
- EVPerr(EVP_F_EVP_PKCS82PKEY,
- EVP_R_DECODE_ERROR);
- goto ecerr;
+ EVPerr(EVP_F_EVP_PKCS82PKEY,
+ EVP_R_PRIVATE_KEY_DECODE_ERROR);
+ goto error;
}
}
- else
+ else
{
- EC_GROUP *group;
- cp = p = param->value.object->data;
- plen = param->value.object->length;
-
- /* type == V_ASN1_OBJECT => the parameters are given
- * by an asn1 OID
- */
- if ((eckey = EC_KEY_new()) == NULL)
- {
- EVPerr(EVP_F_EVP_PKCS82PKEY,
- ERR_R_MALLOC_FAILURE);
- goto ecerr;
- }
- group = EC_GROUP_new_by_curve_name(OBJ_obj2nid(a->parameter->value.object));
- if (group == NULL)
- goto ecerr;
- EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
- if (EC_KEY_set_group(eckey, group) == 0)
- goto ecerr;
- EC_GROUP_free(group);
- }
-
- /* We have parameters now set private key */
- if (!d2i_ECPrivateKey(&eckey, &p_tmp, pkeylen))
- {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto ecerr;
- }
-
- /* calculate public key (if necessary) */
- if (EC_KEY_get0_public_key(eckey) == NULL)
- {
- const BIGNUM *priv_key;
- const EC_GROUP *group;
- EC_POINT *pub_key;
- /* the public key was not included in the SEC1 private
- * key => calculate the public key */
- group = EC_KEY_get0_group(eckey);
- pub_key = EC_POINT_new(group);
- if (pub_key == NULL)
- {
- EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
- goto ecerr;
- }
- if (!EC_POINT_copy(pub_key, EC_GROUP_get0_generator(group)))
- {
- EC_POINT_free(pub_key);
- EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
- goto ecerr;
- }
- priv_key = EC_KEY_get0_private_key(eckey);
- if (!EC_POINT_mul(group, pub_key, priv_key, NULL, NULL, ctx))
- {
- EC_POINT_free(pub_key);
- EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
- goto ecerr;
- }
- if (EC_KEY_set_public_key(eckey, pub_key) == 0)
- {
- EC_POINT_free(pub_key);
- EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
- goto ecerr;
- }
- EC_POINT_free(pub_key);
+ EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED);
+ goto error;
}
- EVP_PKEY_assign_EC_KEY(pkey, eckey);
- if (ctx)
- BN_CTX_free(ctx);
- break;
-ecerr:
- if (ctx)
- BN_CTX_free(ctx);
- if (eckey)
- EC_KEY_free(eckey);
- if (pkey)
- EVP_PKEY_free(pkey);
- return NULL;
-#endif
- default:
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
- if (!a->algorithm) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
- 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;
+
+ error:
+ EVP_PKEY_free (pkey);
+ return NULL;
}
PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
@@ -360,59 +125,37 @@ PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken)
return NULL;
}
p8->broken = broken;
- if (!ASN1_INTEGER_set(p8->version, 0)) {
- EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
- PKCS8_PRIV_KEY_INFO_free (p8);
- return NULL;
- }
- if (!(p8->pkeyalg->parameter = ASN1_TYPE_new ())) {
- EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,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_of (EVP_PKEY,pkey, i2d_PrivateKey,
- &p8->pkey->value.octet_string)) {
- EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,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;
+ if (pkey->ameth)
+ {
+ if (pkey->ameth->priv_encode)
+ {
+ if (!pkey->ameth->priv_encode(p8, pkey))
+ {
+ EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,
+ EVP_R_PRIVATE_KEY_ENCODE_ERROR);
+ goto error;
+ }
+ }
+ else
+ {
+ EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,
+ EVP_R_METHOD_NOT_SUPPORTED);
+ goto error;
+ }
}
-
- break;
-#endif
-#ifndef OPENSSL_NO_EC
- case EVP_PKEY_EC:
- if (!eckey_pkey2pkcs8(p8, pkey))
+ else
{
- PKCS8_PRIV_KEY_INFO_free(p8);
- return(NULL);
+ EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,
+ EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
+ goto error;
}
- break;
-#endif
- default:
- EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, 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, 0.0);
return p8;
+ error:
+ PKCS8_PRIV_KEY_INFO_free(p8);
+ return NULL;
}
PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
@@ -436,301 +179,6 @@ PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
}
}
-#ifndef OPENSSL_NO_DSA
-static int dsa_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) *ndsa = NULL;
- unsigned char *p = NULL, *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_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- q = p;
- i2d_DSAparams (pkey->pkey.dsa, &q);
- if (!(params = ASN1_STRING_new())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!ASN1_STRING_set(params, p, len)) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- OPENSSL_free(p);
- p = NULL;
- /* Get private key into integer */
- if (!(prkey = BN_to_ASN1_INTEGER (pkey->pkey.dsa->priv_key, NULL))) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
- goto err;
- }
-
- switch(p8->broken) {
-
- case PKCS8_OK:
- case PKCS8_NO_OCTET:
-
- if (!ASN1_pack_string_of(ASN1_INTEGER,prkey, i2d_ASN1_INTEGER,
- &p8->pkey->value.octet_string)) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- M_ASN1_INTEGER_free (prkey);
- prkey = NULL;
- p8->pkeyalg->parameter->value.sequence = params;
- params = NULL;
- p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
-
- break;
-
- case PKCS8_NS_DB:
-
- p8->pkeyalg->parameter->value.sequence = params;
- params = NULL;
- p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
- if (!(ndsa = sk_ASN1_TYPE_new_null())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!(ttmp = ASN1_TYPE_new())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!(ttmp->value.integer =
- BN_to_ASN1_INTEGER(pkey->pkey.dsa->pub_key, NULL))) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
- goto err;
- }
- ttmp->type = V_ASN1_INTEGER;
- if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (!(ttmp = ASN1_TYPE_new())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- ttmp->value.integer = prkey;
- prkey = NULL;
- ttmp->type = V_ASN1_INTEGER;
- if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- ttmp = NULL;
-
- if (!(p8->pkey->value.octet_string = ASN1_OCTET_STRING_new())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- 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_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
- break;
-
- case PKCS8_EMBEDDED_PARAM:
-
- p8->pkeyalg->parameter->type = V_ASN1_NULL;
- if (!(ndsa = sk_ASN1_TYPE_new_null())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!(ttmp = ASN1_TYPE_new())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- ttmp->value.sequence = params;
- params = NULL;
- ttmp->type = V_ASN1_SEQUENCE;
- if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (!(ttmp = ASN1_TYPE_new())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- ttmp->value.integer = prkey;
- prkey = NULL;
- ttmp->type = V_ASN1_INTEGER;
- if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- ttmp = NULL;
-
- if (!(p8->pkey->value.octet_string = ASN1_OCTET_STRING_new())) {
- EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- 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_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
- break;
- }
- return 1;
-err:
- if (p != NULL) OPENSSL_free(p);
- if (params != NULL) ASN1_STRING_free(params);
- if (prkey != NULL) M_ASN1_INTEGER_free(prkey);
- if (ttmp != NULL) ASN1_TYPE_free(ttmp);
- if (ndsa != NULL) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
- return 0;
-}
-#endif
-
-#ifndef OPENSSL_NO_EC
-static int eckey_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
-{
- EC_KEY *ec_key;
- const EC_GROUP *group;
- unsigned char *p, *pp;
- int nid, i, ret = 0;
- unsigned int tmp_flags, old_flags;
-
- ec_key = pkey->pkey.ec;
- if (ec_key == NULL || (group = EC_KEY_get0_group(ec_key)) == NULL)
- {
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, EVP_R_MISSING_PARAMETERS);
- return 0;
- }
-
- /* set the ec parameters OID */
- if (p8->pkeyalg->algorithm)
- ASN1_OBJECT_free(p8->pkeyalg->algorithm);
-
- p8->pkeyalg->algorithm = OBJ_nid2obj(NID_X9_62_id_ecPublicKey);
-
- /* set the ec parameters */
-
- if (p8->pkeyalg->parameter)
- {
- ASN1_TYPE_free(p8->pkeyalg->parameter);
- p8->pkeyalg->parameter = NULL;
- }
-
- if ((p8->pkeyalg->parameter = ASN1_TYPE_new()) == NULL)
- {
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
- return 0;
- }
-
- if (EC_GROUP_get_asn1_flag(group)
- && (nid = EC_GROUP_get_curve_name(group)))
- {
- /* we have a 'named curve' => just set the OID */
- p8->pkeyalg->parameter->type = V_ASN1_OBJECT;
- p8->pkeyalg->parameter->value.object = OBJ_nid2obj(nid);
- }
- else /* explicit parameters */
- {
- if ((i = i2d_ECParameters(ec_key, NULL)) == 0)
- {
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
- return 0;
- }
- if ((p = (unsigned char *) OPENSSL_malloc(i)) == NULL)
- {
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- pp = p;
- if (!i2d_ECParameters(ec_key, &pp))
- {
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
- OPENSSL_free(p);
- return 0;
- }
- p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
- if ((p8->pkeyalg->parameter->value.sequence
- = ASN1_STRING_new()) == NULL)
- {
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_ASN1_LIB);
- OPENSSL_free(p);
- return 0;
- }
- ASN1_STRING_set(p8->pkeyalg->parameter->value.sequence, p, i);
- OPENSSL_free(p);
- }
-
- /* set the private key */
-
- /* do not include the parameters in the SEC1 private key
- * see PKCS#11 12.11 */
- old_flags = EC_KEY_get_enc_flags(pkey->pkey.ec);
- tmp_flags = old_flags | EC_PKEY_NO_PARAMETERS;
- EC_KEY_set_enc_flags(pkey->pkey.ec, tmp_flags);
- i = i2d_ECPrivateKey(pkey->pkey.ec, NULL);
- if (!i)
- {
- EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
- return 0;
- }
- p = (unsigned char *) OPENSSL_malloc(i);
- if (!p)
- {
- EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- pp = p;
- if (!i2d_ECPrivateKey(pkey->pkey.ec, &pp))
- {
- EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
- OPENSSL_free(p);
- return 0;
- }
- /* restore old encoding flags */
- EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
-
- switch(p8->broken) {
-
- case PKCS8_OK:
- p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
- if (!p8->pkey->value.octet_string ||
- !M_ASN1_OCTET_STRING_set(p8->pkey->value.octet_string,
- (const void *)p, i))
-
- {
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
- }
- else
- ret = 1;
- break;
- case PKCS8_NO_OCTET: /* RSA specific */
- case PKCS8_NS_DB: /* DSA specific */
- case PKCS8_EMBEDDED_PARAM: /* DSA specific */
- default:
- EVPerr(EVP_F_ECKEY_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
- }
- OPENSSL_cleanse(p, (size_t)i);
- OPENSSL_free(p);
- return ret;
-}
-#endif
-
/* EVP_PKEY attribute functions */
int EVP_PKEY_get_attr_count(const EVP_PKEY *key)