| /* evp_pkey.c */ |
| /* Written by Dr Stephen N Henson (steve@openssl.org) 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_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 |
| |
| /* 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; |
| 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 |
| #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))) |
| { |
| EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR); |
| goto ecerr; |
| } |
| |
| if (param->type == V_ASN1_SEQUENCE) |
| { |
| cp = p = param->value.sequence->data; |
| plen = param->value.sequence->length; |
| |
| if (!(eckey = d2i_ECParameters(NULL, &cp, plen))) |
| { |
| EVPerr(EVP_F_EVP_PKCS82PKEY, |
| EVP_R_DECODE_ERROR); |
| goto ecerr; |
| } |
| } |
| 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); |
| } |
| |
| 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; |
| } |
| |
| 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_BROKEN,ERR_R_MALLOC_FAILURE); |
| 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; |
| } |
| |
| break; |
| #endif |
| #ifndef OPENSSL_NO_EC |
| case EVP_PKEY_EC: |
| if (!eckey_pkey2pkcs8(p8, pkey)) |
| { |
| PKCS8_PRIV_KEY_INFO_free(p8); |
| return(NULL); |
| } |
| 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; |
| } |
| |
| 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_PKCS8_SET_BROKEN,EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE); |
| return NULL; |
| } |
| } |
| |
| #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) |
| { |
| return X509at_get_attr_count(key->attributes); |
| } |
| |
| int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, |
| int lastpos) |
| { |
| return X509at_get_attr_by_NID(key->attributes, nid, lastpos); |
| } |
| |
| int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj, |
| int lastpos) |
| { |
| return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos); |
| } |
| |
| X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc) |
| { |
| return X509at_get_attr(key->attributes, loc); |
| } |
| |
| X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc) |
| { |
| return X509at_delete_attr(key->attributes, loc); |
| } |
| |
| int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr) |
| { |
| if(X509at_add1_attr(&key->attributes, attr)) return 1; |
| return 0; |
| } |
| |
| int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key, |
| const ASN1_OBJECT *obj, int type, |
| const unsigned char *bytes, int len) |
| { |
| if(X509at_add1_attr_by_OBJ(&key->attributes, obj, |
| type, bytes, len)) return 1; |
| return 0; |
| } |
| |
| int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, |
| int nid, int type, |
| const unsigned char *bytes, int len) |
| { |
| if(X509at_add1_attr_by_NID(&key->attributes, nid, |
| type, bytes, len)) return 1; |
| return 0; |
| } |
| |
| int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key, |
| const char *attrname, int type, |
| const unsigned char *bytes, int len) |
| { |
| if(X509at_add1_attr_by_txt(&key->attributes, attrname, |
| type, bytes, len)) return 1; |
| return 0; |
| } |