150 lines
4.1 KiB
C
150 lines
4.1 KiB
C
/*
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* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "internal/cryptlib.h"
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#include <openssl/x509.h>
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#include <openssl/rand.h>
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#include "internal/asn1_int.h"
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#include "internal/evp_int.h"
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#include "internal/x509_int.h"
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/* Extract a private key from a PKCS8 structure */
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EVP_PKEY *EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8)
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{
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EVP_PKEY *pkey = NULL;
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const ASN1_OBJECT *algoid;
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char obj_tmp[80];
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if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
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return NULL;
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if ((pkey = EVP_PKEY_new()) == NULL) {
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EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) {
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EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
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i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
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ERR_add_error_data(2, "TYPE=", obj_tmp);
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goto error;
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}
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if (pkey->ameth->priv_decode) {
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if (!pkey->ameth->priv_decode(pkey, p8)) {
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EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_PRIVATE_KEY_DECODE_ERROR);
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goto error;
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}
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} else {
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EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED);
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goto error;
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}
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return pkey;
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error:
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EVP_PKEY_free(pkey);
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return NULL;
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}
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/* Turn a private key into a PKCS8 structure */
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PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
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{
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PKCS8_PRIV_KEY_INFO *p8 = PKCS8_PRIV_KEY_INFO_new();
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if (p8 == NULL) {
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EVPerr(EVP_F_EVP_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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if (pkey->ameth) {
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if (pkey->ameth->priv_encode) {
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if (!pkey->ameth->priv_encode(p8, pkey)) {
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EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_PRIVATE_KEY_ENCODE_ERROR);
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goto error;
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}
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} else {
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EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_METHOD_NOT_SUPPORTED);
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goto error;
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}
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} else {
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EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
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goto error;
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}
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RAND_add(p8->pkey->data, p8->pkey->length, 0.0);
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return p8;
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error:
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PKCS8_PRIV_KEY_INFO_free(p8);
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return NULL;
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}
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/* EVP_PKEY attribute functions */
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int EVP_PKEY_get_attr_count(const EVP_PKEY *key)
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{
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return X509at_get_attr_count(key->attributes);
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}
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int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos)
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{
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return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
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}
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int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, const ASN1_OBJECT *obj,
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int lastpos)
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{
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return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
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}
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X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
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{
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return X509at_get_attr(key->attributes, loc);
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}
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X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
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{
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return X509at_delete_attr(key->attributes, loc);
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}
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int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr)
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{
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if (X509at_add1_attr(&key->attributes, attr))
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return 1;
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return 0;
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}
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int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key,
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const ASN1_OBJECT *obj, int type,
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const unsigned char *bytes, int len)
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{
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if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len))
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return 1;
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return 0;
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}
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int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key,
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int nid, int type,
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const unsigned char *bytes, int len)
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{
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if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len))
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return 1;
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return 0;
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}
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int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
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const char *attrname, int type,
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const unsigned char *bytes, int len)
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{
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if (X509at_add1_attr_by_txt(&key->attributes, attrname, type, bytes, len))
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return 1;
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return 0;
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}
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