1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/evp.h>
13#include <openssl/x509.h>
14#include "crypto/asn1.h"
15#include "crypto/evp.h"
16
17int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp)
18{
19    if (a->ameth && a->ameth->old_priv_encode) {
20        return a->ameth->old_priv_encode(a, pp);
21    }
22    if (a->ameth && a->ameth->priv_encode) {
23        PKCS8_PRIV_KEY_INFO *p8 = EVP_PKEY2PKCS8(a);
24        int ret = 0;
25        if (p8 != NULL) {
26            ret = i2d_PKCS8_PRIV_KEY_INFO(p8, pp);
27            PKCS8_PRIV_KEY_INFO_free(p8);
28        }
29        return ret;
30    }
31    ASN1err(ASN1_F_I2D_PRIVATEKEY, ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
32    return -1;
33}
34