2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
11 #include "internal/cryptlib.h"
12 #include <openssl/evp.h>
13 #include <openssl/encoder.h>
14 #include <openssl/buffer.h>
15 #include <openssl/x509.h>
16 #include "crypto/asn1.h"
17 #include "crypto/evp.h"
19 int i2d_PrivateKey(const EVP_PKEY
*a
, unsigned char **pp
)
21 if (a
->ameth
&& a
->ameth
->old_priv_encode
) {
22 return a
->ameth
->old_priv_encode(a
, pp
);
24 if (a
->ameth
&& a
->ameth
->priv_encode
) {
25 PKCS8_PRIV_KEY_INFO
*p8
= EVP_PKEY2PKCS8(a
);
28 ret
= i2d_PKCS8_PRIV_KEY_INFO(p8
, pp
);
29 PKCS8_PRIV_KEY_INFO_free(p8
);
33 if (a
->keymgmt
!= NULL
) {
34 const char *encprop
= OSSL_ENCODER_PrivateKey_TO_DER_PQ
;
35 OSSL_ENCODER_CTX
*ctx
=
36 OSSL_ENCODER_CTX_new_by_EVP_PKEY(a
, encprop
);
37 BIO
*out
= BIO_new(BIO_s_mem());
43 && OSSL_ENCODER_CTX_get_encoder(ctx
) != NULL
44 && OSSL_ENCODER_to_bio(ctx
, out
)
45 && BIO_get_mem_ptr(out
, &buf
) > 0) {
50 *pp
= (unsigned char *)buf
->data
;
54 memcpy(*pp
, buf
->data
, ret
);
60 OSSL_ENCODER_CTX_free(ctx
);
63 ASN1err(ASN1_F_I2D_PRIVATEKEY
, ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE
);