crypto/asn1/i2d_pr.c

   1 /*
   2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   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
   8  */
   9
  10 #include <stdio.h>
  11 #include "internal/cryptlib.h"
  12 #include <openssl/evp.h>
  13 #include <openssl/x509.h>
  14 #include "internal/asn1_int.h"
  15 #include "internal/evp_int.h"
  16
  17 int 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 }