/*

 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#include <stdio.h>

#include "internal/cryptlib.h"

#include <openssl/bn.h>

#include <openssl/evp.h>

#include <openssl/objects.h>

#include <openssl/rsa.h>

#include <openssl/dsa.h>

#include <openssl/ec.h>

int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp)

{

    switch (EVP_PKEY_id(a)) {

#ifndef OPENSSL_NO_RSA

    case EVP_PKEY_RSA:

        return i2d_RSAPublicKey(EVP_PKEY_get0_RSA(a), pp);

#endif

#ifndef OPENSSL_NO_DSA

    case EVP_PKEY_DSA:

        return i2d_DSAPublicKey(EVP_PKEY_get0_DSA(a), pp);

#endif

#ifndef OPENSSL_NO_EC

    case EVP_PKEY_EC:

        return i2o_ECPublicKey(EVP_PKEY_get0_EC_KEY(a), pp);

#endif

    default:

        ASN1err(ASN1_F_I2D_PUBLICKEY, ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);

        return -1;

    }

}