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/bn.h>
13#include <openssl/evp.h>
14#include <openssl/objects.h>
15#include <openssl/rsa.h>
16#include <openssl/dsa.h>
17#include <openssl/ec.h>
18
19int i2d_PublicKey(const EVP_PKEY *a, unsigned char **pp)
20{
21 switch (EVP_PKEY_id(a)) {
22#ifndef OPENSSL_NO_RSA
23 case EVP_PKEY_RSA:
24 return i2d_RSAPublicKey(EVP_PKEY_get0_RSA(a), pp);
25#endif
26#ifndef OPENSSL_NO_DSA
27 case EVP_PKEY_DSA:
28 return i2d_DSAPublicKey(EVP_PKEY_get0_DSA(a), pp);
29#endif
30#ifndef OPENSSL_NO_EC
31 case EVP_PKEY_EC:
32 return i2o_ECPublicKey(EVP_PKEY_get0_EC_KEY(a), pp);
33#endif
34 default:
35 ASN1err(ASN1_F_I2D_PUBLICKEY, ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
36 return -1;
37 }
38}
39