155714Skris/* crypto/asn1/d2i_pu.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8280297Sjkim * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15280297Sjkim * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22280297Sjkim * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37280297Sjkim * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40280297Sjkim * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52280297Sjkim * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#include <stdio.h> 6055714Skris#include "cryptlib.h" 6155714Skris#include <openssl/bn.h> 6255714Skris#include <openssl/evp.h> 6355714Skris#include <openssl/objects.h> 6455714Skris#include <openssl/asn1.h> 65109998Smarkm#ifndef OPENSSL_NO_RSA 66280297Sjkim# include <openssl/rsa.h> 67109998Smarkm#endif 68109998Smarkm#ifndef OPENSSL_NO_DSA 69280297Sjkim# include <openssl/dsa.h> 70109998Smarkm#endif 71160814Ssimon#ifndef OPENSSL_NO_EC 72280297Sjkim# include <openssl/ec.h> 73160814Ssimon#endif 7455714Skris 75160814SsimonEVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, 76280297Sjkim long length) 77280297Sjkim{ 78280297Sjkim EVP_PKEY *ret; 7955714Skris 80280297Sjkim if ((a == NULL) || (*a == NULL)) { 81280297Sjkim if ((ret = EVP_PKEY_new()) == NULL) { 82280297Sjkim ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_EVP_LIB); 83280297Sjkim return (NULL); 84280297Sjkim } 85280297Sjkim } else 86280297Sjkim ret = *a; 8755714Skris 88280297Sjkim if (!EVP_PKEY_set_type(ret, type)) { 89280297Sjkim ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_EVP_LIB); 90280297Sjkim goto err; 91280297Sjkim } 92238405Sjkim 93280297Sjkim switch (EVP_PKEY_id(ret)) { 94109998Smarkm#ifndef OPENSSL_NO_RSA 95280297Sjkim case EVP_PKEY_RSA: 96280297Sjkim /* TMP UGLY CAST */ 97280297Sjkim if ((ret->pkey.rsa = d2i_RSAPublicKey(NULL, 98280297Sjkim (const unsigned char **)pp, 99280297Sjkim length)) == NULL) { 100280297Sjkim ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); 101280297Sjkim goto err; 102280297Sjkim } 103280297Sjkim break; 10455714Skris#endif 105109998Smarkm#ifndef OPENSSL_NO_DSA 106280297Sjkim case EVP_PKEY_DSA: 107280297Sjkim /* TMP UGLY CAST */ 108280297Sjkim if (!d2i_DSAPublicKey(&(ret->pkey.dsa), 109280297Sjkim (const unsigned char **)pp, length)) { 110280297Sjkim ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); 111280297Sjkim goto err; 112280297Sjkim } 113280297Sjkim break; 11455714Skris#endif 115160814Ssimon#ifndef OPENSSL_NO_EC 116280297Sjkim case EVP_PKEY_EC: 117280297Sjkim if (!o2i_ECPublicKey(&(ret->pkey.ec), 118280297Sjkim (const unsigned char **)pp, length)) { 119280297Sjkim ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); 120280297Sjkim goto err; 121280297Sjkim } 122280297Sjkim break; 123160814Ssimon#endif 124280297Sjkim default: 125280297Sjkim ASN1err(ASN1_F_D2I_PUBLICKEY, ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE); 126280297Sjkim goto err; 127280297Sjkim /* break; */ 128280297Sjkim } 129280297Sjkim if (a != NULL) 130280297Sjkim (*a) = ret; 131280297Sjkim return (ret); 132280297Sjkim err: 133280297Sjkim if ((ret != NULL) && ((a == NULL) || (*a != ret))) 134280297Sjkim EVP_PKEY_free(ret); 135280297Sjkim return (NULL); 136280297Sjkim} 137