1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/asn1/d2i_pu.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/bn.h> 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/evp.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/objects.h> 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/asn1.h> 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_RSA 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/rsa.h> 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_DSA 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/dsa.h> 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_EC 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/ec.h> 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectEVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long length) 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_PKEY *ret; 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((a == NULL) || (*a == NULL)) 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ret=EVP_PKEY_new()) == NULL) 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_EVP_LIB); 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else ret= *a; 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 90221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!EVP_PKEY_set_type(ret, type)) 91221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 92221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_EVP_LIB); 93221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom goto err; 94221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 95221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 96221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom switch (EVP_PKEY_id(ret)) 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_RSA 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case EVP_PKEY_RSA: 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ret->pkey.rsa=d2i_RSAPublicKey(NULL, 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (const unsigned char **)pp,length)) == NULL) /* TMP UGLY CAST */ 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB); 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_DSA 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case EVP_PKEY_DSA: 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!d2i_DSAPublicKey(&(ret->pkey.dsa), 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (const unsigned char **)pp,length)) /* TMP UGLY CAST */ 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB); 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_EC 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case EVP_PKEY_EC: 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!o2i_ECPublicKey(&(ret->pkey.ec), 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (const unsigned char **)pp, length)) 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default: 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1err(ASN1_F_D2I_PUBLICKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE); 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* break; */ 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a != NULL) (*a)=ret; 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecterr: 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ret != NULL) && ((a == NULL) || (*a != ret))) EVP_PKEY_free(ret); 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 140