1c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* crypto/asn1/d2i_pu.c */ 2c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * All rights reserved. 4c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 5c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This package is an SSL implementation written 6c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * by Eric Young (eay@cryptsoft.com). 7c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The implementation was written so as to conform with Netscapes SSL. 8c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 9c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This library is free for commercial and non-commercial use as long as 10c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the following conditions are aheared to. The following conditions 11c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * apply to all code found in this distribution, be it the RC4, RSA, 12c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * included with this distribution is covered by the same copyright terms 14c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 16c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Copyright remains Eric Young's, and as such any Copyright notices in 17c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the code are not to be removed. 18c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * If this package is used in a product, Eric Young should be given attribution 19c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * as the author of the parts of the library used. 20c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This can be in the form of a textual message at program startup or 21c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * in documentation (online or textual) provided with the package. 22c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 23c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Redistribution and use in source and binary forms, with or without 24c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * modification, are permitted provided that the following conditions 25c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * are met: 26c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 1. Redistributions of source code must retain the copyright 27c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer. 28c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 29c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer in the 30c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * documentation and/or other materials provided with the distribution. 31c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 3. All advertising materials mentioning features or use of this software 32c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * must display the following acknowledgement: 33c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes cryptographic software written by 34c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Eric Young (eay@cryptsoft.com)" 35c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The word 'cryptographic' can be left out if the rouines from the library 36c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * being used are not cryptographic related :-). 37c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 4. If you include any Windows specific code (or a derivative thereof) from 38c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the apps directory (application code) you must include an acknowledgement: 39c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 41c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * SUCH DAMAGE. 52c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 53c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The licence and distribution terms for any publically available version or 54c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * derivative of this code cannot be changed. i.e. this code cannot simply be 55c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * copied and put under another distribution licence 56c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * [including the GNU Public Licence.] 57c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 58c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 59c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <stdio.h> 60c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include "cryptlib.h" 61c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/bn.h> 62c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/evp.h> 63c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/objects.h> 64c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/asn1.h> 65c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_RSA 66c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/rsa.h> 67c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 68c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_DSA 69c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/dsa.h> 70c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 71c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_EC 72c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/ec.h> 73c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 74c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 75c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgEVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, 76c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org long length) 77c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 78c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org EVP_PKEY *ret; 79c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 80c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((a == NULL) || (*a == NULL)) 81c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 82c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((ret=EVP_PKEY_new()) == NULL) 83c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 84c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_EVP_LIB); 85c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(NULL); 86c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 87c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 88c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else ret= *a; 89c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 90480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!EVP_PKEY_set_type(ret, type)) 91480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 92480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_EVP_LIB); 93480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 94480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 95480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 96480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org switch (EVP_PKEY_id(ret)) 97c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 98c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_RSA 99c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case EVP_PKEY_RSA: 100c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((ret->pkey.rsa=d2i_RSAPublicKey(NULL, 101c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (const unsigned char **)pp,length)) == NULL) /* TMP UGLY CAST */ 102c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 103c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB); 104c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 105c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 106c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 107c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 108c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_DSA 109c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case EVP_PKEY_DSA: 110c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!d2i_DSAPublicKey(&(ret->pkey.dsa), 111c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (const unsigned char **)pp,length)) /* TMP UGLY CAST */ 112c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 113c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB); 114c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 115c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 116c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 117c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 118c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_EC 119c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case EVP_PKEY_EC: 120c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!o2i_ECPublicKey(&(ret->pkey.ec), 121c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (const unsigned char **)pp, length)) 122c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 123c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); 124c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 125c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 126c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 127c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 128c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org default: 129c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_D2I_PUBLICKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE); 130c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 131c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* break; */ 132c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 133c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (a != NULL) (*a)=ret; 134c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(ret); 135c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgerr: 136c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((ret != NULL) && ((a == NULL) || (*a != ret))) EVP_PKEY_free(ret); 137c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(NULL); 138c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 139c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 140