x509_req.c revision 55714
1/* crypto/x509/x509_req.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#include <stdio.h> 60#include "cryptlib.h" 61#include <openssl/bn.h> 62#include <openssl/evp.h> 63#include <openssl/asn1.h> 64#include <openssl/x509.h> 65#include <openssl/objects.h> 66#include <openssl/buffer.h> 67#include <openssl/pem.h> 68 69X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, EVP_MD *md) 70 { 71 X509_REQ *ret; 72 X509_REQ_INFO *ri; 73 int i; 74 EVP_PKEY *pktmp; 75 76 ret=X509_REQ_new(); 77 if (ret == NULL) 78 { 79 X509err(X509_F_X509_TO_X509_REQ,ERR_R_MALLOC_FAILURE); 80 goto err; 81 } 82 83 ri=ret->req_info; 84 85 ri->version->length=1; 86 ri->version->data=(unsigned char *)Malloc(1); 87 if (ri->version->data == NULL) goto err; 88 ri->version->data[0]=0; /* version == 0 */ 89 90 if (!X509_REQ_set_subject_name(ret,X509_get_subject_name(x))) 91 goto err; 92 93 pktmp = X509_get_pubkey(x); 94 i=X509_REQ_set_pubkey(ret,pktmp); 95 EVP_PKEY_free(pktmp); 96 if (!i) goto err; 97 98 if (pkey != NULL) 99 { 100 if (!X509_REQ_sign(ret,pkey,md)) 101 goto err; 102 } 103 return(ret); 104err: 105 X509_REQ_free(ret); 106 return(NULL); 107 } 108 109EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req) 110 { 111 if ((req == NULL) || (req->req_info == NULL)) 112 return(NULL); 113 return(X509_PUBKEY_get(req->req_info->pubkey)); 114 } 115 116