121 lines
4.2 KiB
C
121 lines
4.2 KiB
C
/* crypto/x509/x509type.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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int X509_certificate_type(X509 *x, EVP_PKEY *pkey)
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{
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EVP_PKEY *pk;
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int ret=0,i;
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if (x == NULL) return(0);
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if (pkey == NULL)
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pk=X509_get_pubkey(x);
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else
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pk=pkey;
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if (pk == NULL) return(0);
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switch (pk->type)
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{
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case EVP_PKEY_RSA:
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ret=EVP_PK_RSA|EVP_PKT_SIGN;
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/* if (!sign only extension) */
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ret|=EVP_PKT_ENC;
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break;
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case EVP_PKEY_DSA:
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ret=EVP_PK_DSA|EVP_PKT_SIGN;
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break;
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case EVP_PKEY_EC:
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ret=EVP_PK_EC|EVP_PKT_SIGN|EVP_PKT_EXCH;
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break;
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case EVP_PKEY_DH:
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ret=EVP_PK_DH|EVP_PKT_EXCH;
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break;
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default:
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break;
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}
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i=X509_get_signature_type(x);
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switch (i)
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{
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case EVP_PKEY_RSA:
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ret|=EVP_PKS_RSA;
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break;
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case EVP_PKEY_DSA:
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ret|=EVP_PKS_DSA;
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break;
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case EVP_PKEY_EC:
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ret|=EVP_PKS_EC;
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break;
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default:
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break;
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}
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if (EVP_PKEY_size(pk) <= 1024/8)/* /8 because it's 1024 bits we look
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for, not bytes */
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ret|=EVP_PKT_EXP;
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if(pkey==NULL) EVP_PKEY_free(pk);
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return(ret);
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}
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