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151 lines
5.3 KiB
151 lines
5.3 KiB
/* crypto/asn1/x_pkey.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/asn1_mac.h>
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#include <openssl/x509.h>
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/* need to implement */
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int i2d_X509_PKEY(X509_PKEY *a, unsigned char **pp)
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{
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return(0);
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}
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X509_PKEY *d2i_X509_PKEY(X509_PKEY **a, const unsigned char **pp, long length)
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{
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int i;
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M_ASN1_D2I_vars(a,X509_PKEY *,X509_PKEY_new);
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M_ASN1_D2I_Init();
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M_ASN1_D2I_start_sequence();
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M_ASN1_D2I_get_x(X509_ALGOR,ret->enc_algor,d2i_X509_ALGOR);
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M_ASN1_D2I_get_x(ASN1_OCTET_STRING,ret->enc_pkey,d2i_ASN1_OCTET_STRING);
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ret->cipher.cipher=EVP_get_cipherbyname(
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OBJ_nid2ln(OBJ_obj2nid(ret->enc_algor->algorithm)));
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if (ret->cipher.cipher == NULL)
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{
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c.error=ASN1_R_UNSUPPORTED_CIPHER;
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c.line=__LINE__;
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goto err;
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}
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if (ret->enc_algor->parameter->type == V_ASN1_OCTET_STRING)
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{
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i=ret->enc_algor->parameter->value.octet_string->length;
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if (i > EVP_MAX_IV_LENGTH)
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{
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c.error=ASN1_R_IV_TOO_LARGE;
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c.line=__LINE__;
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goto err;
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}
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memcpy(ret->cipher.iv,
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ret->enc_algor->parameter->value.octet_string->data,i);
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}
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else
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memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);
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M_ASN1_D2I_Finish(a,X509_PKEY_free,ASN1_F_D2I_X509_PKEY);
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}
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X509_PKEY *X509_PKEY_new(void)
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{
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X509_PKEY *ret=NULL;
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ASN1_CTX c;
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M_ASN1_New_Malloc(ret,X509_PKEY);
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ret->version=0;
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M_ASN1_New(ret->enc_algor,X509_ALGOR_new);
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M_ASN1_New(ret->enc_pkey,M_ASN1_OCTET_STRING_new);
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ret->dec_pkey=NULL;
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ret->key_length=0;
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ret->key_data=NULL;
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ret->key_free=0;
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ret->cipher.cipher=NULL;
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memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);
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ret->references=1;
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return(ret);
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M_ASN1_New_Error(ASN1_F_X509_PKEY_NEW);
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}
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void X509_PKEY_free(X509_PKEY *x)
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{
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int i;
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if (x == NULL) return;
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i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_X509_PKEY);
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#ifdef REF_PRINT
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REF_PRINT("X509_PKEY",x);
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#endif
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if (i > 0) return;
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#ifdef REF_CHECK
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if (i < 0)
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{
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fprintf(stderr,"X509_PKEY_free, bad reference count\n");
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abort();
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}
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#endif
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if (x->enc_algor != NULL) X509_ALGOR_free(x->enc_algor);
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if (x->enc_pkey != NULL) M_ASN1_OCTET_STRING_free(x->enc_pkey);
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if (x->dec_pkey != NULL)EVP_PKEY_free(x->dec_pkey);
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if ((x->key_data != NULL) && (x->key_free)) OPENSSL_free(x->key_data);
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OPENSSL_free(x);
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}
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