ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /sys/src/ape/lib/openssl/crypto/asn1/x_pkey.c/
/* crypto/asn1/x_pkey.c */
/* Copyright (C) 1995-1998 Eric Young ([email protected])
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young ([email protected]).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson ([email protected]).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young ([email protected])"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson ([email protected])"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/asn1_mac.h>
#include <openssl/x509.h>
/* need to implement */
int i2d_X509_PKEY(X509_PKEY *a, unsigned char **pp)
{
return(0);
}
X509_PKEY *d2i_X509_PKEY(X509_PKEY **a, const unsigned char **pp, long length)
{
int i;
M_ASN1_D2I_vars(a,X509_PKEY *,X509_PKEY_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
M_ASN1_D2I_get_x(X509_ALGOR,ret->enc_algor,d2i_X509_ALGOR);
M_ASN1_D2I_get_x(ASN1_OCTET_STRING,ret->enc_pkey,d2i_ASN1_OCTET_STRING);
ret->cipher.cipher=EVP_get_cipherbyname(
OBJ_nid2ln(OBJ_obj2nid(ret->enc_algor->algorithm)));
if (ret->cipher.cipher == NULL)
{
c.error=ASN1_R_UNSUPPORTED_CIPHER;
c.line=__LINE__;
goto err;
}
if (ret->enc_algor->parameter->type == V_ASN1_OCTET_STRING)
{
i=ret->enc_algor->parameter->value.octet_string->length;
if (i > EVP_MAX_IV_LENGTH)
{
c.error=ASN1_R_IV_TOO_LARGE;
c.line=__LINE__;
goto err;
}
memcpy(ret->cipher.iv,
ret->enc_algor->parameter->value.octet_string->data,i);
}
else
memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);
M_ASN1_D2I_Finish(a,X509_PKEY_free,ASN1_F_D2I_X509_PKEY);
}
X509_PKEY *X509_PKEY_new(void)
{
X509_PKEY *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret,X509_PKEY);
ret->version=0;
M_ASN1_New(ret->enc_algor,X509_ALGOR_new);
M_ASN1_New(ret->enc_pkey,M_ASN1_OCTET_STRING_new);
ret->dec_pkey=NULL;
ret->key_length=0;
ret->key_data=NULL;
ret->key_free=0;
ret->cipher.cipher=NULL;
memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);
ret->references=1;
return(ret);
M_ASN1_New_Error(ASN1_F_X509_PKEY_NEW);
}
void X509_PKEY_free(X509_PKEY *x)
{
int i;
if (x == NULL) return;
i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_X509_PKEY);
#ifdef REF_PRINT
REF_PRINT("X509_PKEY",x);
#endif
if (i > 0) return;
#ifdef REF_CHECK
if (i < 0)
{
fprintf(stderr,"X509_PKEY_free, bad reference count\n");
abort();
}
#endif
if (x->enc_algor != NULL) X509_ALGOR_free(x->enc_algor);
if (x->enc_pkey != NULL) M_ASN1_OCTET_STRING_free(x->enc_pkey);
if (x->dec_pkey != NULL)EVP_PKEY_free(x->dec_pkey);
if ((x->key_data != NULL) && (x->key_free)) OPENSSL_free(x->key_data);
OPENSSL_free(x);
}