x_pkey.c
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- /* crypto/asn1/x_pkey.c */
- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * 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 (tjh@cryptsoft.com).
- *
- * 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 (eay@cryptsoft.com)"
- * 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 (tjh@cryptsoft.com)"
- *
- * 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 countn");
- 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);
- }