Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2010 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
       7             :  *
       8             :  * Redistribution and use in source and binary forms, with or without
       9             :  * modification, are permitted provided that the following conditions
      10             :  * are met:
      11             :  *
      12             :  * 1. Redistributions of source code must retain the above copyright
      13             :  *    notice, this list of conditions and the following disclaimer.
      14             :  *
      15             :  * 2. Redistributions in binary form must reproduce the above copyright
      16             :  *    notice, this list of conditions and the following disclaimer in the
      17             :  *    documentation and/or other materials provided with the distribution.
      18             :  *
      19             :  * 3. Neither the name of the Institute nor the names of its contributors
      20             :  *    may be used to endorse or promote products derived from this software
      21             :  *    without specific prior written permission.
      22             :  *
      23             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      24             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      25             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      26             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      27             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      28             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      29             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      30             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      31             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      32             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      33             :  * SUCH DAMAGE.
      34             :  */
      35             : 
      36             : #include <config.h>
      37             : 
      38             : #include <errno.h>
      39             : 
      40             : #include <stdio.h>
      41             : #include <stdlib.h>
      42             : 
      43             : #include <krb5-types.h>
      44             : #include <rfc2459_asn1.h>
      45             : #include <hcrypto/bn.h>
      46             : 
      47             : 
      48             : #include "common.h"
      49             : 
      50             : int
      51           0 : _hc_BN_to_integer(BIGNUM *bn, heim_integer *integer)
      52             : {
      53           0 :     integer->length = BN_num_bytes(bn);
      54           0 :     integer->data = malloc(integer->length);
      55           0 :     if (integer->data == NULL)
      56           0 :         return ENOMEM;
      57           0 :     BN_bn2bin(bn, integer->data);
      58           0 :     integer->negative = BN_is_negative(bn);
      59           0 :     return 0;
      60             : }
      61             : 
      62             : BIGNUM *
      63        1112 : _hc_integer_to_BN(const heim_integer *i, BIGNUM *bn)
      64             : {
      65        1112 :     bn = BN_bin2bn(i->data, i->length, bn);
      66        1112 :     if (bn)
      67        1112 :         BN_set_negative(bn, i->negative);
      68        1112 :     return bn;
      69             : }