crypto/asn1/p5_pbev2.c

   1 /* p5_pbev2.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
   3  * project 1999.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999 The OpenSSL Project.  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
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include "asn1_mac.h"
  62 #include "rand.h"
  63
  64 /* PKCS#5 v2.0 password based encryption structures */
  65
  66 /*
  67  *ASN1err(ASN1_F_PBE2PARAM_NEW,ASN1_R_DECODE_ERROR)
  68  *ASN1err(ASN1_F_D2I_PBE2PARAM,ASN1_R_DECODE_ERROR)
  69  *ASN1err(ASN1_F_PBKDF2PARAM_NEW,ASN1_R_DECODE_ERROR)
  70  *ASN1err(ASN1_F_D2I_PBKDF2PARAM,ASN1_R_DECODE_ERROR)
  71  */
  72
  73 int i2d_PBE2PARAM(PBE2PARAM *a, unsigned char **pp)
  74 {
  75         M_ASN1_I2D_vars(a);
  76         M_ASN1_I2D_len (a->keyfunc, i2d_X509_ALGOR);
  77         M_ASN1_I2D_len (a->encryption, i2d_X509_ALGOR);
  78
  79         M_ASN1_I2D_seq_total ();
  80
  81         M_ASN1_I2D_put (a->keyfunc, i2d_X509_ALGOR);
  82         M_ASN1_I2D_put (a->encryption, i2d_X509_ALGOR);
  83
  84         M_ASN1_I2D_finish();
  85 }
  86
  87 PBE2PARAM *PBE2PARAM_new(void)
  88 {
  89         PBE2PARAM *ret=NULL;
  90         ASN1_CTX c;
  91         M_ASN1_New_Malloc(ret, PBE2PARAM);
  92         M_ASN1_New(ret->keyfunc,X509_ALGOR_new);
  93         M_ASN1_New(ret->encryption,X509_ALGOR_new);
  94         return (ret);
  95         M_ASN1_New_Error(ASN1_F_PBE2PARAM_NEW);
  96 }
  97
  98 PBE2PARAM *d2i_PBE2PARAM(PBE2PARAM **a, unsigned char **pp, long length)
  99 {
 100         M_ASN1_D2I_vars(a,PBE2PARAM *,PBE2PARAM_new);
 101         M_ASN1_D2I_Init();
 102         M_ASN1_D2I_start_sequence();
 103         M_ASN1_D2I_get (ret->keyfunc, d2i_X509_ALGOR);
 104         M_ASN1_D2I_get (ret->encryption, d2i_X509_ALGOR);
 105         M_ASN1_D2I_Finish(a, PBE2PARAM_free, ASN1_F_D2I_PBE2PARAM);
 106 }
 107
 108 void PBE2PARAM_free (PBE2PARAM *a)
 109 {
 110         if(a==NULL) return;
 111         X509_ALGOR_free(a->keyfunc);
 112         X509_ALGOR_free(a->encryption);
 113         Free ((char *)a);
 114 }
 115
 116 int i2d_PBKDF2PARAM(PBKDF2PARAM *a, unsigned char **pp)
 117 {
 118         M_ASN1_I2D_vars(a);
 119         M_ASN1_I2D_len (a->salt, i2d_ASN1_OCTET_STRING);
 120         M_ASN1_I2D_len (a->iter, i2d_ASN1_INTEGER);
 121         M_ASN1_I2D_len (a->keylength, i2d_ASN1_INTEGER);
 122         M_ASN1_I2D_len (a->prf, i2d_X509_ALGOR);
 123
 124         M_ASN1_I2D_seq_total ();
 125
 126         M_ASN1_I2D_put (a->salt, i2d_ASN1_OCTET_STRING);
 127         M_ASN1_I2D_put (a->iter, i2d_ASN1_INTEGER);
 128         M_ASN1_I2D_put (a->keylength, i2d_ASN1_INTEGER);
 129         M_ASN1_I2D_put (a->prf, i2d_X509_ALGOR);
 130
 131         M_ASN1_I2D_finish();
 132 }
 133
 134 PBKDF2PARAM *PBKDF2PARAM_new(void)
 135 {
 136         PBKDF2PARAM *ret=NULL;
 137         ASN1_CTX c;
 138         M_ASN1_New_Malloc(ret, PBKDF2PARAM);
 139         M_ASN1_New(ret->salt, ASN1_OCTET_STRING_new);
 140         M_ASN1_New(ret->iter, ASN1_INTEGER_new);
 141         ret->keylength = NULL;
 142         ret->prf = NULL;
 143         return (ret);
 144         M_ASN1_New_Error(ASN1_F_PBKDF2PARAM_NEW);
 145 }
 146
 147 PBKDF2PARAM *d2i_PBKDF2PARAM(PBKDF2PARAM **a, unsigned char **pp,
 148              long length)
 149 {
 150         M_ASN1_D2I_vars(a,PBKDF2PARAM *,PBKDF2PARAM_new);
 151         M_ASN1_D2I_Init();
 152         M_ASN1_D2I_start_sequence();
 153         M_ASN1_D2I_get (ret->salt, d2i_ASN1_OCTET_STRING);
 154         M_ASN1_D2I_get (ret->iter, d2i_ASN1_INTEGER);
 155         M_ASN1_D2I_get_opt (ret->keylength, d2i_ASN1_INTEGER, V_ASN1_INTEGER);
 156         M_ASN1_D2I_get_opt (ret->prf, d2i_X509_ALGOR, V_ASN1_SEQUENCE);
 157         M_ASN1_D2I_Finish(a, PBKDF2PARAM_free, ASN1_F_D2I_PBKDF2PARAM);
 158 }
 159
 160 void PBKDF2PARAM_free (PBKDF2PARAM *a)
 161 {
 162         if(a==NULL) return;
 163         ASN1_OCTET_STRING_free(a->salt);
 164         ASN1_INTEGER_free(a->iter);
 165         ASN1_INTEGER_free(a->keylength);
 166         X509_ALGOR_free(a->prf);
 167         Free ((char *)a);
 168 }
 169