crypto/asn1/p8_pkey.c

   1 /* p8_pkey.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 <openssl/asn1_mac.h>
  62
  63 /*
  64  *ASN1err(ASN1_F_PKCS8_PRIV_KEY_INFO_NEW,ASN1_R_DECODE_ERROR)
  65  *ASN1err(ASN1_F_D2I_PKCS8_PRIV_KEY_INFO,ASN1_R_DECODE_ERROR)
  66  */
  67
  68 int i2d_PKCS8_PRIV_KEY_INFO (PKCS8_PRIV_KEY_INFO *a, unsigned char **pp)
  69 {
  70
  71         M_ASN1_I2D_vars(a);
  72
  73         M_ASN1_I2D_len (a->version, i2d_ASN1_INTEGER);
  74         M_ASN1_I2D_len (a->pkeyalg, i2d_X509_ALGOR);
  75         M_ASN1_I2D_len (a->pkey, i2d_ASN1_TYPE);
  76         M_ASN1_I2D_len_IMP_SET_opt (a->attributes, i2d_X509_ATTRIBUTE, 0);
  77
  78         M_ASN1_I2D_seq_total ();
  79
  80         M_ASN1_I2D_put (a->version, i2d_ASN1_INTEGER);
  81         M_ASN1_I2D_put (a->pkeyalg, i2d_X509_ALGOR);
  82         M_ASN1_I2D_put (a->pkey, i2d_ASN1_TYPE);
  83         M_ASN1_I2D_put_IMP_SET_opt (a->attributes, i2d_X509_ATTRIBUTE, 0);
  84
  85         M_ASN1_I2D_finish();
  86 }
  87
  88 PKCS8_PRIV_KEY_INFO *PKCS8_PRIV_KEY_INFO_new(void)
  89 {
  90         PKCS8_PRIV_KEY_INFO *ret=NULL;
  91         ASN1_CTX c;
  92         M_ASN1_New_Malloc(ret, PKCS8_PRIV_KEY_INFO);
  93         M_ASN1_New (ret->version, ASN1_INTEGER_new);
  94         M_ASN1_New (ret->pkeyalg, X509_ALGOR_new);
  95         M_ASN1_New (ret->pkey, ASN1_TYPE_new);
  96         ret->attributes = NULL;
  97         ret->broken = PKCS8_OK;
  98         return (ret);
  99         M_ASN1_New_Error(ASN1_F_PKCS8_PRIV_KEY_INFO_NEW);
 100 }
 101
 102 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO **a,
 103              unsigned char **pp, long length)
 104 {
 105         M_ASN1_D2I_vars(a,PKCS8_PRIV_KEY_INFO *,PKCS8_PRIV_KEY_INFO_new);
 106         M_ASN1_D2I_Init();
 107         M_ASN1_D2I_start_sequence();
 108         M_ASN1_D2I_get (ret->version, d2i_ASN1_INTEGER);
 109         M_ASN1_D2I_get (ret->pkeyalg, d2i_X509_ALGOR);
 110         M_ASN1_D2I_get (ret->pkey, d2i_ASN1_TYPE);
 111         M_ASN1_D2I_get_IMP_set_opt(ret->attributes, d2i_X509_ATTRIBUTE,
 112                                                  X509_ATTRIBUTE_free, 0);
 113         if (ASN1_TYPE_get(ret->pkey) == V_ASN1_SEQUENCE)
 114                                                 ret->broken = PKCS8_NO_OCTET;
 115         M_ASN1_D2I_Finish(a, PKCS8_PRIV_KEY_INFO_free, ASN1_F_D2I_PKCS8_PRIV_KEY_INFO);
 116 }
 117
 118 void PKCS8_PRIV_KEY_INFO_free (PKCS8_PRIV_KEY_INFO *a)
 119 {
 120         if (a == NULL) return;
 121         ASN1_INTEGER_free (a->version);
 122         X509_ALGOR_free(a->pkeyalg);
 123         /* Clear sensitive data */
 124         if (a->pkey->value.octet_string)
 125                 memset (a->pkey->value.octet_string->data,
 126                                  0, a->pkey->value.octet_string->length);
 127         ASN1_TYPE_free (a->pkey);
 128         sk_pop_free (a->attributes, X509_ATTRIBUTE_free);
 129         Free ((char *)a);
 130 }