openssl/crypto/asn1/p8_pkey.c
1999-07-21 22:10:23 +00:00

129 lines
4.8 KiB
C

/* p8_pkey.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
* project 1999.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* 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 above 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 acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1_mac.h>
#include <openssl/x509.h>
int i2d_PKCS8_PRIV_KEY_INFO (PKCS8_PRIV_KEY_INFO *a, unsigned char **pp)
{
M_ASN1_I2D_vars(a);
M_ASN1_I2D_len (a->version, i2d_ASN1_INTEGER);
M_ASN1_I2D_len (a->pkeyalg, i2d_X509_ALGOR);
M_ASN1_I2D_len (a->pkey, i2d_ASN1_TYPE);
M_ASN1_I2D_len_IMP_SET_opt_type (X509_ATTRIBUTE, a->attributes,
i2d_X509_ATTRIBUTE, 0);
M_ASN1_I2D_seq_total ();
M_ASN1_I2D_put (a->version, i2d_ASN1_INTEGER);
M_ASN1_I2D_put (a->pkeyalg, i2d_X509_ALGOR);
M_ASN1_I2D_put (a->pkey, i2d_ASN1_TYPE);
M_ASN1_I2D_put_IMP_SET_opt_type (X509_ATTRIBUTE, a->attributes,
i2d_X509_ATTRIBUTE, 0);
M_ASN1_I2D_finish();
}
PKCS8_PRIV_KEY_INFO *PKCS8_PRIV_KEY_INFO_new(void)
{
PKCS8_PRIV_KEY_INFO *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret, PKCS8_PRIV_KEY_INFO);
M_ASN1_New (ret->version, ASN1_INTEGER_new);
M_ASN1_New (ret->pkeyalg, X509_ALGOR_new);
M_ASN1_New (ret->pkey, ASN1_TYPE_new);
ret->attributes = NULL;
ret->broken = PKCS8_OK;
return (ret);
M_ASN1_New_Error(ASN1_F_PKCS8_PRIV_KEY_INFO_NEW);
}
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO **a,
unsigned char **pp, long length)
{
M_ASN1_D2I_vars(a,PKCS8_PRIV_KEY_INFO *,PKCS8_PRIV_KEY_INFO_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
M_ASN1_D2I_get (ret->version, d2i_ASN1_INTEGER);
M_ASN1_D2I_get (ret->pkeyalg, d2i_X509_ALGOR);
M_ASN1_D2I_get (ret->pkey, d2i_ASN1_TYPE);
M_ASN1_D2I_get_IMP_set_opt_type(X509_ATTRIBUTE, ret->attributes,
d2i_X509_ATTRIBUTE,
X509_ATTRIBUTE_free, 0);
if (ASN1_TYPE_get(ret->pkey) == V_ASN1_SEQUENCE)
ret->broken = PKCS8_NO_OCTET;
M_ASN1_D2I_Finish(a, PKCS8_PRIV_KEY_INFO_free, ASN1_F_D2I_PKCS8_PRIV_KEY_INFO);
}
void PKCS8_PRIV_KEY_INFO_free (PKCS8_PRIV_KEY_INFO *a)
{
if (a == NULL) return;
ASN1_INTEGER_free (a->version);
X509_ALGOR_free(a->pkeyalg);
/* Clear sensitive data */
if (a->pkey->value.octet_string)
memset (a->pkey->value.octet_string->data,
0, a->pkey->value.octet_string->length);
ASN1_TYPE_free (a->pkey);
sk_X509_ATTRIBUTE_pop_free (a->attributes, X509_ATTRIBUTE_free);
Free (a);
}