mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-11 02:34:21 +00:00
d83a3d71bc
Merge in RedPhone // FREEBIE
156 lines
5.0 KiB
C
156 lines
5.0 KiB
C
/* p8_pkey.c */
|
|
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
|
* project 1999.
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 1999-2005 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/asn1t.h>
|
|
#include <openssl/x509.h>
|
|
|
|
/* Minor tweak to operation: zero private key data */
|
|
static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
|
|
void *exarg)
|
|
{
|
|
/* Since the structure must still be valid use ASN1_OP_FREE_PRE */
|
|
if(operation == ASN1_OP_FREE_PRE) {
|
|
PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;
|
|
if (key->pkey->value.octet_string)
|
|
OPENSSL_cleanse(key->pkey->value.octet_string->data,
|
|
key->pkey->value.octet_string->length);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = {
|
|
ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER),
|
|
ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR),
|
|
ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY),
|
|
ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0)
|
|
} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
|
|
|
|
IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)
|
|
|
|
int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj,
|
|
int version,
|
|
int ptype, void *pval,
|
|
unsigned char *penc, int penclen)
|
|
{
|
|
unsigned char **ppenc = NULL;
|
|
if (version >= 0)
|
|
{
|
|
if (!ASN1_INTEGER_set(priv->version, version))
|
|
return 0;
|
|
}
|
|
if (penc)
|
|
{
|
|
int pmtype;
|
|
ASN1_OCTET_STRING *oct;
|
|
oct = ASN1_OCTET_STRING_new();
|
|
if (!oct)
|
|
return 0;
|
|
oct->data = penc;
|
|
ppenc = &oct->data;
|
|
oct->length = penclen;
|
|
if (priv->broken == PKCS8_NO_OCTET)
|
|
pmtype = V_ASN1_SEQUENCE;
|
|
else
|
|
pmtype = V_ASN1_OCTET_STRING;
|
|
ASN1_TYPE_set(priv->pkey, pmtype, oct);
|
|
}
|
|
if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval))
|
|
{
|
|
/* If call fails do not swallow 'enc' */
|
|
if (ppenc)
|
|
*ppenc = NULL;
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg,
|
|
const unsigned char **pk, int *ppklen,
|
|
X509_ALGOR **pa,
|
|
PKCS8_PRIV_KEY_INFO *p8)
|
|
{
|
|
if (ppkalg)
|
|
*ppkalg = p8->pkeyalg->algorithm;
|
|
if(p8->pkey->type == V_ASN1_OCTET_STRING)
|
|
{
|
|
p8->broken = PKCS8_OK;
|
|
if (pk)
|
|
{
|
|
*pk = p8->pkey->value.octet_string->data;
|
|
*ppklen = p8->pkey->value.octet_string->length;
|
|
}
|
|
}
|
|
else if (p8->pkey->type == V_ASN1_SEQUENCE)
|
|
{
|
|
p8->broken = PKCS8_NO_OCTET;
|
|
if (pk)
|
|
{
|
|
*pk = p8->pkey->value.sequence->data;
|
|
*ppklen = p8->pkey->value.sequence->length;
|
|
}
|
|
}
|
|
else
|
|
return 0;
|
|
if (pa)
|
|
*pa = p8->pkeyalg;
|
|
return 1;
|
|
}
|
|
|