155714Skris/* p8_pkey.c */ 2194206Ssimon/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 355714Skris * project 1999. 455714Skris */ 555714Skris/* ==================================================================== 6238405Sjkim * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. 755714Skris * 855714Skris * Redistribution and use in source and binary forms, with or without 955714Skris * modification, are permitted provided that the following conditions 1055714Skris * are met: 1155714Skris * 1255714Skris * 1. Redistributions of source code must retain the above copyright 1355714Skris * notice, this list of conditions and the following disclaimer. 1455714Skris * 1555714Skris * 2. Redistributions in binary form must reproduce the above copyright 1655714Skris * notice, this list of conditions and the following disclaimer in 1755714Skris * the documentation and/or other materials provided with the 1855714Skris * distribution. 1955714Skris * 2055714Skris * 3. All advertising materials mentioning features or use of this 2155714Skris * software must display the following acknowledgment: 2255714Skris * "This product includes software developed by the OpenSSL Project 2355714Skris * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 2455714Skris * 2555714Skris * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 2655714Skris * endorse or promote products derived from this software without 2755714Skris * prior written permission. For written permission, please contact 2855714Skris * licensing@OpenSSL.org. 2955714Skris * 3055714Skris * 5. Products derived from this software may not be called "OpenSSL" 3155714Skris * nor may "OpenSSL" appear in their names without prior written 3255714Skris * permission of the OpenSSL Project. 3355714Skris * 3455714Skris * 6. Redistributions of any form whatsoever must retain the following 3555714Skris * acknowledgment: 3655714Skris * "This product includes software developed by the OpenSSL Project 3755714Skris * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 3855714Skris * 3955714Skris * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 4055714Skris * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4155714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 4255714Skris * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 4355714Skris * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 4455714Skris * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 4555714Skris * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 4655714Skris * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4755714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 4855714Skris * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 4955714Skris * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 5055714Skris * OF THE POSSIBILITY OF SUCH DAMAGE. 5155714Skris * ==================================================================== 5255714Skris * 5355714Skris * This product includes cryptographic software written by Eric Young 5455714Skris * (eay@cryptsoft.com). This product includes software written by Tim 5555714Skris * Hudson (tjh@cryptsoft.com). 5655714Skris * 5755714Skris */ 5855714Skris 5955714Skris#include <stdio.h> 6055714Skris#include "cryptlib.h" 61109998Smarkm#include <openssl/asn1t.h> 6255714Skris#include <openssl/x509.h> 6355714Skris 64109998Smarkm/* Minor tweak to operation: zero private key data */ 65238405Sjkimstatic int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, 66238405Sjkim void *exarg) 6755714Skris{ 68109998Smarkm /* Since the structure must still be valid use ASN1_OP_FREE_PRE */ 69109998Smarkm if(operation == ASN1_OP_FREE_PRE) { 70109998Smarkm PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval; 71109998Smarkm if (key->pkey->value.octet_string) 72109998Smarkm OPENSSL_cleanse(key->pkey->value.octet_string->data, 73109998Smarkm key->pkey->value.octet_string->length); 74109998Smarkm } 75109998Smarkm return 1; 7655714Skris} 7755714Skris 78109998SmarkmASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = { 79109998Smarkm ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER), 80109998Smarkm ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR), 81109998Smarkm ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY), 82109998Smarkm ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0) 83109998Smarkm} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO) 8455714Skris 85109998SmarkmIMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO) 86238405Sjkim 87238405Sjkimint PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj, 88238405Sjkim int version, 89238405Sjkim int ptype, void *pval, 90238405Sjkim unsigned char *penc, int penclen) 91238405Sjkim { 92238405Sjkim unsigned char **ppenc = NULL; 93238405Sjkim if (version >= 0) 94238405Sjkim { 95238405Sjkim if (!ASN1_INTEGER_set(priv->version, version)) 96238405Sjkim return 0; 97238405Sjkim } 98238405Sjkim if (penc) 99238405Sjkim { 100238405Sjkim int pmtype; 101238405Sjkim ASN1_OCTET_STRING *oct; 102238405Sjkim oct = ASN1_OCTET_STRING_new(); 103238405Sjkim if (!oct) 104238405Sjkim return 0; 105238405Sjkim oct->data = penc; 106238405Sjkim ppenc = &oct->data; 107238405Sjkim oct->length = penclen; 108238405Sjkim if (priv->broken == PKCS8_NO_OCTET) 109238405Sjkim pmtype = V_ASN1_SEQUENCE; 110238405Sjkim else 111238405Sjkim pmtype = V_ASN1_OCTET_STRING; 112238405Sjkim ASN1_TYPE_set(priv->pkey, pmtype, oct); 113238405Sjkim } 114238405Sjkim if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) 115238405Sjkim { 116238405Sjkim /* If call fails do not swallow 'enc' */ 117238405Sjkim if (ppenc) 118238405Sjkim *ppenc = NULL; 119238405Sjkim return 0; 120238405Sjkim } 121238405Sjkim return 1; 122238405Sjkim } 123238405Sjkim 124238405Sjkimint PKCS8_pkey_get0(ASN1_OBJECT **ppkalg, 125238405Sjkim const unsigned char **pk, int *ppklen, 126238405Sjkim X509_ALGOR **pa, 127238405Sjkim PKCS8_PRIV_KEY_INFO *p8) 128238405Sjkim { 129238405Sjkim if (ppkalg) 130238405Sjkim *ppkalg = p8->pkeyalg->algorithm; 131238405Sjkim if(p8->pkey->type == V_ASN1_OCTET_STRING) 132238405Sjkim { 133238405Sjkim p8->broken = PKCS8_OK; 134238405Sjkim if (pk) 135238405Sjkim { 136238405Sjkim *pk = p8->pkey->value.octet_string->data; 137238405Sjkim *ppklen = p8->pkey->value.octet_string->length; 138238405Sjkim } 139238405Sjkim } 140238405Sjkim else if (p8->pkey->type == V_ASN1_SEQUENCE) 141238405Sjkim { 142238405Sjkim p8->broken = PKCS8_NO_OCTET; 143238405Sjkim if (pk) 144238405Sjkim { 145238405Sjkim *pk = p8->pkey->value.sequence->data; 146238405Sjkim *ppklen = p8->pkey->value.sequence->length; 147238405Sjkim } 148238405Sjkim } 149238405Sjkim else 150238405Sjkim return 0; 151238405Sjkim if (pa) 152238405Sjkim *pa = p8->pkeyalg; 153238405Sjkim return 1; 154238405Sjkim } 155238405Sjkim 156