1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* p8_pkey.c */ 2e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * project 1999. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* ==================================================================== 6221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the above copyright 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the documentation and/or other materials provided with the 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * distribution. 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * software must display the following acknowledgment: 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * endorse or promote products derived from this software without 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * prior written permission. For written permission, please contact 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * licensing@OpenSSL.org. 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5. Products derived from this software may not be called "OpenSSL" 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * nor may "OpenSSL" appear in their names without prior written 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * permission of the OpenSSL Project. 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 6. Redistributions of any form whatsoever must retain the following 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * acknowledgment: 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OF THE POSSIBILITY OF SUCH DAMAGE. 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ==================================================================== 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This product includes cryptographic software written by Eric Young 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * (eay@cryptsoft.com). This product includes software written by Tim 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Hudson (tjh@cryptsoft.com). 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/asn1t.h> 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/x509.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Minor tweak to operation: zero private key data */ 65221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, 66221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom void *exarg) 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Since the structure must still be valid use ASN1_OP_FREE_PRE */ 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(operation == ASN1_OP_FREE_PRE) { 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval; 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (key->pkey->value.octet_string) 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_cleanse(key->pkey->value.octet_string->data, 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project key->pkey->value.octet_string->length); 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = { 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER), 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR), 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY), 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0) 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO) 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO) 86221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 87221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj, 88221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom int version, 89221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom int ptype, void *pval, 90221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom unsigned char *penc, int penclen) 91221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 92221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom unsigned char **ppenc = NULL; 93221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (version >= 0) 94221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 95221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!ASN1_INTEGER_set(priv->version, version)) 96221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 0; 97221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 98221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (penc) 99221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 100221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom int pmtype; 101221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ASN1_OCTET_STRING *oct; 102221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom oct = ASN1_OCTET_STRING_new(); 103221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!oct) 104221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 0; 105221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom oct->data = penc; 106221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ppenc = &oct->data; 107221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom oct->length = penclen; 108221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (priv->broken == PKCS8_NO_OCTET) 109221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom pmtype = V_ASN1_SEQUENCE; 110221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom else 111221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom pmtype = V_ASN1_OCTET_STRING; 112221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ASN1_TYPE_set(priv->pkey, pmtype, oct); 113221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 114221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) 115221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 116221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* If call fails do not swallow 'enc' */ 117221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (ppenc) 118221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom *ppenc = NULL; 119221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 0; 120221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 121221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 1; 122221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 123221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 124221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint PKCS8_pkey_get0(ASN1_OBJECT **ppkalg, 125221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const unsigned char **pk, int *ppklen, 126221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom X509_ALGOR **pa, 127221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom PKCS8_PRIV_KEY_INFO *p8) 128221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 129221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (ppkalg) 130221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom *ppkalg = p8->pkeyalg->algorithm; 131221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if(p8->pkey->type == V_ASN1_OCTET_STRING) 132221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 133221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom p8->broken = PKCS8_OK; 134221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (pk) 135221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 136221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom *pk = p8->pkey->value.octet_string->data; 137221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom *ppklen = p8->pkey->value.octet_string->length; 138221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 139221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 140221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom else if (p8->pkey->type == V_ASN1_SEQUENCE) 141221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 142221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom p8->broken = PKCS8_NO_OCTET; 143221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (pk) 144221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 145221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom *pk = p8->pkey->value.sequence->data; 146221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom *ppklen = p8->pkey->value.sequence->length; 147221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 148221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 149221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom else 150221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 0; 151221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (pa) 152221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom *pa = p8->pkeyalg; 153221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 1; 154221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 155221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 156