Import OpenSSL 1.1.0f
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@@ -1,58 +1,13 @@
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/* crypto/cms/cms_enc.c */
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/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
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* Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "cryptlib.h"
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#include "internal/cryptlib.h"
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#include <openssl/asn1t.h>
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#include <openssl/pem.h>
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#include <openssl/x509v3.h>
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@@ -63,8 +18,6 @@
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/* CMS EncryptedData Utilities */
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DECLARE_ASN1_ITEM(CMS_EncryptedData)
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/* Return BIO based on EncryptedContentInfo and key */
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BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
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@@ -84,7 +37,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
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enc = ec->cipher ? 1 : 0;
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b = BIO_new(BIO_f_cipher());
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if (!b) {
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if (b == NULL) {
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CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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@@ -132,7 +85,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
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/* Generate random session key */
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if (!enc || !ec->key) {
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tkey = OPENSSL_malloc(tkeylen);
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if (!tkey) {
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if (tkey == NULL) {
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CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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@@ -164,8 +117,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
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goto err;
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} else {
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/* Use random key */
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OPENSSL_cleanse(ec->key, ec->keylen);
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OPENSSL_free(ec->key);
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OPENSSL_clear_free(ec->key, ec->keylen);
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ec->key = tkey;
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ec->keylen = tkeylen;
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tkey = NULL;
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@@ -199,15 +151,11 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
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ok = 1;
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err:
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if (ec->key && (!keep_key || !ok)) {
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OPENSSL_cleanse(ec->key, ec->keylen);
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OPENSSL_free(ec->key);
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if (!keep_key || !ok) {
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OPENSSL_clear_free(ec->key, ec->keylen);
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ec->key = NULL;
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}
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if (tkey) {
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OPENSSL_cleanse(tkey, tkeylen);
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OPENSSL_free(tkey);
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}
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OPENSSL_clear_free(tkey, tkeylen);
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if (ok)
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return b;
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BIO_free(b);
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@@ -221,7 +169,7 @@ int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
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ec->cipher = cipher;
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if (key) {
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ec->key = OPENSSL_malloc(keylen);
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if (!ec->key)
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if (ec->key == NULL)
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return 0;
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memcpy(ec->key, key, keylen);
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}
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