diff options
Diffstat (limited to 'crypto/cms/cms_enc.c')
| -rw-r--r-- | crypto/cms/cms_enc.c | 81 |
1 files changed, 15 insertions, 66 deletions
diff --git a/crypto/cms/cms_enc.c b/crypto/cms/cms_enc.c index 90b1fcc75075..a1719830e8d4 100644 --- a/crypto/cms/cms_enc.c +++ b/crypto/cms/cms_enc.c @@ -1,58 +1,13 @@ -/* crypto/cms/cms_enc.c */ /* - * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project. - */ -/* ==================================================================== - * Copyright (c) 2008 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. + * Copyright 2008-2018 The OpenSSL Project Authors. All Rights Reserved. * - * 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. - * ==================================================================== + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ -#include "cryptlib.h" +#include "internal/cryptlib.h" #include <openssl/asn1t.h> #include <openssl/pem.h> #include <openssl/x509v3.h> @@ -63,8 +18,6 @@ /* CMS EncryptedData Utilities */ -DECLARE_ASN1_ITEM(CMS_EncryptedData) - /* Return BIO based on EncryptedContentInfo and key */ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec) @@ -84,7 +37,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec) enc = ec->cipher ? 1 : 0; b = BIO_new(BIO_f_cipher()); - if (!b) { + if (b == NULL) { CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE); return NULL; } @@ -132,7 +85,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec) /* Generate random session key */ if (!enc || !ec->key) { tkey = OPENSSL_malloc(tkeylen); - if (!tkey) { + if (tkey == NULL) { CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE); goto err; } @@ -164,8 +117,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec) goto err; } else { /* Use random key */ - OPENSSL_cleanse(ec->key, ec->keylen); - OPENSSL_free(ec->key); + OPENSSL_clear_free(ec->key, ec->keylen); ec->key = tkey; ec->keylen = tkeylen; tkey = NULL; @@ -199,15 +151,11 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec) ok = 1; err: - if (ec->key && (!keep_key || !ok)) { - OPENSSL_cleanse(ec->key, ec->keylen); - OPENSSL_free(ec->key); + if (!keep_key || !ok) { + OPENSSL_clear_free(ec->key, ec->keylen); ec->key = NULL; } - if (tkey) { - OPENSSL_cleanse(tkey, tkeylen); - OPENSSL_free(tkey); - } + OPENSSL_clear_free(tkey, tkeylen); if (ok) return b; BIO_free(b); @@ -220,9 +168,10 @@ int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec, { ec->cipher = cipher; if (key) { - ec->key = OPENSSL_malloc(keylen); - if (!ec->key) + if ((ec->key = OPENSSL_malloc(keylen)) == NULL) { + CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT, ERR_R_MALLOC_FAILURE); return 0; + } memcpy(ec->key, key, keylen); } ec->keylen = keylen; |