forked from amazingfate/loongoffice
166 lines
4.0 KiB
C++
166 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_OOX_CRYPTO_CRYPTTOOLS_HXX
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#define INCLUDED_OOX_CRYPTO_CRYPTTOOLS_HXX
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#include <config_oox.h>
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#include <rtl/ustring.hxx>
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#if USE_TLS_OPENSSL
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#include <openssl/evp.h>
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#include <openssl/sha.h>
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#endif // USE_TLS_OPENSSL
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#if USE_TLS_NSS
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#include <nss.h>
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#include <pk11pub.h>
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#include <sechash.h>
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#endif // USE_TLS_NSS
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#include <rtl/digest.h>
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#include <vector>
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namespace oox {
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namespace core {
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class Crypto
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{
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public:
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enum CryptoType
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{
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UNKNOWN,
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AES_128_ECB,
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AES_128_CBC,
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AES_256_CBC,
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};
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protected:
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CryptoType mType;
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#if USE_TLS_OPENSSL
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EVP_CIPHER_CTX mContext;
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#endif
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#if USE_TLS_NSS
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PK11Context* mContext;
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SECItem* mSecParam;
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PK11SymKey* mSymKey;
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#endif
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#if USE_TLS_OPENSSL
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const EVP_CIPHER* getCipher(CryptoType type);
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#endif
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#if USE_TLS_NSS
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void setupContext(
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std::vector<sal_uInt8>& key,
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std::vector<sal_uInt8>& iv,
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CryptoType type,
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CK_ATTRIBUTE_TYPE operation);
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#endif
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protected:
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Crypto(CryptoType type);
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public:
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virtual ~Crypto();
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virtual sal_uInt32 update(
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std::vector<sal_uInt8>& output,
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std::vector<sal_uInt8>& input,
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sal_uInt32 inputLength = 0) = 0;
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};
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class Decrypt : public Crypto
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{
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public:
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Decrypt(std::vector<sal_uInt8>& key, CryptoType type);
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Decrypt(std::vector<sal_uInt8>& key, std::vector<sal_uInt8>& iv, CryptoType type);
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virtual sal_uInt32 update(
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std::vector<sal_uInt8>& output,
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std::vector<sal_uInt8>& input,
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sal_uInt32 inputLength = 0) SAL_OVERRIDE;
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static sal_uInt32 aes128ecb(
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std::vector<sal_uInt8>& output,
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std::vector<sal_uInt8>& input,
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std::vector<sal_uInt8>& key );
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};
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class Encrypt : public Crypto
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{
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public:
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Encrypt(std::vector<sal_uInt8>& key, CryptoType type);
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Encrypt(std::vector<sal_uInt8>& key, std::vector<sal_uInt8>& iv, CryptoType type);
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virtual sal_uInt32 update(
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std::vector<sal_uInt8>& output,
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std::vector<sal_uInt8>& input,
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sal_uInt32 inputLength = 0) SAL_OVERRIDE;
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};
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class Digest
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{
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public:
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enum DigestType
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{
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UNKNOWN,
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SHA1,
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SHA512
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};
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static const sal_uInt32 DIGEST_LENGTH_SHA1;
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static const sal_uInt32 DIGEST_LENGTH_SHA512;
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private:
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DigestType meType;
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#if USE_TLS_OPENSSL
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EVP_MD_CTX* mpContext;
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#endif
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#if USE_TLS_NSS
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HASHContext* mpContext;
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#endif
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public:
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Digest(DigestType eType);
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virtual ~Digest();
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bool update(std::vector<sal_uInt8>& input);
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bool finalize(std::vector<sal_uInt8>& digest);
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sal_uInt32 getLength();
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static bool sha1( std::vector<sal_uInt8>& digest, std::vector<sal_uInt8>& input);
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static bool sha512(std::vector<sal_uInt8>& digest, std::vector<sal_uInt8>& input);
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};
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bool sha1( std::vector<sal_uInt8>& digest, std::vector<sal_uInt8>& input);
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bool sha512(std::vector<sal_uInt8>& digest, std::vector<sal_uInt8>& input);
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} // namespace core
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} // namespace oox
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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