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