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/**
* @file llblowfish_tut.cpp
* @author James Cook, james@lindenlab.com
* @date 2007-02-04
*
* Data files generated with:
* openssl enc -bf-cbc -in blowfish.digits.txt -out blowfish.1.bin -K 00000000000000000000000000000000 -iv 0000000000000000 -p
* openssl enc -bf-cbc -in blowfish.digits.txt -out blowfish.2.bin -K 526a1e07a19dbaed84c4ff08a488d15e -iv 0000000000000000 -p
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "lltut.h"
#include "llblowfishcipher.h"
#include "lluuid.h"
namespace tut
{
class LLData
{
public:
unsigned char* mInput;
int mInputSize;
LLData()
{
// \n to make it easier to create text files
// for testing with command line openssl
mInput = (unsigned char*)"01234567890123456789012345678901234\n";
mInputSize = 36;
}
bool matchFile(const std::string& filename,
const std::string& data)
{
LLFILE* fp = LLFile::fopen(filename, "rb");
if (!fp)
{
// sometimes test is run inside the indra directory
std::string path = "test/";
path += filename;
fp = LLFile::fopen(path, "rb");
}
if (!fp)
{
LL_WARNS() << "unabled to open " << filename << LL_ENDL;
return false;
}
std::string good;
good.resize(256);
size_t got = fread(&good[0], 1, 256, fp);
LL_DEBUGS() << "matchFile read " << got << LL_ENDL;
fclose(fp);
good.resize(got);
return (good == data);
}
};
typedef test_group<LLData> blowfish_test;
typedef blowfish_test::object blowfish_object;
// Create test with name that can be selected on
// command line of test app.
tut::blowfish_test blowfish("blowfish");
template<> template<>
void blowfish_object::test<1>()
{
LLUUID blank;
LLBlowfishCipher cipher(&blank.mData[0], UUID_BYTES);
U32 dst_len = cipher.requiredEncryptionSpace(36);
ensure("encryption space 36",
(dst_len == 40) );
// Blowfish adds an additional 8-byte block if your
// input is an exact multiple of 8
dst_len = cipher.requiredEncryptionSpace(8);
ensure("encryption space 8",
(dst_len == 16) );
}
template<> template<>
void blowfish_object::test<2>()
{
LLUUID blank;
LLBlowfishCipher cipher(&blank.mData[0], UUID_BYTES);
std::string result;
result.resize(256);
U32 count = cipher.encrypt(mInput, mInputSize,
(U8*) &result[0], 256);
ensure("encrypt output count",
(count == 40) );
result.resize(count);
ensure("encrypt null key", matchFile("blowfish.1.bin", result));
}
template<> template<>
void blowfish_object::test<3>()
{
// same as base64 test id
LLUUID id("526a1e07-a19d-baed-84c4-ff08a488d15e");
LLBlowfishCipher cipher(&id.mData[0], UUID_BYTES);
std::string result;
result.resize(256);
U32 count = cipher.encrypt(mInput, mInputSize,
(U8*) &result[0], 256);
ensure("encrypt output count",
(count == 40) );
result.resize(count);
ensure("encrypt real key", matchFile("blowfish.2.bin", result));
}
}
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