aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/linden/indra/test/llblowfish_tut.cpp
blob: b220755941e2c50f6c1cb9646ae9edaccae4d3bc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/** 
 * @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
 *
 * $LicenseInfo:firstyear=2007&license=viewergpl$
 * 
 * Copyright (c) 2007, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlife.com/developers/opensource/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at http://secondlife.com/developers/opensource/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#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 char* filename,
				const std::string& data)
		{
			FILE* fp = fopen(filename, "rb");
			if (!fp) 
			{
				// sometimes test is run inside the indra directory
				std::string path = "test/";
				path += filename;
				fp = fopen(path.c_str(), "rb");
			}
			if (!fp)
			{
				llwarns << "unabled to open " << filename << llendl;
				return false;
			}

			std::string good;
			good.resize(256);
			size_t got = fread(&good[0], 1, 256, fp);
			lldebugs << "matchFile read " << got << llendl;
			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));
	}
}