testDES.cpp

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/*
 * testDES.cpp
 *
 * Copyright (C) 2007,2011  Thomas A. Vaughan
 * All rights reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THOMAS A. VAUGHAN ''AS IS'' AND ANY
 * EXPRESS 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 THOMAS A. VAUGHAN 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.
 *
 * Quick test for symmetric encryption.
 */

// includes --------------------------------------------------------------------
#include "wave-crypto/wave-crypto.h"// always include our own header file first!

#include <iostream>

#include "common/wave_ex.h"
#include "perf/perf.h"


struct test_t {
        const char *    input;
        int             minSize;
};


static const test_t s_tests[] = {
        // input string                                 // min size
        { "test",                                       0 },
        { "test",                                       1 },
        { "test",                                       4 },
        { "test",                                       100 },
        { "test",                                       -5 },
        { "Hello World!",                               0 },
        { "Hello World!",                               8 },
        { "Hello World!",                               12 },
        { "Hello World!",                               -4 },
        { "Hello World!",                               25 },
        { "",                                           0 },
        { "",                                           -1 },
        { "",                                           1 },
        { "",                                           16 },
        { "abcdefghijklmnopqrstuvwxyz",                 0 },
        { "ABCDEFGHIJKLMNOPQRSTUVWXYZ",                 0 },
        { "01234567890",                                0 },
        { ":",                                          0 },
        { ":",                                          -1 },
        { ":",                                          5 },

        // must be last!
        { NULL, 0 }
};



////////////////////////////////////////////////////////////////////////////////
//
//      static helper methods
//
////////////////////////////////////////////////////////////////////////////////

static void
doTest
(
IN crypto::DESKey * key,
IN const char * data,
IN int minSize
)
{
        ASSERT(key, "null");
        ASSERT(data, "null");

        long bytes = strlen(data);
        DPRINTF("'%s': %ld bytes", data, bytes);
        DPRINTF("  Requesting min size of %d bytes", minSize);

        std::string enc = key->encrypt(data, minSize);
        DPRINTF("  Encrypted: '%s'", enc.c_str());

        std::string dec = key->decrypt(enc.c_str());
        DPRINTF("  Decrypted: '%s'", dec.c_str());
        if (data != dec) {
                WAVE_EX(wex);
                wex << "Decrypted string does not match input!";
        }
}



////////////////////////////////////////////////////////////////////////////////
//
//      entry point
//
////////////////////////////////////////////////////////////////////////////////

int
main
(
IN int argc,
IN const char * argv[]
)
{
        int retval = 0;
        try {
                smart_ptr<crypto::DESKey> key = crypto::DESKey::create();
                if (!key) {
                        WAVE_EX(wex);
                        wex << "Failed to create DES key?";
                }

                for (const test_t * p = s_tests; p->input; ++p) {
                        doTest(key, p->input, p->minSize);
                }

        } catch (std::exception& e) {
                DPRINTF("Exception: %s", e.what());
                retval = 1;
        } catch (...) {
                DPRINTF("Unknown exception!");
                retval = 2;
        }
        perf::dumpTimingSummary(std::cerr);

        return retval;
}