Example #1
0
int _tmain(int argc, _TCHAR* argv[])
{
	waveform = 0;
	freq = 32.65f;
	pulseWidth = 0;
	cutoff = 65;
	resonance = 30;
	generate_samples(carrier);

	waveform = 0;
	freq = 5000.f;
	pulseWidth = 100;
	cutoff = 50;
	resonance = 0;
	generate_samples(modulator);

	for(int t = 0; t < MAX_SAMPLES; t++) {
//		carrier[t] = carrier[t] * modulator[t] >> 14;
	}

	FILE *file;
	file = fopen("Output.raw", "wb");
	if (file == NULL) {
//		std::cout << "File cannot be opened\n";
		return 1;
	}
	fwrite(carrier, 2, MAX_SAMPLES, file);
	fclose(file);
}
Example #2
0
void SampleGeneratorBase::generate_samples(
    const size_t                sample_count,
    SampleAccumulationBuffer&   buffer,
    IAbortSwitch&               abort_switch)
{
    assert(sample_count > 0);

    clear_keep_memory(m_samples);
    m_samples.reserve(sample_count);

    size_t stored_sample_count = 0;

    while (stored_sample_count < sample_count)
    {
        stored_sample_count += generate_samples(m_sequence_index, m_samples);

        ++m_sequence_index;

        if (++m_current_batch_size == SampleBatchSize)
        {
            m_current_batch_size = 0;
            m_sequence_index += m_stride;

            if (abort_switch.is_aborted())
                break;
        }
    }

    if (stored_sample_count > 0)
        buffer.store_samples(stored_sample_count, &m_samples[0]);
}
 void mage_hts_engine_impl::do_synthesize()
 {
   setup();
   int time=0;
   int dur=0;
   for(label_sequence::iterator label_iter=input->lbegin();label_iter!=input->lend();++label_iter)
     {
       label_iter->set_time(time);
       generate_parameters(*label_iter);
       dur=mage->getDuration()*MAGE::defaultFrameRate;
       label_iter->set_duration(dur);
       time+=dur;
       generate_samples(*label_iter);
       if(output->is_stopped())
         return;
     }
 }
PureRandom::PureRandom(const int num)
	: Sampler(num) {
	generate_samples();
}
int main(int argc, char **argv)
{
	key_data key;

	int inc = 10;
	int num_trials = 1;

	// Initialize the microblaze platform...
	init_platform();
	
	// Set up the attack incremement
	if (inc > 0) 
	{
		inc = 1 << inc;
	}
	printf("\nStudy increment: %d", inc);

	// Display the algorithm.
	printf("\nUsing algorithm \"%s\"", alg_name());
	printf("\nAttacking key \"%s\"", argv[1]);

	// Display the number of trials...
	if (num_trials != 1)
	{
		printf("\nNumber of trials: %d", num_trials);
	}

	/*
	else if (out_file)
		printf("\nOutputting to file: %s", out_file);
	else if (in_file)
		printf("\nReading from file: %s", in_file);
	*/

#ifdef NONE_AES
	printf("\nAttacking NONE_AES_CORE implementation");
#elif defined(SMALL_AES)
	printf("\nAttacking SMALL_AES_CORE implementation");
#else
	printf("\nAttacking traditional AES_CORE implementation");
#endif

#ifdef DECRYPT_MODE
	printf("\nDECRYPT MODE");
#else
	printf("\nENCRYPT MODE");
#endif

	cache_evict_init();

	int * results = malloc(num_trials * sizeof(int));

	timing_pair * buffer = malloc(BUF_SIZE * sizeof(timing_pair));
	timing_data * data = malloc(sizeof(timing_data));

	if (data == 0x0)
	{
		printf("Data couldn't allocate.\n");
		return;
	}
	if (buffer == 0x0)
	{
		printf("Buffer couldn't allocate.\n");
		return;
	}

	FILE * in;
	//if (!USE_RANDOM_KEY)
	{
		printf("Initializing random key...\n");
		re_key(&key, argv[1]);
	}

	fflush(stdout);

	/*
	if (out_file)
	{
		output_timings(out_file, buffer, inc, &key);
		return 1;
	}

	if (in_file)
	{
		char open_type = 'r';
		in = fopen(in_file, &open_type);

		if (in == NULL)
		{
			printf("\nCould not open file: %s", in_file);
			return -1;
		}
	}
	*/

	int round, i;
	for (round = 1; round <= num_trials; round++)
	{
		printf("\nBeginning Attack #%d\n", round);

		init_data(data);

		//if (USE_RANDOM_KEY)
		// reseed with a random key
		re_key(&key, "/dev/random");

		long long num_studies = 0;

		double clip_time = 0;

		int success = 0;

		long long max = MAX_STUDY;

		while (num_studies < max && !success)
		{
			printf("num_studies = %d\n", num_studies);

			int offset = num_studies % BUF_SIZE;
			if (inc > BUF_SIZE)
			{
				int read = 0;
				int num_read = BUF_SIZE;
				while (read < inc)
				{
					//printf("read = %d\n", read);
					generate_samples(buffer, &key);
					printf("buffer address %x:\n", buffer);
					printf("data address = %x\n", data);
					clip_time = calculate_clip_time(buffer, num_read);

					for (i = 0; i < BUF_SIZE && read < inc; i++)
					{
						//printf("i = %d\n", i);
						if (buffer[offset + i].time < clip_time)
							record_timing(data, &buffer[offset + i]);

						read++;
					}
				}
			}
			else
			{
				printf("inc <= BUF_SIZE\n");
				if (offset == 0)
				{

					int num_read = BUF_SIZE;

					//if (!in_file)
					generate_samples(buffer, &key);
					printf("generate_samples done\n");
					/*else
					{
						num_read = fread(buffer, sizeof(timing_pair), BUF_SIZE,
								in);
						if (num_read < BUF_SIZE)
							max = num_studies + num_read;

						printf("\nRead in %d samples ", num_read);
					}*/
					clip_time = calculate_clip_time(buffer, num_read);
					printf("clip_time done\n");
				}

				for (i = 0; i < inc; i++)
					printf("i (inc) = %d\n", i);
					if (buffer[offset + i].time < clip_time)
						record_timing(data, &buffer[offset + i]);
			}
			num_studies += inc;

			printf("\nchecking data!\n");
			if (check_data(data, &key))
			{
				printf(
						"\nKey recovered after studying %lld samples (< 2^%d)\n",
						num_studies, bound(num_studies));

				success = 1;
			}
			else
				printf("\nNo success after studying %d samples", num_studies);
		}
		if (!success)
			printf("Attack failed after %d encryptions", num_studies);

		else
		{

			int j = round - 1;

			while (j > 0 && results[j - 1] > num_studies)
			{
				results[j] = results[j - 1];
				j--;
			}

			results[j] = num_studies;

			printf("\nResults: ");

			int total = 0;

			for (j = 0; j < round; j++)
			{
				printf("  %d ", results[j]);
				total += results[j];
			}

			printf("\nMin: %d", results[0]);
			printf("\nMax: %d", results[round - 1]);

			printf("\nMed: %d", results[round / 2]);
			printf("\nMean: %.2f", ((double) total) / round);

		}
	}

	// Clean up and terminate...
	cleanup_platform();
}
Example #6
0
Regular::Regular(const int num)
	: 	Sampler(num) 
{
	generate_samples();
}
Example #7
0
Regular::Regular(const Regular& u)			
	: Sampler(u)
{
	generate_samples();
}
Example #8
0
//copy constructor
Hammersley::Hammersley(const Hammersley& h)			
	: 	Sampler(h) {
	generate_samples();
}
Example #9
0
MultiJittered::MultiJittered(const int num_samples, const int m)
  : 	Sampler(num_samples, m) {
  generate_samples();
}
Example #10
0
NRooks::NRooks(const NRooks& nr)			
	: Sampler(nr) {
	generate_samples();
}
Example #11
0
MultiJittered::MultiJittered(unsigned long num_samples): Sampler(num_samples)
{

	generate_samples();
}
Example #12
0
MultiJittered::MultiJittered(unsigned long num_samples, const int m): Sampler(num_samples, m)
{
	generate_samples();
}
Example #13
0
const SampleBundle2D& Hammersley2D::get_next() {
    if ( samples_.empty() )
        generate_samples();

    return samples_;
}
PureRandom::PureRandom(const PureRandom& r)
	: Sampler(r) {
	generate_samples();
}
Example #15
0
const SampleBundle2D& NRooks2D::get_next() {
    samples_.clear();
    generate_samples();
    return samples_;
}
Example #16
0
NRooks::NRooks(const int num_samples, const int m)
	: 	Sampler(num_samples, m) {
	generate_samples();
}
Example #17
0
Jittered::Jittered(const Jittered& js)			
	: Sampler(js)
{
	generate_samples();
}
Example #18
0
MultiJittered::MultiJittered(const int num_samples)
  : 	Sampler(num_samples) {
//	count = 0;
//	jump = 0;
  generate_samples();
}
Example #19
0
Jittered::Jittered(const int num_samples)
	: Sampler(num_samples)
{
	generate_samples();
}
Example #20
0
MultiJittered::MultiJittered(const MultiJittered& mjs)
  : Sampler(mjs)
{
  generate_samples();
}
Example #21
0
//constructor
Hammersley::Hammersley(const int num)
	: 	Sampler(num) {
	generate_samples();
}