#include "lib.h"

void main()
{
	/*FILE *fp;
	int keysize;
	char *file_content, *chipertext, *block1, *block2;
	int file_size = 61;
	int min_hamming_distance;

	fp = fopen("6.txt", "r");

	if (fp == NULL) {
		printf("Error open file\n");
		exit(1);
	}
	
	file_content = malloc(file_size);

	// read data and decode it from base64
	// result is not a hex strin or?

	while (fscanf(fp, "%60c", file_content) != EOF) {
		file_size += 61;
		file_content = realloc(file_content, file_size);
	}

	ciphertext = malloc(file_size);
	decode_base64(file_content, ciphertext);

	block1 = malloc(41);
	block2 = malloc(41);

	// split ciphertext in blocks of size 2 to 40
	for(keysize=2; keysize < 40; keysize++) {
		strncpy(block1, ciphertext, keysize);
		strncpy(block2, &ciphertext[keysize+1], keysize);

		tmp = hamming_distance(block1, block2);
		tmp = tmp / keysize;

		if (tmp < min_hamming_distance)
			min_hamming_distance = tmp;
	}

	printf("keysize: %i\n", min_hamming_distance);


	// transpose the blocks
*/	
}