SHA1 test

C++

#include <stdio.h>
#include <string.h>
#include <time.h>
#include <vector>
#include <openssl/sha.h>

using namespace std;

int main()
{

	static const char chars[] = "abcdefghijklmnopqrstuvwxyz";
	static const char length = 6;
	static const int total = 26^length;

	int i1 = 0;
	int i2 = 0;
	int i3 = 0;
	int i4 = 0;
	int i5 = 0;
	int i6 = 0;

    unsigned char ibuf[6];
    unsigned char obuf[20];
	char buff[6];
	unsigned int len;
	int n=0.1;
	int perc=0;

	time_t seconds = time (NULL);

	for(i1=0;i1<26;i1++) {
		for(i2=0;i2<26;i2++) {
			for(i3=0;i3<26;i3++) {
				for(i4=0;i4<26;i4++) {
					for(i5=0;i5<26;i5++) {
						for(i6=0;i6<26;i6++) {
							len = sprintf(buff, "%c%c%c%c%c%c", chars[i1], chars[i2], chars[i3], chars[i4], chars[i5], chars[i6]);
							memcpy(ibuf, buff, 6);
							//printf("%c%c%c%c%c%c", ibuf[0], ibuf[1], ibuf[2], ibuf[3], ibuf[4], ibuf[5]);
							SHA1(ibuf, len, obuf);

							for(int i=0;i<20;i++) {
								printf("%x ", obuf[i]);
							}
							printf("\n");
						}
					}
				}
			}
		}
	}

	time_t finish = (time (NULL) - seconds);

	printf("%d hashes in %d seconds", n, finish);
	printf("\n");

    return 0;
}