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Through the Looking-Glass
2010-10-12: Through the Looking-Glass
My radio speaks is binary!
2010-10-10: My radio speaks is binary!
Gigaminx: (present for my birthday)
2010-09-16: Gigaminx: (present for my birthday)
Trini on bike
2010-09-05: Trini on bike
Valporquero
2010-08-28: Valporquero
My new bike!
2010-08-22: My new bike!
Mario and Ana's wedding
2010-08-13: Mario and Ana's wedding
Canyoning in Guara
2010-08-07: Canyoning in Guara
Trini and Mari in Marbella
2010-08-05: Trini and Mari in Marbella
Trini and Chelo in Tabarca
2010-08-03: Trini and Chelo in Tabarca
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Software CRC

128.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define DIVISOR 34943

int main(void)
{
	unsigned char buf[1500];
	int len;
	int i;
	unsigned int quot;

	while(fgets((char *)buf, 1024, stdin)) {
		quot = 0;
		if (buf[0]=='#') {
			break;
		}
		len = strlen((char *)buf);
		buf[len-1]=0;
		buf[len++]=0;
		if (len%2) {
			memmove(buf+1, buf, len);
			buf[0]=0;
			len++;
		}
		for(i=0; i<len; i+=2) {
			quot *= (unsigned)65536;
			quot += (unsigned)256*buf[i] + buf[i+1];
			quot %= DIVISOR;
		}
		if (quot) {
			quot = DIVISOR-quot;
		}
		printf("%02X %02X\n", quot/256, quot%256);
	}
	exit(0);
}