scip/bubblebabble
1
0
Fork 0
mirror of https://codeberg.org/scip/bubblebabble.git synced 2025-12-16 19:00:57 +01:00
Code Issues Packages Projects Releases Wiki Activity

move to codeberg (#1)

Browse Source
This commit is contained in:
T. von Dein
2025-12-01 20:42:23 +01:00
parent ef56d4eaa8
commit 865c545a02
6 changed files with 203 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

121
bubblebabble.c
View File

@@ -30,89 +30,48 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include "bubblebabble.h"
static char *
fingerprint_bubblebabble(u_char *dgst_raw, size_t dgst_raw_len)
{
char vowels[] = { 'a', 'e', 'i', 'o', 'u', 'y' };
char consonants[] = { 'b', 'c', 'd', 'f', 'g', 'h', 'k', 'l', 'm',
'n', 'p', 'r', 's', 't', 'v', 'z', 'x' };
u_int i, j = 0, rounds, seed = 1;
char *retval;
char *fingerprint_bubblebabble(u_char *dgst_raw, size_t dgst_raw_len) {
char vowels[] = {'a', 'e', 'i', 'o', 'u', 'y'};
char consonants[] = {'b', 'c', 'd', 'f', 'g', 'h', 'k', 'l', 'm',
'n', 'p', 'r', 's', 't', 'v', 'z', 'x'};
u_int i, j = 0, rounds, seed = 1;
char *retval;
rounds = (dgst_raw_len / 2) + 1;
if ((retval = calloc(rounds, 6)) == NULL)
return NULL;
retval[j++] = 'x';
for (i = 0; i < rounds; i++) {
u_int idx0, idx1, idx2, idx3, idx4;
if ((i + 1 < rounds) || (dgst_raw_len % 2 != 0)) {
idx0 = (((((u_int)(dgst_raw[2 * i])) >> 6) & 3) +
seed) % 6;
idx1 = (((u_int)(dgst_raw[2 * i])) >> 2) & 15;
idx2 = ((((u_int)(dgst_raw[2 * i])) & 3) +
(seed / 6)) % 6;
retval[j++] = vowels[idx0];
retval[j++] = consonants[idx1];
retval[j++] = vowels[idx2];
if ((i + 1) < rounds) {
idx3 = (((u_int)(dgst_raw[(2 * i) + 1])) >> 4) & 15;
idx4 = (((u_int)(dgst_raw[(2 * i) + 1]))) & 15;
retval[j++] = consonants[idx3];
retval[j++] = '-';
retval[j++] = consonants[idx4];
seed = ((seed * 5) +
((((u_int)(dgst_raw[2 * i])) * 7) +
((u_int)(dgst_raw[(2 * i) + 1])))) % 36;
}
} else {
idx0 = seed % 6;
idx1 = 16;
idx2 = seed / 6;
retval[j++] = vowels[idx0];
retval[j++] = consonants[idx1];
retval[j++] = vowels[idx2];
}
}
retval[j++] = 'x';
retval[j++] = '\0';
return retval;
}
int main(int argc, char **argv) {
FILE *input;
u_char digest[1024];
size_t digestlen;
char *hash;
int out = 1;
if(argc < 2) {
input = stdin;
}
else {
if((input = fopen(argv[1], "rb")) == NULL) {
fprintf(stderr, "oops, could not open file!\n");
goto done;
rounds = (dgst_raw_len / 2) + 1;
if ((retval = calloc(rounds, 6)) == NULL)
return NULL;
retval[j++] = 'x';
for (i = 0; i < rounds; i++) {
u_int idx0, idx1, idx2, idx3, idx4;
if ((i + 1 < rounds) || (dgst_raw_len % 2 != 0)) {
idx0 = (((((u_int)(dgst_raw[2 * i])) >> 6) & 3) + seed) % 6;
idx1 = (((u_int)(dgst_raw[2 * i])) >> 2) & 15;
idx2 = ((((u_int)(dgst_raw[2 * i])) & 3) + (seed / 6)) % 6;
retval[j++] = vowels[idx0];
retval[j++] = consonants[idx1];
retval[j++] = vowels[idx2];
if ((i + 1) < rounds) {
idx3 = (((u_int)(dgst_raw[(2 * i) + 1])) >> 4) & 15;
idx4 = (((u_int)(dgst_raw[(2 * i) + 1]))) & 15;
retval[j++] = consonants[idx3];
retval[j++] = '-';
retval[j++] = consonants[idx4];
seed = ((seed * 5) + ((((u_int)(dgst_raw[2 * i])) * 7) +
((u_int)(dgst_raw[(2 * i) + 1])))) %
36;
}
} else {
idx0 = seed % 6;
idx1 = 16;
idx2 = seed / 6;
retval[j++] = vowels[idx0];
retval[j++] = consonants[idx1];
retval[j++] = vowels[idx2];
}
}
digestlen = fread(digest, 1, 1024, input);
if(digestlen > 0) {
hash = fingerprint_bubblebabble(digest, digestlen);
fprintf(stdout, "%s\n", hash);
free(hash);
out = 0;
}
else {
fprintf(stderr, "oops, could not calculate bubbles!\n");
goto done;
}
done:
return out;
retval[j++] = 'x';
retval[j++] = '\0';
return retval;
}