diff options
Diffstat (limited to 'lib/decoding/interleave.c')
| -rw-r--r-- | lib/decoding/interleave.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/lib/decoding/interleave.c b/lib/decoding/interleave.c deleted file mode 100644 index c6304db..0000000 --- a/lib/decoding/interleave.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - The Hacker's Choice - http://www.thc.org - Part of THC's GSM SCANNER PROJECT -*/ - -#include <stdlib.h> -#include <stdio.h> -#include "interleave.h" - -int -interleave_init(INTERLEAVE_CTX *ictx, int size, int block_size) -{ - ictx->trans_size = size; - ictx->trans = (unsigned short *)malloc(size * sizeof *ictx->trans); - -// DEBUGF("size: %d\n", size); -// DEBUGF("Block size: %d\n", block_size); - int j, k, B; - for (k = 0; k < size; k++) - { - B = k % 4; - j = 2 * ((49 * k) % 57) + ((k % 8) / 4); - ictx->trans[k] = B * block_size + j; - /* Mapping: pos1 goes to pos2: pos1 -> pos2 */ - //printf("%d -> %d\n", ictx->trans[k], k); - } -// exit(0); - return 0; -} - -int -interleave_init_facch_f(INTERLEAVE_CTX *ictx, int size, int block_size, int block_offset) -{ - ictx->trans_size = size; - ictx->trans = (unsigned short *)malloc(size * sizeof *ictx->trans); - -// DEBUGF("size: %d\n", size); -// DEBUGF("Block size: %d\n", block_size); - int j, k, B; - for (k = 0; k < size; k++) - { - B = (k + block_offset) % 8; - j = 2 * ((49 * k) % 57) + ((k % 8) / 4); - ictx->trans[k] = B * block_size + j; - /* Mapping: pos1 goes to pos2: pos1 -> pos2 */ -// DEBUGF("%d -> %d\n", ictx->trans[k], k); - } -// exit(0); - return 0; -} - -int -interleave_deinit(INTERLEAVE_CTX *ictx) -{ - if (ictx->trans != NULL) - { - free(ictx->trans); - ictx->trans = NULL; - } - - return 0; -} - -void -interleave_decode(INTERLEAVE_CTX *ictx, unsigned char *dst, unsigned char *src) -{ - printf("Lol\n"); - int k; - for (k = 0; k < ictx->trans_size; k++) - { - printf("k=%d, ictx->trans[k]=%d\n", k, ictx->trans[k]); - dst[k] = src[ictx->trans[k]]; - } -} - |