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This commit is contained in:
iceman1001 2019-04-16 15:19:53 +02:00
commit 87a74e98b8
2 changed files with 7 additions and 20 deletions
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7
common/crapto1/crapto1.c
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@ -85,13 +85,12 @@ static struct Crypto1State *
recover(uint32_t *o_head, uint32_t *o_tail, uint32_t oks,
uint32_t *e_head, uint32_t *e_tail, uint32_t eks, int rem,
struct Crypto1State *sl, uint32_t in, bucket_array_t bucket) {
uint32_t *o, *e;
bucket_info_t bucket_info;
if (rem == -1) {
for (e = e_head; e <= e_tail; ++e) {
for (uint32_t *e = e_head; e <= e_tail; ++e) {
*e = *e << 1 ^ (evenparity32(*e & LF_POLY_EVEN)) ^ !!(in & 4);
for (o = o_head; o <= o_tail; ++o, ++sl) {
for (uint32_t *o = o_head; o <= o_tail; ++o, ++sl) {
sl->even = *o;
sl->odd = *e ^ (evenparity32(*o & LF_POLY_ODD));
sl[1].odd = sl[1].even = 0;
@ -301,7 +300,7 @@ uint8_t lfsr_rollback_bit(struct Crypto1State *s, uint32_t in, int fb) {
out ^= LF_POLY_EVEN & (s->even >>= 1);
out ^= LF_POLY_ODD & s->odd;
out ^= !!in;
out ^= (ret = filter(s->odd)) & !!fb;
out ^= (ret = filter(s->odd)) & (!!fb);
s->even |= (evenparity32(out)) << 23;
return ret;