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Fixed issue #36 & improved file consistency.

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This commit is contained in:
ikarus 2015-03-04 11:00:39 +01:00
parent c8387e85e3
commit 9cefee6f42
4 changed files with 117 additions and 98 deletions
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62
armsrc/crapto1.c
View file

@ -1,21 +1,21 @@
/* crapto1.c /* crapto1.c
This program is free software; you can redistribute it and/or This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2 as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version. of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, US$ Boston, MA 02110-1301, US$
Copyright (C) 2008-2008 bla <blapost@gmail.com> Copyright (C) 2008-2008 bla <blapost@gmail.com>
*/ */
#include "crapto1.h" #include "crapto1.h"
#include <stdlib.h> #include <stdlib.h>
@ -24,9 +24,9 @@
static uint8_t filterlut[1 << 20]; static uint8_t filterlut[1 << 20];
static void __attribute__((constructor)) fill_lut() static void __attribute__((constructor)) fill_lut()
{ {
uint32_t i; uint32_t i;
for(i = 0; i < 1 << 20; ++i) for(i = 0; i < 1 << 20; ++i)
filterlut[i] = filter(i); filterlut[i] = filter(i);
} }
#define filter(x) (filterlut[(x) & 0xfffff]) #define filter(x) (filterlut[(x) & 0xfffff])
#endif #endif
@ -34,6 +34,7 @@ static void __attribute__((constructor)) fill_lut()
static void quicksort(uint32_t* const start, uint32_t* const stop) static void quicksort(uint32_t* const start, uint32_t* const stop)
{ {
uint32_t *it = start + 1, *rit = stop; uint32_t *it = start + 1, *rit = stop;
uint32_t tmp;
if(it > rit) if(it > rit)
return; return;
@ -43,13 +44,19 @@ static void quicksort(uint32_t* const start, uint32_t* const stop)
++it; ++it;
else if(*rit > *start) else if(*rit > *start)
--rit; --rit;
else else {
*it ^= (*it ^= *rit, *rit ^= *it); tmp = *it;
*it = *rit;
*rit = tmp;
}
if(*rit >= *start) if(*rit >= *start)
--rit; --rit;
if(rit != start) if(rit != start) {
*rit ^= (*rit ^= *start, *start ^= *rit); tmp = *rit;
*rit = *start;
*start = tmp;
}
quicksort(start, rit - 1); quicksort(start, rit - 1);
quicksort(rit + 1, stop); quicksort(rit + 1, stop);
@ -145,12 +152,12 @@ recover(uint32_t *o_head, uint32_t *o_tail, uint32_t oks,
eks >>= 1; eks >>= 1;
in >>= 2; in >>= 2;
extend_table(o_head, &o_tail, oks & 1, LF_POLY_EVEN << 1 | 1, extend_table(o_head, &o_tail, oks & 1, LF_POLY_EVEN << 1 | 1,
LF_POLY_ODD << 1, 0); LF_POLY_ODD << 1, 0);
if(o_head > o_tail) if(o_head > o_tail)
return sl; return sl;
extend_table(e_head, &e_tail, eks & 1, LF_POLY_ODD, extend_table(e_head, &e_tail, eks & 1, LF_POLY_ODD,
LF_POLY_EVEN << 1 | 1, in & 3); LF_POLY_EVEN << 1 | 1, in & 3);
if(e_head > e_tail) if(e_head > e_tail)
return sl; return sl;
} }
@ -163,7 +170,7 @@ recover(uint32_t *o_head, uint32_t *o_tail, uint32_t oks,
o_tail = binsearch(o_head, o = o_tail); o_tail = binsearch(o_head, o = o_tail);
e_tail = binsearch(e_head, e = e_tail); e_tail = binsearch(e_head, e = e_tail);
sl = recover(o_tail--, o, oks, sl = recover(o_tail--, o, oks,
e_tail--, e, eks, rem, sl, in); e_tail--, e, eks, rem, sl, in);
} }
else if(*o_tail > *e_tail) else if(*o_tail > *e_tail)
o_tail = binsearch(o_head, o_tail) - 1; o_tail = binsearch(o_head, o_tail) - 1;
@ -319,9 +326,12 @@ uint8_t lfsr_rollback_bit(struct Crypto1State *s, uint32_t in, int fb)
{ {
int out; int out;
uint8_t ret; uint8_t ret;
uint32_t tmp;
s->odd &= 0xffffff; s->odd &= 0xffffff;
s->odd ^= (s->odd ^= s->even, s->even ^= s->odd); tmp = s->odd;
s->odd = s->even;
s->even = tmp;
out = s->even & 1; out = s->even & 1;
out ^= LF_POLY_EVEN & (s->even >>= 1); out ^= LF_POLY_EVEN & (s->even >>= 1);
@ -414,7 +424,7 @@ uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd)
*/ */
static struct Crypto1State* static struct Crypto1State*
check_pfx_parity(uint32_t prefix, uint32_t rresp, uint8_t parities[8][8], check_pfx_parity(uint32_t prefix, uint32_t rresp, uint8_t parities[8][8],
uint32_t odd, uint32_t even, struct Crypto1State* sl) uint32_t odd, uint32_t even, struct Crypto1State* sl)
{ {
uint32_t ks1, nr, ks2, rr, ks3, c, good = 1; uint32_t ks1, nr, ks2, rr, ks3, c, good = 1;
@ -459,7 +469,7 @@ lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8])
if(!s || !odd || !even) { if(!s || !odd || !even) {
free(statelist); free(statelist);
statelist = 0; statelist = 0;
goto out; goto out;
} }
for(o = odd; *o + 1; ++o) for(o = odd; *o + 1; ++o)

35
armsrc/crypto1.c
View file

@ -1,21 +1,21 @@
/* crypto1.c /* crypto1.c
This program is free software; you can redistribute it and/or This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2 as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version. of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, US MA 02110-1301, US
Copyright (C) 2008-2008 bla <blapost@gmail.com> Copyright (C) 2008-2008 bla <blapost@gmail.com>
*/ */
#include "crapto1.h" #include "crapto1.h"
#include <stdlib.h> #include <stdlib.h>
@ -37,8 +37,8 @@ void crypto1_create(struct Crypto1State *s, uint64_t key)
void crypto1_destroy(struct Crypto1State *state) void crypto1_destroy(struct Crypto1State *state)
{ {
// free(state); // free(state);
state->odd = 0; state->odd = 0;
state->even = 0; state->even = 0;
} }
void crypto1_get_lfsr(struct Crypto1State *state, uint64_t *lfsr) void crypto1_get_lfsr(struct Crypto1State *state, uint64_t *lfsr)
{ {
@ -51,6 +51,7 @@ void crypto1_get_lfsr(struct Crypto1State *state, uint64_t *lfsr)
uint8_t crypto1_bit(struct Crypto1State *s, uint8_t in, int is_encrypted) uint8_t crypto1_bit(struct Crypto1State *s, uint8_t in, int is_encrypted)
{ {
uint32_t feedin; uint32_t feedin;
uint32_t tmp;
uint8_t ret = filter(s->odd); uint8_t ret = filter(s->odd);
feedin = ret & !!is_encrypted; feedin = ret & !!is_encrypted;
@ -59,7 +60,9 @@ uint8_t crypto1_bit(struct Crypto1State *s, uint8_t in, int is_encrypted)
feedin ^= LF_POLY_EVEN & s->even; feedin ^= LF_POLY_EVEN & s->even;
s->even = s->even << 1 | parity(feedin); s->even = s->even << 1 | parity(feedin);
s->odd ^= (s->odd ^= s->even, s->even ^= s->odd); tmp = s->odd;
s->odd = s->even;
s->even = tmp;
return ret; return ret;
} }

43
client/nonce2key/crapto1.c
View file

@ -1,21 +1,21 @@
/* crapto1.c /* crapto1.c
This program is free software; you can redistribute it and/or This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2 as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version. of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, US$ Boston, MA 02110-1301, US$
Copyright (C) 2008-2008 bla <blapost@gmail.com> Copyright (C) 2008-2008 bla <blapost@gmail.com>
*/ */
#include "crapto1.h" #include "crapto1.h"
#include <stdlib.h> #include <stdlib.h>
@ -24,9 +24,9 @@
static uint8_t filterlut[1 << 20]; static uint8_t filterlut[1 << 20];
static void __attribute__((constructor)) fill_lut() static void __attribute__((constructor)) fill_lut()
{ {
uint32_t i; uint32_t i;
for(i = 0; i < 1 << 20; ++i) for(i = 0; i < 1 << 20; ++i)
filterlut[i] = filter(i); filterlut[i] = filter(i);
} }
#define filter(x) (filterlut[(x) & 0xfffff]) #define filter(x) (filterlut[(x) & 0xfffff])
#endif #endif
@ -209,7 +209,7 @@ recover(uint32_t *o_head, uint32_t *o_tail, uint32_t oks,
for (int i = bucket_info.numbuckets - 1; i >= 0; i--) { for (int i = bucket_info.numbuckets - 1; i >= 0; i--) {
sl = recover(bucket_info.bucket_info[1][i].head, bucket_info.bucket_info[1][i].tail, oks, sl = recover(bucket_info.bucket_info[1][i].head, bucket_info.bucket_info[1][i].tail, oks,
bucket_info.bucket_info[0][i].head, bucket_info.bucket_info[0][i].tail, eks, bucket_info.bucket_info[0][i].head, bucket_info.bucket_info[0][i].tail, eks,
rem, sl, in, bucket); rem, sl, in, bucket);
} }
@ -382,9 +382,12 @@ struct Crypto1State* lfsr_recovery64(uint32_t ks2, uint32_t ks3)
void lfsr_rollback_bit(struct Crypto1State *s, uint32_t in, int fb) void lfsr_rollback_bit(struct Crypto1State *s, uint32_t in, int fb)
{ {
int out; int out;
uint32_t tmp;
s->odd &= 0xffffff; s->odd &= 0xffffff;
s->odd ^= (s->odd ^= s->even, s->even ^= s->odd); tmp = s->odd;
s->odd = s->even;
s->even = tmp;
out = s->even & 1; out = s->even & 1;
out ^= LF_POLY_EVEN & (s->even >>= 1); out ^= LF_POLY_EVEN & (s->even >>= 1);
@ -481,7 +484,7 @@ uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd)
*/ */
static struct Crypto1State* static struct Crypto1State*
brute_top(uint32_t prefix, uint32_t rresp, unsigned char parities[8][8], brute_top(uint32_t prefix, uint32_t rresp, unsigned char parities[8][8],
uint32_t odd, uint32_t even, struct Crypto1State* sl, uint8_t no_chk) uint32_t odd, uint32_t even, struct Crypto1State* sl, uint8_t no_chk)
{ {
struct Crypto1State s; struct Crypto1State s;
uint32_t ks1, nr, ks2, rr, ks3, good, c; uint32_t ks1, nr, ks2, rr, ks3, good, c;
@ -548,7 +551,7 @@ lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8],
free(statelist); free(statelist);
free(odd); free(odd);
free(even); free(even);
return 0; return 0;
} }
s = statelist; s = statelist;

31
client/nonce2key/crypto1.c
View file

@ -1,21 +1,21 @@
/* crypto1.c /* crypto1.c
This program is free software; you can redistribute it and/or This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2 as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version. of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, US MA 02110-1301, US
Copyright (C) 2008-2008 bla <blapost@gmail.com> Copyright (C) 2008-2008 bla <blapost@gmail.com>
*/ */
#include "crapto1.h" #include "crapto1.h"
#include <stdlib.h> #include <stdlib.h>
@ -49,6 +49,7 @@ void crypto1_get_lfsr(struct Crypto1State *state, uint64_t *lfsr)
uint8_t crypto1_bit(struct Crypto1State *s, uint8_t in, int is_encrypted) uint8_t crypto1_bit(struct Crypto1State *s, uint8_t in, int is_encrypted)
{ {
uint32_t feedin; uint32_t feedin;
uint32_t tmp;
uint8_t ret = filter(s->odd); uint8_t ret = filter(s->odd);
feedin = ret & !!is_encrypted; feedin = ret & !!is_encrypted;
@ -57,7 +58,9 @@ uint8_t crypto1_bit(struct Crypto1State *s, uint8_t in, int is_encrypted)
feedin ^= LF_POLY_EVEN & s->even; feedin ^= LF_POLY_EVEN & s->even;
s->even = s->even << 1 | parity(feedin); s->even = s->even << 1 | parity(feedin);
s->odd ^= (s->odd ^= s->even, s->even ^= s->odd); tmp = s->odd;
s->odd = s->even;
s->even = tmp;
return ret; return ret;
} }