Merge pull request #538 from merlokk/hardnestedsetsimd

hardnested SIMD select
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Iceman 2018-01-06 18:54:27 +01:00 committed by GitHub
commit 932af56ea0
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5 changed files with 161 additions and 42 deletions

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@ -25,6 +25,7 @@
#include "mifarehost.h"
#include "mifare.h"
#include "mfkey.h"
#include "hardnested/hardnested_bf_core.h"
#define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up
@ -862,6 +863,13 @@ int CmdHF14AMfNestedHard(const char *Cmd)
PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin");
PrintAndLog(" s: Slower acquisition (required by some non standard cards)");
PrintAndLog(" r: Read nonces.bin and start attack");
PrintAndLog(" iX: set type of SIMD instructions. Without this flag programs autodetect it.");
PrintAndLog(" i5: AVX512");
PrintAndLog(" i2: AVX2");
PrintAndLog(" ia: AVX");
PrintAndLog(" is: SSE2");
PrintAndLog(" im: MMX");
PrintAndLog(" in: none (use CPU regular instruction set)");
PrintAndLog(" ");
PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
@ -880,15 +888,20 @@ int CmdHF14AMfNestedHard(const char *Cmd)
int tests = 0;
uint16_t iindx = 0;
if (ctmp == 'R' || ctmp == 'r') {
nonce_file_read = true;
iindx = 1;
if (!param_gethex(Cmd, 1, trgkey, 12)) {
know_target_key = true;
iindx = 2;
}
} else if (ctmp == 'T' || ctmp == 't') {
tests = param_get32ex(Cmd, 1, 100, 10);
iindx = 2;
if (!param_gethex(Cmd, 2, trgkey, 12)) {
know_target_key = true;
iindx = 3;
}
} else {
blockNo = param_get8(Cmd, 0);
@ -922,19 +935,54 @@ int CmdHF14AMfNestedHard(const char *Cmd)
know_target_key = true;
i++;
}
iindx = i;
while ((ctmp = param_getchar(Cmd, i))) {
if (ctmp == 's' || ctmp == 'S') {
slow = true;
} else if (ctmp == 'w' || ctmp == 'W') {
nonce_file_write = true;
} else if (param_getlength(Cmd, i) == 2 && ctmp == 'i') {
iindx = i;
} else {
PrintAndLog("Possible options are w and/or s");
PrintAndLog("Possible options are w , s and/or iX");
return 1;
}
i++;
}
}
SetSIMDInstr(SIMD_AUTO);
if (iindx > 0) {
while ((ctmp = param_getchar(Cmd, iindx))) {
if (param_getlength(Cmd, iindx) == 2 && ctmp == 'i') {
switch(param_getchar_indx(Cmd, 1, iindx)) {
case '5':
SetSIMDInstr(SIMD_AVX512);
break;
case '2':
SetSIMDInstr(SIMD_AVX2);
break;
case 'a':
SetSIMDInstr(SIMD_AVX);
break;
case 's':
SetSIMDInstr(SIMD_SSE2);
break;
case 'm':
SetSIMDInstr(SIMD_MMX);
break;
case 'n':
SetSIMDInstr(SIMD_NONE);
break;
default:
PrintAndLog("Unknown SIMD type. %c", param_getchar_indx(Cmd, 1, iindx));
return 1;
}
}
iindx++;
}
}
PrintAndLog("--target block no:%3d, target key type:%c, known target key: 0x%02x%02x%02x%02x%02x%02x%s, file action: %s, Slow: %s, Tests: %d ",
trgBlockNo,