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Add: new option 'd' in 'hf mf ekeyprn' to create dumpkeys.bin from emulator memory (#822)

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(and whitespace fixes)
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pwpiwi 2019-05-22 19:02:58 +02:00 • committed by GitHub
parent 9ebbfd898c
commit a39af1cb9c
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1 changed files with 302 additions and 270 deletions
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44
client/cmdhfmf.c
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@ -1951,31 +1951,37 @@ int CmdHF14AMfECFill(const char *Cmd)
return 0; return 0;
} }
int CmdHF14AMfEKeyPrn(const char *Cmd) int CmdHF14AMfEKeyPrn(const char *Cmd)
{ {
int i; int i;
uint8_t numSectors; uint8_t numSectors = 16;
uint8_t data[16]; uint8_t data[16];
uint64_t keyA, keyB; uint64_t keyA, keyB;
bool createDumpFile = false;
if (param_getchar(Cmd, 0) == 'h') { if (param_getchar(Cmd, 0) == 'h') {
PrintAndLog("It prints the keys loaded in the emulator memory"); PrintAndLog("It prints the keys loaded in the emulator memory");
PrintAndLog("Usage: hf mf ekeyprn [card memory]"); PrintAndLog("Usage: hf mf ekeyprn [card memory] [d]");
PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
PrintAndLog(" [d] : write keys to binary file dumpkeys.bin");
PrintAndLog(""); PrintAndLog("");
PrintAndLog(" sample: hf mf ekeyprn 1"); PrintAndLog(" sample: hf mf ekeyprn 1");
return 0; return 0;
} }
char cmdp = param_getchar(Cmd, 0); uint8_t cmdp = 0;
while (param_getchar(Cmd, cmdp) != 0x00) {
switch (cmdp) { switch (param_getchar(Cmd, cmdp)) {
case '0' : numSectors = 5; break; case '0' : numSectors = 5; break;
case '1' : case '1' :
case '\0': numSectors = 16; break; case '\0': numSectors = 16; break;
case '2' : numSectors = 32; break; case '2' : numSectors = 32; break;
case '4' : numSectors = 40; break; case '4' : numSectors = 40; break;
default: numSectors = 16; case 'd' :
case 'D' : createDumpFile = true; break;
}
cmdp++;
} }
PrintAndLog("|---|----------------|----------------|"); PrintAndLog("|---|----------------|----------------|");
@ -1992,9 +1998,35 @@ int CmdHF14AMfEKeyPrn(const char *Cmd)
} }
PrintAndLog("|---|----------------|----------------|"); PrintAndLog("|---|----------------|----------------|");
// Create dump file
if (createDumpFile) {
FILE *fkeys;
if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
PrintAndLog("Could not create file dumpkeys.bin");
return 1;
}
PrintAndLog("Printing keys to binary file dumpkeys.bin...");
for(i = 0; i < numSectors; i++) {
if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
break;
}
fwrite(data+6, 1, 6, fkeys);
}
for(i = 0; i < numSectors; i++) {
if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
break;
}
fwrite(data+10, 1, 6, fkeys);
}
fclose(fkeys);
}
return 0; return 0;
} }
int CmdHF14AMfCSetUID(const char *Cmd) int CmdHF14AMfCSetUID(const char *Cmd)
{ {
uint8_t uid[8] = {0x00}; uint8_t uid[8] = {0x00};