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merlokk 2018-10-24 18:18:05 +03:00
commit 61ea3109c9
12 changed files with 1015 additions and 129 deletions
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120
client/cmdhfmf.c
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@ -9,6 +9,7 @@
//-----------------------------------------------------------------------------
#include "cmdhfmf.h"
#include "mifare4.h"
#define MIFARE_4K_MAXBLOCK 255
#define MIFARE_2K_MAXBLOCK 128
@ -3067,50 +3068,12 @@ out:
return 0;
}
int aes_encode(uint8_t *iv, uint8_t *key, uint8_t *input, uint8_t *output, int length){
uint8_t iiv[16] = {0};
if (iv)
memcpy(iiv, iv, 16);
aes_context aes;
aes_init(&aes);
if (aes_setkey_enc(&aes, key, 128))
return 1;
if (aes_crypt_cbc(&aes, AES_ENCRYPT, length, iiv, input, output))
return 2;
aes_free(&aes);
return 0;
}
int aes_decode(uint8_t *iv, uint8_t *key, uint8_t *input, uint8_t *output, int length){
uint8_t iiv[16] = {0};
if (iv)
memcpy(iiv, iv, 16);
aes_context aes;
aes_init(&aes);
if (aes_setkey_dec(&aes, key, 128))
return 1;
if (aes_crypt_cbc(&aes, AES_DECRYPT, length, iiv, input, output))
return 2;
aes_free(&aes);
return 0;
}
int CmdHF14AMfAuth4(const char *cmd) {
uint8_t keyn[20] = {0};
int keynlen = 0;
uint8_t key[16] = {0};
int keylen = 0;
uint8_t data[257] = {0};
int datalen = 0;
uint8_t Rnd1[17] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00};
uint8_t Rnd2[17] = {0};
CLIParserInit("hf mf auth4",
"Executes AES authentication command in ISO14443-4",
"Usage:\n\thf mf auth4 4000 000102030405060708090a0b0c0d0e0f -> executes authentication\n"
@ -3124,90 +3087,21 @@ int CmdHF14AMfAuth4(const char *cmd) {
};
CLIExecWithReturn(cmd, argtable, true);
CLIGetStrWithReturn(1, keyn, &keynlen);
CLIGetStrWithReturn(2, key, &keylen);
CLIGetHexWithReturn(1, keyn, &keynlen);
CLIGetHexWithReturn(2, key, &keylen);
CLIParserFree();
if (keynlen != 2) {
PrintAndLogEx(ERR, "<Key Num> must be 2 bytes long instead of: %d", keynlen);
PrintAndLog(ERROR, "<Key Num> must be 2 bytes long instead of: %d", keynlen);
return 1;
}
if (keylen != 16) {
PrintAndLogEx(ERR, "<Key Value> must be 16 bytes long instead of: %d", keylen);
PrintAndLog(ERROR, "<Key Value> must be 16 bytes long instead of: %d", keylen);
return 1;
}
uint8_t cmd1[] = {0x0a, 0x00, 0x70, keyn[1], keyn[0], 0x00};
int res = ExchangeRAW14a(cmd1, sizeof(cmd1), true, true, data, sizeof(data), &datalen);
if (res) {
PrintAndLog("ERROR exchande raw error: %d", res);
return 2;
}
PrintAndLog("<phase1: %s", sprint_hex(data, datalen));
if (datalen < 3) {
PrintAndLogEx(ERR, "card response length: %d", datalen);
return 3;
}
if (data[0] != 0x0a || data[1] != 0x00) {
PrintAndLogEx(ERR, "Framing error in card response. :%s", sprint_hex(data, 2));
return 3;
}
if (data[2] != 0x90) {
PrintAndLogEx(ERR, "card response error: %02x", data[2]);
return 3;
}
if (datalen != 19) {
PrintAndLogEx(ERR, "card response must be 16 bytes long instead of: %d", datalen);
return 3;
}
aes_decode(NULL, key, &data[3], Rnd2, 16);
Rnd2[16] = Rnd2[0];
PrintAndLog("Rnd2: %s", sprint_hex(Rnd2, 16));
uint8_t cmd2[35] = {0};
cmd2[0] = 0x0b;
cmd2[1] = 0x00;
cmd2[2] = 0x72;
uint8_t raw[32] = {0};
memmove(raw, Rnd1, 16);
memmove(&raw[16], &Rnd2[1], 16);
aes_encode(NULL, key, raw, &cmd2[3], 32);
PrintAndLog(">phase2: %s", sprint_hex(cmd2, 35));
res = ExchangeRAW14a(cmd2, sizeof(cmd2), false, false, data, sizeof(data), &datalen);
if (res) {
PrintAndLogEx(ERR, "exchande raw error: %d", res);
DropField();
return 4;
}
PrintAndLog("<phase2: %s", sprint_hex(data, datalen));
aes_decode(NULL, key, &data[3], raw, 32);
PrintAndLog("res: %s", sprint_hex(raw, 32));
PrintAndLog("Rnd1`: %s", sprint_hex(&raw[4], 16));
if (memcmp(&raw[4], &Rnd1[1], 16)) {
PrintAndLogEx(ERR, "\nAuthentication FAILED. rnd not equal");
PrintAndLog("rnd1 reader: %s", sprint_hex(&Rnd1[1], 16));
PrintAndLog("rnd1 card: %s", sprint_hex(&raw[4], 16));
DropField();
return 5;
}
DropField();
PrintAndLogEx(INFO, "Authentication OK");
return 0;
return MifareAuth4(NULL, keyn, key, true, false, true);
}
static command_t CommandTable[] = {