uint8_t block = 0x07;
uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
- uint8_t mifarekey[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
+ uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
+ uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
+ uint8_t dkeyA[8] = { 0x00 };
+ uint8_t dkeyB[8] = { 0x00 };
+
uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
uint8_t mix[8] = { 0x00 };
uint8_t divkey[8] = { 0x00 };
- memcpy(mix, mifarekey, 4);
+ memcpy(mix, mifarekeyA, 4);
- mix[4] = mifarekey[4] ^ uid[0];
- mix[5] = mifarekey[5] ^ uid[1];
+ mix[4] = mifarekeyA[4] ^ uid[0];
+ mix[5] = mifarekeyA[5] ^ uid[1];
mix[6] = block ^ uid[2];
mix[7] = uid[3];
PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
PrintAndLog("Sector :\t %0d", block);
- PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekey, sizeof(mifarekey)));
+ PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
+ PrintAndLog("\n DES version");
+
+ for (int i=0; i < sizeof(mifarekeyA); ++i){
+ dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
+ dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
+ }
+
+ for (int i=0; i < sizeof(mifarekeyB); ++i){
+ dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
+ dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
+ }
+
+ uint8_t zeros[8] = {0x00};
+ uint8_t newpwd[8] = {0x00};
+ uint8_t dmkey[24] = {0x00};
+ memcpy(dmkey, dkeyA, 8);
+ memcpy(dmkey+8, dkeyB, 8);
+ memcpy(dmkey+16, dkeyA, 8);
+ memset(iv, 0x00, 8);
+
+ des3_set3key_enc(&ctx, dmkey);
+
+ des3_crypt_cbc(&ctx // des3_context
+ , DES_ENCRYPT // int mode
+ , sizeof(newpwd) // length
+ , iv // iv[8]
+ , zeros // input
+ , newpwd // output
+ );
+
+ PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
+ PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
+ PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
+ PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
+
return 0;
}
-// uint8_t * diversify_key(uint8_t * key){
+// static uint8_t * diversify_key(uint8_t * key){
+
// for(int i=0; i<16; i++){
// if(i<=6) key[i]^=cuid[i];
// if(i>6) key[i]^=cuid[i%7];