X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/02d352fea75385d80b49a7ab8703692ae307f073..11b1e2e506dec11aba29116e2fb926b497b6d87b:/client/cmdhfmfu.c diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c index 9bccc420..9a6983ff 100644 --- a/client/cmdhfmfu.c +++ b/client/cmdhfmfu.c @@ -840,42 +840,82 @@ int CmdHF14AMfuGenDiverseKeys(const char *Cmd){ 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]; des3_context ctx = { 0x00 }; des3_set2key_enc(&ctx, masterkey); - des3_crypt_cbc(&ctx // des3_context *ctx - , DES_ENCRYPT // int mode - , sizeof(mix) // size_t length - , iv // unsigned char iv[8] - , mix // const unsigned char *input - , divkey // unsigned char *output + des3_crypt_cbc(&ctx // des3_context + , DES_ENCRYPT // int mode + , sizeof(mix) // length + , iv // iv[8] + , mix // input + , divkey // output ); PrintAndLog("3DES version"); 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];