+//
+// Mifare Ultralight C - Set password
+//
+int CmdHF14AMfucSetPwd(const char *Cmd){
+
+ uint8_t pwd[16] = {0x00};
+
+ char cmdp = param_getchar(Cmd, 0);
+
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
+ PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
+ PrintAndLog(" [password] - (32 hex symbols)");
+ PrintAndLog("");
+ PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
+ PrintAndLog("");
+ return 0;
+ }
+
+ if (param_gethex(Cmd, 0, pwd, 32)) {
+ PrintAndLog("Password must include 32 HEX symbols");
+ return 1;
+ }
+
+ UsbCommand c = {CMD_MIFAREUC_SETPWD};
+ memcpy( c.d.asBytes, pwd, 16);
+ SendCommand(&c);
+
+ UsbCommand resp;
+
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
+ if ( (resp.arg[0] & 0xff) == 1)
+ PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
+ else{
+ PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
+ return 1;
+ }
+ }
+ else {
+ PrintAndLog("command execution time out");
+ return 1;
+ }
+
+ return 0;
+}
+
+//
+// Mifare Ultraligh - Set UID
+//
+int CmdHF14AMfucSetUid(const char *Cmd){
+
+ UsbCommand c;
+ UsbCommand resp;
+ uint8_t uid[7] = {0x00};
+ char cmdp = param_getchar(Cmd, 0);
+
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
+ PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
+ PrintAndLog(" [uid] - (14 hex symbols)");
+ PrintAndLog("\nThis only works for Magic Ultralight tags.");
+ PrintAndLog("");
+ PrintAndLog("sample: hf mfu setuid 11223344556677");
+ PrintAndLog("");
+ return 0;
+ }
+
+ if (param_gethex(Cmd, 0, uid, 14)) {
+ PrintAndLog("UID must include 14 HEX symbols");
+ return 1;
+ }
+
+ // read block2.
+ c.cmd = CMD_MIFAREU_READBL;
+ c.arg[0] = 2;
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ PrintAndLog("Command execute timeout");
+ return 2;
+ }
+
+ // save old block2.
+ uint8_t oldblock2[4] = {0x00};
+ memcpy(resp.d.asBytes, oldblock2, 4);
+
+ // block 0.
+ c.cmd = CMD_MIFAREU_WRITEBL;
+ c.arg[0] = 0;
+ c.d.asBytes[0] = uid[0];
+ c.d.asBytes[1] = uid[1];
+ c.d.asBytes[2] = uid[2];
+ c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ PrintAndLog("Command execute timeout");
+ return 3;
+ }
+
+ // block 1.
+ c.arg[0] = 1;
+ c.d.asBytes[0] = uid[3];
+ c.d.asBytes[1] = uid[4];
+ c.d.asBytes[2] = uid[5];
+ c.d.asBytes[3] = uid[6];
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
+ PrintAndLog("Command execute timeout");
+ return 4;
+ }
+
+ // block 2.
+ c.arg[0] = 2;
+ c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
+ c.d.asBytes[1] = oldblock2[1];
+ c.d.asBytes[2] = oldblock2[2];
+ c.d.asBytes[3] = oldblock2[3];
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
+ PrintAndLog("Command execute timeout");
+ return 5;
+ }
+
+ return 0;
+}
+
+int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
+
+ uint8_t iv[8] = { 0x00 };
+ uint8_t block = 0x07;
+
+ // UL-EV1
+ //04 57 b6 e2 05 3f 80 UID
+ //4a f8 4b 19 PWD
+ uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
+ 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, mifarekeyA, 4);
+
+ 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
+ , 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(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;
+}
+
+// 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];
+ // }
+ // return key;
+// }
+
+// static void GenerateUIDe( uint8_t *uid, uint8_t len){
+ // for (int i=0; i<len; ++i){
+
+ // }
+ // return;
+// }
+
projects / proxmark3-svn / commitdiff