return (uint32_t)bytes_to_num(pwd, 4);
}
+// Certain pwd generation algo nickname C.
+uint32_t ul_ev1_pwdgenC(uint8_t* uid){
+ uint32_t pwd = 0;
+ uint8_t base[] = {
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x28,
+ 0x63, 0x29, 0x20, 0x43, 0x6f, 0x70, 0x79, 0x72,
+ 0x69, 0x67, 0x68, 0x74, 0x20, 0x4c, 0x45, 0x47,
+ 0x4f, 0x20, 0x32, 0x30, 0x31, 0x34, 0xaa, 0xaa
+ };
+
+ memcpy(base, uid, 7);
+
+ for (int i = 0; i < 32; i += 4) {
+ uint32_t b = *(uint32_t *)(base + i);
+ pwd = b + ROTR(pwd, 25) + ROTR(pwd, 10) - pwd;
+ }
+ return BSWAP_32(pwd);
+}
+
+// pack generation for algo 1-3
+uint16_t ul_ev1_packgenA(uint8_t* uid){
+ uint16_t pack = (uid[0] ^ uid[1] ^ uid[2]) << 8 | (uid[2] ^ 8);
+ return pack;
+}
+uint16_t ul_ev1_packgenB(uint8_t* uid){
+ return 0x8080;
+}
+uint16_t ul_ev1_packgenC(uint8_t* uid){
+ return 0xaa55;
+}
+
+
void ul_ev1_pwdgen_selftest(){
uint8_t uid1[] = {0x04,0x11,0x12,0x11,0x12,0x11,0x10};
uint8_t uid2[] = {0x04,0x1f,0x98,0xea,0x1e,0x3e,0x81};
uint32_t pwd2 = ul_ev1_pwdgenB(uid2);
PrintAndLog("UID | %s | %08X | %s", sprint_hex(uid2,7), pwd2, (pwd2 == 0x5fd37eca)?"OK":"->5fd37eca<--");
+
+ uint8_t uid3[] = {0x04,0x62, 0xB6, 0x8A, 0xB4, 0x42, 0x80};
+ uint32_t pwd3 = ul_ev1_pwdgenC(uid3);
+ PrintAndLog("UID | %s | %08X | %s", sprint_hex(uid3,7), pwd3, (pwd3 == 0x5a349515)?"OK":"->5a349515<--");
return;
}
PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
}
if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
+
+ // test pwd gen C
+ num_to_bytes( ul_ev1_pwdgenC(card.uid), 4, key);
+ len = ulev1_requestAuthentication(key, pack, sizeof(pack));
+ if (len >= 1) {
+ PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
+ }
+ if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
for (uint8_t i = 0; i < KEYS_PWD_COUNT; ++i ) {
key = default_pwd_pack[i];
return 0;
}
+int usage_hf_mfu_pwdgen(void){
+ PrintAndLog("Usage: hf mfu pwdgen <uid (14 hex symbols)>");
+ PrintAndLog("");
+ PrintAndLog("sample: hf mfu pwdgen 11223344556677");
+ PrintAndLog("");
+ return 0;
+}
+
#define DUMP_PREFIX_LENGTH 48
//
// Mifare Ultralight / Ultralight-C / Ultralight-EV1
//Validations
if(errors) return usage_hf_mfu_dump();
+ //if we entered a key in little endian and set the swapEndian switch - switch it...
if (swapEndian && hasAuthKey)
authKeyPtr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4);
}
}
- // add keys to block dump
- if (hasAuthKey) {
- if (tagtype & UL_C){ //add 4 pages
- memcpy(data + Pages*4, authKeyPtr, dataLen);
- Pages += dataLen/4;
- } else { // 2nd page from end
- memcpy(data + (Pages*4) - 8, authenticationkey, dataLen);
- }
- }
-
uint8_t get_pack[] = {0,0};
iso14a_card_select_t card;
- //attempt to read pack
- if (!ul_auth_select( &card, tagtype, hasAuthKey, authKeyPtr, get_pack, sizeof(get_pack))) {
- //reset pack
- get_pack[0]=0;
- get_pack[1]=0;
- }
- ul_switch_off_field();
- // add pack to block read
- memcpy(data + (Pages*4) - 4, get_pack, sizeof(get_pack));
-
uint8_t dump_file_data[1024+DUMP_PREFIX_LENGTH] = {0x00};
uint8_t get_version[] = {0,0,0,0,0,0,0,0,0};
uint8_t get_tearing[] = {0,0,0};
uint8_t get_signature[32];
memset( get_signature, 0, sizeof(get_signature) );
+ // not ul_c and not std ul then attempt to get deeper info
+ if (!(tagtype & UL_C || tagtype & UL)) {
+ //attempt to read pack
+ if (!ul_auth_select( &card, tagtype, true, authKeyPtr, get_pack, sizeof(get_pack))) {
+ //reset pack
+ get_pack[0]=0;
+ get_pack[1]=0;
+ }
+ ul_switch_off_field();
+ // add pack to block read
+ memcpy(data + (Pages*4) - 4, get_pack, sizeof(get_pack));
if ( hasAuthKey )
ul_auth_select( &card, tagtype, hasAuthKey, authKeyPtr, dummy_pack, sizeof(dummy_pack));
else
ul_select(&card);
ulev1_readSignature( get_signature, sizeof(get_signature));
ul_switch_off_field();
+ }
+
+ // format and add keys to block dump output
+ if (hasAuthKey) {
+ // if we didn't swapendian before - do it now for the sprint_hex call
+ // NOTE: default entry is bigendian (unless swapped), sprint_hex outputs little endian
+ // need to swap to keep it the same
+ if (!swapEndian){
+ authKeyPtr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4);
+ } else {
+ authKeyPtr = authenticationkey;
+ }
+
+ if (tagtype & UL_C){ //add 4 pages
+ memcpy(data + Pages*4, authKeyPtr, dataLen);
+ Pages += dataLen/4;
+ } else { // 2nd page from end
+ memcpy(data + (Pages*4) - 8, authenticationkey, dataLen);
+ }
+ }
+
+ //add *special* blocks to dump
//get version
memcpy(dump_file_data, get_version, sizeof(get_version));
//tearing
memcpy(dump_file_data+13, get_pack, sizeof(get_pack));
//signature
memcpy(dump_file_data+16, get_signature, sizeof(get_signature));
- //block read data
+ //add regular block read data to dump
memcpy(dump_file_data+DUMP_PREFIX_LENGTH, data, Pages*4);
+ PrintAndLog("\n*Special* block data:");
PrintAndLog("\nDataType| Data | | Ascii");
PrintAndLog("---------------------------------");
PrintAndLog("GetVer-1| %s| | %.4s", sprint_hex(dump_file_data, 4), dump_file_data);
PrintAndLog("Sig-6 | %s| | %.4s", sprint_hex(dump_file_data+36, 4), dump_file_data+36);
PrintAndLog("Sig-7 | %s| | %.4s", sprint_hex(dump_file_data+40, 4), dump_file_data+40);
PrintAndLog("Sig-8 | %s| | %.4s", sprint_hex(dump_file_data+44, 4), dump_file_data+44);
-
PrintAndLog("\nBlock# | Data |lck| Ascii");
PrintAndLog("---------------------------------");
for (i = 0; i < Pages; ++i) {
if ( i < 3 ) {
- PrintAndLog("%02d/0x%02X | %s| | ", i+startPage, i+startPage, sprint_hex(data + i * 4, 4));
+ PrintAndLog("%02d/0x%02X | %s| | %.4s", i+startPage, i+startPage, sprint_hex(data + i * 4, 4), data + i * 4 );
continue;
}
switch(i){
return 1;
}
fwrite( dump_file_data, 1, Pages*4 + DUMP_PREFIX_LENGTH, fout );
- fclose(fout);
-
+ if (fout) {
+ fclose(fout);
+ fout = NULL;
+ }
PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages+(DUMP_PREFIX_LENGTH/4), Pages*4 + DUMP_PREFIX_LENGTH, filename);
return 0;
}
//Change key to user defined one
if (cmdp == 'k' || cmdp == 'K'){
keyNo = param_get8(Cmd, 1);
- if(keyNo > KEYS_3DES_COUNT)
+ if(keyNo >= KEYS_3DES_COUNT)
errors = true;
}
UsbCommand resp;
uint8_t uid[7] = {0x00};
char cmdp = param_getchar(Cmd, 0);
+
if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_hf_mfu_ucsetuid();
if (param_gethex(Cmd, 0, uid, 14)) {
int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
uint8_t uid[4];
-
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_hf_mfu_gendiverse();
return CmdHF14ASim(Cmd);
}
+int CmdHF14AMfuPwdGen(const char *Cmd){
+ uint8_t uid[7] = {0x00};
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_hf_mfu_pwdgen();
+
+ if (param_gethex(Cmd, 0, uid, 14)) return usage_hf_mfu_pwdgen();
+
+ PrintAndLog(" algo | pwd | pack");
+ PrintAndLog("------+----------+-----");
+ PrintAndLog(" EV1 | %08X | %04X", ul_ev1_pwdgenA(uid), ul_ev1_packgenA(uid));
+ PrintAndLog(" Ami | %08X | %04X", ul_ev1_pwdgenB(uid), ul_ev1_packgenB(uid));
+ PrintAndLog(" LD | %08X | %04X", ul_ev1_pwdgenC(uid), ul_ev1_packgenC(uid));
+ return 0;
+}
//------------------------------------
// Menu Stuff
//------------------------------------
{"setuid", CmdHF14AMfucSetUid, 0, "Set UID - MAGIC tags only"},
{"sim", CmdHF14AMfUSim, 0, "Simulate Ultralight from emulator memory"},
{"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
+ {"pwdgen", CmdHF14AMfuPwdGen, 1, "Generate pwd from known algos"},
{NULL, NULL, 0, NULL}
};
int CmdHFMFUltra(const char *Cmd){
- WaitForResponseTimeout(CMD_ACK,NULL,100);
+ clearCommandBuffer();
+ //WaitForResponseTimeout(CMD_ACK,NULL,100);
CmdsParse(CommandTable, Cmd);
return 0;
}
projects / proxmark3-svn / blobdiff