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https://github.com/RfidResearchGroup/proxmark3.git
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parse the hf ksx6924 init response
This commit is contained in:
Geonyeob Kim
parent
0890884cd5
commit
878d123a78
6 changed files with 155 additions and 59 deletions
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@ -245,9 +245,9 @@ static int CmdHFKSX6924Select(const char *Cmd) {
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static int CmdHFKSX6924Initialize(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "hf ksx6924 initialize",
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"Perform transaction initialization (mpda)",
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"hf ksx6924 initialize 000003e8 -> mpda\n");
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CLIParserInit(&ctx, "hf ksx6924 init",
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"Perform transaction initialization with Mpda (Money of Purchase Transaction)",
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"hf ksx6924 init 000003e8 -> Mpda\n");
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void *argtable[] = {
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arg_param_begin,
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@ -278,15 +278,23 @@ static int CmdHFKSX6924Initialize(const char *Cmd) {
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goto end;
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}
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PrintAndLogEx(SUCCESS, "Initialize Card : Mpda -> %02X %02X %02X %02X", data[0], data[1], data[2], data[3]);
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uint8_t response[25] = {0};
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if (KSX6924InitializeCard(data[0], data[1], data[2], data[3], response)) {
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PrintAndLogEx(SUCCESS, "Response : %s", sprint_hex(response, sizeof(response)));
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} else {
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PrintAndLogEx(FAILED, "Initialize Card Error");
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uint8_t resp[APDU_RES_LEN] = {0};
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size_t resp_len = 0;
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if (KSX6924InitializeCard(data[0], data[1], data[2], data[3], resp, &resp_len) == false) {
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goto end;
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}
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uint8_t *r = resp;
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struct ksx6924_initialize_card_response initCardResponse;
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bool ret = KSX6924ParseInitializeCardResponse(r, resp_len, &initCardResponse);
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if (!ret) {
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PrintAndLogEx(FAILED, "Error parsing KS X 6924 initialize card response");
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goto end;
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}
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KSX6924PrintInitializeCardResponse(&initCardResponse);
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end:
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if (keep == false) {
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DropField();
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@ -348,11 +356,11 @@ end:
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static command_t CommandTable[] = {
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{"help", CmdHelp, AlwaysAvailable, "This help"},
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{"balance", CmdHFKSX6924Balance, IfPm3Iso14443a, "Get current purse balance"},
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{"info", CmdHFKSX6924Info, IfPm3Iso14443a, "Get info about a KS X 6924 (T-Money, Snapper+) transit card"},
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{"initialize", CmdHFKSX6924Initialize, IfPm3Iso14443a, "Perform transaction initialization (Mpda)"},
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{"prec", CmdHFKSX6924PRec, IfPm3Iso14443a, "Send proprietary get record command (CLA=90, INS=4C)"},
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{"select", CmdHFKSX6924Select, IfPm3Iso14443a, "Select application, and leave field up"},
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{"info", CmdHFKSX6924Info, IfPm3Iso14443a, "Get info about a KS X 6924 (T-Money, Snapper+) transit card"},
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{"balance", CmdHFKSX6924Balance, IfPm3Iso14443a, "Get current purse balance"},
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{"init", CmdHFKSX6924Initialize, IfPm3Iso14443a, "Perform transaction initialization with Mpda"},
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{"prec", CmdHFKSX6924PRec, IfPm3Iso14443a, "Send proprietary get record command (CLA=90, INS=4C)"},
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{NULL, NULL, NULL, NULL}
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};
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@ -66,6 +66,16 @@ typedef struct {
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uint8_t rfu[8];
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} PACKED _ksx6924_internal_purse_info_t;
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typedef struct {
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uint8_t ALGep;
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uint8_t VKep;
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uint8_t BALep[4]; // uint32_t big-endian
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uint8_t IDcenter;
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uint8_t IDep[8]; // bcd
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uint8_t NTep[4];
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uint8_t Sign1[4];
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} PACKED _ksx6924_initialize_card_response_t;
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// Declares a structure for simple enums.
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#define MAKE_ENUM_TYPE(KEY_TYPE) \
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struct _ksx6924_enum_ ## KEY_TYPE { \
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@ -446,7 +456,7 @@ bool KSX6924GetBalance(uint32_t *result) {
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/**
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* Perform transaction initialization.
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*/
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bool KSX6924InitializeCard(uint8_t mpda1, uint8_t mpda2, uint8_t mpda3, uint8_t mpda4, uint8_t *result) {
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bool KSX6924InitializeCard(uint8_t mpda1, uint8_t mpda2, uint8_t mpda3, uint8_t mpda4, uint8_t *result, size_t *result_len) {
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if (result == NULL) {
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return false;
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@ -472,9 +482,68 @@ bool KSX6924InitializeCard(uint8_t mpda1, uint8_t mpda2, uint8_t mpda3, uint8_t
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//*result = ntohl(*(uint32_t*)(arr));
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memcpy(result, arr, rlen + 2); // skip 2 sw bytes
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memcpy(result_len, &rlen, sizeof(size_t));
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return true;
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}
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/**
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* Parses Initialize Card response
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*/
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bool KSX6924ParseInitializeCardResponse(const uint8_t *initCardResponse, size_t resp_len, struct ksx6924_initialize_card_response *ret) {
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memset(ret, 0, sizeof(struct ksx6924_initialize_card_response));
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if (resp_len != sizeof(_ksx6924_initialize_card_response_t)) {
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// Invalid size!
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PrintAndLogEx(FAILED, "Expected %ld bytes, got %ld\n", sizeof(_ksx6924_initialize_card_response_t), resp_len);
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return false;
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}
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const _ksx6924_initialize_card_response_t *internalInitCardResponse = (const _ksx6924_initialize_card_response_t *)initCardResponse;
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// Simple copies
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ret->ALGep = internalInitCardResponse->ALGep;
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ret->VKep = internalInitCardResponse->VKep;
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ret->IDcenter = internalInitCardResponse->IDcenter;
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// Fields that need rewriting
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hex_to_buffer(ret->IDep, internalInitCardResponse->IDep,
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sizeof(internalInitCardResponse->IDep),
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sizeof(ret->IDep) - 1,
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0, // min_str_len
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0, // spaces_between
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false // uppercase
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);
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ret->BALep = MemBeToUint4byte((uint8_t *)internalInitCardResponse->BALep);
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ret->NTep = MemBeToUint4byte((uint8_t *)internalInitCardResponse->NTep);
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memcpy(&ret->Sign1, &internalInitCardResponse->Sign1, 4);
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// TODO
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return true;
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};
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/**
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* Prints out a Initialize Card response
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*/
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void KSX6924PrintInitializeCardResponse(const struct ksx6924_initialize_card_response *response) {
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if (response == NULL) {
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return;
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}
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PrintAndLogEx(INFO, "--- " _CYAN_("KS X 6924 Initialize Card Response") " ---------------------------");
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PrintAndLogEx(INFO, "");
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PrintAndLogEx(INFO, " ALGep (Algorithm Identifier)........ %02x ( %s )", response->ALGep, KSX6924LookupAlg(response->ALGep, KSX6924_UNKNOWN));
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PrintAndLogEx(INFO, " VKep (Version of Key) .............. %02x", response->VKep);
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PrintAndLogEx(INFO, " BALep (Balance...................... %" PRIu32, response->BALep);
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PrintAndLogEx(INFO, " IDcenter (Issuer ID) ............... %02x ( %s )", response->IDcenter, KSX6924LookupTMoneyIDCenter(response->IDcenter, KSX6924_UNKNOWN));
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PrintAndLogEx(INFO, " IDep (Card number) ................. %s", response->IDep);
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PrintAndLogEx(INFO, " NTep (Number of Transaction + 1) ... %" PRIu32, response->NTep);
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PrintAndLogEx(INFO, " Sign1 .............................. %s", sprint_hex(response->Sign1, sizeof(response->Sign1)));
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PrintAndLogEx(INFO, "");
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}
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/**
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* Issues a proprietary "get record" command (CLA=90, INS=4C).
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@ -53,6 +53,18 @@ struct ksx6924_purse_info {
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uint8_t rfu[8];
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};
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// Convenience structure for representing purse information. Actual on-card
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// format is in _ksx6924_initialize_card_response_t.
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struct ksx6924_initialize_card_response {
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uint8_t ALGep;
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uint8_t VKep;
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uint32_t BALep;
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uint8_t IDcenter;
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uint8_t IDep[17]; // hex digits + null terminator
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uint32_t NTep;
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uint8_t Sign1[4];
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};
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// Get card type description
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const char *KSX6924LookupCardType(uint8_t key, const char *defaultValue);
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@ -94,7 +106,13 @@ bool KSX6924TrySelect(void);
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bool KSX6924GetBalance(uint32_t *result);
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// Perform transaction initialization.
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bool KSX6924InitializeCard(uint8_t mpda1, uint8_t mpda2, uint8_t mpda3, uint8_t mpda4, uint8_t *result);
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bool KSX6924InitializeCard(uint8_t mpda1, uint8_t mpda2, uint8_t mpda3, uint8_t mpda4, uint8_t *result, size_t *result_len);
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// Parses Initialize Card response
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bool KSX6924ParseInitializeCardResponse(const uint8_t *initCardResponse, size_t resp_len, struct ksx6924_initialize_card_response *ret);
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// Prints out a Initialize Card response
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void KSX6924PrintInitializeCardResponse(const struct ksx6924_initialize_card_response *response);
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// Proprietary get record command. Function unknown.
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// result must be 10 bytes long.
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@ -244,11 +244,11 @@ const static vocabulory_t vocabulory[] = {
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{ 1, "hf gallagher diversifykey" },
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{ 1, "hf gallagher decode" },
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{ 1, "hf ksx6924 help" },
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{ 0, "hf ksx6924 balance" },
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{ 0, "hf ksx6924 info" },
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{ 0, "hf ksx6924 initialize" },
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{ 0, "hf ksx6924 prec" },
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{ 0, "hf ksx6924 select" },
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{ 0, "hf ksx6924 info" },
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{ 0, "hf ksx6924 balance" },
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{ 0, "hf ksx6924 init" },
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{ 0, "hf ksx6924 prec" },
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{ 1, "hf jooki help" },
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{ 0, "hf jooki clone" },
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{ 1, "hf jooki decode" },
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@ -3390,20 +3390,6 @@
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],
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"usage": "hf jooki sim [-h] [-b <base64>]"
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},
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"hf ksx6924 balance": {
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"command": "hf ksx6924 balance",
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"description": "Gets the current purse balance",
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"notes": [
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"hf ksx6924 balance"
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],
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"offline": false,
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"options": [
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"-h, --help This help",
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"-k, --keep keep field ON for next command",
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"-a, --apdu show APDU reqests and responses"
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],
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"usage": "hf ksx6924 balance [-hka]"
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},
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"hf ksx6924 help": {
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"command": "hf ksx6924 help",
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"description": "help This help",
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@ -3412,6 +3398,19 @@
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"options": [],
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"usage": ""
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},
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"hf ksx6924 select": {
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"command": "hf ksx6924 select",
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"description": "Selects KS X 6924 application, and leaves field up",
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"notes": [
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"hf ksx6924 select"
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],
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"offline": false,
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"options": [
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"-h, --help This help",
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"-a, --apdu Show APDU requests and responses"
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],
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"usage": "hf ksx6924 select [-ha]"
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},
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"hf ksx6924 info": {
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"command": "hf ksx6924 info",
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"description": "Get info about a KS X 6924 transit card. This application is used by T-Money (South Korea) and Snapper+ (Wellington, New Zealand).",
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@ -3422,23 +3421,37 @@
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"options": [
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"-h, --help This help",
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"-k, --keep keep field ON for next command",
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"-a, --apdu show APDU reqests and responses"
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"-a, --apdu Show APDU requests and responses"
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],
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"usage": "hf ksx6924 info [-hka]"
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},
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"hf ksx6924 initialize": {
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"command": "hf ksx6924 initialize",
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"description": "Perform transaction initialization (mpda)",
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"hf ksx6924 balance": {
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"command": "hf ksx6924 balance",
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"description": "Gets the current purse balance",
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"notes": [
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"hf ksx6924 initialize 000003e8 -> mpda"
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"hf ksx6924 balance"
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],
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"offline": false,
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"options": [
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"-h, --help This help",
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"-k, --keep keep field ON for next command",
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"-a, --apdu show APDU reqests and responses"
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"-a, --apdu Show APDU requests and responses"
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],
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"usage": "hf ksx6924 initialize [-hka] <mpda 4byte hex>"
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"usage": "hf ksx6924 balance [-hka]"
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},
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"hf ksx6924 init": {
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"command": "hf ksx6924 init",
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"description": "Perform transaction initialization (mpda)",
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"notes": [
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"hf ksx6924 init 000003e8 -> Mpda"
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],
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"offline": false,
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"options": [
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"-h, --help This help",
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"-k, --keep keep field ON for next command",
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"-a, --apdu Show APDU requests and responses"
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],
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"usage": "hf ksx6924 init [-hka] <Mpda 4 bytes hex>"
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},
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"hf ksx6924 prec": {
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"command": "hf ksx6924 prec",
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@ -3450,23 +3463,11 @@
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"options": [
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"-h, --help This help",
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"-k, --keep keep field ON for next command",
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"-a, --apdu show APDU reqests and responses"
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"-a, --apdu Show APDU requests and responses"
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],
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"usage": "hf ksx6924 prec [-hka] <record 1byte HEX>"
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},
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"hf ksx6924 select": {
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"command": "hf ksx6924 select",
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"description": "Selects KS X 6924 application, and leaves field up",
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"notes": [
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"hf ksx6924 select"
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],
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"offline": false,
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"options": [
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"-h, --help This help",
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"-a, --apdu show APDU reqests and responses"
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],
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"usage": "hf ksx6924 select [-ha]"
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},
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"hf legic crc": {
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"command": "hf legic crc",
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"description": "Calculates the legic crc8/crc16 on the given data",
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@ -367,11 +367,11 @@ Check column "offline" for their availability.
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|command |offline |description
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|------- |------- |-----------
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|`hf ksx6924 help `|Y |`This help`
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|`hf ksx6924 balance `|N |`Get current purse balance`
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|`hf ksx6924 info `|N |`Get info about a KS X 6924 (T-Money, Snapper+) transit card`
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|`hf ksx6924 initialize `|N |`Perform transaction initialization (Mpda)`
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|`hf ksx6924 prec `|N |`Send proprietary get record command (CLA=90, INS=4C)`
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|`hf ksx6924 select `|N |`Select application, and leave field up`
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|`hf ksx6924 info `|N |`Get info about a KS X 6924 (T-Money, Snapper+) transit card`
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|`hf ksx6924 balance `|N |`Get current purse balance`
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|`hf ksx6924 init `|N |`Perform transaction initialization with Mpda (Money of Purchase Transaction)`
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|`hf ksx6924 prec `|N |`Send proprietary get record command (CLA=90, INS=4C)`
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### hf jooki
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