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adapt mifare plus key files to be loaded/saved in json. WIP , will need a typedef struct in order to work properly

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This commit is contained in:
iceman1001 2023-06-21 18:48:04 +02:00
commit d3792c0853
1 changed files with 40 additions and 4 deletions
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44
client/src/fileutils.c
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@ -29,6 +29,7 @@
#include "cmdhficlass.h" // pagemap
#include "protocols.h" // iclass defines
#include "cmdhftopaz.h" // TOPAZ defines
#include "cmdhfmfp.h" // MFP / AES defines
#ifdef _WIN32
#include "scandir.h"
@ -543,13 +544,14 @@ int saveFileJSONex(const char *preferredName, JSONFileType ftype, uint8_t *data,
break;
}
case jsfMfPlusKeys: {
JsonSaveStr(root, "FileType", "mfp");
JsonSaveStr(root, "FileType", "mfpkeys");
JsonSaveBufAsHexCompact(root, "$.Card.UID", &data[0], 7);
JsonSaveBufAsHexCompact(root, "$.Card.SAK", &data[10], 1);
JsonSaveBufAsHexCompact(root, "$.Card.ATQA", &data[11], 2);
uint8_t atslen = data[13];
if (atslen > 0)
if (atslen > 0) {
JsonSaveBufAsHexCompact(root, "$.Card.ATS", &data[14], atslen);
}
uint8_t vdata[2][64][17] = {{{0}}};
memcpy(vdata, data + (14 + atslen), 2 * 64 * 17);
@ -559,12 +561,12 @@ int saveFileJSONex(const char *preferredName, JSONFileType ftype, uint8_t *data,
if (vdata[0][i][0]) {
snprintf(path, sizeof(path), "$.SectorKeys.%zu.KeyA", i);
JsonSaveBufAsHexCompact(root, path, &vdata[0][i][1], 16);
JsonSaveBufAsHexCompact(root, path, &vdata[0][i][1], AES_KEY_LEN);
}
if (vdata[1][i][0]) {
snprintf(path, sizeof(path), "$.SectorKeys.%zu.KeyB", i);
JsonSaveBufAsHexCompact(root, path, &vdata[1][i][1], 16);
JsonSaveBufAsHexCompact(root, path, &vdata[1][i][1], AES_KEY_LEN);
}
}
break;
@ -1296,6 +1298,40 @@ int loadFileJSONex(const char *preferredName, void *data, size_t maxdatalen, siz
*datalen += sptr;
}
if (!strcmp(ctype, "mfpkeys")) {
JsonLoadBufAsHex(root, "$.Card.UID", udata.bytes, 7, datalen);
JsonLoadBufAsHex(root, "$.Card.SAK", udata.bytes + 10, 1, datalen);
JsonLoadBufAsHex(root, "$.Card.ATQA", udata.bytes + 11, 2, datalen);
uint8_t atslen = udata.bytes[13];
if (atslen > 0) {
JsonLoadBufAsHex(root, "$.Card.ATS", udata.bytes + 14, atslen, datalen);
}
size_t sptr = (14 + atslen);
// memcpy(vdata, udata.bytes + (14 + atslen), 2 * 64 * 17);
for (size_t i = 0; i < 64; i++) {
if ((sptr + (AES_KEY_LEN * 2)) > maxdatalen) {
break;
}
size_t offset = (14 + atslen) + (i * 2 * AES_KEY_LEN);
char blocks[40] = {0};
snprintf(blocks, sizeof(blocks), "$.SectorKeys.%zu.KeyA", i);
JsonLoadBufAsHex(root, blocks, udata.bytes + offset, AES_KEY_LEN, datalen);
snprintf(blocks, sizeof(blocks), "$.SectorKeys.%zu.KeyB", i);
JsonLoadBufAsHex(root, blocks, udata.bytes + offset + AES_KEY_LEN, AES_KEY_LEN, datalen);
sptr += (2 * AES_KEY_LEN);
}
*datalen += sptr;
}
out:
if (callback != NULL) {